阅读说明：本技术 曲面屏的贴合装置及方法 (Laminating device and method for curved screen ) 是由 苏建斌 张文真 于 2019-09-29 设计创作，主要内容包括：本发明涉及一种曲面屏的贴合装置及方法,该装置包括盖板治具、支承结构以及载台,本发明的曲面屏的贴合装置通过将玻璃盖板固定,支承结构在拼接状态下,由中间区域带动柔性显示层与玻璃盖板的平面相贴合,支承结构在展开状态下,由弯折区域带动柔性显示层与玻璃盖板的曲面相贴合。本发明的贴合装置结构简单,易于实现,由支承结构带动柔性显示层依次进行平面贴合以及曲面贴合的过程,可以保证大角度曲面屏的所有位置都完全贴合。(The invention relates to a laminating device and a method of a curved screen, wherein the device comprises a cover plate jig, a supporting structure and a carrying platform. The laminating device is simple in structure and easy to realize, and the supporting structure drives the flexible display layer to sequentially carry out the processes of plane laminating and curved surface laminating, so that all positions of the large-angle curved screen can be completely laminated.)

1. The utility model provides a laminating device of curved surface screen for realize that flexible display layer laminates mutually with glass apron, its characterized in that includes:

the cover plate jig is used for fixing the glass cover plate;

the supporting structure is used for bearing the flexible display layer and comprises a middle area and a bending area, the middle area drives the flexible display layer to be attached to the plane of the glass cover plate in the splicing state of the supporting structure, and the bending area drives the flexible display layer to be attached to the curved surface of the glass cover plate in the unfolding state of the supporting structure.

2. The attaching device of a curved screen according to claim 1, further comprising a stage, wherein the stage is movably connected to the supporting structure, and is configured to control the supporting structure to enter a splicing state to achieve planar attachment of the flexible display layer to the glass cover plate, and to control the supporting structure to enter an unfolding state to achieve curved attachment of the flexible display layer to the glass cover plate.

3. The conformable device of claim 2, wherein the stage comprises:

the first power mechanism provides acting force for enabling the supporting structure to have a moving trend towards the plane direction of the glass cover plate to the supporting structure in a splicing state;

and the second power mechanism provides acting force for enabling the supporting structure to have the tendency of unfolding towards the curved surface direction of the glass cover plate to the supporting structure in the splicing state.

4. A conformable device according to claim 2, wherein the support structure comprises two symmetrically disposed splice elements, the splice elements comprising:

the splicing surface is a contact surface between the splicing single bodies;

the bending surface is consistent with the radian of the curved surface of the glass cover plate;

the middle surface is arranged between the splicing surface and the bending surface and is used for splicing to form a middle area;

and the fixed surface is opposite to the middle surface and is fixed on the carrying platform.

5. A curved screen attachment according to claim 4, wherein the curvature of the bending surface is from 120 ° to 180 °.

6. The attaching device for a curved screen of claim 1, wherein the cover plate jig is a copying cover plate jig adapted to the shape of the glass cover plate.

7. A method for attaching a curved screen, which is applied to the attaching device of the curved screen according to any one of claims 1 to 6, the method comprising the steps of:

placing the flexible display layer on the surface of the support structure in a spliced state;

the supporting structure moves towards the plane direction of the glass cover plate, so that the middle area of the supporting structure is abutted to the plane of the glass cover plate, and the flexible display layer is attached to the plane of the glass cover plate;

the supporting structure is unfolded towards the curved surface direction of the glass cover plate, so that the bending area of the supporting structure is abutted to the curved surface of the glass cover plate, and the curved surface of the flexible display layer on the glass cover plate is attached.

8. The method of claim 7, wherein after the middle region of the support structure is abutted to the plane of the glass cover plate, the middle region is uniformly and stably pressed to perform plane fitting.

9. The method according to claim 7, wherein after the bending region of the support structure is abutted to the curved surface of the glass cover plate, uniform and stable pressure is applied to the bending region for curved surface lamination.

