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Anti-glare surface with ultra-low flash and method of making same

A surface roughness and product technology, applied in the field of anti-glare surface with ultra-low flash and its manufacture, can solve the problem of reducing the expected image resolution, sacrificing the expected image clarity and resolution, and interfering with the expected image readability of the expected image and other issues to achieve the effect of expanding the scale

Pending Publication Date: 2022-04-12
CORNING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the diffusion mechanism may sacrifice the sharpness and resolution of the intended image
Therefore, AG processing may affect the quality of the intended image on glass displays
AG treatments such as chemically or mechanically texturizing the glass surface reduce glare but also reduce intended image resolution and cause scattered glare on the glass surface which interferes with intended image readability

Method used

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  • Anti-glare surface with ultra-low flash and method of making same
  • Anti-glare surface with ultra-low flash and method of making same
  • Anti-glare surface with ultra-low flash and method of making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0135] Embodiment 1 includes a method of making an article comprising etching a surface of a substrate with an etching suspension comprising an etching paste and glycerin, wherein the article includes no more than 1% glitter.

Embodiment 2

[0136] Embodiment 2 includes embodiment 1, wherein the etching suspension includes from about 5 wt % to about 30 wt % glycerin.

Embodiment 3

[0137] Embodiment 3 includes any of embodiments 1 to 2, wherein the etching paste includes one or more salts selected from the group consisting of: NH 4 F, NH 4 HF 2 , KF, FeCl 3 、KNO 3 , BaSO 4 , CuCl 2 , Fe 2 (SO 4 ) 3 , Fe(NO 3 ) 3 、CoCl 2 、Co 2 SO 4 , Co(NO 3 ) 2 、NiCl 2 、Ni 2 SO 4 , Ni(NO 3 ) 2 , ZnCl 2 , Zn 2 SO 4 , Zn(NO 3 ) 2 , CaCl 2 , Ca 2 SO 4 , Ca(NO 3 ) 2 , MgCl 2 , Mg 2 SO 4 , Mg(NO 3 ) 2 and their combinations.

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Abstract

The present disclosure includes a method of manufacturing an article comprising etching a surface of a substrate with an etch suspension comprising an etch paste and glycerol such that the surface is an anti-glare surface and the article includes no more than 1% flash. An article manufactured by the method may include a substrate defect having a textured surface and include no more than 1% flash.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority under 35 U.S.C. §119 to U.S. Provisional Patent Application No. 62 / 873,554, filed July 12, 2019, the contents of which are the basis of this application and are incorporated herein by reference in its entirety . Background technique [0003] Chemically strengthened glass is used in more than five billion devices that use touchscreens as user interfaces. These devices include handhelds and automotive displays, among other consumer products. For automotive displays, optical clarity and strength at thinner aspect ratios are important for fuel economy and light weight. [0004] In general, these types of glass are treated for both aesthetic and functional purposes. For example, anti-reflective, anti-glare and anti-fingerprint coatings or treatments are commonly applied. In the context of automotive applications, these coatings must last longer than they would on consumer el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C15/00C03C21/00C09K13/00C09K13/08
CPCC03C21/00C03C15/00C03C23/0075C03C21/002C03C2204/08C09K13/06
Inventor 陈海星陈玲冯江蔚宇辉金朱建强
Owner CORNING INC