Capacitive touch screen fitting method
A capacitive touch screen and attachment technology, applied in chemical instruments and methods, electrical digital data processing, input/output process of data processing, etc., can solve the problems of air bubbles, airflow cannot be completely excluded, and production line production capacity and other problems to achieve the effect of easy control, reducing possibility and maintaining production capacity
Inactive Publication Date: 2013-09-04
SHENZHEN SUCCESS ELECTRONICS LTD
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[0004] 2. Increase the bonding time in a vacuum state, but this will have an impact on the production line capacity;
When laminating the sensor layer glass with optical glue attached to the protective glass, although it is in an extremely vacuum environment, due to the existence of the protective glass ink level difference, the airflow at the ink level difference cannot be completely eliminated during the bonding process, and air bubbles may be generated risks of
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[0022] The specific embodiment of the present invention will be further described below with reference to accompanying drawing:
[0023] Such as figure 1 As shown, the bonding method of the capacitive touch screen according to the embodiment of the present invention involves the protective glass 10, the optical glue 20, the roller 30, the sensing layer glass 40 and the laminating machine 50, wherein the laminating machine 50 includes an extreme vacuum chamber 501 .
[0024] When carrying out the bonding process, according to the bonding method of the present invention, the protective glass 10 and the induction layer glass 40 need to be cleaned first, such as figure 2 As shown in S01, after cleaning, use the roller 30 to attach the optical adhesive 20 to the inner side of the protective glass 10, as shown in figure 2 As shown in S02, the protective glass 10 pasted with the optical glue 20 is placed on the upper fixture platform of the laminating machine 50, and the inductio...
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The invention relates to a capacitive touch screen fitting method. The capacitive touch screen fitting method includes: cleaning protecting glass and sensing glass, coating optical cement on the inner side of the protecting glass, arranging the protecting glass with the optical cement and the sensing glass oppositely, fitting the protecting glass with the optical cement and the sensing glass under the environmental condition that atmospheric pressure is smaller than or equal to -98kPa, and defoaming. By the capacitive touch screen fitting method, air bubbles caused by ink level difference of the protecting glass during fitting are reduced, and reject ratio of the air bubbles is decreased.
Description
technical field [0001] The invention relates to a bonding method of a capacitive touch screen. Background technique [0002] In the entire capacitive touch screen manufacturing process, the back-end lamination process, that is, the lamination of the protective glass and the sensing layer glass or the liquid crystal display module, the main adverse phenomena are: air bubbles, dirt, foreign matter, offset, etc. Among the bubble defects, it is difficult to solve the bubbles caused by the ink level difference on the inner side of the protective glass, that is, the side with ink level difference, and the ink level difference on the four sides. The ink level difference is 10um to 50um. The general improvement methods for this bubble defect mainly include: [0003] 1. By increasing the power of the vacuum pump or improving the sealing of the cavity, the purpose of increasing the vacuum degree of the bonding cavity is achieved, and then the bonding is carried out; [0004] 2. Incr...
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Login to View More IPC IPC(8): G06F3/044B32B37/12
Inventor 廖昌陈志雄陈毅
Owner SHENZHEN SUCCESS ELECTRONICS LTD