10. The attaching method of the curved panel of claim 7, wherein after the curved surface of the glass cover plate is attached, the following process is further performed on the flexible display layer:

the supporting structure contracts reversely towards the curved surface direction of the glass cover plate and enters a splicing state;

and the supporting structure moves reversely towards the plane direction of the glass cover plate and exits from the curved screen after the laminating is finished.

Technical Field

The invention belongs to the technical field of processing of curved-surface display screens, and particularly relates to a laminating device and method of a curved-surface display screen.

Background

The LCD (Liquid Crystal Display) industry has advanced into maturity, a flexible OLED (Organic Light-Emitting Diode) Display is a new growth point of the future Display industry, and the flexibility of the flexible OLED Display is continuously developed and utilized, for example, the flexible OLED is attached to a curved glass cover plate to realize front and side Display of a product.

With the gradual change of the curved screen into the mainstream display screen, the curved screen bent at a large angle also becomes the trend of the subsequent mobile phone. The current fitting scheme for curved screens is as follows: after the flexible display layer is covered with the bearing film, the flexible display layer is placed on the silica gel soft pad, and after the CCD is aligned, the flexible display layer is completely attached to the cover plate glass through the copying silica gel soft pad. But to the bent cover plate glass of wide-angle, can have the region of an indent, effective pressfitting can not be accomplished to the silica gel cushion, has a large amount of bubbles in the indent region to lead to the laminating bad.

Disclosure of Invention

The invention provides a curved screen fitting device and method, which are used for solving the technical problem of poor fitting of a curved screen bent at a large angle in the prior art.

The invention discloses a laminating device of a curved screen, which is used for realizing the lamination of a flexible display layer and a glass cover plate and comprises:

the cover plate jig is used for fixing the glass cover plate;

the supporting structure is used for bearing the flexible display layer and comprises a middle area and a bending area, the middle area drives the flexible display layer to be attached to the plane of the glass cover plate in the splicing state of the supporting structure, and the bending area drives the flexible display layer to be attached to the curved surface of the glass cover plate in the unfolding state of the supporting structure.

The invention also discloses a curved screen laminating method, which is applied to the curved screen laminating device and comprises the following steps:

placing the flexible display layer on the surface of the support structure in a spliced state;

the supporting structure moves towards the plane direction of the glass cover plate, so that the middle area of the supporting structure is abutted to the plane of the glass cover plate, and the flexible display layer is attached to the plane of the glass cover plate;

the supporting structure is unfolded towards the curved surface direction of the glass cover plate, so that the bending area of the supporting structure is abutted to the curved surface of the glass cover plate, and the curved surface of the flexible display layer on the glass cover plate is attached.

It can be known from the above embodiments of the present invention that, in the attaching device for a curved screen according to the present invention, the glass cover plate is fixed, the support structure drives the flexible display layer to attach to the plane of the glass cover plate in the splicing state by the middle region, and the flexible display layer is driven to attach to the curved surface of the glass cover plate by the bending region in the unfolding state by the support structure. The laminating device is simple in structure and easy to realize, and the supporting structure drives the flexible display layer to sequentially carry out the processes of plane laminating and curved surface laminating, so that all positions of the large-angle curved screen can be completely laminated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a splicing state structure of a laminating device of a curved screen according to the present invention;

FIG. 2 is a schematic structural view of a curved screen of the present invention in an unfolded state;

FIG. 3 is a schematic view of a support structure splicing structure of the attaching device of the curved screen according to the present invention;

FIG. 4 is a schematic view of the support structure of the attaching device of the curved screen according to the present invention in an unfolded configuration;

fig. 5 is a schematic flow chart of a laminating method of the curved screen according to the present invention.

