Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL SYSTEM FOR ILLUMINATION
Document Type and Number:
WIPO Patent Application WO/2009/059466
Kind Code:
A1
Abstract:
An optical system for illumination includes a light source (1) and an optical assembly (4) which surrounds the light source (2). The optical assembly (4) comprises a periphery surface (5) and a light emitting surface (6), wherein the light emitting surface (6) is inclined and the inclined angle thereof can be changed as required. When the light source (1) cooperates with the optical assemblies (4) with different inclined angles of the light emitting surface, illuminance for different regions and ranges is provided.

Inventors:
LIU, Chia-Yu (14F No.392, Ruey Kuang Rd.Neihu, Taipei, Taipei, CN)
Application Number:
CN2007/003172
Publication Date:
May 14, 2009
Filing Date:
November 08, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LITE-ON IT CORPORATION (14F No.392, Ruey Kuang Rd.Neihu, Taipei, Taipei, CN)
建兴电子科技股份有限公司 (中国台湾省台北市内湖区瑞光路392号14楼, Taiwan, Taipei, CN)
International Classes:
F21V13/04; F21V5/08; F21Y101/02
Foreign References:
CN2916332Y2007-06-27
DE3137685A11983-04-07
JP2002343107A2002-11-29
DE3824651A11990-02-01
JP2007010380A2007-01-18
CN2883909Y2007-03-28
JP2003168303A2003-06-13
JPS5787001A1982-05-31
US20010043476A12001-11-22
US20060028833A12006-02-09
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (25/F, Bldg. BTsinghua Tongfang Hi-Tech Plaza,No. 1, Wangzhuang Rd.,Haidian District, Beijing 3, 100083, CN)
Download PDF: