Invention Grant
- Patent Title: LED emitting device and driving method thereof
- Patent Title (中): LED发光装置及其驱动方法
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Application No.: US13191174Application Date: 2011-07-26
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Publication No.: US08729822B2Publication Date: 2014-05-20
- Inventor: Jinhwa Chung , Frank Chang , Byunghak Ahn , Moonho Choi
- Applicant: Jinhwa Chung , Frank Chang , Byunghak Ahn , Moonho Choi
- Applicant Address: KR Bucheon
- Assignee: Fairchild Korea Semiconductor Ltd.
- Current Assignee: Fairchild Korea Semiconductor Ltd.
- Current Assignee Address: KR Bucheon
- Agency: Okamoto & Benedicto LLP
- Priority: KR10-2010-0075543 20100805
- Main IPC: H05B37/02
- IPC: H05B37/02
Abstract:
The present invention relates to an LED emitting device and a driving method thereof including at least two LED channels. If a power source voltage supplied to an LED emitting device reaches a predetermined threshold voltage, the power source voltage is maintained as a threshold voltage during an overvoltage regulation period.
Public/Granted literature
- US20120032611A1 LED EMITTING DEVICE AND DRIVING METHOD THEREOF Public/Granted day:2012-02-09
Information query
