Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1994-08-15
1995-07-25
Gross, Anita Pellman
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 57, 359 87, 345 96, 345149, G02F 1133, G09G 336
Patent
active
054367476
ABSTRACT:
A liquid crystal display including row conductors and column conductors divided into odd conductor groups and even conductor groups. Each of the groups includes two or more adjacent conductors. A plurality of adjacent subpixels in a row direction and in a column direction form a single pixel. The adjacent subpixels in the single pixel are divided into a first subpixel group including adjacent subpixels arranged in the column direction and a second subpixel group including adjacent subpixels arranged in the column direction. The first subpixel group is connected to a first conductor of an odd conductor group and the second subpixel group is connected to a second conductor of the odd conductor group. An adjacent pixel in the row direction has a first subpixel group connected to one conductor of an even conductor group and a second subpixel group connected to a second conductor of the even conductor group. A row driver sequentially supplies row signals to the row conductor and column drivers connected to the column conductors supply data signals of one polarity to the odd conductor groups and data signals of an opposite polarity to the even conductor groups, and alternately change the polarity of data signals applied to the odd conductor groups and the even conductor groups every two or more rows in the column direction between one polarity and the opposite polarity.
REFERENCES:
patent: 4822142 (1989-04-01), Yasui
patent: 4842371 (1989-06-01), Yasuda et al.
patent: 4850677 (1989-07-01), Okumura
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patent: 5107353 (1992-04-01), Okumura
patent: 5365284 (1994-11-01), Matsumoto et al.
"New Driving Method for Liquid Crystal Display" IBM Technical Disclosure Bulletin-Vol. 30-No. 12-May 1988-pp. 7-8.
Aker David
Duong Tai V.
Gross Anita Pellman
International Business Machines - Corporation
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