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1. 发明授权

US08508691B2 Optical path unit and liquid crystal display device 失效
标题翻译：光路单元和液晶显示装置
公开(公告)号：US08508691B2
公开(公告)日：2013-08-13
申请号：US13058211
申请日：2009-08-10
申请人： Tomonori Miyamoto , Motohiro Yamahara , Hiroyuki Kumasawa , Akiyoshi Kanemitsu
发明人： Tomonori Miyamoto , Motohiro Yamahara , Hiroyuki Kumasawa , Akiyoshi Kanemitsu
IPC分类号： G02F1/1335
CPC分类号： G02F1/133606 , G02B6/0053 , G02F1/133504 , G02F2001/133607
摘要： An optical path unit and a liquid crystal display device excellent in luminance in the front direction are provided. A backlight unit 2, two prism films 4a and 4b, a first polarizing plate 5, a liquid crystal cell 1 having a liquid crystal layer between a pair of substrates, and a second polarizing plate 6 are disposed in the sequence. The prism films 4a and 4b are provided with a plurality of linear prisms in parallel on a light incident surface, the linear prisms having a polygonal and tapered cross section and an endmost vertex angle of 90° to 110°. The first polarizing plate 5 and the second polarizing plate 6 are disposed such that transmission axes thereof have a crossed Nicols relationship. The prism film 4a is disposed such that the ridge lines of the linear prisms are substantially in parallel with the transmission axis of the first polarizing plate 5, and the prism film 4b is disposed such that the ridge lines of the linear prisms are substantially in parallel with the transmission axis of the second polarizing plate 6.
摘要翻译：提供光路单元和在正面方向上的亮度优异的液晶显示装置。依次设置背光单元2，两个棱镜膜4a和4b，第一偏振板5，具有一对基板之间的液晶层的液晶单元1和第二偏振板6。棱镜膜4a和4b在光入射表面上平行地设置有多个线状棱镜，所述线状棱镜具有多边形和锥形横截面，并且最终顶角为90°至110°。第一偏振片5和第二偏振片6被布置成使得其透射轴具有正交尼科尔关系。棱镜膜4a被设置成使得线状棱镜的脊线与第一偏振片5的透射轴基本平行，并且棱镜膜4b被设置成使得线性棱镜的棱线基本上平行与第二偏振板6的透射轴相对。

2. 发明申请

US20110188265A1 ILLUMINATION DEVICE 审中-公开
标题翻译：照明装置
公开(公告)号：US20110188265A1
公开(公告)日：2011-08-04
申请号：US13058233
申请日：2009-08-10
申请人： Hiroyuki Kumasawa , Akiyoshi Kanemitsu , Tomonori Miyamoto , Motohiro Yamahara
发明人： Hiroyuki Kumasawa , Akiyoshi Kanemitsu , Tomonori Miyamoto , Motohiro Yamahara
IPC分类号： F21V7/22 , F21S6/00
CPC分类号： F21V5/02 , F21Y2103/00
摘要： The luminance in the front direction is enhanced in an illumination device provided with a light source, a light diffusion means, and a light-collecting means disposed in this order. The light source 1 is provided with a rectangular parallelepiped case 12 having an opening 121 and a plurality of CCFLs 11 disposed in the case 12. A light diffusion plate 2 is mounted so as to close the opening 121 of the case 12. The light-collecting means 3 has two prism films 31 and 32 which are disposed on the light-exiting surface of the light diffusion plate 2 such that ridge lines of linear prisms are orthogonal to each other.
摘要翻译：在设置有依次设置的光源，光扩散装置和集光装置的照明装置中，前方的亮度增强。光源1设置有具有开口121和设置在壳体12中的多个CCFL11的长方体状的壳体12.安装光扩散板2以封闭壳体12的开口121。收集装置3具有两个棱镜膜31和32，它们设置在光漫射板2的光出射表面上，使得线状棱镜的脊线彼此正交。

