Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2008-01-01

2008-01-01

McKinnon, Terrell L. (Department: 2809)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S072000, C349S188000, C345S101000, C257S059000

Reexamination Certificate

active

11144936

ABSTRACT:
A liquid crystal display device comprises a liquid crystal display panel including a liquid crystal layer for a display in an OCB mode, a heating unit which heats the liquid crystal display panel, a temperature detecting unit for detecting a temperature of the liquid crystal display panel, a time measuring unit which measures a heating time that the heating unit has operated, and a transfer drive circuit which applies a transfer drive voltage to the liquid crystal layer to transfer the alignment state of liquid crystal molecules from a splay alignment to a bend alignment in advance. The transfer drive circuit is configured to determine a transfer time as an application period of the transfer drive voltage on the basis of a relationship between the heating time and temperature which are obtained from the time measuring unit and temperature detecting unit at a desired timing.

REFERENCES:
patent: 5744819 (1998-04-01), Yamamoto et al.
patent: 5929833 (1999-07-01), Koshobu et al.
patent: 2003/0107546 (2003-06-01), Ham
patent: 2002-250909 (2002-09-01), None

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