Title:
DUST-AND-FOG-PREVENTER FOR LIGHTING ELEMENT OF SHOWCASE
Document Type and Number:
WIPO Patent Application WO/2008/049302
Kind Code:
A1
Abstract:
A dust-and-fog-preventer (20,30) for lighting element of showcase comprises a light guide (4) formed by a first light-guiding medium and an airproof dust-and-fog-preventer (20,30) formed by a double-layer transparent pane. A second light-guiding medium which is air (A) is sealed in the airproof dust-and-fog-preventer (20,30). An interface of the first light-guiding medium for totally reflecting the guided light is enclosed in the airproof dust-and-fog-preventer (20,30). The airproof dust-and-fog-preventer (20,30) is agglutinated with the interface of the first light-guiding medium for totally reflecting the guided light. The second light-guiding medium which is air (A) sealed in the airproof dust-and-fog-preventer (20,30) is tied in with the light guide (4) formed by a first light-guiding medium.
Inventors:
HSU CHIA-YI (CN)
Application Number:
PCT/CN2007/002255
Publication Date:
May 02, 2008
Filing Date:
July 25, 2007
Export Citation:
Assignee:
HSU CHIA-YI (CN)
International Classes:
A47F11/06; F21V13/00; F21W131/405
Foreign References:
| CN1818459A | 2006-08-16 | |||
| CN1258604A | 2000-07-05 | |||
| JPH1195707A | 1999-04-09 | |||
| JPH09222864A | 1997-08-26 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (Bldg. BTsinghua Tongfang Hi-Tech Plaza,No. 1, Wangzhuang Rd.,Haidian District, Beijing 3, CN)
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