公开(公告)号：US06747801B2

公开(公告)日：2004-06-08

申请号：US09758165

申请日：2001-01-12

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

IPC分类号： G02B1320

CPC分类号： G02B6/0061 ,  G02B5/045 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0053

摘要： An optical film has a transparent film, an adhesive layer provided on one surface of the transparent film, the adhesive layer having a refractive index different by 0.1 or less from that of a layer of the one surface of the transparent film, and a repetitive prismatic structure provided on the other surface of the transparent film, the repetitive prismatic structure having optical path changing slopes aligned in a substantially constant direction at an inclination angle in a range of from 35 to 48 degrees with respect to a plane of the transparent film. Another optical film has a transparent film having an average in-plane retardation of not larger than 30 nm, an adhesive layer provided on one surface of the transparent film, the adhesive layer having a refractive index different by 0.12 or less from that of a layer of the one surface of the transparent film, and the repetitive prismatic structure provided on the other surface of the transparent film. Still another optical film has a transparent film having a refractive index of not lower than 1.49, a transparent adhesive layer provided on one surface of the transparent film, the transparent adhesive means having a refractive index of not lower than 1.49, and the repetitive prismatic structure provided on the other surface of the transparent film.

公开(公告)号：US06665029B2

公开(公告)日：2003-12-16

申请号：US09986437

申请日：2001-11-08

申请人： Hiroyuki Kondo ,  Seiji Umemoto ,  Toshihiko Ariyoshi

发明人： Hiroyuki Kondo ,  Seiji Umemoto ,  Toshihiko Ariyoshi

IPC分类号： G02F11335

CPC分类号： G02B6/0053 ,  G02F1/133502 ,  G02F1/133615 ,  G02F2001/133616

摘要： An optical film constituted by: a transparent film including a repetitive structure of a plurality of light exit means arranged at intervals of a regular pitch or intervals of irregular pitches in one of opposite surfaces of the transparent film, the repetitive structure of the plurality of light exit means having optical path changing slopes each inclined to the film surface at an inclination angle in a range of from 30 to 48 degrees in order to change an optical path of light from a direction of the film surface into a direction of thickness of the film; and an anti-reflection layer disposed on the film surface in which the plurality of light exit means are formed; wherein the optical film is light-transmissible in the direction of the thickness of the film. A reflective liquid-crystal display device constituted by: a reflective liquid-crystal display panel including at least one light source on one of side surfaces of the liquid-crystal display panel; and the optical film provided on a viewing side of the reflective liquid-crystal display panel so that a surface of the optical film in which a plurality of light exit means are formed faces outward.

摘要翻译： 一种光学膜，其由以下部分构成：透明膜，其包括在所述透明膜的相对表面的一个表面中以规则间距或不规则间距的间隔隔开布置的多个光出射装置的重复结构，所述多个光的重复结构 出口装置具有光路改变斜面，每个倾斜角度以30至48度的倾斜角度倾斜于膜表面，以便将光从膜表面的方向改变成膜的厚度方向 ; 以及设置在其上形成有多个光出射装置的膜表面上的防反射层; 其中所述光学膜在所述膜的厚度方向上是透光的。 一种反射型液晶显示装置，包括：反射型液晶显示面板，其在所述液晶显示面板的一个侧面上具有至少一个光源; 以及设置在反射型液晶显示面板的观看侧的光学膜，使得形成有多个光出射装置的光学膜的表面向外。

