Light emission device and power supply therefor

Details Light emission device and power supply therefor Light emission device and power supply therefor

2007-02-06

2007-02-06

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169300, C323S271000, C323S282000, C323S312000, C345S077000, C345S082000

Reexamination Certificate

active

11128706

ABSTRACT:
A power supply device supplying power to a data driver of a light emission display device. The power supply device includes: an external reference voltage supply supplying an external reference voltage; a reference voltage generator converting external power into a regulated direct current (DC) reference voltage and outputs the regulated DC reference voltage when the external power is changed. A reference voltage selector selects one of the reference voltages output from the external reference voltage supply and the reference voltage generator and outputs a selected reference voltage. A voltage converter converts the regulated reference voltage output from the reference voltage selector into a plurality of internal DC power sources to be supplied to the drivers.

REFERENCES:
patent: 5446367 (1995-08-01), Pinney
patent: 2005/0078065 (2005-04-01), Hayafuji et al.
patent: 2006/0055631 (2006-03-01), Yoshida
patent: 2006/0077077 (2006-04-01), Kwon

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