LCD panel having tailored pushdown voltages

Details LCD panel having tailored pushdown voltages LCD panel having tailored pushdown voltages

1996-09-30

1998-08-25

Lao, Lun-Yi

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 88, 345 94, 345208, 349 42, G09G 318

Patent

active

057987459

ABSTRACT:
A display element in a liquid-crystal display having a tailored pushdown voltage is described wherein the pushdown voltage of the display element may be tailored to a predetermined compensation level by varying the size of the thin-film transistor switch of the display element, by varying the size of the storage capacitor of the display element, or by varying both the size of the thin-film transistor switch and the size of the storage capacitor. The pushdown voltage of the display element may be further tailored in conjunction with the cell gap of the display panel. Precise manipulation of the output of the liquid-crystal display may be achieved through manipulation of the size of the thin-film transistor and the storage capacitor wherein various parameters may be controlled including luminance, color balance and aperture ratio for individual colors.

REFERENCES:
patent: 5089810 (1992-02-01), Shapiro et al.
patent: 5414283 (1995-05-01), den Boer et al.
patent: 5459596 (1995-10-01), Veda et al.
patent: 5510805 (1996-04-01), Lee

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