Title:
SURFACE LIGHT EMITTING DEVICE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/008797
Kind Code:
A1
Abstract:
An optical member (13) is provided on a surface of a diffusion plate (14), said surface facing an LED (11), so that the optical member (13) faces the LED (11), and comprises at least one prism (13a) that protrudes from the diffusion plate (14) toward the LED (11). The width of the prism (13a) decreases toward the LED (11).
Inventors:
TANAKA SHIGENORI
HIRAYAMA YOSHINOBU
YANAGI TOSHIHIRO
HIRAYAMA YOSHINOBU
YANAGI TOSHIHIRO
Application Number:
PCT/JP2012/067521
Publication Date:
January 17, 2013
Filing Date:
July 09, 2012
Export Citation:
Assignee:
SHARP KK (JP)
TANAKA SHIGENORI
HIRAYAMA YOSHINOBU
YANAGI TOSHIHIRO
TANAKA SHIGENORI
HIRAYAMA YOSHINOBU
YANAGI TOSHIHIRO
International Classes:
F21S2/00; F21V5/02; G02F1/13357; F21Y101/02
Foreign References:
| JP2010040236A | 2010-02-18 | |||
| JP2008166057A | 2008-07-17 | |||
| JP2008300222A | 2008-12-11 | |||
| JP2007080595A | 2007-03-29 | |||
| JP2007194214A | 2007-08-02 | |||
| JP2001066547A | 2001-03-16 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
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