3. 发明申请

US20110181810A1 OPTICAL PATH UNIT AND LIQUID CRYSTAL DISPLAY DEVICE 失效
标题翻译：光学路径单元和液晶显示设备
公开(公告)号：US20110181810A1
公开(公告)日：2011-07-28
申请号：US13058211
申请日：2009-08-10
申请人： Tomonori Miyamoto , Motohiro Yamahara , Hiroyuki Kumasawa , Akiyoshi Kanemitsu
发明人： Tomonori Miyamoto , Motohiro Yamahara , Hiroyuki Kumasawa , Akiyoshi Kanemitsu
IPC分类号： G02F1/1335
CPC分类号： G02F1/133606 , G02B6/0053 , G02F1/133504 , G02F2001/133607
摘要： An optical path unit and a liquid crystal display device excellent in luminance in the front direction are provided. A backlight unit 2, two prism films 4a and 4b, a first polarizing plate 5, a liquid crystal cell 1 having a liquid crystal layer between a pair of substrates, and a second polarizing plate 6 are disposed in the sequence. The prism films 4a and 4b are provided with a plurality of linear prisms in parallel on a light incident surface, the linear prisms having a polygonal and tapered cross section and an endmost vertex angle of 90° to 110°. The first polarizing plate 5 and the second polarizing plate 6 are disposed such that transmission axes thereof have a crossed Nicols relationship. The prism film 4a is disposed such that the ridge lines of the linear prisms are substantially in parallel with the transmission axis of the first polarizing plate 5, and the prism film 4b is disposed such that the ridge lines of the linear prisms are substantially in parallel with the transmission axis of the second polarizing plate 6.
摘要翻译：提供光路单元和在正面方向上的亮度优异的液晶显示装置。依次设置背光单元2，两个棱镜膜4a和4b，第一偏振板5，具有一对基板之间的液晶层的液晶单元1和第二偏振板6。棱镜膜4a和4b在光入射表面上平行地设置有多个线状棱镜，所述线状棱镜具有多边形和锥形横截面，并且最终顶角为90°至110°。第一偏振片5和第二偏振片6被布置成使得其透射轴具有正交尼科尔关系。棱镜膜4a被设置成使得线状棱镜的脊线与第一偏振片5的透射轴基本平行，并且棱镜膜4b被设置成使得线性棱镜的棱线基本上平行与第二偏振板6的透射轴相对。

4. 发明授权

US07609336B2 Liquid crystal display device 失效
标题翻译：液晶显示装置
公开(公告)号：US07609336B2
公开(公告)日：2009-10-27
申请号：US11934960
申请日：2007-11-05
申请人： Akiyoshi Kanemitsu , Motohiro Yamahara , Hiroyuki Kumasawa
发明人： Akiyoshi Kanemitsu , Motohiro Yamahara , Hiroyuki Kumasawa
IPC分类号： G02F1/1335
CPC分类号： G02F1/133606 , G02B5/0242 , G02B5/0278
摘要： The present invention provides a liquid crystal display device capable of achieving natural and high-quality color display without reddish color shift, not only when viewed in the normal direction but also when viewed obliquely.A liquid crystal display device 1 of the present invention includes a light diffuser plate 3, a light source 2 disposed on the back side of the light diffuser plate 3, and a liquid crystal panel 30 disposed on the front side of the light diffuser plate 3, wherein the light diffuser plate 3 is constituted by dispersing light diffusing particles in a transparent material, and the absolute value of a difference Δn in the refractive index between the transparent material and the light diffusing particles and a 50% cumulative particle diameter D50 (μm) of the light diffusing particles satisfy a relation 0.01≦Δn×D50≦0.25 or 0.61≦Δn×D50≦0.75.
摘要翻译：本发明提供一种液晶显示装置，不仅在从正常方向观察时，而且在倾斜观察时，能够实现无偏色变化的自然色彩和高品质彩色显示。本发明的液晶显示装置1包括：光漫射板3，设置在光扩散板3的背面的光源2;以及配置在光漫射板3的前侧的液晶面板30 其特征在于，所述光扩散板3通过将透光材料中的光漫射粒子分散，透明材料与光漫射粒子的折射率之差Δttan的绝对值和50％的累积粒径D50 ）满足0.01 <= DeltanxD50 <= 0.25或0.61 <= DeltanxD50 <= 0.75的关系。

