阅读说明：本技术 一种智能终端镜片高精度快速贴合工艺 (High-precision rapid laminating process for intelligent terminal lens ) 是由 兰河金 于 2021-09-07 设计创作，主要内容包括：一种智能终端镜片高精度快速贴合工艺,它涉及一种贴合工艺。它通过毛细原理,将液态胶涂布于第二基板上,将填充胶涂布于第一基板上,并利用贴合设备对两个基板进行精密对位,调整第一基板与第二基板两者贴合面之间的间距,使其间距在一个较小的范围内,并保持一段时间,使其贴合面间的液态胶和填充胶在其间隙内均匀扩撒,进而填充整个贴合面,最后利用紫外线进行固化。本发明使两基板全面贴合,贴合精度高,一次成型,其贴合的厚度可控制在较小范围内,其贴合后的成品具有轻盈、纤薄和显示效果好等优点。(A high-precision rapid laminating process for an intelligent terminal lens relates to a laminating process. Liquid glue is coated on a second substrate through a capillary principle, filling glue is coated on a first substrate, the two substrates are precisely aligned by utilizing bonding equipment, the distance between bonding surfaces of the first substrate and the second substrate is adjusted to be within a smaller range, the liquid glue and the filling glue between the bonding surfaces are uniformly spread in a gap between the liquid glue and the filling glue, the whole bonding surface is filled, and finally ultraviolet rays are utilized for curing. The invention ensures that the two substrates are completely jointed, the jointing precision is high, the two substrates are formed in one step, the jointing thickness can be controlled in a small range, and the jointed finished product has the advantages of lightness, thinness, good display effect and the like.)

1. The utility model provides a quick laminating technology of intelligent terminal lens high accuracy which characterized in that: it comprises the following steps:

step 1: respectively placing a second substrate (3) and a first substrate (1) into bonding equipment, wherein a bonding surface of the second substrate (3) is fixed downwards, a bonding surface of the first substrate (1) is fixed upwards and is right opposite to the bonding surface of the second substrate (3), and the distance between the bonding surface of the second substrate (3) and the bonding surface of the first substrate (1) is 0.5-0.7 mm;

step 2: coating liquid glue (4) on the binding surface of the second substrate (3), and coating filling glue (2) on the binding surface of the first substrate (1);

and step 3: performing thickness correction and alignment correction on the second substrate (3) and the first substrate (1);

and 4, step 4: slowly lifting the binding surface of the first substrate (1) through binding equipment, and finally staying at a fixed gap below the binding surface of the second substrate (3);

and 5: the first substrate (1) and the second substrate (3) are irradiated with ultraviolet rays in two stages, and the bonding surface is cured first, thereby completing the bonding process.

2. The intelligent terminal lens high-precision rapid fitting process according to claim 1, which is characterized in that: in the step (1), before the second substrate (3) and the first substrate (1) are placed in the bonding apparatus, cleaning is performed thereon.

3. The intelligent terminal lens high-precision rapid fitting process according to claim 1, which is characterized in that: the temperature in the laminating equipment in the step (1) is adjusted to be between 25 and 30 ℃.

4. The intelligent terminal lens high-precision rapid fitting process according to claim 1, which is characterized in that: the fixed gap in the step (4) is 0.15-0.35 mm.

5. The intelligent terminal lens high-precision rapid fitting process according to claim 1, which is characterized in that: and (3) the ultraviolet irradiation process of the two sections in the step (5) is that the first section of ultraviolet intensively irradiates the adhesive compound at the periphery of the gap edge of the second substrate (3) and the first substrate (1) to be primarily cured, and the second section of ultraviolet integrally irradiates the second substrate (3) and the first substrate (1) to be fully and completely cured.

Technical Field

The invention relates to the technical field of lens fitting, in particular to a high-precision rapid fitting process for an intelligent terminal lens.

Background

The current lens structure of cell-phone or flat board is protective glass, touch-sensitive screen and LCD screen, has adopted the three-layer material to form through twice laminating, and wherein touch-sensitive screen and LCD screen have often adopted the form of frame subsides (square double faced adhesive tape) to laminate, have produced the air bed between touch-sensitive screen and LCD screen. Because the refractive indexes of the air and the glass are different, light can be reflected once when passing through the interfaces of the glass and the air each time, the more interface layers are, the more reflection times are, the more light quantity provided by the backlight of the liquid crystal screen is lost, and meanwhile, external light rays can be reflected by the interface layers to generate glare to influence the use of users. The material cost of the two-time laminating of the three-layer glass is high, the laminating procedure is long, and the defects are in urgent need of improvement.

Disclosure of Invention

The invention aims to provide a high-precision and quick laminating process for an intelligent terminal lens, which aims at overcoming the defects and shortcomings of the prior art, and comprises the steps of coating liquid glue and filling glue on two substrates, precisely aligning the two substrates by utilizing laminating equipment to control the gap between the laminating surfaces of the two substrates within a small range, uniformly diffusing the glue in the gap between the laminating surfaces by utilizing a capillary principle, gradually filling the whole laminating surface, and finally curing by ultraviolet irradiation.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a quick laminating technology of intelligent terminal lens high accuracy, it contains the following step:

step 1: respectively placing a second substrate 3 and a first substrate 1 into laminating equipment, fixing the laminating surface of the second substrate 3 downwards, fixing the laminating surface of the first substrate 1 upwards, and aligning to the laminating surface of the second substrate 3, wherein the distance between the laminating surface of the second substrate 3 and the laminating surface of the first substrate 1 is 0.5-0.7 mm;

step 2: coating liquid glue 4 on the binding surface of the second substrate 3, and coating filling glue 2 on the binding surface of the first substrate 1;

and step 3: performing thickness correction and alignment correction on the second substrate 3 and the first substrate 1;

and 4, step 4: slowly lifting the binding surface of the first substrate 1 through binding equipment, and finally staying at a fixed gap below the binding surface of the second substrate 3;

and 5: the first substrate 1 and the second substrate 3 are irradiated with ultraviolet rays in two stages, and the bonded surfaces are cured first, thereby completing the bonding process.

