专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06853423B2 Quarter wave plate comprising two optically anisotropic layers 有权
标题翻译：四分之一波片包括两个光学各向异性层
公开(公告)号：US06853423B2
公开(公告)日：2005-02-08
申请号：US10405461
申请日：2003-04-03
申请人： Kohei Arakawa , Ken Kawata , Mitsuyoshi Ichihashi
发明人： Kohei Arakawa , Ken Kawata , Mitsuyoshi Ichihashi
IPC分类号： G02B5/30 , G02F1/13363 , G02F1/1335 , G02F1/13
CPC分类号： G02B5/3016 , G02F2001/133541 , G02F2001/133637 , G02F2001/133638
摘要： A circularly polarizing plate comprises a linearly polarizing membrane and a quarter wave plate. The quarter wave plate comprises an optically anisotropic layer A and an optically anisotropic layer B. The quarter wave plate has such an optical characteristic that a retardation value essentially is a quarter of a wavelength when the retardation value is measured at the wavelength of 450 nm, 550 nm and 650 nm. One of the optically anisotropic layers A and B is a layer made from liquid crystal molecules, and the other is a polymer film or a layer made from liquid crystal molecules.
摘要翻译：圆偏振板包括线偏振膜和四分之一波片。四分之一波片包括光学各向异性层A和光学各向异性层B.四分之一波片具有这样的光学特性，即当在450nm的波长处测量延迟值时，延迟值基本上是波长的四分之一， 550nm和650nm。光学各向异性层A和B中的一个是由液晶分子制成的层，另一个是聚合物膜或由液晶分子制成的层。

2. 发明授权

US06519016B1 Phase retarder comprising two optically anisotropic layers 有权
标题翻译：相位延迟器包括两个光学各向异性层
公开(公告)号：US06519016B1
公开(公告)日：2003-02-11
申请号：US09667222
申请日：2000-09-21
申请人： Mitsuyoshi Ichihashi , Ken Kawata , Kohei Arakawa
发明人： Mitsuyoshi Ichihashi , Ken Kawata , Kohei Arakawa
IPC分类号： G02F11335
CPC分类号： G02B5/3083 , G02F1/13363 , G02F2001/133541 , G02F2001/133633 , G02F2001/133638 , G02F2202/40 , G02F2203/02 , G02F2413/08
摘要： A phase retarder comprises two optically anisotropic layers A & B. The optically anisotropic layer A essentially gives the phase retardation of &pgr; at wavelength of 550 nm, and the optically anisotropic layer B essentially gives the phase retardation of &pgr;/2 at wavelength of 550 nm. The layers A and B are laminated so that the retarder has such an optical characteristic that a retardation value per wavelength is within the range of 0.2 to 0.3 at each wavelength of 450 nm, 550 nm and 650 nm. The total thickness of the layers A and B is within the range of 500 nm to 20 &mgr;m.
摘要翻译：相位延迟器包括两个光学各向异性层A和B.光学各向异性层A基本上给出波长为550nm处的p i的相位延迟，并且光学各向异性层B基本上在波长为550nm处给出π/ 2的相位延迟。层A和B被层压，使得延迟器具有这样的光学特性，即每个波长的延迟值在450nm，550nm和650nm的每个波长处在0.2至0.3的范围内。层A和B的总厚度在500nm至20μm的范围内。

