阅读说明：本技术 透镜光栅的制作方法 (Method for manufacturing lenticular grating ) 是由 刁鸿浩 黄玲溪 于 2020-05-22 设计创作，主要内容包括：本申请涉及显示技术领域,公开了一种透镜光栅的制作方法,包括：提供基板；在基板上形成至少一个遮光结构以及至少两个透镜,使得遮光结构对应于至少两个透镜中相邻透镜的交界区域；遮光结构能够有效减少或消除两个透镜交界处产生的杂散光,从而有效提高该区域投射的图像质量。(The application relates to the technical field of display, and discloses a method for manufacturing a lenticular lens, which comprises the following steps: providing a substrate; forming at least one light shielding structure and at least two lenses on the substrate, so that the light shielding structure corresponds to a boundary area of adjacent lenses in the at least two lenses; the shading structure can effectively reduce or eliminate stray light generated at the junction of the two lenses, thereby effectively improving the image quality projected by the area.)

1. A method for manufacturing a lenticular lens, comprising:

providing a substrate;

at least one light shielding structure and at least two lenses are formed on the substrate, so that the light shielding structure corresponds to a boundary area of adjacent lenses of the at least two lenses.

2. The method of claim 1, wherein the substrate is a monolithic substrate.

3. The method of claim 2, wherein forming at least one light shielding structure and at least two lenses on the substrate comprises:

forming the at least two lenses on one surface of the substrate;

forming the at least one light shielding structure on the substrate.

4. The method of claim 3, wherein forming the at least one light blocking structure on the substrate comprises:

arranging an opening on the substrate corresponding to a boundary area of adjacent lenses of the at least two lenses;

and filling a light shielding material in the opening to form the light shielding structure.

5. The method of claim 4, wherein providing an opening on the substrate corresponding to an interface region between adjacent lenses of the at least two lenses comprises:

and an opening is arranged on the substrate along the thickness direction of the substrate, corresponding to the boundary area of the adjacent lens in the at least two lenses.

6. The method of claim 5, wherein providing an opening in a thickness direction of the substrate comprises:

and forming an opening from one surface of the substrate, which faces away from the at least two lenses, so that the opening extends into the corresponding lens, or extends into the substrate, or penetrates through the substrate.

7. The method for manufacturing a lenticular lens according to claim 6, wherein the filling of the openings with a light shielding material comprises:

completely filling the opening with a light shielding material; alternatively, the first and second electrodes may be,

a light shielding material is partially filled in the opening.

8. The method for manufacturing a lenticular lens according to claim 7, further comprising, after the opening is partially filled with a light shielding material:

and filling a material on the surface of the light shielding material.

9. The method of claim 2, wherein forming at least one light shielding structure and at least two lenses on the substrate comprises:

forming the at least one light shielding structure on the substrate;

and forming the at least two lenses on one surface of the substrate.

10. The method of claim 9, wherein forming the at least one light blocking structure on the substrate comprises:

arranging an opening at a preset position of the substrate;

and filling a light shielding material in the opening to form the light shielding structure.

11. The method of claim 10, wherein the disposing an opening at a predetermined position on the substrate comprises:

an opening is provided from one surface of the substrate in a thickness direction of the substrate, and the opening extends to the other surface of the substrate or into the substrate.

12. The method of claim 11, wherein the filling of the openings with a light-shielding material comprises:

completely filling the opening with a light shielding material; alternatively, the first and second electrodes may be,

a light shielding material is partially filled in the opening.

13. The method for manufacturing a lenticular lens according to claim 12, further comprising, after the opening is partially filled with a light shielding material:

and filling a material on the surface of the light shielding material.

14. The method of any one of claims 10 to 13, wherein forming the at least two lenses on one side of the substrate comprises:

and forming the at least two lenses on any surface of the substrate.

15. The method for manufacturing a lenticular lens according to claim 12, further comprising, after the opening is completely filled with the light shielding material:

and forming a light shielding material on one surface of the substrate close to the opening end of the opening corresponding to the opening area, so that the formed light shielding structure part protrudes out of the surface of the substrate.

16. The method of claim 9, wherein forming the at least one light blocking structure on the substrate comprises:

and forming a shading structure on one surface of the substrate, wherein the shading structure completely protrudes out of the surface of the substrate.

