Invention Grant
- Patent Title: LED lighting system with bypass circuit for failed LED
- Patent Title (中): LED照明系统带旁路电路，用于故障LED
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Application No.: US12621438Application Date: 2009-11-18
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Publication No.: US08410705B2Publication Date: 2013-04-02
- Inventor: Klaus Bollmann , Tom C. Penick
- Applicant: Klaus Bollmann , Tom C. Penick
- Applicant Address: US TX Georgetown
- Assignee: Ringdale, Inc.
- Current Assignee: Ringdale, Inc.
- Current Assignee Address: US TX Georgetown
- Agency: Hulsey, P.C.
- Agent Loren T. Smith; Christina Saenz
- Main IPC: H05B37/00
- IPC: H05B37/00
Abstract:
A bypass circuit is provided for each LED in a series to permit continued operation with reduced lighting in the event of an LED failure. The bypass circuit is provided in parallel to the LED and comprises a Zener Diode provided in parallel to a thyristor. Upon LED failure, the voltage across the Zener Diode is increased thereby triggering the thyristor which is maintained in a triggered mode as long as current flows through the series circuit.
Public/Granted literature
- US20100123399A1 LED lighting system with bypass circuit for failed LED Public/Granted day:2010-05-20
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