公开(公告)号：US06825895B2

公开(公告)日：2004-11-30

申请号：US10098145

申请日：2002-03-15

申请人： Yuuki Nakano ,  Toshihiko Ariyoshi ,  Seiji Umemoto ,  Hideo Abe ,  Ryoji Kinoshita

发明人： Yuuki Nakano ,  Toshihiko Ariyoshi ,  Seiji Umemoto ,  Hideo Abe ,  Ryoji Kinoshita

IPC分类号： G02F11335

CPC分类号： G02F1/133615 ,  G02F1/1333 ,  G02F2001/133368 ,  G02F2001/133616

摘要： A liquid-crystal display apparatus having a liquid-crystal panel, the liquid-crystal panel including a lower transparent substrate having a transparent electrode on at least one of its opposite surfaces, an upper transparent substrate having a transparent electrode opposite to the transparent electrode of the lower substrate, and liquid crystal held between the lower substrate and the upper substrate, wherein the upper substrate is thicker than the lower substrate. Preferably, the thickness of the lower substrate is not larger than ⅔ as large as the thickness of the upper substrate in order to achieve reduction in thickness and weight more effectively.

摘要翻译： 一种具有液晶面板的液晶显示装置，所述液晶面板包括在其相对表面中的至少一个上具有透明电极的下透明基板，具有与透明电极相对的透明电极的上透明基板 下基板和保持在下基板和上基板之间的液晶，其中上基板比下基板厚。 优选地，下基板的厚度不大于上基板的厚度的2/3，以便更有效地实现厚度和重量的减小。

公开(公告)号：US07030945B2

公开(公告)日：2006-04-18

申请号：US10225532

申请日：2002-08-22

申请人： Seiji Umemoto ,  Ryoji Kinoshita ,  Yuuki Nakano ,  Ichiro Amino ,  Toshihiko Ariyoshi

发明人： Seiji Umemoto ,  Ryoji Kinoshita ,  Yuuki Nakano ,  Ichiro Amino ,  Toshihiko Ariyoshi

IPC分类号： G02F1/13

CPC分类号： G02F1/133615

摘要： In a liquid-crystal display device, an optical path control layer is provided at least on an outer side of the back side substrate, and has a plurality of optical path changing slopes inclined at an inclination angle of from 35 to 48 degrees with respect to a reference plane of the back side substrate. The optical path control layer has a refractive index higher than that of a low-refractive-index transparent layer provided in the back side substrate. Another low-refractive-index transparent layer lower in refractive index than the transparent substrate may be provided in a visual side substrate. Light sources may be disposed on at least two side surfaces of the liquid-crystal display panel. Light sources may be disposed on side surfaces of the back side substrate and the visual side substrate and at least on side surfaces of the liquid-crystal display panel which are different from each other. Another optical path control layer may be provided also on an outer side of the visual side substrate.

摘要翻译： 在液晶显示装置中，光路控制层至少设置在背面侧基板的外侧，并且具有相对于背面侧基板倾斜35〜48度的多个光路改变斜面 背面基板的基准面。 光路控制层的折射率高于设置在背面基板中的低折射率透明层的折射率。 折射率低于透明基板的另一低折射率透明层可以设置在视觉侧基板中。 光源可以设置在液晶显示面板的至少两个侧表面上。 光源可以设置在彼此不同的背面基板和视觉侧基板以及液晶显示面板的至少侧面的侧面上。 也可以在视觉侧基板的外侧设置另一光路控制层。