3. 发明授权

US06519017B1 Liquid crystal display comprising liquid crystal cell, linearly polarizing membrane, cholesteric liquid crystal layer and quarter wave plate 失效
标题翻译：液晶显示器包括液晶单元，线偏振膜，胆甾型液晶层和四分之一波片
公开(公告)号：US06519017B1
公开(公告)日：2003-02-11
申请号：US09705825
申请日：2000-11-06
申请人： Mitsuyoshi Ichihashi , Ken Kawata , Kohei Arakawa
发明人： Mitsuyoshi Ichihashi , Ken Kawata , Kohei Arakawa
IPC分类号： G02F11335
CPC分类号： G02F1/133536 , G02B5/3016 , G02F1/13363 , G02F2001/133543 , G02F2001/133633 , G02F2001/133637 , G02F2001/133638 , G02F2413/02 , G02F2413/15
摘要： A liquid crystal display comprises a liquid crystal cell, a linearly polarizing membrane, a cholesteric liquid crystal layer and a quarter wave plate. The cholesteric liquid crystal layer is divided into two or more areas having different spiral pitches of cholesteric liquid crystal. The quarter wave plate comprises an optically anisotropic layer A and an optically anisotropic layer B. One of the optically anisotropic layers A and B is formed from liquid crystal molecules. The other is formed from liquid crystal molecules or made of a polymer film. The quarter wave plate gives a retardation value per wavelength within the range of 0.2 to 0.3 at each wavelength of 480 nm, 550 nm and 630 nm.
摘要翻译：液晶显示器包括液晶单元，线偏振膜，胆甾型液晶层和四分之一波片。胆甾型液晶层被分为具有不同螺旋间距的胆甾型液晶的两个或多个区域。四分之一波片包括光学各向异性层A和光学各向异性层B.光学各向异性层A和B之一由液晶分子形成。另一个由液晶分子形成或由聚合物膜制成。四分之一波片在480nm，550nm和630nm的每个波长下给出每波长的延迟值在0.2至0.3的范围内。

4. 发明授权

US06593984B2 Quarter wave plate comprising two optically anisotropic layers 有权
公开(公告)号：US06593984B2
公开(公告)日：2003-07-15
申请号：US10119149
申请日：2002-04-10
申请人： Kohei Arakawa , Ken Kawata , Mitsuyoshi Ichihashi
发明人： Kohei Arakawa , Ken Kawata , Mitsuyoshi Ichihashi
IPC分类号： G02F135
CPC分类号： G02B5/3016 , G02F2001/133541 , G02F2001/133637 , G02F2001/133638
摘要： A circularly polarizing plate comprises a linearly polarizing membrane and a quarter wave plate. The quarter wave plate comprises an optically anisotropic layer A and an optically anisotropic layer B. The quarter wave plate has such an optical characteristic that a retardation value essentially is a quarter of a wavelength when the retardation value is measured at the wavelength of 450 nm, 550 nm and 650 nm. One of the optically anisotropic layers A and B is a layer made from liquid crystal molecules, and the other is a polymer film or a layer made from liquid crystal molecules.

5. 发明授权

US06400433B1 Circularly polarizing plate comprising linearly polarizing membrane and quarter wave plate 有权
标题翻译：圆偏振片包括线偏振膜和四分之一波片
公开(公告)号：US06400433B1
公开(公告)日：2002-06-04
申请号：US09435620
申请日：1999-11-08
申请人： Kohei Arakawa , Ken Kawata , Mitsuyoshi Ichihashi
发明人： Kohei Arakawa , Ken Kawata , Mitsuyoshi Ichihashi
IPC分类号： G02F11335
CPC分类号： G02B5/3016 , G02F2001/133541 , G02F2001/133637 , G02F2001/133638
摘要： A circularly polarizing plate comprises a linearly polarizing membrane and a quarter wave plate. The quarter wave plate comprises an optically anisotropic layer A and an optically anisotropic layer B. The quarter wave plate has such an optical characteristic that a retardation value essentially is a quarter of a wavelength when the retardation value is measured at the wavelength of 450 nm, 550 nm and 650 nm. One of the optically anisotropic layers A and B is a layer made from liquid crystal molecules, and the other is a polymer film or a layer made from liquid crystal molecules.
摘要翻译：圆偏振板包括线偏振膜和四分之一波片。四分之一波片包括光学各向异性层A和光学各向异性层B.四分之一波片具有这样的光学特性，即当在450nm的波长处测量延迟值时，延迟值基本上是波长的四分之一， 550nm和650nm。光学各向异性层A和B中的一个是由液晶分子制成的层，另一个是聚合物膜或由液晶分子制成的层。

