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Patent Searching and Data


Title:
NORMALLY BLACK MODE TYPE TN LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2001142072
Kind Code:
A
Abstract:

To provide a normally black mode TN liquid crystal display device which has wide viewing angle characteristics and little asymmetry in the lateral viewing angles when a medium tone is displayed and which can display an image of high quality.

The device has an optical compensation film and an optically anisotropic film disposed between a driving liquid crystal cell and a polarizing plate in the observation side. The optical compensation film holds twisted nematic alignment and has the twist angle smaller than the twist angle of a nematic liquid crystal layer of the driving liquid crystal cell when no voltage is applied.


Inventors:
TOYOOKA TAKEHIRO
Application Number:
JP2000246340A
Publication Date:
May 25, 2001
Filing Date:
August 15, 2000
Export Citation:
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Assignee:
NIPPON MITSUBISHI OIL CORP
International Classes:
G02B5/30; G02F1/13363; G02F1/1347; (IPC1-7): G02F1/13363; G02B5/30; G02F1/1347
Attorney, Agent or Firm:
Noriyuki Morita (1 person outside)