Driving method for increasing gray level

Details Driving method for increasing gray level Driving method for increasing gray level

2011-03-08

2011-03-08

Awad, Amr (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S089000

Reexamination Certificate

active

07903130

ABSTRACT:
The present invention discloses a driving method for increasing gray level, wherein the PWM mode is added into the FRM mode, and the PWM mode is implemented with the common drive circuit; the section of the horizontal synchronous signal of a frame interval is divided into multiple sub-sections according to the requirement of the PWM mode; the control of the length of the turn-on period within a frame interval is implemented with a redesigned control circuit, and none special drive circuit is needed.

REFERENCES:
patent: 2005/0057466 (2005-03-01), Sala et al.
patent: 2007/0229423 (2007-10-01), Tyrrell

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