17. The method of claim 15 or 16, wherein forming the at least two lenses on one side of the substrate comprises:

and arranging the at least two lenses on one surface of the substrate, which protrudes out of the light shielding structure, so that the protruding part of the light shielding structure corresponds to the boundary area of the adjacent lens in the at least two lenses.

18. The method of claim 1, wherein the substrate is a partial substrate:

forming at least one light shielding structure on the substrate, comprising:

forming a light shielding structure on one surface of the partial substrate;

and laying a substrate material on one surface of the partial substrate on which the light shielding structure is formed.

19. The method of claim 3 or 9, wherein the at least two lenses are formed to include at least one of a concave lens and a convex lens.

20. The method of claim 19, wherein the at least two lenses are formed to include at least one of cylindrical lenses and spherical lenses.

21. The method of claim 20, wherein the at least two lenses comprise cylindrical lenses;

forming the at least two lenses on the substrate includes:

and distributing part or all of the cylindrical lenses on the substrate in parallel.

22. The method of claim 20, wherein the at least two lenses comprise spherical lenses;

forming the at least two lenses on the substrate includes:

and arranging part or all of the spherical lenses on the substrate in an array.

Technical Field

The present application relates to the field of 3D display technologies, and for example, to a method for manufacturing lenticular lenses.

Background

At present, the lenticular lens is widely applied to 3D displays, and 3D displays based on the lenticular lens can obtain a 3D viewing effect without glasses.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: due to the precision limitation of the manufacturing process, the surfaces of the lenses cannot be absolutely smooth, particularly, a distorted groove is easily formed at the junction of the two lenses, when light rays of the sub-pixels pass through a distorted area, the transmitted light rays cannot be controlled, stray light can be generated, left-eye and right-eye image crosstalk is caused, and the image quality projected by the area is reduced.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a method for manufacturing a lenticular lens grating, so as to solve the technical problem of image crosstalk caused by a distortion area between two lenses in the lenticular lens grating.

In some embodiments, there is provided a method for manufacturing a lenticular sheet, comprising:

providing a substrate;

at least one light shielding structure and at least two lenses are formed on the substrate, so that the light shielding structure corresponds to a boundary area of adjacent lenses in the at least two lenses.

In some embodiments, the substrate may be a monolithic substrate.

In some embodiments, forming at least one light shielding structure and at least two lenses on a substrate may include:

forming at least two lenses on one surface of the substrate;

and forming the at least one light shielding structure on the substrate.

In some embodiments, forming at least one light blocking structure on the substrate may include:

arranging an opening on the substrate corresponding to the boundary area of the adjacent lens in the at least two lenses;

and filling the light shielding material in the opening to form a light shielding structure.

In some embodiments, providing an opening on the substrate corresponding to an interface region of an adjacent lens of the at least two lenses may include:

an opening is arranged on the substrate along the thickness direction of the substrate corresponding to the boundary area of the adjacent lens in the at least two lenses.

In some embodiments, providing the opening in the thickness direction of the substrate may include:

and forming an opening from one surface of the substrate, which faces away from the at least two lenses, so that the opening extends into the corresponding lens, or extends into the substrate, or penetrates through the substrate.

In some embodiments, filling the light blocking material in the opening may include:

completely filling the opening with a light shielding material; alternatively, the first and second electrodes may be,

the openings are partially filled with a light shielding material.

In some embodiments, after the opening is partially filled with the light shielding material, the method may further include:

and filling a material on the surface of the light shielding material.

In some embodiments, forming at least one light shielding structure and at least two lenses on a substrate may include:

forming at least one light shielding structure on a substrate;

at least two lenses are formed on one surface of the substrate.

In some embodiments, forming at least one light blocking structure on the substrate may include:

arranging an opening at a preset position of the substrate;

and filling the light shielding material in the opening to form a light shielding structure.

In some embodiments, providing an opening at a predetermined position of the substrate may include:

an opening is provided from one surface of the substrate in the thickness direction of the substrate, and the opening extends to the other surface of the substrate or into the substrate.

In some embodiments, filling the light blocking material in the opening may include:

completely filling the opening with a light shielding material; alternatively, the first and second electrodes may be,

the openings are partially filled with a light shielding material.

In some embodiments, after the opening is partially filled with the light shielding material, the method may further include:

and filling a material on the surface of the light shielding material.

