Title:
THE LED LAMP WITH A REFLECTING CAVITY
Document Type and Number:
WIPO Patent Application WO/2002/052190
Kind Code:
A1
Abstract:
The invention relates a LED lamp with a reflecting cavity. The lamp comprises a shade, a core column made up of a bundle of LED and a holder. The LED core column is installed on the shade, and LED is connected to a specific power supply. The lamp is characterized in that a reflecting cavity is set in shade. The reflecting cavity is composed of a part of inner wall of shade and the holder, a reflective film set up on the surface of the reflecting cavity. In addition, the reflecting cavity may be composed of a part of a horn reflective body installed in site joined to the holder in the shade, a reflective film is set up on the surface of the horn reflective body. All light emitted form LED are directed to the same direction, so that the light is more centralized , the brightness is stronger, and the illumination is farther.
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Inventors:
ZHANG CHEN (CN)
Application Number:
PCT/CN2001/001471
Publication Date:
July 04, 2002
Filing Date:
October 08, 2001
Export Citation:
Assignee:
ZHANG CHEN (CN)
International Classes:
F21K9/68; F21K99/00; F21V7/00; F21Y107/20; F21Y107/30; F21Y115/10; H01L25/13; (IPC1-7): F21S2/00; F21V7/00; H05B33/00
Foreign References:
| JPH09265807A | 1997-10-07 | |||
| CN2348246Y | 1999-11-10 | |||
| US5890794A | 1999-04-06 | |||
| CN2276200Y | 1998-03-11 | |||
| CN1171514A | 1998-01-28 | |||
| CN2255128Y | 1997-05-28 | |||
| JPH11176220A | 1999-07-02 | |||
| JPH11297104A | 1999-10-29 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE (435 Guiping Road 3 Shanghai, CN)
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