Display drive apparatus, display apparatus and drive control...

Details Display drive apparatus, display apparatus and drive control... Display drive apparatus, display apparatus and drive control...

Filed on

2011-03-15

Date issued

2011-03-15

Examiner

Shankar, Vijay (Department: 2629)

Patent Class

Computer graphics processing and selective visual display system

SubClass

Display driving control circuitry

SubSubClass

Display power source

Other Related Categories

C345S098000, C345S099000, C345S100000, C345S204000

Type

Reexamination Certificate

Status

active

Patent number

07907137

Description

ABSTRACT:
There is provided a display drive apparatus for operating, in accordance with display data, a current control type optical elements each having a display pixel provided with the optical element and a drive element which supplies a driving current to the optical element. The display drive apparatus includes a gradation signal creating circuit which generates a gradation signal corresponding to a luminance gradation of the display data and supplies the gradation signal to the display pixel, a threshold voltage detection circuit which detects a threshold voltage peculiar to the drive element of the display pixel, and a compensation voltage application circuit which generates a compensation voltage for compensating for the threshold voltage of the drive element on the basis of the threshold voltage and applies the compensation voltage to the drive element.

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