In some embodiments, forming at least two lenses on one side of the substrate may include:

at least two lenses are formed on either surface of the substrate.

In some embodiments, after the opening is completely filled with the light blocking material, the method may further include:

and forming a light shielding material on one surface of the substrate close to the opening end of the opening corresponding to the opening area, so that the formed light shielding structure partially protrudes out of the surface of the substrate.

In some embodiments, forming at least one light blocking structure on the substrate may include:

and forming a shading structure on one surface of the substrate, wherein the shading structure completely protrudes out of the surface of the substrate.

In some embodiments, forming at least two lenses on one side of the substrate may include:

at least two lenses are arranged on one surface of the substrate, which protrudes out of the light shielding structure, so that the protruding part of the light shielding structure corresponds to the boundary area of the adjacent lens in the at least two lenses.

In some embodiments, the substrate may be part of a substrate:

forming at least one light shielding structure on the substrate may include:

forming a light shielding structure on one surface of a part of the substrate;

a substrate material is laid on one surface of a partial substrate on which a light shielding structure is formed.

In some embodiments, the at least two lenses formed may include at least one of a concave lens and a convex lens.

In some embodiments, the lens may include at least one of a cylindrical lens and a spherical lens.

In some embodiments, the lens may comprise a lenticular lens;

forming the at least two lenses on the substrate may include:

and part or all of the cylindrical lenses are distributed on the substrate in parallel.

In some embodiments, the lens may comprise a spherical lens;

forming the at least two lenses on the substrate may include:

and arranging part or all of the spherical lenses on the substrate in an array.

The method for manufacturing the lenticular lens grating provided by the embodiment of the disclosure can achieve the following technical effects:

the technical problem of image crosstalk caused by a distortion area between two lenses in a lens grating is solved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic flow chart of an embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional structure diagram of a substrate in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 3 is a schematic flow chart of forming a light shielding structure and a lens in a first embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure;

fig. 4 is a schematic cross-sectional structure diagram of a lens formed in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 5 is a schematic cross-sectional structure diagram of a light shielding structure formed in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 6 is a schematic cross-sectional structure diagram of an embodiment of a concave lens formed in the method for manufacturing a lenticular lens provided in the embodiment of the present disclosure;

fig. 7 is a schematic cross-sectional structure diagram of an embodiment of a concave lens and a convex lens formed in the method for manufacturing a lenticular lens provided in the embodiment of the present disclosure;

fig. 8 is a schematic flow chart illustrating a process of forming a light shielding structure in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 9A to 9C are schematic cross-sectional views illustrating the formation of openings in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 10A to 10B are schematic cross-sectional views illustrating a method for manufacturing a lenticular lens according to a first embodiment of the present disclosure, in which a light-shielding material is completely filled in an opening;

fig. 11A to 11C are schematic cross-sectional views illustrating a partial filling of a light shielding material in an opening according to a first embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure;

fig. 12A to 12C are schematic cross-sectional structural diagrams of a substrate material filled after a light shielding material is partially filled in an opening in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 13 is a schematic flow chart illustrating a process of forming a light shielding structure and a lens according to a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure;

fig. 14 is a schematic cross-sectional structure diagram of a substrate formed in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 15 is a schematic flow chart illustrating a process of forming a light shielding structure in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 16A to 16B are schematic cross-sectional views illustrating a cross-sectional structure of an opening formed on a substrate according to a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure;

fig. 17A to 17B are schematic cross-sectional views illustrating a substrate completely filled with a light shielding material according to a second embodiment of a method for manufacturing a lenticular lens provided in the present disclosure;

fig. 18A to 18B are schematic cross-sectional views illustrating a substrate partially filled with a light shielding material according to a second embodiment of a method for manufacturing a lenticular lens provided in the present disclosure;

fig. 19A to 19B are schematic cross-sectional views illustrating a substrate filled with a base material after a light-shielding material is partially filled in the substrate according to a second embodiment of the method for manufacturing a lenticular lens provided in the present disclosure;

fig. 20A to 20E are schematic cross-sectional views illustrating a lens formed in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 21 is a schematic cross-sectional structure diagram of a second embodiment of a concave lens formed in the method for manufacturing a lenticular lens according to the present disclosure;

