CN102166877B - Gluing method by using UV adhesive - Google Patents
Gluing method by using UV adhesive Download PDFInfo
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- CN102166877B CN102166877B CN 201010582590 CN201010582590A CN102166877B CN 102166877 B CN102166877 B CN 102166877B CN 201010582590 CN201010582590 CN 201010582590 CN 201010582590 A CN201010582590 A CN 201010582590A CN 102166877 B CN102166877 B CN 102166877B
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Abstract
The invention discloses a gluing method by using an ultraviolet (UV) adhesive, which comprises the following steps of: arranging a UV irradiation area on the edge of each workpiece; coating the UV adhesive between the workpieces, and extruding the workpieces to make the UV adhesive diffused to the periphery; and when the UV adhesive is diffused to the edge area, switching on a UV light source corresponding to the area, and performing UV irradiation on the area until the UV adhesive is diffused to each edge of each workpiece and a gap between the workpieces is filled with the UV adhesive. In the gluing method by using the UV adhesive, the characteristic that the viscosity of UV resin can be changed under ultraviolet irradiation is utilized, the UV light source is arranged in the edge area of each workpiece, and the flow rate of the UV adhesive in the edge area of each workpiece is changed by the UV light source, so that the diffusion speeds of the UV adhesive in various directions are balanced, the UV adhesive is uniformly distributed between the workpieces, the gap between the workpieces is filled with the UV adhesive, and the UV adhesive cannot be overflowed. When products such as a liquid crystal touch screen and the like are produced by the method, the production period is short, the method is easy to operate, product quality is high, and mass production is easy to realize.
Description
Technical field
The present invention relates to a kind of UV sticker and close method, specifically, is that a kind of UV sticker when producing products such as liquid crystal touch screen closes method.
Background technology
Screens such as the touch screen of panel computer or mobile phone liquid crystal touch screen are made by resin-bonding by the multi-layer transparent medium together, under the non-vacuum environment when producing, when resin flowed to in-plane expansion, because path and expansion rate is different, the arrival edge also was irregular difference.As shown in Figure 1, be example to produce handset touch panel, CG (watch crystal) cover plate 1 and TP (touch-screen) 2 are glued together by resin 3.During production, at first the core between CG cover plate 1 and TP 2 is coated resin 3, then from both sides extruding CG cover plate 1 and TP 2, makes resin 3 to diffusion all around.As can be seen from the figure the distance at the expansion rate of resin 3 or arrival edge all has bigger difference.In order to address this problem, adopt following two kinds of manufacturing process usually.
Speed forming method: the liquid state diffusion technology of resin is to select the figure that is suitable for the liquid diffusion for use, and by lifting workpiece relative motion extruding, outer power forces resin to the diffusion of the edge of workpiece, and resin all is full of.Adopt artificial for excessive glue or the unnecessary resin of machinery removal.
The high-quality method of forming: the liquid state diffusion technology of resin is to select the figure that is suitable for the liquid diffusion for use, by lifting workpiece relative motion extruding, forces resin to the diffusion of the edge of workpiece, and glue is overflowed.Slowing down or stop the relative motion of lifting workpiece then, is that master, external force are under the effect of assisting in internal stress, and resin is spread to space part (undersized) lentamente.
But speed forming method need carry out secondary operations, the especially optical field high request to outer surface for excessive glue, makes production cost and production cycle excessive.Though the high-quality method of forming makes moderate progress on the border, also exist molding cycle long, problems such as complicated operation are not suitable for industrial production.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of UV sticker and closes method, can control flowing of resin edge region, makes excessive glue and undersized be improved quick to be suitable for, high-quality large-scale production.
In order to solve the problems of the technologies described above, the invention provides a kind of UV sticker and close method, comprising:
At the edge of workpiece the UV-irradiation zone is set;
Be coated with ultraviolet light UV glue between workpiece, the extruding workpiece makes UV glue to diffusion all around;
When UV glue is diffused into fringe region, open the ultraviolet source of this zone correspondence, UV-irradiation is carried out in this zone, be diffused into each edge of workpiece and fill up space between workpiece until described UV glue.
Further, described UV-irradiation zone provides ultraviolet light by a plurality of spot lights.
Further, the time and/or the intensity of opening described ultraviolet source preestablishes according to the type of UV glue and the type of workpiece.
Further, sensor is set in the UV-irradiation zone of the described edge of work, described UV glue to around when spreading, detect by described sensor, when described sensor detects UV glue and is diffused into the edge, open the ultraviolet source of this zone correspondence.
Further, the extruding workpiece make UV glue to around in the diffusion process, change the pressure of extruding workpiece according to the diffusion velocity of described UV glue on all directions.
Further, after described UV glue is diffused into each edge of workpiece and fills up space between workpiece, continue UV-irradiation is carried out in the subregion of workpiece, make the UV adhesive curing of irradiated area.