Further, in step 1, before the second substrate 3 and the first substrate 1 are placed in the bonding apparatus, cleaning is performed thereon.

Further, the temperature in the laminating equipment in the step 1 is adjusted to be between 25 ℃ and 30 ℃.

Further, the fixed gap in the step 4 is 0.15 mm-0.35 mm.

Further, the two sections of ultraviolet irradiation processes in the step 5 are that the first section of ultraviolet rays intensively irradiates the adhesive compound around the edge of the gap between the second substrate 3 and the first substrate 1 to be primarily cured, and the second section of ultraviolet rays integrally irradiates the second substrate 3 and the first substrate 1 to be fully and completely cured on the binding surface.

Furthermore, the time of the first section of ultraviolet is 30-45 min, and the energy of the ultraviolet is 500mJ/cm2, and the time of the second section of ultraviolet is 90-120 min, and the energy of the ultraviolet is 800mJ/cm 2.

The working principle of the invention is as follows:

the bonding process adopts the capillary principle, liquid glue 4 is coated on a second substrate 3, filling glue 2 is coated on a first substrate 1, bonding equipment is utilized to carry out precise alignment on the two substrates, the distance between the bonding surfaces of the first substrate 1 and the second substrate 3 is adjusted to be within a smaller range, a period of time is kept, the liquid glue 4 and the filling glue 2 between the bonding surfaces are uniformly spread in the gap, the whole bonding surface is filled, finally, ultraviolet rays are utilized to intensively irradiate the adhesive compound around the edge of the gap between the second substrate 3 and the first substrate 1 for a period of time, the adhesive compound is preliminarily cured, then ultraviolet energy is adjusted to irradiate the adhesive compound, and the bonding surface is completely cured.

After the technical scheme is adopted, the invention has the beneficial effects that:

the invention coats liquid glue and filling glue on two substrates, and utilizes the laminating equipment to precisely align the two substrates, so that the gap between the laminating surfaces of the two substrates is controlled in a smaller range, the glue is uniformly diffused in the gap of the laminating surfaces by utilizing the capillary principle and gradually fills the whole laminating surface, and finally, the curing is realized by ultraviolet irradiation.

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, and 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 creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Description of reference numerals: the liquid glue comprises a first substrate 1, filling glue 2, a second substrate 3 and liquid glue 4.

Detailed Description

Referring to fig. 1, the technical solution adopted by the present embodiment is: it comprises the following steps:

step 1: respectively placing a second substrate 3 and a first substrate 1 into laminating equipment, fixing the laminating surface of the second substrate 3 downwards, fixing the laminating surface of the first substrate 1 upwards, and facing the laminating surface of the second substrate 3, wherein the distance between the laminating surface of the second substrate 3 and the laminating surface of the first substrate 1 is 0.5mm, the first substrate 1 is a liquid crystal display, and the second substrate 3 is a glass plate;

step 2: coating liquid glue 4 on the binding surface of the second substrate 3, and coating filling glue 2 on the binding surface of the first substrate 1;

and step 3: correcting the thickness and the alignment of the second substrate 3 and the first substrate 1 to prevent the non-uniform extensibility of the adhesive during the bonding;

and 4, step 4: slowly lifting the binding surface of the first substrate 1 through binding equipment, and finally staying at a fixed gap below the binding surface of the second substrate 3, wherein the gap is 0.3 mm;

and 5: the first substrate 1 and the second substrate 3 are irradiated with ultraviolet rays in two stages, and the bonded surfaces are cured first, thereby completing the bonding process.

Further, in step 1, before the second substrate 3 and the first substrate 1 are placed into the attaching device, the substrates are cleaned to prevent the flowing speed of the colloid from slowing down due to impurities, foreign matters and oil stains.

Further, the temperature in the bonding equipment in the step 1 is adjusted to 25 ℃.

Further, the fixed gap in the step 4 is 0.25 mm.

Further, the two sections of ultraviolet irradiation processes in the step 5 are that the first section of ultraviolet rays intensively irradiates the adhesive compound around the edge of the gap between the second substrate 3 and the first substrate 1 to be primarily cured, and the second section of ultraviolet rays integrally irradiates the second substrate 3 and the first substrate 1 to be fully and completely cured on the binding surface.

Further, the time of the first stage of ultraviolet is 30min, and the energy of the ultraviolet is 500mJ/cm2, and the time of the second stage of ultraviolet is 120min, and the energy of the ultraviolet is 800mJ/cm 2.

The laminating process of this embodiment adopts the capillary principle, scribble liquid glue 4 on the glass board, scribble filling glue 2 on the LCD screen, and utilize laminating equipment to carry out accurate counterpoint to two base plates, adjust the interval between two binding surfaces of LCD screen and glass board, make its interval at 0.3mm, and keep a period, make liquid glue 4 and filling glue 2 between its binding surface evenly spread in its clearance, and then fill whole binding surface, utilize ultraviolet ray to concentrate the compound of shining glass board and LCD screen clearance edge all around for a period at last, make its preliminary cure, later adjust ultraviolet energy and shine it, and then make its binding surface carry out comprehensive complete solidification.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.