Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

1995-12-21

1999-03-16

Sikes, William L.

Liquid crystal cells, elements and systems

With specified nonchemical characteristic of liquid crystal...

Within nematic phase

G02F 113

Patent

active

058836861

ABSTRACT:
The invention provides active-matrix display devices with non-linear two-pole switching elements such as MIMs or three-pole switching elements such as TFTs having a smaller difference in charge current at a different image content by using a suitable. ##EQU1## This leads to less burn-in of the image to be displayed. Moreover, a satisfactory transmission characteristic is obtained at a higher value of .epsilon..sub..perp.. For TFTs it is then possible to use smaller auxiliary capacitances due to the higher values of (.epsilon..sub..perp.). The latter aspect may in turn be utilized to realise a larger aperture.

REFERENCES:
patent: 5159325 (1992-10-01), Kuijk et al.
patent: 5184236 (1993-02-01), Miyashita et al.
patent: 5237438 (1993-08-01), Miyashita et al.
patent: 5377028 (1994-12-01), Yoshida et al.

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