Display apparatus having shift register of reduced operating fre

Details Display apparatus having shift register of reduced operating fre Display apparatus having shift register of reduced operating fre

1992-10-08

1994-04-26

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345200, 345204, G09G 300

Patent

active

053070852

ABSTRACT:
In a dynamic drive type matrix display apparatus having a scan drive circuit for sequentially driving a number of scan electrodes of a display panel and a data drive circuit for simultaneously driving a number of data electrodes of the display panel, the data drive circuit is divided into a plurality of data drive sub-circuits, and data of one scan to be transferred to a shifter register of each of the data drive sub-circuits is stored in a memory circuit once, and thereafter, simultaneously transferred in parallel to the shift registers of all the data drive sub-circuits.

REFERENCES:
patent: 4149151 (1979-04-01), Nagal et al.
patent: 4824212 (1989-04-01), Taniguchi
patent: 4908710 (1990-03-01), Wakai et al.
patent: 5010325 (1991-04-01), Ziuchkovski

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