Invention Grant
- Patent Title: Driver circuit for driving a plurality of DC lamp strings
- Patent Title (中): 用于驱动多个DC灯串的驱动电路
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Application No.: US10976809Application Date: 2004-11-01
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Publication No.: US07122971B2Publication Date: 2006-10-17
- Inventor: Ching-Chiang Yeh , Chung-Lung Pai , Wei-Hsin Wei
- Applicant: Ching-Chiang Yeh , Chung-Lung Pai , Wei-Hsin Wei
- Applicant Address: TW Hsinchu
- Assignee: Richtek Technology Corp.
- Current Assignee: Richtek Technology Corp.
- Current Assignee Address: TW Hsinchu
- Agency: Rosenberg, Klein & Lee
- Priority: TW92131006A 20031105
- Main IPC: H05B37/00
- IPC: H05B37/00 ; H05B39/00
Abstract:
A driver circuit for a DC light source supplies a voltage generated by a DC-to-DC converter for a plurality of lamp strings connected in parallel and a plurality of driving currents generated by a current mirror for the lamp strings, such that the lamp strings may have well controlled or uniform brightness.
Public/Granted literature
- US20050093473A1 Driver circuit for driving a plurality of DC lamp strings Public/Granted day:2005-05-05
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