Description of the main elements:

1. a support structure; 2. a cover plate jig; 3. a stage; 4. a glass cover plate; 5. a flexible display layer; 11. a middle region; 12. a bending region; 13. splicing the monomers; 131. splicing the surfaces; 132. a bending surface; 133. a middle surface; 134. a fixed surface; 31. a first power mechanism; 32. and the second power mechanism.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the invention discloses a curved screen bonding device for bonding a flexible display layer 5 to a glass cover plate 4, comprising a cover plate jig 2, a supporting structure 1 and a carrying platform 3, wherein the cover plate jig 2 is used for fixing the glass cover plate 4; supporting structure 1 is used for bearing flexible display layer 5, and supporting structure 1 includes middle zone 11 and the regional 12 of buckling, and under supporting structure 1's the concatenation state, middle zone 11 drives flexible display layer 5 and glass apron 4's plane and laminates mutually, and under supporting structure's the expansion state, the regional 12 curved surface that drives flexible display layer 5 and glass apron 4 of buckling laminates mutually. The carrying platform 3 is movably connected with the supporting structure 1 and is used for controlling the supporting structure 1 to enter a splicing state to realize plane fitting of the flexible display layer 5 and the glass cover plate 4 and controlling the supporting structure 1 to enter an unfolding state to realize curved surface fitting of the flexible display layer 5 and the glass cover plate 4.

Compared with the prior art, the laminating device of the curved screen has the advantages that the glass cover plate 4 is fixed, the middle area 11 of the supporting structure drives the flexible display layer 5 to be laminated with the plane of the glass cover plate 4 in a splicing state, and the bending area 12 of the supporting structure drives the flexible display layer 5 to be laminated with the curved surface of the glass cover plate 4 in an unfolding state. The laminating device is simple in structure and easy to realize, and the supporting structure 1 drives the flexible display layer 5 to sequentially carry out the processes of plane laminating and curved surface laminating, so that all positions of the large-angle curved screen can be completely laminated.

In the present embodiment, the stage 3 includes the first power mechanism 31 and the second power mechanism 32, and the first power mechanism 31 provides a force to the support structure 1 in the splicing state so that the support structure 1 has a tendency to move in the plane direction of the glass cover plate 4; the second power mechanism 32 provides a force to the support structure 1 in the joined state, which force tends to expand the support structure 1 in the direction of the curved surface of the glass cover plate 4.

In the invention, the cover plate jig 2 fixes the glass cover plate 4 in an inverted manner, namely, the plane inner surface of the glass cover plate 4 is horizontally downward, and the curved surfaces of the glass cover plate 4 are symmetrically arranged at two sides and extend downward. The first power mechanism 31 provides acting force for enabling the support structure 1 to move upwards, the middle area 11 of the support structure 1 drives the flexible display layer 5 to move upwards until the flexible display layer is contacted with the plane of the glass cover plate 4, and at the moment, the acting force of the first power mechanism 31 is stable, so that the plane of the glass cover plate 4 is completely attached to the flexible display layer 5; after the plane is attached, the second power mechanism 32 provides an acting force for the supporting structure 1 to expand left and right, the supporting structure 1 extends along the two ends of the flexible display layer 5, so that the drooping flexible display layer 5 is gradually placed on the bending area 12 and is sent to the curved surface of the glass cover plate 4 by the supporting structure 1, and at the moment, the acting force of the second power mechanism 32 is stable, so that the curved surface of the glass cover plate 4 is completely attached to the flexible display layer 5.

The first power mechanism 31 and the second power mechanism 32 of the present invention are used for providing power sources, and the specific structure thereof is preferably a servo motor, the fixed end of the servo motor is fixed on the stage 3, and the movable end of the servo motor is mechanically connected with the support structure 1.

In this embodiment, the supporting structure 1 includes two symmetrically arranged splicing single bodies 13, each splicing single body 13 includes a splicing surface 131, a bending surface 132, an intermediate surface 133 and a fixing surface 134, and the splicing surface 131 is a contact surface between the splicing single body 13 and the splicing single body 13; the curvature of the bending surface 132 is consistent with that of the glass cover plate 4; the middle surface 133 is arranged between the splicing surface 131 and the bending surface 132 and is used for splicing to form a middle area 11; fixed surface 134 faces intermediate surface 133 and is fixed to stage 3.

