Driving device for a display

Details Driving device for a display Driving device for a display

2006-02-07

2006-02-07

Wu, Xiao (Department: 2674)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S551000, C345S087000

Reexamination Certificate

active

06995779

ABSTRACT:
A driving device drives a liquid crystal display device or the like to achieve screen display. This driving device has a driver integrated circuit device for feeding a driving signal to a display, a read-only memory having characters stored therein, and a microcomputer for feeding the driver integrated circuit device with bit-mapped data used to achieve graphic display and address data used to specify characters. The driver integrated circuit device, on receiving bit-mapped data, produces a driving signal in accordance with the received bit-mapped data, and, on receiving address data, reads the characters corresponding to the received address data from the read-only memory and produces a driving signal for character-based display.

REFERENCES:
patent: 4388621 (1983-06-01), Komatsu et al.
patent: 4404552 (1983-09-01), Hirahata et al.
patent: 4737927 (1988-04-01), Hanabusa et al.
patent: 4951226 (1990-08-01), Sasaki
patent: 5729247 (1998-03-01), Shibasaki

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