Invention Grant
- Patent Title: Lighting unit with compensation for output frequency, and method for determining output frequency
- Patent Title (中): 输出频率补偿的照明单元，输出频率的确定方法
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Application No.: US12867218Application Date: 2009-02-09
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Publication No.: US08896317B2Publication Date: 2014-11-25
- Inventor: Radu Surdeanu , Viet Nguyen Hoang , Benoit Bataillou , Pascal Bancken , David Van Steenwinckel
- Applicant: Radu Surdeanu , Viet Nguyen Hoang , Benoit Bataillou , Pascal Bancken , David Van Steenwinckel
- Applicant Address: NL Eindhoven
- Assignee: NXP B.V.
- Current Assignee: NXP B.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP08101668 20080215
- International Application: PCT/IB2009/050531 WO 20090209
- International Announcement: WO2009/101573 WO 20090820
- Main IPC: G01R31/02
- IPC: G01R31/02 ; H05B33/08
Abstract:
A method of determining the dominant output wavelength of an LED, includes determining an electrical characteristic of the LED which is dependent on the voltage-capacitance characteristics, and analyzing the characteristic to determine the dominant output wavelength.
Public/Granted literature
- US20100308833A1 LIGHTING UNIT WITH COMPENSATION FOR OUTPUT FREQUENCY, AND METHOD FOR DETERMINING OUTPUT FREQUENCY Public/Granted day:2010-12-09
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