Dual panel display backlight power controller chip for...

Details Dual panel display backlight power controller chip for... Dual panel display backlight power controller chip for...

2007-09-18

2007-09-18

Shalwala, Bipin (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S001100, C345S204000, C345S212000, C345S214000, C345S690000

Reexamination Certificate

active

10846585

ABSTRACT:
A backlight power controller chip comprises a control circuit connected to two switches to turn on and off two display panels of a dual panel display handheld apparatus. The controller chip individually switches the two switches to control the backlight sources of the two display panels. The controller chip is available for various types of display panels.

REFERENCES:
patent: 2003/0164445 (2003-09-01), Turnbull
patent: 2004/0160435 (2004-08-01), Cui et al.
patent: 2004/0217954 (2004-11-01), O'Gorman et al.

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