5. 发明申请

US20080106679A1 LIQUID CRYSTAL DISPLAY DEVICE 失效
标题翻译：液晶显示装置
公开(公告)号：US20080106679A1
公开(公告)日：2008-05-08
申请号：US11934960
申请日：2007-11-05
申请人： Akiyoshi KANEMITSU , Motohiro Yamahara , Hiroyuki Kumasawa
发明人： Akiyoshi KANEMITSU , Motohiro Yamahara , Hiroyuki Kumasawa
IPC分类号： G02F1/1335
CPC分类号： G02F1/133606 , G02B5/0242 , G02B5/0278
摘要： The present invention provides a liquid crystal display device capable of achieving natural and high-quality color display without reddish color shift, not only when viewed in the normal direction but also when viewed obliquely.A liquid crystal display device 1 of the present invention includes a light diffuser plate 3, a light source 2 disposed on the back side of the light diffuser plate 3, and a liquid crystal panel 30 disposed on the front side of the light diffuser plate 3, wherein the light diffuser plate 3 is constituted by dispersing light diffusing particles in a transparent material, and the absolute value of a difference Δn in the refractive index between the transparent material and the light diffusing particles and a 50% cumulative particle diameter D50 (μm) of the light diffusing particles satisfy a relation 0.01≦Δn×D50≦0.25 or 0.61≦Δn×D50≦0.75.
摘要翻译：本发明提供一种液晶显示装置，不仅在从正常方向观察时，而且在倾斜观察时，能够实现无偏色变化的自然色彩和高品质彩色显示。本发明的液晶显示装置1包括：光漫射板3，设置在光扩散板3的背面的光源2;以及配置在光漫射板3的前侧的液晶面板30 其特征在于，所述光漫射板3通过将透光材料中的光漫射粒子分散，透明材料与光漫射粒子的折射率之差Deltan的绝对值和50％的累积粒径D _{50（mum）的光漫射粒子满足关系式0.01 <=ΔN×D <50 <= 0.25或0.61 <=ΔN×D <50 <= 0.75。}

6. 发明申请

US20120044440A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20120044440A1
公开(公告)日：2012-02-23
申请号：US13260883
申请日：2010-03-29
申请人： Motohiro Yamahara , Akiyoshi Kanemitsu , Tomonori Miyamoto
发明人： Motohiro Yamahara , Akiyoshi Kanemitsu , Tomonori Miyamoto
IPC分类号： G02F1/1335
CPC分类号： G02F1/133504 , G02B5/0221 , G02B5/0242 , G02B5/0278 , G02F1/133606 , G02F2001/133607
摘要： A liquid crystal display device provided with a back light device can relieve lamp images without lowering the utilization efficiency of the light emitted from the back light device.A liquid crystal display device 100, comprising, in sequence: a back light device 2; a first light diffusing plate 3; prism sheets 4a and 4b; a first polarizing plate 5; a liquid crystal cell 1; a second polarizing plate 6; and a second light diffusing plate 7, wherein the first polarizing plate 5 and the second polarizing plate 6 are arranged so that absorption axes thereof are in crossed Nicol relation, wherein the first light diffusing plate 3 has a characteristic that, when parallel light is made incident from the back face of the first light diffusing plate 3 in the direction of the perpendicular of the back face, the ratio (I20/I0) between the intensity (I20) of the transmitted light emitted in the direction forming an angle of 20° with respect to the direction of the perpendicular, and the intensity (I0) of the transmitted light emitted in the direction forming an angle of 0° with respect to the direction of the perpendicular is 30% or less, and the second light diffusing plate 7 has a light diffusing layer 72 comprising a translucent resin 721 and translucent fine particles 722 dispersed in the translucent resin 721.
摘要翻译：设置有背光装置的液晶显示装置可以减轻灯图像而不降低从背光装置发射的光的利用效率。液晶显示装置100，依次包括背光装置2; 第一光漫射板3; 棱镜片4a和4b; 第一偏振板5; 液晶单元1; 第二偏振板6; 以及第二光扩散板7，其中第一偏振片5和第二偏振片6被布置成使其吸收轴处于正交尼科耳关系，其中第一光漫射板3具有当制成平行光时的特征从第一光漫射板3的背面沿着背面的垂直方向入射，在形成角度为20°的方向上发射的透射光的强度（I20）之间的比（I20 / I0）并且相对于垂直方向成为0°角的方向发射的透射光的强度（I0）为30％以下，第二光扩散板7 具有包含半透明树脂721的散光层72和分散在半透明树脂721中的半透明细颗粒722。

