公开(公告)号：US07365816B2

公开(公告)日：2008-04-29

申请号：US10560393

申请日：2005-03-30

申请人： Masayuki Kawai ,  Shuuji Yano ,  Seiji Umemoto

发明人： Masayuki Kawai ,  Shuuji Yano ,  Seiji Umemoto

IPC分类号： G02F1/1335

CPC分类号： G02F1/133634 ,  G02B5/3016 ,  G02F1/134363 ,  G02F2001/133562 ,  G02F2001/133567

摘要： A liquid crystal display of the invention comprises an in-plane switching liquid crystal panel containing a liquid crystal layer whose alignment orientation changes according to an electric field in parallel with a surface of a substrate; a first polarizing plate and a second polarizing plate disposed sandwiching the liquid crystal panel therebetween; a first optical film inserted between the first polarizing plate and the liquid crystal panel; and a second optical film inserted between the second polarizing plate and the liquid crystal panel, wherein the first optical film includes: a retardation film A1 having a relation of nz>nx≧ny; and a retardation film B having an in-plane retardation (Re) in the range of from 200 to 300 nm, a relation of nx>nz>ny and satisfying Nz coefficient in the range of 0.3 nx≧ny; and the slow axis of the retardation film B is in parallel with or perpendicular to the absorption axes of the first and second polarizing plates. The liquid crystal display has a high contrast ratio over a wide range.

摘要翻译： 本发明的液晶显示器包括：面内切换液晶板，其包含取向取向根据与基板表面平行的电场而变化的液晶层; 将液晶面板夹在其间的第一偏振片和第二偏振片; 插入在第一偏振片和液晶面板之间的第一光学膜; 以及插入在第二偏振板和液晶面板之间的第二光学膜，其中第一光学膜包括：具有nz> nx> = ny的关系的延迟膜A 1; 以及具有在200〜300nm范围内的面内相位差（Re）的相位差膜B，nx> nz> ny的关系，并且在0.3 nx> = ny的关系的延迟膜A 2; 延迟膜B的慢轴与第一和第二偏振片的吸收轴平行或垂直。 液晶显示器在宽范围内具有高对比度。

公开(公告)号：US20060001799A1

公开(公告)日：2006-01-05

申请号：US11169964

申请日：2005-06-30

申请人： Ikuo Kawamoto ,  Seiji Umemoto ,  Takashi Kamijou

发明人： Ikuo Kawamoto ,  Seiji Umemoto ,  Takashi Kamijou

IPC分类号： G02F1/1335

CPC分类号： G02B5/3016

摘要： The present invention provides: a method of producing a broadband and wide viewing angle elliptically polarizing plate having excellent characteristics in an oblique direction as well; and an image display using the elliptically polarizing plate obtained through the method. The method of producing an elliptically polarizing plate according to the present invention includes the steps of: subjecting a surface of a transparent protective film to alignment treatment; forming a first birefringent layer by applying a liquid crystal composition onto the surface of the transparent protective film subjected to the alignment treatment; laminating a polarizer on a surface of the transparent protective film opposite to the surface subjected to the alignment treatment; and forming a second birefringent layer by laminating a polymer film on a surface of the first birefringent layer, in which the elliptically polarizing plate has a relationship represented by the following expression (1) 2α+40°

摘要翻译： 本发明提供一种在倾斜方向上具有优异特性的宽带宽视角椭圆偏光板的制造方法。 以及使用通过该方法获得的椭圆偏光板的图像显示。 根据本发明的椭圆偏光板的制造方法包括以下步骤：对透明保护膜的表面进行取向处理; 通过将液晶组合物施加到经过取向处理的透明保护膜的表面上来形成第一双折射层; 在与所述取向处理的表面相对的所述透明保护膜的表面上层叠偏振片; 并且通过在第一双折射层的表面上层叠聚合物膜来形成第二双折射层，其中椭圆偏振片具有由以下表达式（1）表示的关系<？in-line-formula description =“In-line 公式“end =”lead“？> 2alpha + 40° ）中，α表示偏振片的吸收轴与透明保护膜的取向方向之间的角度，β表示偏振片的吸收轴与第二双折射层的慢轴之间的角度。

