Multiple-tone display system

Details Multiple-tone display system Multiple-tone display system

1993-02-17

1996-02-27

Chin, Tommy P.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345147, 345100, G09G 336

Patent

active

054952875

ABSTRACT:
A dot matrix display system for multiple-tone displays, including a display device in which pixels are arrayed in a matrix shape, an LC (liquid-crystal) drive signal generator which converts color display data into LC display data, an 8-level data driver which selects one of 8-level voltages in accordance with the LC display data and then delivers the selected voltage, and an 8-level applied LC voltage generator by which the 8-level voltages to be applied to the pixels are produced so as to substantially make uniform color differences between the respectively adjacent tones of the multiple-tone displays. Owing to the substantially uniform color differences between the respectively adjacent tones, multiple-tone displays which are uniformly seen by the human eye can be obtained.

REFERENCES:
patent: 5030947 (1991-07-01), Dieudonne et al.
patent: 5089812 (1992-02-01), Fuse et al.
patent: 5189407 (1993-02-01), Mano et al.
patent: 5196738 (1993-03-01), Takahara et al.
"Lecturing thesis C-480", T. Yamaguchi, et al, Spring National Meeting of the Institute of Electronics, Information and Communication Engineers of Japan, 1991.

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