公开(公告)号：US07969541B2

公开(公告)日：2011-06-28

申请号：US12564505

申请日：2009-09-22

申请人： Kentaro Okuyama ,  Hitoshi Katakura ,  Kei Obata ,  Jun Shimizu ,  Shinya Suzuki ,  Mitsunari Hoshi ,  Junichi Inoue ,  Akito Kuriyama

发明人： Kentaro Okuyama ,  Hitoshi Katakura ,  Kei Obata ,  Jun Shimizu ,  Shinya Suzuki ,  Mitsunari Hoshi ,  Junichi Inoue ,  Akito Kuriyama

IPC分类号： G02F1/1335 ,  G02F1/1339

CPC分类号： G02B5/3083 ,  B29D11/00644 ,  B32B2457/20 ,  B32B2457/204 ,  G02B5/045 ,  G02F1/133555 ,  G02F1/133636 ,  G02F2001/133631 ,  G02F2001/133638 ,  G02F2202/023 ,  G02F2413/02 ,  G02F2413/05 ,  G02F2413/11

摘要： A retardation film which is manufacturable by a simple process, and being capable of preventing a decline in light use efficiency is provided. A retardation film includes: a substrate having a plurality of grooves extending in a specific direction on a surface thereof; and a retardation layer arranged in contact with the surface of the substrate, and including a liquid crystal material, the liquid crystal material being aligned along the extending direction of the plurality of grooves and being polymerized.

摘要翻译： 提供了可以通过简单的工艺制造并且能够防止光利用效率下降的延迟膜。 延迟膜包括：具有在其表面上沿特定方向延伸的多个槽的基板; 以及延迟层，与所述基板的表面接触，并且包括液晶材料，所述液晶材料沿着所述多个槽的延伸方向排列并聚合。

公开(公告)号：US20100073604A1

公开(公告)日：2010-03-25

申请号：US12564505

申请日：2009-09-22

申请人： Kentaro Okuyama ,  Hitoshi Katakura ,  Kei Obata ,  Jun Shimizu ,  Shinya Suzuki ,  Mitsunari Hoshi ,  Junichi Inoue ,  Akito Kuriyama

发明人： Kentaro Okuyama ,  Hitoshi Katakura ,  Kei Obata ,  Jun Shimizu ,  Shinya Suzuki ,  Mitsunari Hoshi ,  Junichi Inoue ,  Akito Kuriyama

IPC分类号： G02F1/1347 ,  G02F1/13 ,  B29D7/01

CPC分类号： G02B5/3083 ,  B29D11/00644 ,  B32B2457/20 ,  B32B2457/204 ,  G02B5/045 ,  G02F1/133555 ,  G02F1/133636 ,  G02F2001/133631 ,  G02F2001/133638 ,  G02F2202/023 ,  G02F2413/02 ,  G02F2413/05 ,  G02F2413/11

摘要： A retardation film which is manufacturable by a simple process, and being capable of preventing a decline in light use efficiency is provided. A retardation film includes: a substrate having a plurality of grooves extending in a specific direction on a surface thereof; and a retardation layer arranged in contact with the surface of the substrate, and including a liquid crystal material, the liquid crystal material being aligned along the extending direction of the plurality of grooves and being polymerized.

摘要翻译： 提供了可以通过简单的工艺制造并且能够防止光利用效率下降的延迟膜。 延迟膜包括：具有在其表面上沿特定方向延伸的多个槽的基板; 以及延迟层，与所述基板的表面接触，并且包括液晶材料，所述液晶材料沿着所述多个槽的延伸方向排列并聚合。

公开(公告)号：US08237886B2

公开(公告)日：2012-08-07

申请号：US12261716

申请日：2008-10-30

申请人： Kei Obata ,  Jun Shimizu ,  Kentaro Okuyama ,  Mitsuo Arima ,  Mitsunari Hoshi

发明人： Kei Obata ,  Jun Shimizu ,  Kentaro Okuyama ,  Mitsuo Arima ,  Mitsunari Hoshi

IPC分类号： G02F1/1335

CPC分类号： G02B1/08 ,  G02B5/045 ,  G02B5/3083 ,  G02F2001/133607

摘要： A method of manufacturing the optical sheet is provided. The method includes: a first step of heating a composition containing a liquid crystal monomer or liquid crystal prepolymer and a photopolymerization initiator at a temperature equal to or higher than a melting point of the liquid crystal monomer or liquid crystal prepolymer and pressing the composition in a state where the composition is held between a master including a plurality of solid structures disposed continuously in one surface and having shape anisotropy in the one surface and a light transmission film disposed so as to face the solid structures of the master. The method also includes a second step of irradiating the composition with ultraviolet rays at a temperature lower than a phase transmission temperature to an isotropic phase to polymerize the liquid crystal monomer or liquid crystal prepolymer and, after that, separating the light transmission film from the master.