公开(公告)号：US06956630B2

公开(公告)日：2005-10-18

申请号：US10092449

申请日：2002-03-08

申请人： Toshihiko Ariyoshi ,  Hideo Abe ,  Seiji Umemoto

发明人： Toshihiko Ariyoshi ,  Hideo Abe ,  Seiji Umemoto

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

CPC分类号： G02F1/133615 ,  G02B6/0038 ,  G02B6/0055 ,  G02F2001/133616 ,  G02F2201/34

摘要： A reflection type liquid-crystal display apparatus has a light source; and a liquid-crystal display device including a lower substrate provided with a reflection plate, an upper substrate provided with a transparent film on which a light reflection element is provided for reflecting transmitted light toward the lower substrate side, and liquid crystal held between the lower substrate and the upper substrate, the light source being disposed at an end surface of the upper substrate, the liquid-crystal display device being configured so that light incident onto a surface of the upper substrate opposite to a contact surface of the upper substrate with the liquid crystal is reflected by the reflection plate of the lower substrate so as to exit from the surface of the upper substrate opposite to the contact surface of the upper substrate with the liquid crystal, wherein at least one of end surfaces except the end surface on which the light source is disposed is coated with a reflection layer.

摘要翻译： 反射型液晶显示装置具有光源; 以及具有设置有反射板的下基板的液晶显示装置，设置有透明膜的上基板，在其上设置有用于将透射光反射到下基板侧的光反射元件，并且保持在下基板之间的液晶 基板和上基板，所述光源设置在所述上​​基板的端面，所述液晶显示装置被配置为使得入射到所述上基板的与所述上基板的接触表面相对的表面的光具有 液晶被下基板的反射板反射，从而与上液晶板的与上基板的接触面相反的表面离开液晶，其中除端面外的至少一个端面 光源设置有反射层。

公开(公告)号：US06768529B2

公开(公告)日：2004-07-27

申请号：US09748212

申请日：2000-12-27

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Hideo Abe

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Hideo Abe

IPC分类号： G02F11335

CPC分类号： G02B6/0061 ,  G02B6/0036 ,  G02B6/0038 ,  G02F1/133615 ,  G02F2001/133616 ,  G02F2203/02

摘要： A reflection-transmission double type liquid-crystal display device has a transmission type liquid-crystal display panel including a liquid-crystal cell, at least one illuminator disposed on at least one side surface of the liquid-crystal display panel, an optical path changing sheet which has a refractive index exhibiting a refractive index difference of not higher than 0.15 from a refractive index of a nearest liquid-crystal cell substrate and is bonded onto a back side of the liquid-crystal display panel through an adhesive layer having a refractive index exhibiting a refractive index difference of not higher than 0.20 from the refractive index of the nearest liquid-crystal cell substrate, and a reflection layer disposed on a back side of the optical path changing sheet. The optical path changing sheet includes optical path changing slopes and flat surfaces. Each of the optical path changing slopes faces the illuminator at an inclination angle in a range of from 30 to 48 degrees with respect to a plane of the optical path changing sheet and being provided for reflecting incident light from the illuminator toward the visual side of the liquid-crystal display panel. Each of the flat surfaces is inclined at an inclination angle of not larger than 10 degrees with respect to the sheet plane, and a projected area of the flat surfaces on the sheet plane is not smaller than 10 times as large as a projected area of the optical path changing slopes.

摘要翻译： 反射透射型双液晶显示装置具有包括液晶单元的透射型液晶显示面板，设置在液晶显示面板的至少一个侧面的至少一个照明器， 片材，其具有从最近的液晶单元基板的折射率表现出不高于0.15的折射率差的折射率，并且通过具有折射率的粘合剂层粘合到液晶显示面板的背面 从最近的液晶单元基板的折射率出现不高于0.20的折射率差，以及设置在光路改变片背面的反射层。 光路改变片包括光路改变斜面和平坦表面。 每个光路改变斜面相对于光路改变片的平面以30至48度的范围内的倾斜角度面向照明器，并且被设置成用于将来自照明器的入射光反射到照明器的视觉侧 液晶显示面板。 每个平坦表面相对于片材平面以不大于10度的倾斜角度倾斜，并且平面上的平坦表面的投影面积不小于该平面的投影面积的10倍 光路改变斜率。

