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Title:
LIGHT GUIDE PLATE AND SURFACE LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/129646
Kind Code:
A1
Abstract:
The technical objective of the present invention is to provide: a light guide plate which is capable of reducing adverse effect of a light scattering part as much as possible without causing an inappropriate increase in the weight, while assuring various good characteristics such as good bending stiffness and good weather resistance; and a surface light emitting device. A light guide plate of the present invention is provided with: a resin plate (11); glass plates (12) that are closely affixed to both surfaces of the resin plate (11), with adhesive layers (14) being respectively interposed therebetween; and a light scattering part (13) that guides the light propagating within the resin plate (11) and the glass plates (12) to the outside. The light scattering part (13) is formed on the surface of the resin plate (11) or a glass plate (12), and is covered by an adhesive layer (14).

Inventors:
HASEGAWA YOSHINORI (JP)
NODA TAKAYUKI (JP)
OKI KOJI (JP)
Application Number:
JP2014/054431
Publication Date:
August 28, 2014
Filing Date:
February 25, 2014
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO (JP)
HAYAMIZU DENKI KOGYO KABUSHIKIKAISHA (JP)
International Classes:
F21S2/00; F21Y101/02; F21Y103/00
Domestic Patent References:
WO2011152446A12011-12-08
Foreign References:
JP2003262865A2003-09-19
JP2008299117A2008-12-11
JP2012521616A2012-09-13
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
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