Active matrix type liquid crystal display with multi-media orien

Details Active matrix type liquid crystal display with multi-media orien Active matrix type liquid crystal display with multi-media orien

1995-10-27

1999-03-16

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

G09G 336

Patent

active

058836098

ABSTRACT:
A vertical drive circuit comprises a shift circuit composed of a plurality of cascaded half-bit scan circuits, a plurality of NAND gate circuits controlled by output signals of the scan circuits and control signals, and a plurality of output buffer circuits connected to the NAND gate circuits. A horizontal drive circuit comprises a shift circuit composed of a plurality of cascaded half-bit scan circuits, a plurality of first NAND gate circuits controlled by output signals of the scan circuits and control signals, a plurality of second NAND gate circuits controlled by output signals of the first NAND gate circuits and enable signals, and a plurality of data sampling and holding circuits controlled by output signals of the second NAND gate circuits.

REFERENCES:
patent: 4803480 (1989-02-01), Soneda
patent: 4870399 (1989-09-01), Carlston
patent: 5166671 (1992-11-01), Maekawa
patent: 5250931 (1993-10-01), Misawa
patent: 5251051 (1993-10-01), Fujiyoshi
patent: 5355023 (1994-10-01), Edwards
patent: 5357290 (1994-10-01), Horibe
patent: 5602561 (1997-02-01), Kagawuchi et al.
patent: 5644331 (1997-07-01), Hazama
patent: 5654659 (1997-08-01), Hasada

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