7. 发明申请

US20130044278A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20130044278A1
公开(公告)日：2013-02-21
申请号：US13580846
申请日：2011-02-23
申请人： Akiyoshi Kanemitsu , Tomonori Miyamoto , Motohiro Yamahara , Yasuhiro Haba
发明人： Akiyoshi Kanemitsu , Tomonori Miyamoto , Motohiro Yamahara , Yasuhiro Haba
IPC分类号： G02F1/13357
CPC分类号： G02F1/133606 , G02B6/0051 , G02B6/0053 , G02B6/0056 , G02B6/008 , G02F1/133504 , G02F2001/133507
摘要： In a liquid crystal display device, display with a wide viewing angle and high color reproducibility is achieved and superior contrast is obtained. In addition, a viewing angle is enlarged without using a retarder. The liquid crystal display device comprises a liquid crystal cell 1, a backlight device 2, a first light diffusing layer 3, a first polarizer 4, and a second light diffusing layer 5. The first light diffusing layer 3 comprises a light diffusing plate 31 and a prism sheet 32. The first light diffusing layer 3 has light distribution characteristics such that a luminance value in a direction of 70 degrees with respect to a normal of a light incidence plane of the liquid crystal cell is 20% or less with respect to a luminance value in a direction of the normal. The second light diffusing layer 5 comprises a second polarizer 51 and a light diffusing membrane 52. In addition, the backlight device 2 is divided into a plurality of regions and is capable of controlling luminance per region.
摘要翻译：在液晶显示装置中，实现了具有宽视角和高色彩再现性的显示器，并且获得了优异的对比度。此外，不使用延迟器就可以扩大视角。液晶显示装置包括液晶单元1，背光装置2，第一光漫射层3，第一偏振片4和第二光漫射层5.第一光漫射层3包括光漫射板31和第一光漫射层3具有使得相对于液晶单元的光入射面的法线的70度方向的亮度值相对于液晶单元的光入射面的亮度值为20％以下的光分布特性正常方向的亮度值。第二光扩散层5包括第二偏振片51和光散射膜52.此外，背光装置2被划分为多个区域，并且能够控制每个区域的亮度。

8. 发明申请

US20120026428A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20120026428A1
公开(公告)日：2012-02-02
申请号：US13260867
申请日：2010-03-29
申请人： Motohiro Yamahara , Akiyoshi Kanemitsu , Tomonori Miyamoto
发明人： Motohiro Yamahara , Akiyoshi Kanemitsu , Tomonori Miyamoto
IPC分类号： G02F1/1335
CPC分类号： G02B5/0221 , G02B5/0242 , G02B27/30 , G02F1/133504 , G02F1/133606
摘要： A liquid crystal display device provided with a back light device can relieve lamp images without lowering the utilization efficiency of the light emitted from the back light device.A liquid crystal display device 100, comprising, in sequence: a back light device 2; a first light diffusing plate 3; prism sheets 4a and 4b; a first polarizing plate 5; a liquid crystal cell 1; a second polarizing plate 6; and a second light diffusing plate 7, wherein the first polarizing plate 5 and the second polarizing plate 6 are arranged so that absorption axes thereof are in crossed Nicol relation, wherein the first light diffusing plate 3 has a characteristic that, when parallel light is made incident from the back face of the first light diffusing plate 3 in the direction of the perpendicular of the back face, the ratio (I20/I0) between the intensity (I20) of the transmitted light emitted in the direction forming an angle of 20° with respect to the direction of the perpendicular, and the intensity (I0) of the transmitted light emitted in the direction forming an angle of 0° with respect to the direction of the perpendicular is 75% or more, and the second light diffusing plate 7 has a light diffusing layer 72 comprising a translucent resin 721 and translucent fine particles 722 dispersed in the translucent resin 721.
摘要翻译：设置有背光装置的液晶显示装置可以减轻灯图像而不降低从背光装置发射的光的利用效率。液晶显示装置100，依次包括背光装置2; 第一光漫射板3; 棱镜片4a和4b; 第一偏振板5; 液晶单元1; 第二偏振板6; 以及第二光扩散板7，其中第一偏振片5和第二偏振片6被布置成使其吸收轴处于正交尼科耳关系，其中第一光漫射板3具有当制成平行光时的特征从第一光漫射板3的背面沿着背面的垂直方向入射，在形成角度为20°的方向上发射的透射光的强度（I20）之间的比（I20 / I0）相对于垂直方向的角度为0°的方向发射的透射光的强度（I0）为75％以上，第二光扩散板7 具有包含半透明树脂721的散光层72和分散在半透明树脂721中的半透明细颗粒722。

