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Title:
LIGHT DIFFUSION SHEET, METHOD FOR MANUFACTURING LIGHT DIFFUSION SHEET AND LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2011075890
Kind Code:
A
Abstract:

To provide a light diffusion sheet having high light diffusion and high light transmission.

The light diffusion sheet contains polystyrene resin, with number of bubbles per cm2 of a sheet face of 1×107, and a thickness of 0.3-1.0 mm.


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Inventors:
KOBAYASHI HIRONORI
KAWAMORITA SHOSUKE
KIMURA KAZUMA
Application Number:
JP2009227986A
Publication Date:
April 14, 2011
Filing Date:
September 30, 2009
Export Citation:
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Assignee:
SEKISUI PLASTICS
International Classes:
G02B5/02; B29C48/32; F21V3/00; F21V3/04; B29K25/00; B29K105/04; B29L7/00
Domestic Patent References:
JP2002116306A2002-04-19
JP2006276838A2006-10-12
JP2007261071A2007-10-11
JP2004271568A2004-09-30
JP2008058958A2008-03-13
Foreign References:
WO2007007852A12007-01-18
Attorney, Agent or Firm:
Noboru Fujimoto
Seiichi Yakumaru
Hiroaki Nakatani
Yuichi Koyama



 
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