公开(公告)号：US06603520B2

公开(公告)日：2003-08-05

申请号：US10024551

申请日：2001-12-21

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi

IPC分类号： G02F11335

CPC分类号： G02B6/0036 ,  G02B5/021 ,  G02B5/0242 ,  G02B5/0263

摘要： An optical film is constituted by a transparent film with a refractive index of not lower than 1.49. The transparent film including light exit means which are constituted by concave or convex portions and which are arranged partially like pits in one of opposite surfaces of the transparent film so as to face at least one virtual center formed in one place located on or outside a layer thickness surface at an end of the transparent film, each concave or convex portion having a length of not larger than 200 &mgr;m and a depth or height of not larger than 50 &mgr;m, each of the light exit means having an optical path changing slope inclined to the film surface of the transparent film at an inclination angle in a range of from 35 to 48 degrees, and an elevational face inclined to the film surface at an inclination angle of not lower than 50 degrees. A liquid-crystal display device is constituted by a liquid-crystal display panel and the optical film, the optical film being disposed on one of opposite surfaces of the liquid-crystal display panel so that a surface of the optical film in which the light exit means are provided is located outward.

公开(公告)号：US06917473B2

公开(公告)日：2005-07-12

申请号：US10734224

申请日：2003-12-15

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

IPC分类号： G02F1/13363 ,  F21V8/00 ,  G02B5/04 ,  G02B6/00 ,  G02B13/20 ,  G02B5/02

CPC分类号： G02B6/0061 ,  G02B5/045 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0053

摘要： An optical film has a transparent film, an adhesive layer provided on one surface of the transparent film, the adhesive layer having a refractive index different by 0.1 or less from that of a layer of the one surface of the transparent film, and a repetitive prismatic structure provided on the other surface of the transparent film, the repetitive prismatic structure having optical path changing slopes aligned in a substantially constant direction at an inclination angle in a range of from 35 to 48 degrees with respect to a plane of the transparent film. Another optical film has a transparent film having an average in-plane retardation of not larger than 30 nm, an adhesive layer provided on one surface of the transparent film, the adhesive layer having a refractive index different by 0.12 or less from that of a layer of the one surface of the transparent film, and the repetitive prismatic structure provided on the other surface of the transparent film. Still another optical film has a transparent film having a refractive index of not lower than 1.49, a transparent adhesive layer provided on one surface of the transparent film, the transparent adhesive means having a refractive index of not lower than 1.49, and the repetitive prismatic structure provided on the other surface of the transparent film.

摘要翻译： 光学膜具有透明膜，设置在透明膜的一个表面上的粘合层，粘合层的折射率与透明膜的一个表面的层的折射率不同于0.1或更小，并且重复棱镜 结构设置在透明膜的另一个表面上，重复的棱镜结构具有相对于透明膜的平面以35至48度的范围内的倾斜角在基本上恒定的方向上取向的光程改变斜面。 另一种光学膜具有平均面内相位差不大于30nm的透明膜，设置在透明膜的一个表面上的粘合层，粘合层的折射率与层的折射率不同于0.12以下 的透明膜的一个表面，以及设置在透明膜的另一个表面上的重复棱镜结构。 另一种光学膜具有折射率不低于1.49的透明膜，设置在透明膜的一个表面上的透明粘合剂层，折射率不低于1.49的透明粘合剂，以及重复的棱柱结构 设置在透明膜的另一个表面上。

公开(公告)号：US06882474B2

公开(公告)日：2005-04-19

申请号：US09756792

申请日：2001-01-10

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

IPC分类号： F21V8/00 ,  G02B5/30 ,  G02B6/00 ,  G02F1/1335 ,  G02B27/28

CPC分类号： G02B6/0056 ,  G02B5/3025 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0061 ,  G02F1/133553

摘要： An optical path changing polarizer has a polarizer including a polarizing element and a transparent protective layer disposed on at least one side of the polarizing element, an adhesive layer disposed on one side surface of the polarizer, and a repetitive prismatic structure disposed on the other side of the polarizer. The repetitive prismatic structure includes optical path changing slopes aligned in a substantially constant direction so as to be inclined at an inclination angle of from 35 to 48 degrees with respect to a plane of the polarizer. Each of respective refractive indexes of the adhesive layer and a material for forming the optical path changing slopes is not lower than a refractive index of the polarizing element or the transparent protective layer. The adhesive layer has a refractive index different by 0.1 or less from a refractive index of a surface layer of the one side of the polarizer.

