Title:
COVER GLASS, AND IN-CELL LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159981
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a cover glass which can be prevented from becoming cloudy, without an increase in the thickness thereof and the number of steps for production thereof, and which also has superior impact resistance; and an in-cell liquid crystal display device. The present invention pertains to a cover glass comprising: a chemically strengthened glass including a first main surface and a second main surface; and a fingerprint-resistant treatment layer provided on the first main surface, wherein of all alkali metals contained in a tensile stress layer of the chemically strengthened glass, the number of moles of Li is the largest, the DOL thereof is 60 μm or more, and the surface of the fingerprint-resistant treatment layer has a triboelectric charge amount of -1.5 to 0 kV.
Inventors:
KOIKE AKIO (JP)
TAKEDA YOSUKE (JP)
SAITO YASUNARI (JP)
IKEDA TORU (JP)
MURAKAMI TAKAAKI (JP)
FUKAWA MAKOTO (JP)
TAKEDA YOSUKE (JP)
SAITO YASUNARI (JP)
IKEDA TORU (JP)
MURAKAMI TAKAAKI (JP)
FUKAWA MAKOTO (JP)
Application Number:
PCT/JP2019/005142
Publication Date:
August 22, 2019
Filing Date:
February 13, 2019
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C17/30; B32B7/025; B32B17/06; C03C3/083; C03C3/085; C03C3/087; C03C3/091; C03C3/097; C03C15/00; C03C17/34; C03C17/42; C03C21/00; G02F1/1333
Domestic Patent References:
| WO2017161108A1 | 2017-09-21 |
Foreign References:
| JP2012232882A | 2012-11-29 | |||
| JP2012020921A | 2012-02-02 | |||
| JP2017511785A | 2017-04-27 | |||
| JP2014099159A | 2014-05-29 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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