公开(公告)号：US07674506B2

公开(公告)日：2010-03-09

申请号：US10559818

申请日：2004-06-16

申请人： Isao Sogo ,  Masato Ando ,  Mitsuhiro Takeo ,  Koji Maeda ,  Masanao Jinno

发明人： Isao Sogo ,  Masato Ando ,  Mitsuhiro Takeo ,  Koji Maeda ,  Masanao Jinno

IPC分类号： G02F1/1335

CPC分类号： G02B5/0242 ,  C08L69/00 ,  G02B5/0278 ,  G02F1/133606 ,  G02F2001/133607 ,  G02F2001/133614 ,  G02F2201/086 ,  G02F2201/50 ,  G02F2203/60 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/25 ,  Y10T428/254 ,  Y10T428/26 ,  C08L2666/02

摘要： There is provided a direct backlight type liquid crystal display device having high light diffusability, keeping excellent color and having high brightness.The direct backlight type liquid crystal display device comprises: a backlight source, a light diffusion sheet which may have a protective film on a surface thereof which faces the backlight source or both surfaces thereof as desired, a light ray adjusting film, and a liquid crystal panel, wherein the light diffusion sheet is formed from a composition comprising predetermined amounts of (C) at least one heat stabilizer (component C) selected from the group consisting of a phosphate compound (component C-1), a phosphate compound (component C-2) and a phosphonite compound (component C-3), (D) an ultraviolet absorber (component D) and (E) a fluorescent whitening agent (component E), based on 100 parts by weight of the total of (A) an aromatic polycarbonate resin (component A) and (B) polymeric fine particles (component B) having an average particle diameter of 0.01 to 50 μm.

摘要翻译： 提供了具有高光扩散性，保持优异的颜色和高亮度的直接背光式液晶显示装置。 直接背光式液晶显示装置包括：背光源，可以根据需要在面向背光源或其两个表面的表面上具有保护膜的光扩散片，光线调节膜和液晶 其特征在于，所述光扩散片由含有规定量的（C）至少一种选自磷酸酯化合物（成分C-1），磷酸酯化合物（成分C -2）和基于（A）总计100重量份的亚磷酸酯化合物（组分C-3），（D）紫外线吸收剂（D成分）和（E）荧光增白剂（组分E） 芳香族聚碳酸酯树脂（A成分）和（B）平均粒径为0.01〜50μm的聚合物微粒（B成分）。

公开(公告)号：US20060146228A1

公开(公告)日：2006-07-06

申请号：US10559818

申请日：2004-06-16

申请人： Isao Sogo ,  Masato Ando ,  Mitsuhiro Takeo ,  Koji Maeda ,  Masanao Jinno

发明人： Isao Sogo ,  Masato Ando ,  Mitsuhiro Takeo ,  Koji Maeda ,  Masanao Jinno

IPC分类号： G02F1/1335 ,  G02B27/10 ,  G01D11/28

CPC分类号： G02B5/0242 ,  C08L69/00 ,  G02B5/0278 ,  G02F1/133606 ,  G02F2001/133607 ,  G02F2001/133614 ,  G02F2201/086 ,  G02F2201/50 ,  G02F2203/60 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/25 ,  Y10T428/254 ,  Y10T428/26 ,  C08L2666/02

摘要： There is provided a direct backlight type liquid crystal display device having high light diffusability, keeping excellent color and having high brightness. The direct backlight type liquid crystal display device is a direct backlight type liquid crystal display device comprising: a backlight source, a light diffusion sheet which may have a protective film on a surface thereof which faces the backlight source or both surfaces thereof as desired, a light ray adjusting film, and a liquid crystal panel, wherein the light diffusion sheet is formed from a composition comprising predetermined amounts of (C) at least one heat stabilizer (component C) selected from the group consisting of a phosphate compound (component C-1), a phosphate compound (component C-2) and a phosphonite compound (component C-3), (D) an ultraviolet absorber (component D) and (E) a fluorescent whitening agent (component E), based on 100 parts by weight of the total of (A) an aromatic polycarbonate resin (component A) and (B) polymeric fine particles (component B) having an average particle diameter of 0.01 to 50 μm.

摘要翻译： 提供了具有高光扩散性，保持优异的颜色和高亮度的直接背光式液晶显示装置。 直接背光式液晶显示装置是直接背光式液晶显示装置，其包括：背光源，可以根据需要在面向背光源或其两个表面的表面上具有保护膜的光扩散片， 光调制膜和液晶面板，其中，光漫射片由包含预定量的（C）至少一种热稳定剂（组分C）的组合物形成，所述热稳定剂（组分C）选自磷酸盐化合物（组分C- 1），磷酸酯化合物（C-2成分）和亚膦酸酯化合物（C-3成分），（D）紫外线吸收剂（D成分）和（E）荧光增白剂（E成分） （A）芳族聚碳酸酯树脂（组分A）和（B）平均粒径为0.01至50μm的聚合物细颗粒（组分B）的总重量。

公开(公告)号：US06798572B2

公开(公告)日：2004-09-28

申请号：US10680189

申请日：2003-10-08

申请人： Masanao Jinno ,  Masayoshi Miyauchi ,  Makoto Honda ,  Michihisa Ide

发明人： Masanao Jinno ,  Masayoshi Miyauchi ,  Makoto Honda ,  Michihisa Ide

IPC分类号： G03B2160

CPC分类号： B29C43/222 ,  B29C59/04 ,  B29C2043/463 ,  B29D11/00278 ,  B29L2011/005 ,  G03B21/56

摘要： A transmission screen sheet which is given a large number of lens-like forms on the surface like ridges and has a thickness of 0.1 to 2.0 mm, wherein (i) the sheet is formed from a thermoplastic resin whose inclination (W) obtained from the relationship between melt viscosity (Y) and load (X) satisfies the following expression (1) when the melt viscosity is in the range of 102 to 103 Pa·s, and (i) the lens-like forms change in height substantially non-stepwise from the center portion or a portion near the center portion to the end portions of the sheet in a direction perpendicular to the ridges: 2×10−2≦W≦6×10−2  (1) wherein W is represented by the following equation: W=−(log Y/X) wherein X is a load (MPa) and Y is the melt viscosity (Pa·s) of the resin.

摘要翻译： 一种在脊状表面上具有大量透镜状形状的透光性筛板，其厚度为0.1〜2.0mm，其特征在于，（i）所述片材由热塑性树脂形成，所述热塑性树脂的倾斜度（W）由 熔体粘度（Y）和载荷（X）之间的关系满足下列表达式（1），当熔体粘度在10 -2至10 3 Pa.s范围内时，（i）透镜状形式 从垂直于脊的方向的中心部分或靠近中心部分的部分到片的端部基本上非逐步地改变高度：其中W由下式表示：其中X是负载（MPa） Y是树脂的熔融粘度（Pa.s）。