Backlight control circuit

Details Backlight control circuit Backlight control circuit

2007-06-04

2009-08-11

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

C315S291000

Reexamination Certificate

active

07573211

ABSTRACT:
The present invention discloses a backlight control circuit, comprising: a voltage supply circuit, which is a boost converter circuit for receiving an input voltage from an input terminal and generating an output voltage to an output terminal, the output voltage being provided as an operating voltage for a plurality of light emitting devices; at least one input capacitor electrically connected between the input terminal and ground; and at least one output capacitor electrically connected between the output terminal and the input terminal.

REFERENCES:
patent: 6657876 (2003-12-01), Satoh
patent: 7113077 (2006-09-01), Masters et al.
patent: 7262582 (2007-08-01), Warita et al.
patent: 7304871 (2007-12-01), Ito et al.
patent: 7368977 (2008-05-01), Wei et al.
patent: 2002/0047642 (2002-04-01), Miyagawa

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