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公开(公告)号：US08508691B2
公开(公告)日：2013-08-13
申请号：US13058211
申请日：2009-08-10
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。
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公开(公告)号：US20110181810A1
公开(公告)日：2011-07-28
申请号：US13058211
申请日：2009-08-10
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。
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公开(公告)号：US20130044278A1
公开(公告)日：2013-02-21
申请号：US13580846
申请日：2011-02-23
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。
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公开(公告)号：US20120026428A1
公开(公告)日：2012-02-02
申请号：US13260867
申请日：2010-03-29
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。
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公开(公告)号：US20130057806A1
公开(公告)日：2013-03-07
申请号：US13600368
申请日：2012-08-31
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。
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公开(公告)号：US20120044440A1
公开(公告)日：2012-02-23
申请号：US13260883
申请日：2010-03-29
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。
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公开(公告)号：US20110188265A1
公开(公告)日：2011-08-04
申请号：US13058233
申请日：2009-08-10
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。
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公开(公告)号：US20110279752A1
公开(公告)日：2011-11-17
申请号：US13141273
申请日：2009-12-18
IPC分类号： G02F1/13357 , G02B5/02 , G02F1/1335
CPC分类号： G02B5/02 , G02B5/0242 , G02B5/0278 , G02F1/133504
摘要： The present invention provides an optical film which is capable of impeding the occurrence of a failure of display quality at wide view angles, impeding the occurrence of the degradation of the front contrast, achieving a high transmission image definition, and impeding the occurrence of scintillation, and a liquid crystal display device comprising the same. On a substrate film 71, an anti-glare layer 72 in which translucent fine particles 722 are dispersed and mixed in a translucent resin 721 is laminated. The average particle size of the translucent fine particles 722 is set at 0.5 μm or more and less than 5 μm, and the content of the translucent fine particles 722 is set at 35 parts by weight or more and 60 parts by weight or less in relation to 100 parts by weight of the translucent resin. The layer thickness of the anti-glare layer 72 is set at one or more and three or less times the average particle size of the translucent fine particles 722. It is preferable to make the refractive index of the translucent fine particles 722 larger than the refractive index of the translucent resin 721, and the difference between the refractive index of the translucent fine particles 722 and the refractive index of the translucent resin 721 is preferably 0.04 or more and 0.1 or less.
摘要翻译： 本发明提供一种光学膜，其能够阻止在宽视角下的显示质量的故障的发生，妨碍前方对比度的劣化的发生，实现高透射图像定义，并且阻止闪烁的发生， 以及包括该液晶显示装置的液晶显示装置。 在基板膜71上层叠透光性树脂721中分散有半透明微粒722的防眩层72。 半透明微粒722的平均粒径设定为0.5μm以上且小于5μm，半透明微粒722的含量相对于35重量份以上为60重量份以下 至100重量份的半透明树脂。 防眩层72的层厚设定为半透明微粒722的平均粒径的一倍以上且三倍以下。优选使半透明微粒722的折射率大于折射率 半透明树脂721的折射率，半透明微粒722的折射率与透光性树脂721的折射率之差优选为0.04以上且0.1以下。
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公开(公告)号：US20110273644A1
公开(公告)日：2011-11-10
申请号：US13141238
申请日：2009-12-18
IPC分类号： G02F1/1335
CPC分类号： G02B5/02 , G02B5/0242 , G02B5/0278 , G02F1/133502
摘要： The present invention provides a liquid crystal display device comprising an optical film capable of impeding the occurrence of a failure of display quality at wide view angles, enhancing the front contrast and the transmission image definition, and impeding the occurrence of scintillation. On a substrate film 71, an anti-glare layer 72 in which translucent fine particles 722 are dispersed and mixed in a translucent resin 721 is laminated. The average particle size of the translucent fine particles 722 is set at 5 μm or more and less than 20 μm, and the content of the translucent fine particles 722 is set at 25 parts by weight or more and 50 parts by weight or less in relation to 100 parts by weight of the translucent resin. The layer thickness of the anti-glare layer 72 is set at one or more and three or less times the average particle size of the translucent fine particles 722. It is preferable to make the refractive index of the translucent fine particles 722 larger than the refractive index of the translucent resin 721, and the difference between the refractive index of the translucent fine particles 722 and the refractive index of the translucent resin 721 is preferably 0.04 or more and 0.1 or less.
摘要翻译： 本发明提供一种液晶显示装置，其具备能够抑制在宽视角下出现显示质量不良的光学膜，增强前方对比度和透射图像的定义，并且阻止发生闪烁。 在基板膜71上层叠透光性树脂721中分散有半透明微粒722的防眩层72。 半透明微粒722的平均粒径设定为5μm以上且小于20μm，半透明微粒722的含量为25重量份以上且50重量份以下 至100重量份的半透明树脂。 防眩层72的层厚设定为半透明微粒722的平均粒径的一倍以上且三倍以下。优选使半透明微粒722的折射率大于折射率 半透明树脂721的折射率，半透明微粒722的折射率与透光性树脂721的折射率之差优选为0.04以上且0.1以下。
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公开(公告)号：US20140009960A1
公开(公告)日：2014-01-09
申请号：US14002226
申请日：2012-02-29
IPC分类号： F21V8/00
CPC分类号： G02B6/0055 , G02B6/0046 , G02B6/0053
摘要： In the case where, at first to fourth azimuths being angles of 0°, 45°, 90°, and 135° with respect to a second direction from a light source (13) to a light guide plate (12) of the surface emitting part in a plane perpendicular to a first direction from the surface emitting part to the light deflecting layer, luminance is measured at a predetermined distance from a measurement target point on a light exit surface of the surface emitting part in ranges of vision of −40° to +40°, −60° to −74°, and +60° to +74° with respect to the first direction, all luminance values in the range of vision of −40° to +40° at the first to fourth azimuths are not more than 40% of a maximum of luminance values in the ranges of vision of −60° to −74° and +60° to +74° at the first to fourth azimuths.
摘要翻译： 在第一至第四方位角相对于从光源（13）到导光板（12）的第二方向为0°，45°，90°和135°的角度的情况下，发射 部分在垂直于从表面发射部分到光偏转层的第一方向的平面中，在距离表面发射部分的光出射表面上的测量目标点的距离为-40°的范围内测量亮度 相对于第一方向为+ 40°，-60°至-74°和+ 60°至+ 74°，在第一至第四方位角处的视野范围内的所有亮度值为-40°至+ 40° 在第一至第四方位角的-60°至-74°和+ 60°至+ 74°的视野范围内的最大亮度值的不超过40％。
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