Voltage controlled backlight driver

Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source

Reexamination Certificate

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Details

C345S212000, C345S102000, C315S246000, C315S291000, C315S299000, C315S307000, C315S308000

Reexamination Certificate

active

07969430

ABSTRACT:
A system for powering and controlling an LED backlight, the system comprising: a control circuitry; a controllable power source responsive to the control circuitry; and a plurality of LED strings receiving power from the controllable power source, the control circuitry being operative to control the output voltage of the controllable power source responsive to a function of an electrical characteristic of at least one of the plurality of LED strings.

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