6. 发明授权

US06778237B2 Polarizing element 失效
标题翻译：极化元素
公开(公告)号：US06778237B2
公开(公告)日：2004-08-17
申请号：US09764127
申请日：2001-01-19
申请人： Kohei Arakawa , Mitsuyoshi Ichihashi
发明人： Kohei Arakawa , Mitsuyoshi Ichihashi
IPC分类号： G02F11335
CPC分类号： G02B5/3016
摘要： A polarizing element provided with a layer including liquid crystals and a polarizer having a transmission axis. The polarizing element of the present invention is structured such that liquid crystal molecules in the aforementioned liquid crystal layer have a chiral smectic texture of a helical configuration with respect to a axis, the axis is not along a direction normal to a surface of the liquid crystal layer (a z-direction), and a direction of an orthogonal projection of the axis onto the surface of the liquid crystal layer is substantially at 90° to the polarizer's transmission axis.
摘要翻译：设置有包括液晶的层的偏振元件和具有透射轴的偏振片。本发明的偏振元件的结构使得上述液晶层中的液晶分子具有相对于轴线呈螺旋状的手性近晶构造，该轴不是沿着与液晶的表面垂直的方向层（z方向），并且轴对液晶层的表面的正交投影的方向与偏振器的透射轴基本成90°。

7. 发明授权

US06667794B2 Collimator utilizing wavelength selective reflection and backlight system 有权
标题翻译：准直仪利用波长选择反射和背光系统
公开(公告)号：US06667794B2
公开(公告)日：2003-12-23
申请号：US09960340
申请日：2001-09-24
申请人： Kohei Arakawa , Fumihiko Mochizuki , Kenichi Nakagawa , Mitsuyoshi Ichihashi
发明人： Kohei Arakawa , Fumihiko Mochizuki , Kenichi Nakagawa , Mitsuyoshi Ichihashi
IPC分类号： C09K1902
CPC分类号： G02B5/3016 , G02F1/1336 , G02F2001/133521 , G02F2001/133545 , G02F2001/133607
摘要： A flat plate collimator and backlight system capable of improving the display characteristics of liquid crystal display devices are obtained. In order to achieve this end, a collimator is provided which comprises a cholesteric liquid crystal layer exhibiting a selective-reflection wavelength band with respect to perpendicularly-incident light in the wavelength range &lgr;1 to &lgr;2 (&lgr;1
摘要翻译：可以获得能够改善液晶显示装置的显示特性的平板准直器和背光系统。为了实现这一目的，提供了一种准直器，其包括相对于波长λ1至λ2（λ1

8. 发明授权

US06485798B1 Optical compensatory sheet comprising substrate and optically anisotropic layer 有权
标题翻译：光学补偿片包括基底和光学各向异性层
公开(公告)号：US06485798B1
公开(公告)日：2002-11-26
申请号：US09512310
申请日：2000-02-24
申请人： Eiichiro Aminaka , Ken Kawata , Shigeki Yokoyama , Mitsuyoshi Ichihashi
发明人： Eiichiro Aminaka , Ken Kawata , Shigeki Yokoyama , Mitsuyoshi Ichihashi
IPC分类号： C09K1906
CPC分类号： C09K19/56 , C09K19/0208 , C09K19/32 , G02F1/133632 , G02F1/1397 , Y10T428/10 , Y10T428/1036 , Y10T428/1059
摘要： An optical compensatory sheet comprises a transparent substrate and an optically anisotropic layer. The optically anisotropic layer comprises discotic liquid crystal molecules. The discotic liquid crystal molecules are oriented in essentially mono domain alignment at an average inclined angle in the range of 50° to 90°. A liquid crystal display of an STN mode having the optical compensatory sheet is also disclosed.
摘要翻译：光学补偿片包括透明基底和光学各向异性层。光学各向异性层包括盘状液晶分子。盘状液晶分子以50°至90°范围内的平均倾斜角基本上单畴结构取向。还公开了具有光学补偿片的STN模式的液晶显示器。

