A method for realizing the color drawing pattern of the window frame on the cover glass of the touch panel
A cover glass and touch panel technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of increased product thickness, decreased optical performance, and many process steps, and achieve the overall thickness The effect of reduction, process reduction, and overall yield improvement
Active Publication Date: 2016-08-10
LENS TECH CHANGSHA
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The basic process is: wire drawing (on Film)→electroplating→screen printing ink→deplating→screen printing ink→cutting→visual inspection→lamination with white sheet CG→degassing→visual inspection, and the above-mentioned process makes more process steps, resulting in Rising costs, reduced production capacity, increased product thickness, and reduced optical performance
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[0020] The specific implementation manner of this patent will be further described in detail below in conjunction with the accompanying drawings.
[0021] A method for realizing a colored wire drawing pattern of a window frame on a touch panel cover glass, the specific steps of which are as follows:
[0022] 1) Clean the reverse side (uncoated side) of the cover glass coated with AF film (Anti-Fingerprint, anti-fingerprint film) with alcohol to remove the surface dirt, and then use an ion cleaning machine to further remove the organic residues on the surface to make the surface The water drop angle drops below 15°. Afterwards, screen-print a layer of varnish on the frame area of the window on the back of the cover glass, and bake the glass with silk-screened varnish at 50°C to 80°C for 10 to 30 minutes to cure the varnish.
[0023] 2) Apply a line of UV glue on one end of the template, cover the reverse side of the cover glass on the template, and use a roller to roll from ...
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Abstract
The invention provides a technology and a manufacturing method for achieving a window frame colored drawing pattern on touch panel cover glass (referred to as CG, the same below). The method comprises the following steps: a, varnish silkscreening: silkscreening a layer of varnish on the CG; b, drawing: performing mould pressing and solidification on UV glue (glue solidified by adopting UV light) to form a window frame pattern with a drawing effect on the CG; c, electroplating: electroplating 1-5 layers of color particles on a drawing texture; d, printing ink silkscreening: silkscreening 1-5 layers of printing ink in an upper frame area of an electroplated layer, so as to achieve the purpose of shading of the window frame; e, deplating: using deplating solution to etch electroplated particles in a visible area; f, printing ink silkscreening: silkscreening 1-5 layers of printing ink in a deplated CG frame area. The method can achieve a colored drawing effect on the CG directly, and compared with the traditional process that a pattern is formed on an organic thin film, and the organic thin film / glass is fitted with the CG, multiple procedures are eliminated, the product is thinned, the yield is improved, and the cost is saved.
Description
technical field [0001] The invention relates to the field of touch technology, in particular to a method for realizing a colored wire drawing pattern of a window frame on a cover glass of a touch panel. Background technique [0002] Cover glass is widely used in electronic products, but it is difficult to directly form a high-precision brushed three-dimensional pattern on the cover glass. At present, the traditional process of making three-dimensional patterns on glass touch screens is to make patterns on a layer of organic film (Film) and then bond them with cover glass (CG for short, the same below). The basic process is: wire drawing (on Film)→electroplating→screen printing ink→deplating→screen printing ink→cutting→visual inspection→lamination with white sheet CG→degassing→visual inspection, and the above-mentioned process makes more process steps, resulting in The cost rises, the production capacity decreases, the product thickness increases, and the optical performance...
Claims
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IPC IPC(8): G06F3/041C03C17/00C03C15/00
Inventor 周群飞
Owner LENS TECH CHANGSHA