Further, described workpiece by after the UV adhesive curing in the zone of UV-irradiation, the UV glue to the remaining area of described workpiece is cured again.
Further, the method that the UV glue of the remaining area of described workpiece is cured is: be cured by spontaneous curing or by the described remaining area of UV-irradiation.
Further, described UV glue is the UV resin.
UV sticker of the present invention closes method, utilize UV (ultraviolet light) resin under the irradiation of ultraviolet light, can change the characteristic of viscosity, in workpiece rim zone ultraviolet source is set, change the flow velocity of UV glue by ultraviolet source in workpiece rim zone, thereby balance UV glue is in the diffusion velocity of all directions, make UV glue uniformly dispersing between workpiece, both can be full of workpiece gap, can not overflow again.Utilize method of the present invention to produce products such as liquid crystal display, with short production cycle, simple to operate, product quality is high, easy realization of large-scale production.
Description of drawings
Fig. 1 is the stereogram of a production panel computer touch screen embodiment in the prior art;
Fig. 2 carries out the schematic diagram that the zone is divided to workpiece when implementing method of the present invention;
Fig. 3 is a method flow diagram of the present invention.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 3, see also Fig. 2 simultaneously, UV sticker of the present invention closes method, it is characterized in that, comprising:
Edge 6 at workpiece 4 is provided with UV-irradiation zone 7;
Coat UV glue 54 of workpiece, extruding workpiece 4 makes UV glue 5 to diffusion all around;
When UV glue 5 is diffused into fringe region, open the ultraviolet source of this zone correspondence, UV-irradiation is carried out in this zone, be diffused into each edge of workpiece and fill up space between workpiece until described UV glue.
In addition, after UV glue is diffused into each edge of workpiece and fills up space between workpiece, can also continue UV-irradiation is carried out in the subregion of workpiece, make the UV adhesive curing of irradiated area.This operation is called precuring, and precuring can be fixed the relative position of workpiece, and workpiece can relatively not moved, and is convenient to move or transportation.Even and workpiece is subjected to external force extruding again, can not make the UV solation moving more yet, also just do not have UV glue and do not overflow, to guarantee the quality of production.
After the precuring, and then UV glue carry out this curing, even the whole UV adhesive curings between workpiece.This process can be placement a period of time to make the spontaneous curing of UV glue, also can be that UV-irradiation is carried out in the Zone Full or the also uncured zone of UV glue of workpiece, makes the UV adhesive curing.
As shown in Figure 2, with the rectangular piece is example, generally speaking, when beginning to push workpiece, UV glue is towards workpiece angle diffusion velocity Va and basic identical towards the diffusion velocity Vb on workpiece limit, therefore UV glue at first arrives the UV-irradiation zone at place, workpiece limit, need to open the ultraviolet source on the workpiece limit this moment, the UV adhesiveness that is mapped to by ultraviolet lighting becomes big, diffusion velocity Vb on the workpiece limit slows down, and very fast relatively, thereby make the UV glue of all directions can arrive the edge of workpiece in essentially identical moment towards the diffusion velocity Va of the UV at workpiece angle glue.So, both can make UV glue fill up the gap of workpiece equably, the situation that does not have the glue that overflows again takes place.
Shown in the dash area among Fig. 2, the UV-irradiation zone can provide ultraviolet light by a plurality of spot lights, each zone of spot light irradiation.How much determining of spot light and irradiation area according to the size and the needed precision of workpiece.In general, workpiece is big more, and irradiation area that is divided and spot light quantity thereof are also many more, otherwise then few more.In addition, irradiation area and spot light quantity thereof are many more, and control accuracy is also just high more.
The moment, duration and intensity for ultraviolet source is opened can preestablish according to the type of UV glue and the type of workpiece.Setting value can obtain at an easy rate through experiment.
In addition, also can sensor be set in the UV-irradiation zone of the edge of work, when UV glue to around when spreading, detect by sensor.When sensor detects UV glue and is diffused into the edge, open the ultraviolet source of this zone correspondence.So, can save the step of experiment, produce more convenient.And, can adjust the irradiation time and the intensity of ultraviolet light at any time according to the diffusion velocity of the detected UV glue of sensor, to reach control more accurately.
In addition, the extruding workpiece make UV glue to around in the diffusion process, can also change the pressure of extruding workpiece according to the diffusion velocity of UV glue on all directions, to control the diffusion of UV glue better.
(for example: modification acrylate) be a kind of material to the ultraviolet light sensitivity, the present invention has utilized the mechanism of UV glue by change in concentration behind the UV-irradiation to UV glue, controls flowing of UV glue.The speed that will flow fast in the appointed area reduces, thereby improves the flow velocity of the resin that does not reach the appointed area, and resin is distributed when arriving the edge of work equably.Thereby promptly change the part resin flow by the viscosity of regulating ultraviolet light quantity change resin in the appointed area.The present invention can use all viscose glues to the ultraviolet light sensitivity, especially to the resin of ultraviolet light sensitivity, i.e. and UV resin.
