Reference voltage generation circuit, display driver,...

Details Reference voltage generation circuit, display driver,... Reference voltage generation circuit, display driver,...

2006-03-01

2010-02-16

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000

Reexamination Certificate

active

07663586

ABSTRACT:
A reference voltage generation circuit, including: first to Jth (J is an integer greater than one) gamma correction data registers in which gamma correction data for generating a plurality of reference voltages is set; and a reference voltage select circuit which selects K select voltages from first to Lth (L is an integer greater than two, and K is a natural number smaller than L) select voltages arranged in potential descending order or potential ascending order and outputs the K select voltages as first to Kth reference voltages in potential descending order or potential ascending order, based on the gamma correction data set in one of the first to Jth gamma correction data registers, wherein the first to Kth reference voltages are output as the reference voltages.

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