Active matrix liquid crystal display with reduced flickers

Details Active matrix liquid crystal display with reduced flickers Active matrix liquid crystal display with reduced flickers

1989-09-14

1992-05-26

James, Andrew J.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 60, 340784, G02F 113

Patent

active

051172984

ABSTRACT:
A liquid crystal display includes liquid crystal display pixels, thin film diodes that are connected respectively to the liquid crystal display pixels, a plurality of rows of scan lines connected to the liquid crystal display pixels, data lines connected to the liquid crystal display pixels via the thin film diodes, and means for supplying a signal voltage, between the scan line and the data line, that changes its polarity for each frame, and has an absolute value that is different for different polarity. By varying the absolute value of the signal voltage that is applied between the scan line and the data line corresponding to different polarity, the asymmetry that exists in the thin film diode can be compensated.

REFERENCES:
patent: 4773716 (1988-09-01), Nakanowatari
patent: 4840462 (1989-06-01), Hartmann
patent: 4904057 (1990-02-01), Sakayori et al.
patent: 4909607 (1990-03-01), Ross

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