US Patent 7837350 Light emitting diode illuminating device
Patent 7837350 was granted and assigned to Foxsemicon Integrated Technology on November, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A light emitting diode (LED) illumination device (10) includes an LED (11), a frustum-shaped light guide member (12) and a light diffusing plate (13). The frustum-shaped light guide member (12) has a light input surface (120) and a light output surface (122) opposite to the light input surface (120). The light guide member (12) tapers from the light output surface (122) to the light input surface (120). The light input surface (120) is optically coupled to the LED (11), and the light diffusing plate (13) is optically coupled to the light output surface (122) of the light guide member (12).
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Patent Inventor Names
Chih-Chung Tsao0
Chih-Ming Lai0
Hung-Chih Yang0
Jui-Wen Fang0
Mei-Jiun Lin0
Shu-Hui Hsieh0
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US Patent 07837350 Light emitting diode illuminating device US Patent 7837350 Light emitting diode illuminating device
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Patent Number
07837350
Patent Number
7837350
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Official Website
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US Patent 07837350 Light emitting diode illuminating device
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Is a
Current assignee
Patent jurisdiction
Patent number
07837350
Date of patent
November 23, 2010
Patent application number
12057720
Date Filed
March 28, 2008
Patent primary examiner
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