Title:
LED SURFACE LIGHT-EMITTING DEVICE FOR EASY SHIELDING, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2013/100583
Kind Code:
A1
Abstract:
The present invention relates to an LED surface light-emitting device for easy shielding, and a manufacturing method thereof, and includes: an integrated type rear-surface case part having an accommodation space portion open toward the front surface portion thereof, wherein a substrate equipped with LEDs is accommodated in the accommodation space portion; a diffusion panel which covers the open front surface portion of the rear-surface case part, and diffuses light of the LEDs to be a surface light source; and a front-surface window frame, the rear surface of which is coupled to the boundary of the front surface portion of the rear-surface case part, with the diffusion panel located on the rear-surface case part. The present invention is configured as a single body without openings to prevent dust and insects from coming therein, and thus can prevent brightness from decreasing according to use.
Inventors:
KIM DUK YONG (KR)
Application Number:
PCT/KR2012/011493
Publication Date:
July 04, 2013
Filing Date:
December 26, 2012
Export Citation:
Assignee:
KMW INC (KR)
International Classes:
F21V15/01; F21V17/00
Foreign References:
| KR20110022450A | 2011-03-07 | |||
| KR20090028915A | 2009-03-20 | |||
| US8066407B2 | 2011-11-29 | |||
| KR101069726B1 | 2011-10-04 | |||
| JP3147577U | ||||
| KR20100127392A | 2010-12-06 |
Other References:
See also references of EP 2801755A4
Attorney, Agent or Firm:
BAE, Chul Woo et al. (KR)
배철우 (KR)
배철우 (KR)
Download PDF:
Claims: