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Title:
LIGHT-DIFFUSING POLYCARBONATE RESIN COMPOSITION
Document Type and Number:
Japanese Patent JP2010229193
Kind Code:
A
Abstract:

To provide a light-diffusing resin composition useful as a material of a member composed of a light-diffusing molded article, for example, a cover or a lens for various displays where an LED is used, a lens cover, an illumination cover, a lighting signboard, a transmission screen, various displays, a light-diffusing sheet of a liquid crystal display device, a light guide plate, and the like.

The light-diffusing polycarbonate resin composition contains a polycarbonate resin (A) and polymer fine particles (B) having a refractive index different from that of the polycarbonate resin by 0.01-0.08 and having an average particle size of 5-20 μm, where the polymer fine particles are contained in the polycarbonate resin so that the compounding factor, represented by the product of an average particle size (μm) and the content (mass%) of the polymer fine particle, is 6.2-11.8.


Inventors:
SASAKI KAZUO
Application Number:
JP2009075342A
Publication Date:
October 14, 2010
Filing Date:
March 26, 2009
Export Citation:
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Assignee:
MITSUBISHI ENG PLASTICS CORP
International Classes:
C08L69/00; C08L25/14; C08L33/00; C08L101/12; G02B5/02
Domestic Patent References:
JP2006342246A2006-12-21
JP2008189804A2008-08-21
JPH04382148A
JP2007114331A2007-05-10
JP2007023227A2007-02-01
JPH04279668A1992-10-05
JPH07234304A1995-09-05
JPH0632973A1994-02-08
JP2001214049A2001-08-07
JP2005247999A2005-09-15