fig. 22 is a schematic cross-sectional structure diagram of a second embodiment of concave and convex lenses formed in the method for manufacturing a lenticular lens array according to the embodiment of the present disclosure;

fig. 23A to 23D are schematic cross-sectional structure diagrams illustrating a light shielding structure formed by etching a light shielding layer according to a second embodiment of a method for manufacturing a lenticular lens provided in the present disclosure;

fig. 24 is a schematic cross-sectional view illustrating a light-shielding layer formed on a surface of a substrate according to a second embodiment of a method for manufacturing a lenticular lens provided in the present disclosure;

fig. 25 is a schematic cross-sectional structure diagram of a light shielding structure formed by etching a light shielding layer formed on a surface of a substrate in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 26A to 26C are schematic cross-sectional views illustrating a lens formed in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

fig. 27 to 29 are schematic cross-sectional views illustrating a substrate formed in a third embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure;

FIG. 30 is a schematic diagram illustrating an arrangement of lenticular lenses formed in the method for fabricating a lenticular lens assembly according to an embodiment of the present disclosure;

fig. 31 is a schematic view illustrating another arrangement of forming lenticular lenses in the method for manufacturing lenticular lens array according to the embodiment of the present disclosure;

FIG. 32 is a schematic diagram illustrating an arrangement of spherical lenses formed in a method for fabricating a lenticular lens provided in an embodiment of the present disclosure;

FIG. 33 is a schematic diagram illustrating another arrangement of spherical lenses formed in the method for manufacturing a lenticular lens array according to an embodiment of the present disclosure;

fig. 34 is a schematic diagram of an arrangement manner of forming a lenticular lens and a spherical lens in the method for manufacturing a lenticular grating according to the embodiment of the present disclosure.

Reference numerals:

101: a substrate; 102: a lens; 103: a light shielding structure; 104: an opening; 105: a substrate material;

201: a substrate; 202: an opening; 203: a light shielding structure; 204: a substrate material; 205: a lens; 206: a light-shielding layer;

301: a portion of the substrate; 302: a light-shielding layer; 303: a light shielding structure; 304: a substrate material;

401: a substrate; 4021: a lenticular lens; 4022: a spherical lens.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

Referring to fig. 1, fig. 1 is a schematic flow chart of an embodiment of a method for manufacturing a lenticular lens provided by an embodiment of the present disclosure, and in some embodiments, a method for manufacturing a lenticular lens is provided, including:

s101, providing a substrate;

s102, at least one light shielding structure and at least two lenses are formed on the substrate, so that the light shielding structure corresponds to a boundary area of adjacent lenses in the at least two lenses.

Referring to fig. 2, fig. 2 is a schematic cross-sectional structure diagram of a substrate in a first embodiment of a method for manufacturing a lenticular grating according to an embodiment of the present disclosure, and in some embodiments, in S101, the substrate 101 may be a monolithic substrate.

Referring to fig. 3 to 5, fig. 3 is a schematic flow chart illustrating forming a light shielding structure and a lens in a first embodiment of a method for manufacturing a lenticular lens provided by the embodiment of the present disclosure, fig. 4 is a schematic cross-sectional structure illustrating forming a lens in the first embodiment of the method for manufacturing a lenticular lens provided by the embodiment of the present disclosure, fig. 5 is a schematic cross-sectional structure illustrating forming a light shielding structure in the first embodiment of the method for manufacturing a lenticular lens provided by the embodiment of the present disclosure, and in some embodiments, in S102, forming at least one light shielding structure and at least two lenses on a substrate may include:

s1021, forming at least two lenses 102 on one surface of the substrate 101;

s1022, at least one light shielding structure 103 is formed on the substrate 101.

In some embodiments, the at least two lenses 102 formed on one side of the substrate 101 may include at least one of a concave lens and a convex lens.

Referring to fig. 4, fig. 4 is a schematic cross-sectional structure diagram of a lens formed in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure, and at least two lenses 102 formed on one surface of a substrate 101 may include convex lenses.

Referring to fig. 6, fig. 6 is a schematic cross-sectional structure diagram of an embodiment in which the lenses formed in the method for manufacturing the lenticular lens provided in the embodiment of the present disclosure are concave lenses, and at least two lenses 102 formed on one surface of the substrate 101 may include concave lenses.