摘要翻译： 提供了一种制造光学片的方法。 该方法包括：在等于或高于液晶单体或液晶预聚物的熔点的温度下加热含有液晶单体或液晶预聚物和光聚合引发剂的组合物的第一步骤，并将组合物按 其中所述组合物保持在包括在一个表面中连续设置并且在所述一个表面中具有形状各向异性的多个固体结构的主体和设置成面对所述主体的所述实体结构的透光膜之间的状态。 该方法还包括在低于相变传递温度的温度下将紫外线照射到各向同性相以聚合液晶单体或液晶预聚物的第二步骤，然后将透光膜与母体分离 。

公开(公告)号：US20090109375A1

公开(公告)日：2009-04-30

申请号：US12261716

申请日：2008-10-30

申请人： Kei Obata ,  Jun Shimizu ,  Kentaro Okuyama ,  Mitsuo Arima ,  Mitsunari Hoshi

发明人： Kei Obata ,  Jun Shimizu ,  Kentaro Okuyama ,  Mitsuo Arima ,  Mitsunari Hoshi

IPC分类号： G02F1/1347 ,  G02F1/1333 ,  G02F1/13

CPC分类号： G02B1/08 ,  G02B5/045 ,  G02B5/3083 ,  G02F2001/133607

摘要： A method of manufacturing the optical sheet is provided. The method includes: a first step of heating a composition containing a liquid crystal monomer or liquid crystal prepolymer and a photopolymerization initiator at a temperature equal to or higher than a melting point of the liquid crystal monomer or liquid crystal prepolymer and pressing the composition in a state where the composition is held between a master including a plurality of solid structures disposed continuously in one surface and having shape anisotropy in the one surface and a light transmission film disposed so as to face the solid structures of the master. The method also includes a second step of irradiating the composition with ultraviolet rays at a temperature lower than a phase transmission temperature to an isotropic phase to polymerize the liquid crystal monomer or liquid crystal prepolymer and, after that, separating the light transmission film from the master.

摘要翻译： 提供了一种制造光学片的方法。 该方法包括：在等于或高于液晶单体或液晶预聚物的熔点的温度下加热含有液晶单体或液晶预聚物和光聚合引发剂的组合物的第一步骤，并将组合物按 其中所述组合物保持在包括在一个表面中连续设置并且在所述一个表面中具有形状各向异性的多个固体结构的主体和设置成面对所述主体的所述实体结构的透光膜之间的状态。 该方法还包括在低于相变传递温度的温度下将紫外线照射到各向同性相以聚合液晶单体或液晶预聚物的第二步骤，然后将透光膜与母体分离 。

公开(公告)号：US07545460B2

公开(公告)日：2009-06-09

申请号：US11659010

申请日：2006-04-05

申请人： Mitsuo Arima ,  Jun Shimizu ,  Kei Obata ,  Eiji Oota ,  Toru Abiko ,  Yasuyuki Kudo ,  Masato Ishigaki ,  Mitsunari Hoshi

发明人： Mitsuo Arima ,  Jun Shimizu ,  Kei Obata ,  Eiji Oota ,  Toru Abiko ,  Yasuyuki Kudo ,  Masato Ishigaki ,  Mitsunari Hoshi

IPC分类号： G02F1/1335 ,  F21V7/04

CPC分类号： G02F1/133606 ,  G02F2001/133607

摘要： A liquid crystal display, optical sheet manufacturing method, and an optical sheet are provided. The occurrence of moiré is prevented while suppressing a reduction in front luminance. The liquid crystal display includes: a liquid crystal display panel; a light source arranged on a back surface side of the liquid crystal display panel; an optical sheet with a light-condensing property arranged between the liquid crystal display panel and the light source, the optical sheet having a number of irregularities arranged continuously on a principal surface of the optical sheet; and a diffuser sheet arranged between the liquid crystal display panel and the optical sheet. The liquid crystal display is constructed so that when an arrangement pitch of the irregularities of the optical sheet is P [μm], a haze value of the diffuser sheet is H [%], a total light transmittance of the diffuser sheet is Tt [%], and a pixel pitch of the liquid crystal display panel is Pp [μm], the following relationship is satisfied: (H/Tt)·(Pp/P)≧1.6.

