Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
EDGE LIGHT SURFACE LIGHT EMISSION DIMMER
Document Type and Number:
Japanese Patent JP2014067525
Kind Code:
A
Abstract:

To provide an edge light surface light emission dimmer that can exhibit the desired light shading function.

An edge light surface light emission dimmer includes at least a resin light guide plate 2 having a rectangular shape in plan view; light sources 3A, 3B arranged along end faces 2A, 2B of the light guide plate 2; a housing body 4 that surrounds and supports a peripheral edge of the light guide plate 2 and the light sources 3A, 3B; and an irregular reflection layer 5 arranged on one surface 2W of the light guide plate 2; where light of the light sources 3A, 3B enters from the end faces 2A, 2B of the light guide plate 2 and is reflected in the light guide plate 2, and exits from surfaces 2X, 2W on both sides orthogonal to the end faces 2A, 2B of the light guide plate 2.


Inventors:
TANIGUCHI KAZUNORI
INOMATA HIROSHI
MURASE SHINZO
IWASAKI KATSUHIKO
Application Number:
JP2012210748A
Publication Date:
April 17, 2014
Filing Date:
September 25, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO CHEMICAL CO
KOIZUMI LIGHTING TECH CORP
DAIWA HOUSE IND
International Classes:
F21S2/00; E04B2/74; E06B7/28; F21V33/00; F21Y101/02; F21Y103/00
Domestic Patent References:
JP2009238733A2009-10-15
JP2010251050A2010-11-04
JP2012074404A2012-04-12
JP2011191751A2011-09-29
Attorney, Agent or Firm:
Hiroshi Yamazaki
Mitsuo Tanaka
Yasushi Ohata
Yukino Okunishi



 
Previous Patent: SURFACE LIGHT SOURCE DEVICE AND TRANSPARENT TYPE DISPLAY DEVICE

Next Patent: ELECTRON MICROSCOPE AND ELECTRON BEAM DETECTOR