Invention Grant
- Patent Title: Differential driving circuit for powering a light source
- Patent Title (中): 用于为光源供电的差动驱动电路
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Application No.: US12915807Application Date: 2010-10-29
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Publication No.: US08237371B2Publication Date: 2012-08-07
- Inventor: Yung Lin Lin , Ching-Chuan Kuo
- Applicant: Yung Lin Lin , Ching-Chuan Kuo
- Applicant Address: US CA Santa Clara
- Assignee: O2 Micro, Inc
- Current Assignee: O2 Micro, Inc
- Current Assignee Address: US CA Santa Clara
- Main IPC: H05B41/16
- IPC: H05B41/16
Abstract:
A differential driving circuit for powering a light source is disclosed. The differential driving circuit includes a first set of switches and a second set of switches. A first current from a power source flows through the first set of switches to charge a first energy storage element when the first set of switches are turned on. A second current from the first energy storage element flows through the second set of switches to power the light source when the second set of switches are turned on. The differential driving circuit further includes a second energy storage element coupled to the light source in parallel and for providing a differential voltage to the light source.
Public/Granted literature
- US08148910B2 Differential driving circuit for powering a light source Public/Granted day:2012-04-03
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