Referring to fig. 7, fig. 7 is a schematic cross-sectional structure diagram of an embodiment in which the lenses formed in the method for manufacturing a lenticular lens grating provided in the embodiment of the present disclosure are concave lenses and convex lenses, and the at least two lenses 102 formed on one surface of the substrate 101 may include convex lenses and concave lenses.

The following description will be given taking the lens 102 as a convex lens as an example.

Referring to fig. 8, fig. 8 is a schematic flow chart illustrating a process of forming a light shielding structure in a first embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, in some embodiments, in S1022, at least one light shielding structure is formed on a substrate, including:

s1022a, providing an opening on the substrate corresponding to a boundary region between adjacent lenses of the at least two lenses;

s1022b, the light-shielding material is filled in the opening to form a light-shielding structure.

In some embodiments, referring to fig. 9A to 9C, fig. 9A to 9C are schematic cross-sectional structure diagrams of an opening formed in a first embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, where the opening is disposed on a substrate corresponding to a boundary region of an adjacent lens in at least two lenses, and the method includes:

an opening is arranged on the substrate along the thickness direction of the substrate corresponding to the boundary area of the adjacent lens in the at least two lenses.

In some embodiments, providing the opening in the thickness direction of the substrate includes:

and forming an opening from one surface of the substrate, which faces away from the at least two lenses, so that the opening extends into the corresponding lens, or extends into the substrate, or penetrates through the substrate.

Referring to fig. 9A, in some embodiments, openings 104 are formed from a side of the substrate 101 facing away from the at least two lenses 102, the openings 104 being formed to extend into the corresponding lenses 102.

Referring to fig. 9B, in some embodiments, an opening 104 is formed from a side of the substrate 101 facing away from the at least two lenses 102, the opening 104 being formed to extend into the substrate 101.

Referring to fig. 9C, in some embodiments, an opening 104 is formed from a side of the substrate 101 facing away from the at least two lenses 102, the opening 104 being formed through the substrate 101.

Referring to fig. 10A to 11C, fig. 10A to 10B are schematic cross-sectional structures of a light shielding material completely filled in an opening in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure, and fig. 11A to 11C are schematic cross-sectional structures of a light shielding material partially filled in an opening in a first embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure, and in some embodiments, the filling of the light shielding material in the opening includes:

completely filling the opening with a light shielding material; alternatively, the first and second electrodes may be,

the openings are partially filled with a light shielding material.

Specifically, referring to fig. 10A, the opening 104 extends into the lens 102, the opening 104 is completely filled with the light shielding material, and the formed light shielding structure 103 extends into the lens 102.

Referring to fig. 10B, the opening 104 extends into the substrate 101, the opening 104 is completely filled with the light shielding material, and the formed light shielding structure 103 extends into the substrate 101.

Referring to fig. 5, an opening 104 penetrates through a substrate 101, a light shielding material is completely filled in the opening 104, and a light shielding structure 103 is formed to penetrate through the substrate 101.

Referring to fig. 11A, the opening 104 extends into the lens 102, and the opening 104 is partially filled with a light shielding material to form a light shielding structure 103.

Referring to fig. 11B, the opening 104 extends into the substrate 101, and the opening 104 is partially filled with a light shielding material to form the light shielding structure 103.

Referring to fig. 11C, an opening 104 penetrates through the substrate 101, and a light shielding material is partially filled in the opening 104 to form a light shielding structure 103.

In some embodiments, referring to fig. 12A to 12C, fig. 12A to 12C are schematic cross-sectional structural diagrams of a substrate material filled after a light shielding material is partially filled in an opening in a first embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, and after the light shielding material is partially filled in the opening, the method further includes:

and filling a material on the surface of the light shielding material.

In some embodiments, the material filled in the surface of the light shielding material is a substrate material.

Referring to fig. 12A, the opening 104 extends into the lens 102, and after the light shielding material is partially filled in the opening 104 to form the light shielding structure 103, the substrate material 105 is filled.

Referring to fig. 12B, the opening 104 is extended into the substrate 101, and after the light shielding material is partially filled in the opening 104 to form the light shielding structure 103, the substrate material 105 is filled.

Referring to fig. 12C, the opening 104 penetrates the substrate 101, and after the light shielding material is partially filled in the opening 104 to form the light shielding structure 103, the substrate material 105 is filled.

