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 (CN)
Application Number:
PCT/CN2009/075516
Publication Date:
September 30, 2010
Filing Date:
December 11, 2009
Export Citation:
Assignee:
RAYS LIGHTING SYSTEM SHANGHAI (CN)
WANG MOWEN (CN)
WANG MOWEN (CN)
International Classes:
F21V1/00; F21V11/00; F21V13/08; G09F19/22; F21Y101/02
Foreign References:
| CN101275720A | 2008-10-01 | |||
| CN101326402A | 2008-12-17 | |||
| CN200972751Y | 2007-11-07 | |||
| CN200969192Y | 2007-10-31 | |||
| CN100466028C | 2009-03-04 | |||
| US20050200262A1 | 2005-09-15 |
Attorney, Agent or Firm:
HYLANDS LAW FIRM (Hanwei PlazaNo. 7 Guanghua Road, Chaoyang District, Beijing 4, CN)
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