摘要翻译： 光路改变偏振片具有偏振片，该偏振片包括设置在偏振元件的至少一侧的偏振元件和透明保护层，设置在偏振片的一个侧面上的粘合剂层和设置在偏振片的另一侧的重复棱镜结构 的偏振器。 重复棱镜结构包括沿基本上恒定的方向排列的光路改变斜面，以相对于偏振片的平面倾斜35至48度的倾斜角。 粘合剂层和用于形成光路改变斜面的材料的折射率各自不低于偏振元件或透明保护层的折射率。 粘合剂层的折射率与偏振片的一侧的表面层的折射率相差0.1以下。

公开(公告)号：US06827457B2

公开(公告)日：2004-12-07

申请号：US10093409

申请日：2002-03-11

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi

IPC分类号： F21V704

CPC分类号： G02B6/0036 ,  G02B6/0061 ,  G02B6/0065 ,  G02F2001/133616

摘要： A light pipe having a plate-like substance having an upper surface, a lower surface opposite to the upper surface, an incidence side surface, and an end surface opposite to the incidence side surface, the plate-like substance including a light output device formed in the upper surface so that light incident on the incidence side surface is made to exit from the lower surface through the light output device, the light output device being constituted by fine grooves arranged discontinuously so as to face the incidence side surface, each of the fine grooves having a length of not larger than 250 &mgr;m and a depth of not larger than 50 &mgr;m and not larger than ⅕ as large as the length, each of the fine grooves being constituted by a combination of an optical path changing slope inclined to the lower surface at an angle in a range of from 35 to 48 degrees and a steep slope facing the optical path changing slope and inclined to the lower surface at an angle of not lower than 60 degrees. A reflective liquid-crystal display device having a planar light source unit including a light pipe defined above, and a reflective liquid-crystal display panel disposed on the lower surface side of the light pipe.

摘要翻译： 一种具有上表面的板状物质，与上表面相对的下表面，入射侧表面和与入射侧表面相对的端面的光管，所述板状物质包括形成的光输出装置 在上表面使得入射侧入射的光通过光输出装置从下表面离开，光输出装置由不连续地布置以面对入射侧表面的细槽构成，每个 具有不大于250μm的长度的细槽和不大于50um且不大于长度的1/5的深度的细槽，每个细槽由光路改变斜率倾斜 以35度至48度的范围内的角度向下表面倾斜，以及面对光路变化斜率的陡坡，并以不低于60度的角度向下表面倾斜。 一种具有包括上述定义的光管的平面光源单元的反射型液晶显示装置和设置在该光管的下表面侧上的反射型液晶显示面板。

公开(公告)号：US06795136B2

公开(公告)日：2004-09-21

申请号：US09738979

申请日：2000-12-20

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi

IPC分类号： G02F11335

CPC分类号： G02F1/133615 ,  G02B6/0028 ,  G02F1/133553 ,  G02F2001/133616

摘要： There is provided a liquid-crystal display device having a transmission type liquid-crystal display panel including a liquid-crystal cell, a light source disposed on at least one side surface of the liquid-crystal display panel, and an optical path changing sheet disposed on a back side opposite to a visual side of the liquid-crystal display panel and having optical path changing slopes. Incident light from the light source is reflected toward the visual side of the liquid-crystal display device.

摘要翻译： 提供一种具有透射型液晶显示面板的液晶显示装置，该液晶显示面板包括液晶单元，设置在液晶显示面板的至少一个侧面上的光源和设置在该液晶显示面板上的光路改变板 在与液晶显示面板的视觉侧相反的背面上，具有光路改变斜面。 来自光源的入射光朝向液晶显示装置的视觉侧反射。

公开(公告)号：US06751023B2

公开(公告)日：2004-06-15

申请号：US09774618

申请日：2001-02-01

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi

IPC分类号： G02B502

CPC分类号： G02B6/0053 ,  G02B6/0056

摘要： An optical film including a transparent film having a hard coating layer provided on one side thereof, the hard coating layer including a repetitive prismatic structure having formed therein optical-path changing slopes oriented substantially toward certain directions at an angle of 35 to 48 degrees relative to the transparent film, and an adhesive layer laid on the other surface of the transparent film.