公开(公告)号：US06982432B2

公开(公告)日：2006-01-03

申请号：US09835316

申请日：2001-04-17

申请人： Seiji Umemoto ,  Tomonori Noguchi ,  Tadayuki Kameyama ,  Kiichi Shimodaira ,  Hideo Sugawara ,  Hidehiko Andou

发明人： Seiji Umemoto ,  Tomonori Noguchi ,  Tadayuki Kameyama ,  Kiichi Shimodaira ,  Hideo Sugawara ,  Hidehiko Andou

IPC分类号： G02F1/1335

CPC分类号： G02F1/13338 ,  G02F1/133305

摘要： A touch type liquid-crystal display device has a liquid-crystal display panel having flexibility, a touch panel provided to adhere closely to a back side, opposite to a visual side, of the liquid-crystal display panel, and electrodes disposed to be opposite to each other through a gap. The electrodes are capable of coming into partial contact with each other by a pressing force to thereby detect an input position.

摘要翻译： 触摸式液晶显示装置具有液晶显示面板，液晶显示面板具有柔性，设置为紧贴液晶显示面板的与视觉侧相对的背面附近的触摸面板，以及设置为相对的电极 通过差距相互间。 电极能够通过按压力彼此部分接触，从而检测输入位置。

公开(公告)号：US06961180B2

公开(公告)日：2005-11-01

申请号：US09986432

申请日：2001-11-08

申请人： Seiji Umemoto

发明人： Seiji Umemoto

IPC分类号： G02B5/30 ,  G02F1/1335 ,  G02F1/13363 ,  G02B27/28

CPC分类号： G02F1/133528 ,  G02B5/3083 ,  G02F1/133634

摘要： There is provided a polarizer constituted by: a polarizing element; and at least one transparent protective film constituted by two layers of retardation films with an in-plane retardation in a range of from 190 to 320 nm with respect to light having a wavelength of 550 nm, the transparent protective film being bonded onto one of opposite surfaces of the polarizing element so that a slow axis of each of the retardation films is parallel with an absorption axis of the polarizing element, the two layers of retardation films being constituted by a combination of a retardation film with Nz of from 0.65 to 0.85 and a retardation film with Nz of from 0.15 to 0.35 on the condition of nx>ny and Nz=(nx−nz)/(nx−ny) in which nx and ny are in-plane refractive indices of each of the retardation films respectively, and nz is a refractive index in a direction of thickness of each of the retardation films.

摘要翻译： 提供一种偏振器，由以下部件构成：偏振元件; 以及由相对于波长为550nm的光在面向相位差为190〜320nm的2层延迟膜构成的至少1个透明保护膜，所述透明保护膜粘贴在相对的一个 偏振元件的表面使得每个延迟膜的慢轴与偏振元件的吸收轴平行，两层延迟膜由Nz为0.65至0.85的相位差膜和 在nx> ny和Nz =（nx-nz）/（nx-ny）的条件下Nz为0.15〜0.35的延迟膜，其中nx和ny分别为每个相位差膜的面内折射率， nz是各延迟膜的厚度方向的折射率。

