Invention Grant
- Patent Title: Liquid crystal display device with birefringent layers
- Patent Title (中): 具有双折射层的液晶显示装置
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Application No.: US13064580Application Date: 2011-04-01
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Publication No.: US08416377B2Publication Date: 2013-04-09
- Inventor: Akira Sakai
- Applicant: Akira Sakai
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka
- Agency: Nixon & Vanderhye P.C.
- Priority: JP2009-015927 20090127
- Main IPC: G02F1/1335
- IPC: G02F1/1335

Abstract:
The present invention provides a liquid crystal display device that has a higher contrast ratio in a wide viewing angle and that can be easily produced at low cost. The present invention is a liquid crystal display device, including in the following order: a first polarizer; a first quarter-wavelength plate (nx>ny≧nz); a liquid crystal cell; a second quarter-wavelength plate having an Nz coefficient substantially the same as that of the first quarter-wavelength plate; a birefringent layer (II) (nx
Public/Granted literature
- US20110181814A1 Liquid crystal display device Public/Granted day:2011-07-28
Information query
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