9. 发明授权

US06338808B1 Liquid crystal composition comprising liquid crystal molecules and alignment promoter 有权
标题翻译：含有液晶分子和取向促进剂的液晶组合物
公开(公告)号：US06338808B1
公开(公告)日：2002-01-15
申请号：US09539900
申请日：2000-03-31
申请人： Ken Kawata , Shigeki Yokoyama , Mitsuyoshi Ichihashi , Koushin Matsuoka , Hiroshi Takeuchi
发明人： Ken Kawata , Shigeki Yokoyama , Mitsuyoshi Ichihashi , Koushin Matsuoka , Hiroshi Takeuchi
IPC分类号： C09K1956
CPC分类号： C09K19/56 , C09K19/0208 , C09K2019/328 , G02F1/133632 , G02F1/1397 , Y10T428/1005
摘要： A liquid crystal composition comprises liquid crystal molecules and an alignment promoter. The alignment promoter is represented by the formula (I). (Hb—)mL(—Bu)n (I) In the formula (I), Hb is a hydrophobic group selected from the group consisting of a fluorine-substituted alkyl group having 1 to 40 carbon atoms, a fluorine-substituted aryl group having 6 to 40 carbon atoms, an alkyl group having 6 to 60 carbon atoms and an alkyl-substituted oligosiloxanoxy group having 1 to 60 carbon atoms. Bu is a bulky group showing an excluded volume effect and comprising at least two rings. L is an (m+n)-valent linking group. Each of m and n is independently an integer of 1 to 12.
摘要翻译：液晶组合物包含液晶分子和取向促进剂。取代促进剂由式（I）表示。在式（I）中，Hb是选自具有1至40个碳原子的氟取代的烷基的疏水基团，具有碳原子数6〜40，碳原子数6〜60的烷基，碳原子数为1〜60的烷基取代的低聚硅氧烷氧基。 Bu是一个庞大的组，显示排除的体积效应并且包括至少两个环。 L是（m + n）价连接基团。 m和n各自独立地为1〜12的整数。

10. 发明授权

US06875483B2 Liquid crystal composition comprising liquid crystal molecules and alignment promoter 有权
标题翻译：含有液晶分子和取向促进剂的液晶组合物
公开(公告)号：US06875483B2
公开(公告)日：2005-04-05
申请号：US09899031
申请日：2001-07-06
申请人： Mitsuyoshi Ichihashi , Ken Kawata , Hiroshi Takeuchi , Koushin Matsuoka
发明人： Mitsuyoshi Ichihashi , Ken Kawata , Hiroshi Takeuchi , Koushin Matsuoka
IPC分类号： C09K19/56 , G02B5/30 , G02F1/13363
CPC分类号： C09K19/56 , C09K2019/328 , G02B5/3016 , G02F2413/105 , Y10T428/10 , Y10T428/1005 , Y10T428/1014
摘要： A liquid crystal composition comprises liquid crystal molecules and an alignment promoter. The alignment promoter is represented by the formula (I): (Hb-L1-)nBl (I). In the formula (I), Hb is an aliphatic group having 4 to 40 carbon atoms, an aromatic group having 6 to 40 carbon atoms or an aliphatic substituted oligosiloxanoxy group having 1 to 40 carbon atoms. L1 is a single bond or a divalent linking group, and n is an integer of 2 to 12. Bl is an n-valent group comprising at least two rings.
摘要翻译：液晶组合物包含液晶分子和取向促进剂。取代促进剂由式（I）表示：式（I）中，Hb为碳原子数为4〜40的脂肪族基团，碳原子数为6〜40的芳香族基团或碳原子数1〜40的脂肪族取代的低聚硅氧烷氧基碳原子。 L 1是单键或二价连接基团，n是2〜12的整数.B 1是至少包含两个环的n价基团。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式