公开(公告)号：US06927821B2

公开(公告)日：2005-08-09

申请号：US10084054

申请日：2002-02-28

申请人： Shuuji Yano ,  Seiji Umemoto

发明人： Shuuji Yano ,  Seiji Umemoto

IPC分类号： G02B5/30 ,  G02F1/1335 ,  G02F1/13363

CPC分类号： G02F1/133634 ,  G02F1/133528

摘要： An optically compensatory polarizer has a polarizer and an optically compensating film. The polarizer includes an absorption type polarizing element and transparent protective layers provided on opposite sides of the absorption type polarizing element, each of the transparent protective layers exhibiting an in-plane retardation of not larger than 10 nm and a thicknesswise retardation in a range of from 30 to 70 nm. The optically compensating film is laminated on one or each of opposite surfaces of the polarizer so that a slow axis of each optically compensating film crosses an absorption axis of the polarizer perpendicularly, and exhibits an in-plane retardation in a range of from 80 to 200 nm and Nz=(nx−nz)/(nx−ny) in a range of from −0.2 to 0.2 and nx and ny satisfy the relation nx>ny.

摘要翻译： 光学补偿偏振器具有偏振器和光学补偿膜。 偏振片包括吸收型偏振元件和设置在吸收型偏振元件的相对侧上的透明保护层，每个透明保护层的面内相位差不大于10nm，厚度方向延迟范围为 30〜70nm。 光学补偿膜层叠在偏振片的相反表面的一个或每个上，使得每个光学补偿膜的慢轴垂直于偏振片的吸收轴，并且在80至200的范围内显示面内相位差 nm，Nz =（nx-nz）/（nx-ny）在-0.2〜0.2的范围内，nx和ny满足nx> ny的关系。

公开(公告)号：US06866393B2

公开(公告)日：2005-03-15

申请号：US09898060

申请日：2001-07-05

申请人： Shuuji Yano ,  Seiji Umemoto

发明人： Shuuji Yano ,  Seiji Umemoto

IPC分类号： G02B6/00 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/13357 ,  G09F9/00 ,  F21V7/04

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

摘要： A reflective liquid crystal display (LCD) is constituted by a light pipe which emits incident light from an incident side from the other surface of its upper and lower surfaces through light emitting means formed on the one of them, a plane light source device with a light source arranged on one or more sides of the light pipe, and a liquid crystal display (LCD) panel having a reflective layer. The light emitting side of the plane light source device and the visual recognition side of the LCD panel are bonded to each other through an adhesive layer having a refractive index lower than that of the light pipe.

摘要翻译： 反射型液晶显示器（LCD）由光管构成，该光管通过形成在其一个上的发光装置从其上表面和下表面的另一表面的入射侧发射入射光，平面光源装置具有 光源布置在光管的一侧或多侧上，以及具有反射层的液晶显示器（LCD）面板。 平面光源装置的发光侧和LCD面板的视觉识别侧通过具有比光管的折射率低的粘合剂层彼此接合。

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：US06659615B2

公开(公告)日：2003-12-09

申请号：US09759238

申请日：2001-01-16

申请人： Seiji Umemoto

发明人： Seiji Umemoto

IPC分类号： F21V704

CPC分类号： G02B6/0038 ,  G02B6/005 ,  Y10S385/901

摘要： A light pipe has a transparent resin plate having an average in-plane retardation of not larger than 20 nm, a transparent film having an average in-plane retardation of not larger than 20 nm, and an adhesive layer having a refractive index different by 0.1 or less from that of the transparent film. The transparent film is bonded to the transparent resin plate through the adhesive layer and wherein in the transparent film includes a repetitive prismatic structure constituted by optical path control slopes which are disposed on an outer surface of the transparent film and which are aligned in a substantially predetermined direction so that each of the optical path control slopes is inclined at an inclination angle in a range of from 35 to 48 degrees with respect to a film plane.

摘要翻译： 光管具有平均面内相位差不大于20nm的透明树脂板，平均面内相位差不大于20nm的透明膜和折射率不同于0.1的粘合剂层 以下的透明膜。 透明膜通过粘合剂层粘合到透明树脂板上，并且其中透明膜包括由光路控制斜面构成的重复棱柱结构，该棱镜结构设置在透明膜的外表面上并且基本上预定 使得每个光路控制斜面相对于薄膜平面以35至48度的范围内的倾斜角度倾斜。

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.