摘要翻译： 一种光学膜，包括具有设置在其一侧上的硬涂层的透明膜，所述硬涂层包括重复棱柱结构，所述重复棱镜结构在其中形成有相对于35至48度的角度大致朝向某些方向定向的光路改变斜面 透明膜，以及布置在透明膜的另一个表面上的粘合剂层。

公开(公告)号：US06704070B2

公开(公告)日：2004-03-09

申请号：US10237784

申请日：2002-09-10

申请人： Hitoshi Taniguchi ,  Yasuo Hira ,  Toshihiko Ariyoshi ,  Seiji Umemoto

发明人： Hitoshi Taniguchi ,  Yasuo Hira ,  Toshihiko Ariyoshi ,  Seiji Umemoto

IPC分类号： G02F1065

CPC分类号： G02B6/0036 ,  G02B6/0061 ,  G02B6/0065 ,  G02B6/0068 ,  Y10S385/901

摘要： A method for manufacturing a light guide plate having dots on one surface thereof includes forming an oxide film on a crystal plane of a silicon substrate, forming a resist film on the oxide film, and forming a dot pattern in the oxide film by using the resist film as a mask, anisotropically etching the silicon substrate by using the oxide film as a mask, forming a metal film on the silicon substrate, stripping the metal film off so as to produce a stamper or a replica thereof, and transferring the dots onto a surface of a film or a plastic sheet or plate by using the stamper or the replica.

摘要翻译： 一种在其一个表面上具有点的导光板的制造方法包括在硅衬底的晶面上形成氧化膜，在氧化膜上形成抗蚀剂膜，并通过使用抗蚀剂在氧化膜中形成点图案 膜作为掩模，通过使用氧化膜作为掩模对硅衬底进行各向异性蚀刻，在硅衬底上形成金属膜，剥离金属膜以产生压模或其复制品，并将点转移到 通过使用压模或复制品，膜或塑料片或板的表面。

公开(公告)号：US06742921B2

公开(公告)日：2004-06-01

申请号：US09888530

申请日：2001-06-26

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki ,  Shuuji Yano

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki ,  Shuuji Yano

IPC分类号： G02F11335

CPC分类号： G02B6/0038 ,  G02B6/0051 ,  G02B6/0056 ,  G02F2001/133616

摘要： A light pipe includes a plate-like member having light output means formed in its upper surface so that light incident on an incidence side surface of the plate-like member is exited from the lower surface of the plate-like member through the light output means, an adhesive layer having a refractive index lower than that of the plate-like member, and (i) an anti-reflection layer made of a circularly polarizer and bonded to a lower surface of the plate-like member through the adhesive layer or (ii) a light-diffusing layer having a surface of fine prismatic structures and bonded to a lower surface of the plate-like member through the adhesive layer. A plane light source unit includes at least one light source disposed on one side surface of the light pipe. A reflection type liquid-crystal display device includes the plane light source unit and a liquid-crystal cell including a reflection layer disposed on the light output side of the plane light source unit.

摘要翻译： 光管包括具有形成在其上表面中的光输出装置的板状构件，使得入射到板状构件的入射侧表面的光通过光输出装置从板状构件的下表面离开 ，折射率低于板状构件的粘合剂层，以及（i）由圆偏振片制成的防反射层，通过粘合剂层粘合到板状构件的下表面或（ ii）具有细棱柱结构的表面的光漫射层，并通过粘合剂层粘合到板状构件的下表面。 平面光源单元包括设置在光管的一个侧表面上的至少一个光源。 反射型液晶显示装置包括平面光源单元和包括设置在平面光源单元的光输出侧的反射层的液晶单元。