Electric lamp and discharge devices: systems – Plural series connected load devices – Christmas lights
Reexamination Certificate
2011-01-11
2011-12-06
Vu, David Hung (Department: 2821)
Electric lamp and discharge devices: systems
Plural series connected load devices
Christmas lights
C315S192000, C315S193000
Reexamination Certificate
active
08072153
ABSTRACT:
The present invention discloses a multi-color backlight control circuit, comprising: a plurality of pins for electrically connecting with a plurality of LED strings of different LED colors; and a voltage supply circuit for receiving an input voltage and supplying a single output voltage to the plurality of LED strings of different LED colors. The present invention also discloses a multi-color backlight control method, comprising: supplying a single output voltage to a plurality of LED strings of different LED colors.
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patent: 7741788 (2010-06-01), Ito et al.
patent: 2005/0225515 (2005-10-01), Tsuchida
patent: 2008/0054815 (2008-03-01), Kotikalapoodi et al.
patent: 1656621 (2005-08-01), None
patent: 2006/47027 (2006-05-01), None
patent: 2007/77719 (2007-07-01), None
patent: 10-2006-0012692 (2007-08-01), None
patent: WO 03/103061 (2003-12-01), None
Richtek Technology Corporation R.O.C.
Tung & Associates
Vu David Hung
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