Electric lamp and discharge devices: systems – Plural power supplies – Discharge device and/or rectifier in one of the supply circuits
Reexamination Certificate
2006-04-11
2006-04-11
Dinh, Trinh V (Department: 2821)
Electric lamp and discharge devices: systems
Plural power supplies
Discharge device and/or rectifier in one of the supply circuits
C363S125000, C363S056090, C345S060000
Reexamination Certificate
active
07026767
ABSTRACT:
A high-efficiency power supply apparatus used with a driving system of a display panel and a method of designing the same to improve an electrical power efficiency by providing a non-isolated direct current (DC) power directly to a display panel driving circuit comprise: a DC power supplying circuit to improve a power factor by rectifying an alternating current (AC) power and generating the non-isolated DC power, which is not isolated from the AC power, and an isolated DC power; a display panel driving circuit to generate various driving signals for driving the display panel with the non-isolated DC power; and a video signal processing circuit to perform a predetermined video signal processing for generating data to drive the display panel with the isolated DC power.
REFERENCES:
patent: 5960207 (1999-09-01), Brown
patent: 6108222 (2000-08-01), Liang
patent: 6819011 (2004-11-01), Kernahan et al.
patent: 2003/0099122 (2003-05-01), Cho
patent: 2005/0018455 (2005-01-01), Ceruti et al.
patent: 2005/0088376 (2005-04-01), Inoue et al.
patent: 2003-61353 (2003-02-01), None
‥The Official Action issued by the Korean Intellectual Property Office on Feb. 25, 2005 and listing 1 reference.
Dinh Trinh V
Ho Binh Van
Samsung Electronics Co,. Ltd.
Stanzione & Kim LLP
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