9. 发明申请

US20130057806A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20130057806A1
公开(公告)日：2013-03-07
申请号：US13600368
申请日：2012-08-31
申请人： Akiyoshi Kanemitsu , Tomonori Miyamoto , Motohiro Yamahara , Yasuhiro Haba
发明人： Akiyoshi Kanemitsu , Tomonori Miyamoto , Motohiro Yamahara , Yasuhiro Haba
IPC分类号： G02F1/1337
CPC分类号： G02F1/133603 , G02F1/133606 , G02F2001/133601
摘要： The liquid crystal display device includes a liquid crystal cell, a backlight device, a first light diffusing layer, a first polarizer, and a second light diffusing layer. The first light diffusing layer includes a light diffusing plate and a prism sheet, and has light distribution characteristics such that a luminance value in a direction of 70 degrees with respect to a normal of a light incidence plane of the liquid crystal cell is 20% or less with respect to a luminance value in a direction of the normal. The second light diffusing layer includes a second polarizer and a light diffusing membrane. The backlight device is divided into a plurality of regions and is capable of controlling luminance per region.
摘要翻译：液晶显示装置包括液晶单元，背光装置，第一光漫射层，第一偏振器和第二光漫射层。第一光散射层包括光漫射板和棱镜片，并且具有使得相对于液晶单元的光入射面的法线在70度方向上的亮度值为20％的光分布特性或相对于法线方向的亮度值较少。第二光漫射层包括第二偏振器和光漫射膜。背光装置被分成多个区域，并且能够控制每个区域的亮度。

10. 发明申请

US20080129922A1 TRANSMISSION TYPE DISPLAY APPARATUS 审中-公开
标题翻译：传输类型显示设备
公开(公告)号：US20080129922A1
公开(公告)日：2008-06-05
申请号：US11938934
申请日：2007-11-13
申请人： Akiyoshi Kanemitsu , Motohiro Yamahara
发明人： Akiyoshi Kanemitsu , Motohiro Yamahara
IPC分类号： G02F1/13357
CPC分类号： G02F1/133604 , G02F1/133504 , G02F2001/133562 , G02F2001/133607
摘要： The present invention provides a transmission type display apparatus (4) capable of maintaining uniform and high luminance with a smaller number of light sources (21, 22, . . . ).The transmission type display apparatus (4) of the present invention comprises a transmission type liquid crystal display panel (5) and a surface emission light source device (1) that illuminates the transmission type liquid crystal display panel (5) with illuminating light (F1) from behind thereof, wherein the surface emission light source device emits collimated light (F1) toward the front side in the normal direction (a) over the entire surface, and a light diffusing part (7) is disposed on the front side of the transmission type liquid crystal display panel (5) for transmitting incident light (F2), that enters on the back surface thereof, while diffusing the light (F2) isotropically.
摘要翻译：本发明提供一种能够以更少数量的光源（21,22 ...）保持均匀和高亮度的透射型显示装置（4）。本发明的透射型显示装置（4）包括透射型液晶显示面板（5）和用发光（F）照射透射型液晶显示面板（5）的表面发射光源装置（1） 1），其中表面发射光源装置在整个表面上朝向法线方向（a）的前侧发射准直光（F 1），并且光扩散部（7）设置在前侧在各向同性地扩散光（F 2）的同时在其背面透射入射光（F 2）的透射型液晶显示面板（5）。

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