Please further refer to fig. 3, which is a schematic diagram of a splicing state of the supporting structure 1, wherein the splicing surfaces 131 of the two splicing units 13 are seamlessly spliced, the two middle surfaces 133 form the middle region 11, and the two opposite bending surfaces 132 are spaced from the curved surface of the glass cover plate 4, and do not collide with the glass cover plate 4 during the upward movement of the supporting structure 1. Referring to fig. 4, it is a schematic view of the support structure 1 in an unfolded state, in which the splicing surfaces 131 of the two splicing units 13 are opposite to each other to form a gap, the two middle surfaces 133 are separated, and the two opposite bending surfaces 132 are exactly corresponding to the two side curved surfaces of the glass cover plate 4.

In this embodiment, the curvature of the bending surface 132 is 120 degrees to 180 degrees. When the radian of the bending surface 132 is greater than 90 degrees, the curved surface of the glass cover plate 4 forms an inward concave structure, and if the screen pasting structure directly extends into the glass cover plate 4 according to a conventional screen pasting mode, the situation that the local position cannot be pasted exists certainly, but the screen pasting process of bending the arc surface by more than 90 degrees can be realized through the structural design of the invention.

In the present embodiment, the cover plate jig 2 is a profiling cover plate jig 2 adapted to the shape of the glass cover plate 4. The cover plate jig 2 is used for stabilizing the glass cover plate 4 in the laminating process of the flexible display layer 5. Set up apron tool 2 into profile modeling apron tool 2, the fixed surface of apron tool 2 and glass apron 4 is unanimous with the surface shape size of glass apron 4 promptly, when flexible display layer 5 laminating was closed, the pressure of applying to glass apron 4 was born by apron tool 2 completely, so can not appear laminating the in-process and lead to the condition that glass apron 4 damaged.

The invention further discloses a curved screen attaching method, which is applied to the curved screen attaching device and further relates to fig. 5, wherein the method comprises the following steps:

s601, placing the flexible display layer 5 on the surface of the support structure 1 in a splicing state;

s602, moving the support structure 1 towards the plane direction of the glass cover plate 4, enabling the middle area 11 of the support structure 1 to be abutted to the plane of the glass cover plate 4, and uniformly and stably applying pressure to the middle area 11 to realize the planar attachment of the flexible display layer 5 on the glass cover plate 4;

s603, unfolding the supporting structure 1 towards the curved surface direction of the glass cover plate 4, enabling the bending area 12 of the supporting structure 1 to be abutted to the curved surface of the glass cover plate 4, and uniformly and stably applying pressure to the bending area 12 to realize curved surface lamination of the flexible display layer 5 on the glass cover plate 4;

s604, the supporting structure 1 contracts reversely towards the curved surface direction of the glass cover plate 4 and enters a splicing state;

s605, the supporting structure 1 moves reversely to the plane direction of the glass cover plate 4, and the curved screen after being attached is withdrawn.

The method for laminating the curved-surface screen comprises the steps of firstly, placing a flexible display layer 5 on a support structure 1 in a splicing state, wherein the length of the flexible display layer 5 borne by the support structure 1 in the splicing state is equal to the length of a glass cover plate 4, the width of the flexible display layer is narrower than the width of the glass cover plate 4, and the flexible display layer can enter the plane of the glass cover plate 4 to be subjected to plane laminating; after the plane is attached, the supporting structure 1 is unfolded to make the width and the curvature of the curved surface of the flexible display layer 5 consistent with those of the glass cover plate 4, so that the curved surface attaching process is realized. The laminating method provided by the invention is carried out in two steps, so that the laminating of the screen can be more completely and tightly realized.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In view of the above description of the technical solutions provided by the present invention, those skilled in the art will recognize that there may be variations in the technical solutions and the application ranges according to the concepts of the embodiments of the present invention, and in summary, the content of the present specification should not be construed as limiting the present invention.