The present invention is specially adapted to the demanding touch-screen of surface optical is fitted.The production efficiency height is arranged, less energy consumption, characteristics such as processing cost is low.Be suitable for the extensive of control automatically and produce automatically, can change the present situation of present manual production or semi-automatic production.
The above embodiment is the preferred embodiment that proves absolutely that the present invention lifts, and protection scope of the present invention is not limited thereto.Being equal to that those skilled in the art are done on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (8)
1. a UV sticker closes method, it is characterized in that, comprising:
At the edge of workpiece the UV-irradiation zone is set;
Be coated with ultraviolet light UV glue between workpiece, the extruding workpiece makes UV glue to diffusion all around;
When UV glue is diffused into fringe region, open the ultraviolet source of this zone correspondence, UV-irradiation is carried out in this zone, be diffused into each edge of workpiece and fill up space between workpiece until described UV glue; Described UV-irradiation zone provides ultraviolet light by a plurality of spot lights.
2. resin applying method according to claim 1 is characterized in that, the time and/or the intensity of opening described ultraviolet source preestablish according to the type of UV glue and the type of workpiece.
3. resin applying method according to claim 1, it is characterized in that, UV-irradiation zone at the described edge of work is provided with sensor, described UV glue to around when spreading, detect by described sensor, when described sensor detects UV glue and is diffused into the edge, open the ultraviolet source of this zone correspondence.
4. resin applying method according to claim 1 is characterized in that, the extruding workpiece make UV glue to around in the diffusion process, change the pressure of extruding workpiece according to the diffusion velocity of described UV glue on all directions.
5. resin applying method according to claim 1 is characterized in that, after described UV glue is diffused into each edge of workpiece and fills up space between workpiece, continues UV-irradiation is carried out in the subregion of workpiece, makes the UV adhesive curing of irradiated area.
6. resin applying method according to claim 5 is characterized in that, described workpiece by after the UV adhesive curing in the zone of UV-irradiation, the UV glue to the remaining area of described workpiece is cured again.
7. resin applying method according to claim 6 is characterized in that, the method that the UV glue of the remaining area of described workpiece is cured is: be cured by spontaneous curing or by the described remaining area of UV-irradiation.
8. resin applying method according to claim 6 is characterized in that, described UV glue is the UV resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010582590 CN102166877B (en) | 2010-12-10 | 2010-12-10 | Gluing method by using UV adhesive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010582590 CN102166877B (en) | 2010-12-10 | 2010-12-10 | Gluing method by using UV adhesive |
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| CN102166877A CN102166877A (en) | 2011-08-31 |
| CN102166877B true CN102166877B (en) | 2013-07-24 |
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| CN 201010582590 Expired - Fee Related CN102166877B (en) | 2010-12-10 | 2010-12-10 | Gluing method by using UV adhesive |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317816B (en) * | 2012-03-23 | 2017-07-21 | 芝浦机械电子装置股份有限公司 | The manufacture method of bonder and adhesive base plate |
| CN103056140B (en) * | 2012-12-18 | 2016-02-17 | 黄山市中显微电子有限公司 | A kind of gel resin method on glass after gluing accessory |
| CN103149738B (en) * | 2013-02-22 | 2015-11-25 | 深圳市华星光电技术有限公司 | liquid crystal display substrate |
| CN104210218B (en) * | 2013-05-31 | 2016-08-24 | 盟立自动化股份有限公司 | Base plate bonding method |
| CN103599878A (en) * | 2013-11-15 | 2014-02-26 | 四川虹欧显示器件有限公司 | Method for coating UV (ultraviolet) glue on different medium surfaces of plasma display screen |
| WO2015131321A1 (en) * | 2014-03-03 | 2015-09-11 | 尹先和 | High-precision liquid-crystal screen laminating machine |
| JP6363930B2 (en) * | 2014-10-10 | 2018-07-25 | 日東電工株式会社 | Optical film with adhesive, method for producing the same, and method for producing an image display device |
| CN105642518B (en) * | 2014-11-21 | 2019-05-03 | 林英志 | A kind of dispensing method controlling photosensitive adhesiveness and its dispenser system |
| CN105704638A (en) * | 2016-04-22 | 2016-06-22 | 梧州恒声电子科技有限公司 | Loudspeaker glue injection technology |
| US11009662B2 (en) * | 2017-09-05 | 2021-05-18 | Facebook Technologies, Llc | Manufacturing a graded index profile for waveguide display applications |
| CN117565533A (en) * | 2023-11-16 | 2024-02-20 | 黑龙江天有为电子股份有限公司 | Full-fitting screen assembly and manufacturing method and manufacturing equipment thereof |
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