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A kind of touch screen with explosion-proof film pasting synthesis method

A technology of touch screen and explosion-proof film, which is applied in the directions of instruments, calculations, and electrical digital data processing, etc., which can solve the problem that the explosion-proof film cannot completely cover the touch screen panel and fit the large and small sides, so as to improve the effect that the touch screen panel cannot be completely covered

Active Publication Date: 2022-07-15
烟台正海科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a lamination and forming method of an explosion-proof membrane for a touch screen, optimizes the molding and lamination process of the explosion-proof membrane, improves the safety and aesthetics of the touch screen module, has strong practicability, and can effectively improve the explosion-proof membrane The touch screen panel cannot be completely covered, and the size of the fit side is problematic

Method used

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  • A kind of touch screen with explosion-proof film pasting synthesis method
  • A kind of touch screen with explosion-proof film pasting synthesis method
  • A kind of touch screen with explosion-proof film pasting synthesis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] figure 2 As shown, the external dimension of the touch screen panel 4 is 100*200mm, and the surrounding chamfer is 0.05mm. The explosion-proof film 3 is processed by a punching die. The die is a wooden die, the angle of the die is 28°, and the blade is straight outside and slanting on the inside. Pay attention to the appearance of no glue or crease on the edge after punching. The outer dimension of the explosion-proof membrane 3 is 0.6mm wider than that of the touch screen panel 4, that is, the outer dimension of the explosion-proof membrane 3 is 101.2*201.2mm.

[0026] The explosion-proof film 3 and the touch screen panel 4 are laminated by a screen laminating machine. After lamination, the explosion-proof film 3 extends beyond the touch screen panel 4, and the size is more than 0.2mm, and there is no poor appearance such as laminating bubbles in the effective area.

[0027] The use of aluminum plate is beneficial for the engraving machine to make a positioning fixtu...

Embodiment 2

[0032] image 3 As shown, the external dimension of the touch screen panel 4 is 300*500mm, and the surrounding chamfer is 0.05mm. The explosion-proof film 3 is processed by a punching die. The die is made of a wooden die. The angle of the die is 28°. Pay attention to the appearance of the edge after punching. There is no glue, no creases, etc. The outer dimension of the explosion-proof membrane 3 is 1.0mm wider than that of the touch screen panel 4, that is, the outer dimension of the explosion-proof membrane 3 is 302*502m.

[0033] The explosion-proof film 3 and the touch screen panel 4 are laminated by a screen laminating machine. After lamination, the explosion-proof film 3 is beyond the touch screen panel 4, and the size is more than 0.3mm, and there is no poor appearance such as laminating bubbles in the effective area.

[0034] The use of aluminum plate is beneficial for the engraving machine to make a positioning fixture according to the shape of the touch screen panel...

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Abstract

The invention relates to a method for pasting and forming an explosion-proof film for a touch screen, comprising the following steps: 1) processing the explosion-proof film: the explosion-proof film is processed by a punching die, and the outer dimension of the explosion-proof film is 0.5-1mm larger than that of the touch screen panel; 2. ) Explosion-proof film lamination: The mesh plate laminating machine is used to attach the explosion-proof film to the touch screen panel, and the surrounding area of ​​the explosion-proof film exceeds the touch screen panel by more than 0.2mm; 3) Touch screen panel positioning: Fix the precise positioning fixture on the laser machine table, and place the The touch screen panel with the explosion-proof film is placed into the fixture for positioning; 4) Material edge removal: Use a laser machine with a CCD positioning target to remove the excess explosion-proof film material edge. mm. The explosion-proof film pasting and forming method can effectively improve the problem that the explosion-proof film cannot completely cover the touch screen panel and fit the large and small edges.

Description

technical field [0001] The invention relates to a method for pasting and forming an explosion-proof film for a touch screen, and belongs to the technical field of electronic product manufacturing. Background technique [0002] In recent years, the development of car navigation systems has been very rapid. Nearly 40% of new car owners have the need to install car DVD navigation. Such navigation display terminals are mostly equipped with touch screen panels with touch function. In order to prevent personal injury caused by the splash of glass fragments generated by the broken touch screen panel in the event of an accident in the car, a plastic film with tensile strength and breaking strength is often pasted on the front of the touch screen panel, and the film substrate is mostly PET hardened polyester. , this layer of plastic film is usually called explosion-proof film. Explosion-proof film is also commonly used on the front of touch screen panels such as printers, copiers, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C63/00B29C63/02B26F3/00G06F3/041
CPCB29C63/0047B29C63/02B26F3/00G06F3/041G06F2203/04103
Inventor 王文涛杨胜利刘冬一
Owner 烟台正海科技股份有限公司