In some embodiments, the light shielding material of each light shielding structure 103 may be the same or different.

In some embodiments, the light shielding material of the light shielding structure 103 protruding from the surface portion of the substrate 101 may be the same as or different from the light shielding material of the inner portion of the substrate 101.

Referring to fig. 13, fig. 13 is a schematic flow chart illustrating a process of forming a light shielding structure and a lens in a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, in some embodiments, in S102, at least one light shielding structure and at least two lenses are formed on a substrate, including:

S102A, forming at least one light shielding structure on the substrate;

S102B, at least two lenses are formed on one surface of the substrate.

Referring to fig. 14, fig. 14 is a schematic cross-sectional structure diagram of a substrate formed in a second embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure, and first, an integral substrate 201 is provided.

Referring to fig. 15, fig. 15 is a schematic flow chart illustrating a process of forming a light shielding structure in a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, and in some embodiments, in S102A, forming at least one light shielding structure on a substrate includes:

s102a, arranging an opening at a preset position of the substrate;

s102b, filling the openings with a light-shielding material to form a light-shielding structure.

Referring to fig. 16A to 16B, fig. 16A to 16B are schematic cross-sectional views illustrating a cross-sectional structure of an opening formed on a substrate according to a second embodiment of a method for manufacturing a lenticular lens provided by an embodiment of the present disclosure, where in some embodiments, a position for forming the opening is designed on the substrate 201 in advance, and the opening is formed at the preset position of the substrate, including:

an opening is provided from one surface of the substrate in the thickness direction of the substrate, and the opening extends to the other surface of the substrate or into the substrate.

Referring to fig. 16A, an opening 202 is provided from one surface of a substrate 201 in the thickness direction thereof, and the opening 202 extends to the other surface of the substrate 201.

Referring to fig. 16B, an opening 202 is provided from one surface of the substrate 201 in the thickness direction thereof, and the opening 202 extends into the substrate 201.

In some embodiments, filling the openings with a light blocking material includes:

completely filling the opening with a light shielding material; alternatively, the first and second electrodes may be,

the openings are partially filled with a light shielding material.

In some embodiments, fig. 17A to 17B are schematic cross-sectional views illustrating a cross-sectional structure of a substrate completely filled with a light shielding material in a second embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure, and referring to fig. 17A, an opening 202 extends to another surface of the substrate 201, and the opening 202 is completely filled with the light shielding material to form a light shielding structure 203.

Referring to fig. 17B, the opening 202 extends into the substrate 201, and the opening 202 is completely filled with the light shielding material to form the light shielding structure 203.

Fig. 18A to 18B are schematic cross-sectional views illustrating a light shielding material partially filled in a substrate according to a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, and referring to fig. 18A, an opening 202 extends to another surface of a substrate 201, and the opening 202 is partially filled with the light shielding material to form a light shielding structure 203.

Referring to fig. 18B, the opening 202 extends into the substrate 201, and the opening 202 is partially filled with a light shielding material to form a light shielding structure 203.

In some embodiments, after the opening is partially filled with the light shielding material, the method further includes:

and filling a material on the surface of the light shielding material.

In some embodiments, the material filled in the surface of the light shielding material is a substrate material.

Fig. 19A to 19B are schematic cross-sectional views illustrating a substrate material filled with a light shielding material after the substrate is partially filled with the light shielding material in the second embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure, referring to fig. 19A, an opening 202 extends to the other side of the substrate 201, the opening 202 is partially filled with the light shielding material to form a light shielding structure 203, and then the substrate material 204 is filled on the surface of the light shielding material.

Referring to fig. 19B, the opening 202 is extended into the substrate 201, and after the light shielding material is partially filled in the opening 202 to form the light shielding structure 203, the substrate material 204 is filled on the surface of the light shielding material.

In some embodiments, forming at least two lenses on one side of the substrate comprises:

at least two lenses are formed on either surface of the substrate.

Referring to fig. 20A to 20E, fig. 20A to 20E are schematic cross-sectional views illustrating a lens formed in a second embodiment of the method for manufacturing a lenticular lens according to the present disclosure, and the at least two lenses 205 may be formed on any surface of the substrate 201 by forming the substrate 201.

