JP2006030839A5 - - Google Patents

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Publication number
JP2006030839A5
JP2006030839A5 JP2004212692A JP2004212692A JP2006030839A5 JP 2006030839 A5 JP2006030839 A5 JP 2006030839A5 JP 2004212692 A JP2004212692 A JP 2004212692A JP 2004212692 A JP2004212692 A JP 2004212692A JP 2006030839 A5 JP2006030839 A5 JP 2006030839A5
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JP
Japan
Prior art keywords
diffusing plate
light diffusing
resin
polycarbonate resin
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004212692A
Other languages
Japanese (ja)
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JP2006030839A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004212692A priority Critical patent/JP2006030839A/en
Priority claimed from JP2004212692A external-priority patent/JP2006030839A/en
Publication of JP2006030839A publication Critical patent/JP2006030839A/en
Publication of JP2006030839A5 publication Critical patent/JP2006030839A5/ja
Pending legal-status Critical Current

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Claims (3)

粒子状樹脂を添加したポリカーボネート樹脂から成る光拡散板であって、該光拡散板が該ポリカーボネート樹脂１００重量部に対して粒子状樹脂を１重量部添加した際の拡散度（Ｄ５０）が２５〜３５である粒子状樹脂とポリカーボネート樹脂とから成り、該粒子状樹脂が該粒子状樹脂の添加量（重量部）に対する拡散度（Ｄ５０）の比が８〜３５であるような添加量で添加されたことを特徴とするポリカーボネート樹脂製光拡散板。 A light diffusing plate made of a polycarbonate resin to which a particulate resin is added, wherein when the light diffusing plate adds 1 part by weight of the particulate resin to 100 parts by weight of the polycarbonate resin, the diffusivity (D50) is 25 to 25 35, which is composed of a particulate resin and a polycarbonate resin, and is added in such an amount that the ratio of the diffusivity (D50) to the added amount (parts by weight) of the particulate resin is 8 to 35. A polycarbonate resin light diffuser. 更に難燃剤が添加された請求項１に記載の光拡散板。 The light diffusing plate according to claim 1, further comprising a flame retardant. 液晶ディスプレイ用直下型バックライト用である請求項１又は２に記載の光拡散板。 The light diffusing plate according to claim 1 , wherein the light diffusing plate is for a direct type backlight for a liquid crystal display.
JP2004212692A 2004-07-21 2004-07-21 Polycarbonate resin light diffusion plate Pending JP2006030839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004212692A JP2006030839A (en) 2004-07-21 2004-07-21 Polycarbonate resin light diffusion plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004212692A JP2006030839A (en) 2004-07-21 2004-07-21 Polycarbonate resin light diffusion plate

Publications (2)

Publication Number Publication Date
JP2006030839A JP2006030839A (en) 2006-02-02
JP2006030839A5 true JP2006030839A5 (en) 2007-04-26

Family

ID=35897222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004212692A Pending JP2006030839A (en) 2004-07-21 2004-07-21 Polycarbonate resin light diffusion plate

Country Status (1)

Country Link
JP (1) JP2006030839A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI386448B (en) * 2007-01-26 2013-02-21 Rohm & Haas Light-scattering compositions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0632973A (en) * 1992-07-21 1994-02-08 Mitsubishi Gas Chem Co Inc Light-scattering polycarbonate resin composition
JPH09279000A (en) * 1996-04-11 1997-10-28 Teijin Chem Ltd Light-diffusing plate for transmitted manuscript-reading unit of image treating device
JPH09304606A (en) * 1996-05-15 1997-11-28 Mitsubishi Plastics Ind Ltd Light diffusing prism sheet
JP2004126185A (en) * 2002-10-02 2004-04-22 Teijin Chem Ltd Optical diffusion plate for vertical back light made of polycarbonate resin for large-sized liquid crystal display device

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