Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1994-08-29
1998-09-29
Nguyen, Chanh
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345100, G09G 336
Patent
active
058151362
ABSTRACT:
A liquid crystal display has a liquid crystal panel having a plurality of data lines and a plurality of scanning lines arranged in a matrix form with pixels being formed at intersections of the data and scanning lines, a scanning circuit for successively applying a voltage to the scanning lines, and a liquid crystal driver for receiving display data from an external device to apply a voltage corresponding to the display data to the data lines. The scanning circuit includes a synchronizing signal generating circuit for generating a frame display synchronizing signal indicative of a frame period for display of image on the liquid crystal panel and a line display synchronizing signal indicative of a line period for image display on the liquid crystal panel. The liquid crystal driver includes a display memory accessed through a memory interface for reading and writing of data, the display memory storing therein display data corresponding to the pixels.
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patent: 5412777 (1995-05-01), Wakimoto
"HM62256 Series", Hitachi IC Memory Data Book No. 1--SRAM. SRAM Module, PSRAM, As Memory and ECL RAM, 11th Edition, pp. 269-282, published by Worldwide Product Marketing Operations, Semiconductor and IC Div., Hitachi, Ltd., Japan, in Feb. 1994.
"HD66108 (RAM-Provided 165-Channel LCD Driver for Liquid Crystal Dot Matrix Graphics,", Hitachi LCD Controller/Driver LSI Data Book, pp. 638-690, published by Hitachi, Ltd., Japan, prior to Aug. 29, 1994.
"HD66107T (LCD Driver for High Voltage)", Hitachi LCD Controller/Driver LSI Data Book, pp. 787-806, published by Hitachi, Ltd., Japan, prior to Aug. 29, 1994.
Hitachi LCD Controller/Driver LSI Data Book, pp. 787-806, 1984.
Hitachi IC Memory Data Book, No. 1, pp. 269-282, 1983.
Furuhashi Tsutomu
Ikeda Makiko
Inuzuka Tatsuhiro
Kasai Naruhiko
Nitta Hiroyuki
Hitachi , Ltd.
Nguyen Chanh
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