Title:
COMBINED SURFACE LIGHT SOURCE DIFFUSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/033630
Kind Code:
A1
Abstract:
A combined surface light source diffusion device, relating to the technical field of light source diffusion devices, and comprising an optical diffusion plate (1), wherein a light guide cover (2) is provided at the periphery of the optical diffusion plate (1); the light guide cover (2) located at the periphery of the light exit surface of the optical diffusion plate (1) is a speaker-shaped structure; an included angle between the inner wall of the speaker-shaped structure and the horizontal plane is 10-45 degrees; the distance from the light exit surface of the optical diffusion plate (1) to the end surface of the light outlet of the light guide cover (2) is 20-100 mm. The preset invention aims to provide a combined surface light source diffusion device which has a compact structure, is convenient to assemble, and achieve a good use effect. The combined surface light source diffusion device is used for light source irradiation diffusion and dodging.
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Inventors:
CHEN ZHIFENG (CN)
CHEN TING (CN)
CHEN CHAO (CN)
JIANG BO (CN)
CHEN TING (CN)
CHEN CHAO (CN)
JIANG BO (CN)
Application Number:
PCT/CN2017/115177
Publication Date:
February 21, 2019
Filing Date:
December 08, 2017
Export Citation:
Assignee:
MEIZHOU JIANGNAN ELECTRIC APPLIANCE CO LTD (CN)
International Classes:
F21V5/02; F21V8/00; F21V17/12
Foreign References:
| CN203421586U | 2014-02-05 | |||
| CN201866610U | 2011-06-15 | |||
| CN103148450A | 2013-06-12 | |||
| CN202629707U | 2012-12-26 | |||
| CN202972683U | 2013-06-05 | |||
| CN203656635U | 2014-06-18 | |||
| US20110062868A1 | 2011-03-17 |
Attorney, Agent or Firm:
GUANGZHOU HAIXIN UNION PATENT LAW OFFICE (CN)
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