Active matrix type liquid crystal display and liquid crystal...

Details Active matrix type liquid crystal display and liquid crystal... Active matrix type liquid crystal display and liquid crystal...

2007-08-14

2007-08-14

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S140000, C349S141000

Reexamination Certificate

active

10637555

ABSTRACT:
An active matrix liquid crystal display device is provided, in which an after image remaining after removing an application of a direct current voltage is suppressed. The active matrix liquid crystal display device has a liquid crystal layer containing a liquid crystal molecule having negative dielectric anisotropy and a dopant having a dissociative group.

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patent: 6005650 (1999-12-01), Kim et al.
patent: 6172720 (2001-01-01), Khan et al.
patent: 6366330 (2002-04-01), Khan et al.

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