Referring to fig. 20A to 20E, after the substrate 201 with the light shielding structure 203 is formed, at least two lenses 205 formed on either side of the substrate 201 may include convex lenses.

Referring to fig. 21, fig. 21 is a schematic cross-sectional structure diagram of a second embodiment in which the lenses formed in the method for manufacturing a lenticular lens provided in the embodiment of the present disclosure are concave lenses, and at least two lenses 205 formed on any surface of the substrate 201 may include concave lenses.

Referring to fig. 22, fig. 22 is a schematic cross-sectional structure diagram of a second embodiment in which the lenses formed in the method for manufacturing a lenticular lens grating provided in the embodiment of the present disclosure are concave lenses and convex lenses, and the at least two lenses 205 formed on any surface of the substrate 201 may include concave lenses and convex lenses.

The following description will be made with the lens 205 as a convex lens.

In some embodiments, referring to fig. 23B and 23D, fig. 23B and 23D are schematic structural diagrams of the light shielding structure protruding from the surface of the substrate, and after the opening is completely filled with the light shielding material, the method further includes:

on one surface of the substrate 201 near the open end of the opening 202, a light shielding material is formed corresponding to the opening region, so that the formed light shielding structure 203 partially protrudes from the surface of the substrate 201.

In some embodiments, the portion of the light shielding structure 201 protruding from the surface of the substrate 201 may be formed by etching, inkjet, stamping, screen printing, or the like, and the following etching is taken as an example for description:

referring to fig. 23A to 23D, fig. 23A to 23D are schematic cross-sectional structural diagrams illustrating a light shielding structure formed by etching a light shielding layer in a second embodiment of the method for manufacturing a lenticular lens according to the embodiment of the present disclosure, and after the opening is completely filled with a light shielding material, the method further includes:

coating a light-shielding material on one surface of the substrate 201 close to the opening end of the opening 202, and providing a light-shielding layer 206;

the light-shielding layer 206 is etched, and the light-shielding material corresponding to the opening region is remained, so that the formed light-shielding structure 203 partially protrudes from the surface of the substrate.

Referring to fig. 25, fig. 25 is a schematic cross-sectional structure diagram of a light shielding structure formed on a surface of a substrate in a second embodiment of a method for manufacturing a lenticular lens provided in an embodiment of the present disclosure, where the forming of at least one light shielding structure on the substrate includes:

the light shielding structure 203 is formed on one surface of the substrate 201, and the light shielding structure 203 completely protrudes from the surface of the substrate 201.

In some embodiments, the portion of the light shielding structure 201 completely protruding from the surface of the substrate 201 may be formed by etching, inkjet, stamping, or the like, and the following description takes etching as an example:

in some embodiments, referring to fig. 24 and fig. 25, fig. 24 is a schematic cross-sectional structure diagram of a light shielding layer formed on a surface of a substrate in a second embodiment of a method for manufacturing a lenticular lens provided by the embodiment of the present disclosure, fig. 25 is a schematic cross-sectional structure diagram of a light shielding structure formed on a surface of a substrate in a second embodiment of a method for manufacturing a lenticular lens provided by the embodiment of the present disclosure, and at least one light shielding structure is formed on the substrate, including:

coating a light-shielding material on one surface of the substrate 201 to form a light-shielding layer 206;

and etching the light shielding layer 206, reserving the light shielding material at the preset position, and forming a light shielding structure 203, wherein the light shielding structure 203 completely protrudes out of the surface of the substrate.

In some embodiments, the light shielding material of each light shielding structure 203 may be the same or different.

In some embodiments, the light shielding material of the light shielding structure 203 protruding from the surface of the substrate 201 may be the same as or different from the light shielding material of the portion located inside the substrate 201.

In some embodiments, referring to fig. 26A to 26C, fig. 26A to 26C are schematic cross-sectional structure diagrams of lenses formed in a second embodiment of the method for manufacturing a lenticular lens provided in the embodiment of the present disclosure, and for a case that the light shielding structure 203 on the substrate 201 protrudes from the substrate 201, at least two lenses are formed on one surface of the substrate, including:

at least two lenses 205 are arranged on the substrate 201, wherein the light shielding structure 203 protrudes from one surface of the substrate, so that the protruding part of the light shielding structure 203 corresponds to the boundary area of the adjacent lens in the at least two lenses 205.

