Title:
DISPLAY DEVICE, DISPLAY DEVICE MANUFACTURING METHOD, TOUCH PANEL, AND TOUCH PANEL MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/141981
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a display device having a cover glass in which a touch sensor is formed and also having a high degree of safety and high end face strength, and to provide a manufacturing method for the display device. This display device has a display panel, and a touch panel attached to the front surface of the display panel. The display device is characterized in that: the touch panel comprises a cover glass, which has a first surface facing the front surface of the display panel and a second surface on the side opposite the first surface, and a touch sensor formed on the first surface of the cover glass; the cover glass is chemically strengthened; the surface compressive stress of the cover glass is 600-900MPa, and the compressive stress layer depth is 5-20μm; and the cover glass has a clean-cut surface that is substantially perpendicular to the first surface, and a chamfered surface that is formed on the edge of the second surface.
Inventors:
HASEGAWA SATOSHI (JP)
TSUZUKI TATSUYA (JP)
MITAMURA NAOKI (JP)
MURAMOTO TADASHI (JP)
MATSUDA YU (JP)
TSUZUKI TATSUYA (JP)
MITAMURA NAOKI (JP)
MURAMOTO TADASHI (JP)
MATSUDA YU (JP)
Application Number:
PCT/JP2014/055709
Publication Date:
September 18, 2014
Filing Date:
March 06, 2014
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
International Classes:
G06F3/044; C03C21/00; G02F1/1333; G06F3/041; G09F9/00
Domestic Patent References:
| WO2011097314A2 | 2011-08-11 |
Foreign References:
| JP2012180262A | 2012-09-20 | |||
| US20080266273A1 | 2008-10-30 |
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
Patent business corporation Yasutomi international patent firm (JP)
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