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1.发明授权公开(公告)号：US06717635B2
公开(公告)日：2004-04-06
申请号：US10237727
申请日：2002-09-10
IPC分类号： G02F11335
CPC分类号： G02B6/0036 , G02B6/0061 , G02B6/0065 , G02B6/0068 , Y10S385/901
摘要： A liquid crystal display device having a light guide plate and a light source disposed on one of side surfaces of the light guide plate so that external light is transmitted through the light guide plate and enters a liquid-crystal display portion. A plurality of dots each constituted by a small recess or protrusion portion reflecting light from the light source toward the liquid crystal display portion are formed in or on another surface of the light guide plate opposite to the liquid crystal display portion. Each of the dots have a substantially V-shape in section with an inclination angle of the section being in a range of 35° to 43°.
摘要翻译： 一种液晶显示装置，具有导光板和光源，该导光板和光源设置在导光板的一个侧表面上，使得外部光透过导光板并进入液晶显示部分。 在与液晶显示部相反的导光板的另一面上形成有多个点，每个点由反射来自光源的液晶显示部的光的小凹部或突起部构成。 每个点都具有大致V形截面，该截面的倾斜角度在35°至43°的范围内。
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公开(公告)号：US06700632B2
公开(公告)日：2004-03-02
申请号：US09761733
申请日：2001-01-18
IPC分类号： G02F1065
CPC分类号： G02B6/0036 , G02B6/0061 , G02B6/0065 , G02B6/0068 , Y10S385/901
摘要： To provide a reflection type liquid-crystal display device having an illuminator in front of the liquid-crystal display device, the illuminator having a light guide plate superior in light utilization efficiency, dots constituted by a plurality of small recess or protrusion portions for reflecting the light incident on the light guide plate toward the liquid-crystal display device are formed in or on a surface of the light guide plate which does not face the liquid-crystal display device. Each of the dots is set to have a substantially V-shape in section, the sectional inclination angle of the V-shape is set in a range of from 35 to 43°, and the sectional vertex angle of the V-shape is in a range of 70.6±2.5°.
摘要翻译： 为了提供一种在液晶显示装置前面具有照明器的反射型液晶显示装置，该照明装置具有光利用效率优异的导光板，由多个小凹部或突起部构成的点，用于反射 导光板朝向液晶显示装置入射的光形成在不面向液晶显示装置的导光板的表面中。 每个点被设定为截面大致为V形，V形的截面倾斜角度设定在35〜43°的范围内，V字形的截面顶角为 范围为70.6±2.5°。
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公开(公告)号：US06704070B2
公开(公告)日：2004-03-09
申请号：US10237784
申请日：2002-09-10
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。
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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.
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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
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。
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公开(公告)号：US07030945B2
公开(公告)日：2006-04-18
申请号：US10225532
申请日：2002-08-22
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。
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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。
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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。
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9.发明授权Light pipe, surface light source unit and reflection type liquid-crystal display device 有权光管，表面光源单元和反射型液晶显示装置公开(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。
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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.
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