Title:
LED LIGHT SOURCE AND LED LAMP USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/083637
Kind Code:
A1
Abstract:
A high efficiency and high-power LED light source comprises an LED (21), a light collector for collecting light emitting from the LED (21), and a convergence lens (23). The light collector is a concave mirror (22). The convergence lens (23) is placed in front of the LED (21). The light emitting part of the LED (21) is placed at a focus of the concave mirror (22) and a focus of the convergence lens (23). An LED lamp using the light source comprises a shell (2) in which a number of high efficiency and high-power LED light sources are arranged closely.
Inventors:
ZHANG WENHU (CN)
ZHENG QIUHUA (CN)
ZHENG QIUHUA (CN)
Application Number:
PCT/CN2009/001520
Publication Date:
July 29, 2010
Filing Date:
December 21, 2009
Export Citation:
Assignee:
SHANGHAI CATA SIGNAL CO LTD (CN)
ZHANG WENHU (CN)
ZHENG QIUHUA (CN)
ZHANG WENHU (CN)
ZHENG QIUHUA (CN)
International Classes:
F21S2/00; F21V13/04; F21Y101/02
Foreign References:
| CN2489181Y | 2002-05-01 | |||
| CN2462230Y | 2001-11-28 | |||
| CN201363590Y | 2009-12-16 | |||
| US6641284B2 | 2003-11-04 | |||
| US5762414A | 1998-06-09 | |||
| CN2426640Y | 2001-04-11 |
Attorney, Agent or Firm:
SHANGHAI L & W INTELLECTUAL PROPERTY LAW OFFICE, LLC (Suite 301No. 1698 Yi Shan Road, Shanghai 3, CN)
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