Referring to fig. 28 to 29, fig. 28 and 29 are schematic cross-sectional structural diagrams of a substrate formed in a third embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure, in some embodiments, the substrate may be a partial substrate:

forming at least one light shielding structure on the substrate may include:

forming a light shielding structure 303 on one surface of a part of the substrate 301;

a substrate material 304 is laid on one surface of the partial substrate 301 on which the light shielding structure 303 is formed.

In some embodiments, the light shielding structure 303 formed on a portion of the substrate 301 may be formed by etching, ink-jetting, stamping, or the like, and the following etching is taken as an example:

in some embodiments, referring to fig. 27 to 29, fig. 27 to 29 are schematic cross-sectional structure diagrams of a substrate formed in a third embodiment of a method for manufacturing a lenticular lens according to an embodiment of the present disclosure, in which the substrate is a part of a substrate 301:

forming at least one light shielding structure on a substrate, comprising:

coating a light-shielding material on one surface of a partial substrate 301 to form a light-shielding layer 302;

etching the light shielding layer 302 to form a light shielding structure 303;

the substrate material 304 is laid on the side of the partial substrate 301 on which the light shielding structure 303 is formed, and then the at least two lenses may be provided on any one side of the substrate.

In some embodiments, referring to fig. 30 to 34, fig. 30 is a schematic diagram of one arrangement manner of forming the lenticular lenses in the method for manufacturing the lenticular lens grating provided by the embodiment of the present disclosure, fig. 31 is a schematic diagram of another arrangement manner of forming the lenticular lenses in the method for manufacturing the lenticular lens grating provided by the embodiment of the present disclosure, fig. 32 is a schematic diagram of one arrangement manner of forming the spherical lenses in the method for manufacturing the lenticular lens grating provided by the embodiment of the present disclosure, fig. 33 is a schematic diagram of another arrangement manner of forming the spherical lenses in the method for manufacturing the lenticular lens grating provided by the embodiment of the present disclosure, fig. 34 is a schematic diagram of one arrangement manner of forming the lenticular lenses and the spherical lenses in the method for manufacturing the lenticular lens grating provided by the embodiment of the present disclosure, and the lens 402 provided on the substrate 401 includes at least one of the lenticular lens 4021 and the spherical lens 4022.

In some embodiments, referring to fig. 30 and 31, lens 402 comprises lenticular lens 4021;

forming at least two lenses on substrate 401 includes:

some or all of the lenticular lenses 4021 are arranged in parallel on the substrate.

In some embodiments, referring to fig. 32 and 33, the lens 402 includes a spherical lens 4022;

forming at least two lenses on substrate 401 includes:

some or all of the spherical lenses 4022 are arranged in an array on the substrate.

Referring to fig. 34, at least two lenses including a lenticular lens 4021 and a spherical lens 4022 are formed on a substrate 401.

In some embodiments, the plurality of lenticular lenses 4021 may be a lenticular concave lens, a lenticular convex lens, or a combination of a lenticular convex lens and a lenticular concave lens. The plurality of spherical lenses 4022 may be spherical concave lenses, spherical convex lenses, or a combination of spherical concave lenses and spherical convex lenses. Further, the plurality of lenses may be a combination of a cylindrical convex lens and a spherical convex lens, a combination of a cylindrical convex lens and a spherical concave lens, a combination of a cylindrical concave lens and a spherical concave lens, and a combination of a cylindrical concave lens and a spherical convex lens. The number and type of the lenses 102 are set according to actual requirements.

In some embodiments, whether the lens comprises a cylindrical lens, a spherical lens, or has other shapes, at least one curve of the surface of the lens may be macroscopically circular or non-circular, such as: elliptical, hyperbolic, parabolic, etc. Alternatively, at least one curve of the surface of the lens may microscopically have a non-circular shape such as a polygon. Alternatively, the shape of the lens may be determined according to practical situations such as process requirements, for example: the shape of the surface of the lens.

According to the manufacturing method of the lens grating, the formed shading structure of the lens grating can effectively reduce or eliminate stray light generated at the junction of the two lenses, so that the image quality projected by the area is effectively improved.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It is clear to those skilled in the art that, for convenience and brevity of description, the working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit may be merely a division of a logical function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.