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Title:
UNIFORM LIGHT DEVICE OF LED LIGHT BOX WITH TRANSMISSIVE BACKLIGHT SOURCE AND LIGHT BOX
Document Type and Number:
WIPO Patent Application WO/2010/108370
Kind Code:
A1
Abstract:
An LED light box with a transmissive backlight source, comprises a picture supporting board provided on the displaying direction of the light box, multiple LEDs (2) provided in the light box, and light reflective devices provided between the LEDs (2). An uniform light device is provided on the displaying direction of the light box. The positions of the uniform light device corresponding to the LEDs (2) are provided with light-shielding structures, so as to shield the light emitted directly from the LEDs (2) and lead the light to the circumambience.

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Inventors:
WANG, Mowen (2/F Block 4, 271 Qian Yang Road Putuo District, Shanghai 3, 200333, CN)
Application Number:
CN2009/075516
Publication Date:
September 30, 2010
Filing Date:
December 11, 2009
Export Citation:
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Assignee:
RAYS LIGHTING SYSTEM (SHANGHAI) CO., LTD. (2/F Block 4, 271 Qian Yang Road Putuo District, Shanghai 3, 200333, CN)
锐光照明系统(上海)有限公司 (中国上海市普陀区千阳路271弄4号楼2楼, Shanghai 3, 200333, CN)
International Classes:
F21V1/00; F21V11/00; F21V13/08; G09F19/22; F21Y101/02
Foreign References:
CN101275720A
CN101326402A
CN200972751Y
CN200969192Y
CN100466028C
US20050200262A1
Attorney, Agent or Firm:
HYLANDS LAW FIRM (5A5 5th Floor, Hanwei PlazaNo. 7 Guanghua Road, Chaoyang District, Beijing 4, 100004, CN)
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