公开(公告)号：US06565224B1

公开(公告)日：2003-05-20

申请号：US09709516

申请日：2000-11-13

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi

IPC分类号： G02B2710

CPC分类号： G02B6/0038 ,  G02B6/0048 ,  G02F2001/133616

摘要： A light pipe has an upper surface, a lower surface, an incidence side surface, and light output means constituted by a repetitive prismatic structure and formed in said upper surface so that light incident on said incidence side surface exits from said lower surface through said light output means but light incident on said lower surface is transmitted through said upper surface. The light pipe has a refractive index in a range of from 1.51 to 1.55, and information light generated on said lower surface of said light pipe is transmitted to said upper surface of said light pipe so as to be made visible at said upper surface. In a surface light source unit, a light source is disposed on the incidence side surface of the above-mentioned light pipe. In a reflection type liquid-crystal display device, a liquid-crystal cell including a reflection layer is disposed on a lower surface of the above-mentioned light pipe or on a lower surface of a light pipe contained in the above-mentioned surface light source unit.

摘要翻译： 光管具有上表面，下表面，入射侧表面以及由重复的棱镜结构构成并形成在所述上表面中的光输出装置，使得入射在所述入射侧表面上的光通过所述光从所述下表面离开 输出装置，但入射在所述下表面上的光透过所述上表面。 所述光管的折射率在1.51〜1.55的范围内，所述光管的所述下表面上产生的信息光被透射到所述光管的所述上表面，使其在所述上表面可见。 在表面光源单元中，光源设置在上述光管的入射侧表面上。 在反射型液晶显示装置中，包括反射层的液晶单元设置在上述光管的下表面上或者在上述表面光源中包含的光管的下表面上 单元。

公开(公告)号：US07502081B2

公开(公告)日：2009-03-10

申请号：US09851970

申请日：2001-05-10

申请人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

发明人： Seiji Umemoto ,  Toshihiko Ariyoshi ,  Takao Suzuki

IPC分类号： G02F1/1335

CPC分类号： G02B6/0038 ,  G02B6/0056 ,  G02F1/133528 ,  G02F1/133615 ,  G02F2001/133616

摘要： A reflection type liquid-crystal display device has a reflection type liquid-crystal display panel, at least one illuminator, and an optical path control layer. The reflection type liquid-crystal display panel includes a liquid-crystal cell and a reflector, the liquid-crystal cell having a visual-side substrate, a back-side substrate and a liquid crystal. The visual-side substrate includes a transparent substrate, a transparent layer lower in reflective index than the transparent substrate, and a transparent electrode. The back-side substrate has an electrode, and the liquid crystal is held between the visual-side and back-side substrates so that respective electrode sides of the visual-side and back-side substrates are disposed opposite to each other. The reflector is disposed on the back-side substrate side. The illuminator is disposed on one of side surfaces of the reflection type liquid-crystal display panel. The optical path control layer has a repetitive structure of optical path changing slopes on an outer side of the visual-side substrate and being higher in refractive index than the low-refractive-index transparent layer. Each of the optical path changing slopes is inclined at an inclination angle in a range of from 35 to 48 degrees with respect to a reference plane of the visual-side substrate.

公开(公告)号：US07227685B2

公开(公告)日：2007-06-05

申请号：US10735209

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： G02B27/28 ,  G02B5/04

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

摘要： An optical film has a transparent film and an adhesive layer provided on one surface of the transparent film. The adhesive layer has a refractive index different by 0.12 or less from that of a layer of the one surface of the transparent film. The transparent film has an average in-plane retardation of not larger than 30 nm. A repetitive prismatic structure is 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 from 35 to 48 degrees with respect to a plane of the transparent film.

摘要翻译： 光学膜具有透明膜和设置在透明膜的一个表面上的粘合层。 粘合剂层的折射率与透明膜的一个表面的层的折射率不同于0.12以下。 该透明膜的平面面延迟不大于30nm。 在透明膜的另一个表面上提供重复的棱镜结构，其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排列的光程改变斜面 电影。

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.