摘要翻译： 提供液晶显示器，光学片材制造方法和光学片。 在抑制正面亮度降低的同时防止出现波纹。 该液晶显示器包括：液晶显示面板; 布置在所述液晶显示面板的背面侧的光源; 在所述液晶显示面板和所述光源之间布置有具有聚光性的光学片，所述光学片在所述光学片的主面上连续地排列有多个凹凸; 以及布置在液晶显示面板和光学片之间的漫射片。 液晶显示器被构造成当光学片的凹凸的排列间距为P [μm]时，漫射片的雾度值为H [％]，漫射片的总透光率为Tt [％ ]，液晶显示面板的像素间距为Pp [mum]，满足以下关系：（H / Tt）（Pp / P）> = 1.6。

公开(公告)号：US20090059120A1

公开(公告)日：2009-03-05

申请号：US12201608

申请日：2008-08-29

申请人： Mitsunari Hoshi ,  Kei Obata ,  Akihiro Horii ,  Noriyuki Hirai ,  Hiroshi Mizuno ,  Jun Shimizu

发明人： Mitsunari Hoshi ,  Kei Obata ,  Akihiro Horii ,  Noriyuki Hirai ,  Hiroshi Mizuno ,  Jun Shimizu

IPC分类号： G02F1/13357 ,  F21V5/02

CPC分类号： G02B6/0056 ,  G02B6/0053 ,  G02F1/133606 ,  G02F2001/133607

摘要： An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film. The light transmission film is disposed between the polarization plate and the light source and includes a plurality of prisms formed on a surface thereof, the plurality of prisms each having a ridge line in a first direction and being continuously arranged in a second direction perpendicular to the first direction. In the illumination apparatus, the light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate.

摘要翻译： 公开了一种照明装置。 照明装置包括偏光板，光源和透光膜。 透光膜设置在偏振板和光源之间，并且包括在其表面上形成的多个棱镜，所述多个棱镜各自在第一方向上具有棱线，并且沿垂直于第二方向的第二方向连续地布置 第一个方向 在照明装置中，透光膜被配置为使得多个棱镜的棱线方向是与偏振板的透射轴垂直方向和大致垂直的方向之一。

公开(公告)号：US08334950B2

公开(公告)日：2012-12-18

申请号：US12201608

申请日：2008-08-29

申请人： Mitsunari Hoshi ,  Kei Obata ,  Akihiro Horii ,  Noriyuki Hirai ,  Hiroshi Mizuno ,  Jun Shimizu

发明人： Mitsunari Hoshi ,  Kei Obata ,  Akihiro Horii ,  Noriyuki Hirai ,  Hiroshi Mizuno ,  Jun Shimizu

IPC分类号： G02F1/1335

CPC分类号： G02B6/0056 ,  G02B6/0053 ,  G02F1/133606 ,  G02F2001/133607

摘要： An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film. The light transmission film is disposed between the polarization plate and the light source and includes a plurality of prisms formed on a surface thereof, the plurality of prisms each having a ridge line in a first direction and being continuously arranged in a second direction perpendicular to the first direction. In the illumination apparatus, the light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate.

摘要翻译： 公开了一种照明装置。 照明装置包括偏光板，光源和透光膜。 透光膜设置在偏振板和光源之间，并且包括在其表面上形成的多个棱镜，所述多个棱镜各自在第一方向上具有棱线，并且沿垂直于第二方向的第二方向连续地布置 第一个方向 在照明装置中，透光膜被配置为使得多个棱镜的棱线方向是与偏振板的透射轴垂直方向和大致垂直的方向之一。

公开(公告)号：US20100026610A1

公开(公告)日：2010-02-04

申请号：US12534989

申请日：2009-08-04

申请人： Kei Obata ,  Mitsunari Hoshi ,  Jun Shimizu

发明人： Kei Obata ,  Mitsunari Hoshi ,  Jun Shimizu

IPC分类号： G09G3/36 ,  G02B1/02

CPC分类号： G02F1/133606 ,  G02B5/3016 ,  G02F2001/133507 ,  G02F2001/133607 ,  G02F2202/40

摘要： An optical film capable of improving luminance of a display unit, in which a viewing angle in the horizontal direction of emitted light of the display unit is wider than a viewing angle in the vertical direction and the emitted light of the display unit has a polarization component in the vertical direction viewable by polarized sunglasses, an illumination system including the same, and a display unit including the same are provided. The optical film includes a plurality of three-dimensional structures extending in one direction and arranged sequentially in a direction crossing the one direction. The three-dimensional structures contain a liquid crystalline polymer having orientation, and have refractive index anisotropy in which refractive index in the extending direction of the three-dimensional structures is smaller than refractive index in the direction crossing the extending direction of the three-dimensional structures.

摘要翻译： 一种能够改善显示单元的亮度的光学膜，其中显示单元的发射光的水平方向上的视角比垂直方向上的视角宽，并且显示单元的发射光具有偏振分量 在通过偏振太阳镜观察的垂直方向上，设置包括该照明系统的照明系统和包括该照明系统的显示单元。 光学膜包括在一个方向上延伸并沿与该一个方向交叉的方向依次布置的多个三维结构。 三维结构含有具有取向的液晶聚合物，并且具有折射率各向异性，其中三维结构的延伸方向上的折射率小于与三维结构的延伸方向交叉的方向上的折射率 。

公开(公告)号：US08400578B2

公开(公告)日：2013-03-19

申请号：US12534989

申请日：2009-08-04

申请人： Kei Obata ,  Mitsunari Hoshi ,  Jun Shimizu

发明人： Kei Obata ,  Mitsunari Hoshi ,  Jun Shimizu

IPC分类号： G02F1/1335

CPC分类号： G02F1/133606 ,  G02B5/3016 ,  G02F2001/133507 ,  G02F2001/133607 ,  G02F2202/40

摘要： An optical film capable of improving luminance of a display unit, in which a viewing angle in the horizontal direction of emitted light of the display unit is wider than a viewing angle in the vertical direction and the emitted light of the display unit has a polarization component in the vertical direction viewable by polarized sunglasses, an illumination system including the same, and a display unit including the same are provided. The optical film includes a plurality of three-dimensional structures extending in one direction and arranged sequentially in a direction crossing the one direction. The three-dimensional structures contain a liquid crystalline polymer having orientation, and have refractive index anisotropy in which refractive index in the extending direction of the three-dimensional structures is smaller than refractive index in the direction crossing the extending direction of the three-dimensional structures.

摘要翻译： 一种能够改善显示单元的亮度的光学膜，其中显示单元的发射光的水平方向上的视角比垂直方向上的视角宽，并且显示单元的发射光具有偏振分量 在通过偏振太阳镜观察的垂直方向上，设置包括该照明系统的照明系统和包括该照明系统的显示单元。 光学膜包括在一个方向上延伸并沿与该一个方向交叉的方向依次布置的多个三维结构。 三维结构含有具有取向的液晶聚合物，并且具有折射率各向异性，其中三维结构的延伸方向上的折射率小于与三维结构的延伸方向交叉的方向上的折射率 。

公开(公告)号：US20080316392A1

公开(公告)日：2008-12-25

申请号：US11659010

申请日：2006-04-05

申请人： Mitsuo Arima ,  Jun Shimizu ,  Kei Obata ,  Eiji Oota ,  Toru Abiko ,  Yasuyuki Kudo ,  Masato Ishigaki ,  Mitsunari Hoshi

发明人： Mitsuo Arima ,  Jun Shimizu ,  Kei Obata ,  Eiji Oota ,  Toru Abiko ,  Yasuyuki Kudo ,  Masato Ishigaki ,  Mitsunari Hoshi

IPC分类号： G02F1/1335

CPC分类号： G02F1/133606 ,  G02F2001/133607

摘要： A liquid crystal display, optical sheet manufacturing method, and an optical sheet are provided. The occurrence of moiré is prevented while suppressing a reduction in front luminance. The liquid crystal display includes: a liquid crystal display panel; a light source arranged on a back surface side of the liquid crystal display panel; an optical sheet with a light-condensing property arranged between the liquid crystal display panel and the light source, the optical sheet having a number of irregularities arranged continuously on a principal surface of the optical sheet; and a diffuser sheet arranged between the liquid crystal display panel and the optical sheet. The liquid crystal display is constructed so that when an arrangement pitch of the irregularities of the optical sheet is P [μm], a haze value of the diffuser sheet is H [%], a total light transmittance of the diffuser sheet is Tt [%], and a pixel pitch of the liquid crystal display panel is Pp [μm], the following relationship is satisfied: (H/Tt)·(Pp/P)≧1.6.

摘要翻译： 提供液晶显示器，光学片材制造方法和光学片。 在抑制正面亮度降低的同时防止出现波纹。 液晶显示器包括：液晶显示面板; 布置在所述液晶显示面板的背面侧的光源; 在所述液晶显示面板和所述光源之间布置有具有聚光性的光学片，所述光学片在所述光学片的主面上连续地排列有多个凹凸; 以及布置在液晶显示面板和光学片之间的漫射片。 液晶显示器被构造成当光学片的凹凸的排列间距为P [μm]时，漫射片的雾度值为H [％]，漫射片的总透光率为Tt [％ ]，液晶显示面板的像素间距为Pp [mum]，满足以下关系：（H / Tt）（Pp / P）> = 1.6。