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公开(公告)号：US20080088759A1
公开(公告)日：2008-04-17
申请号：US11865755
申请日：2007-10-02
申请人： Yuka Utsumi , Ikuo Hiyama , Daisuke Kajita , Kikuo Ono
发明人： Yuka Utsumi , Ikuo Hiyama , Daisuke Kajita , Kikuo Ono
IPC分类号： G02F1/1335 , G02F1/1368
CPC分类号： G02F1/134363 , G02F2001/133607 , G02F2001/136222
摘要： There is provided a liquid crystal display device capable of minimizing a difference in hue between a black state and a white state to provide high-quality display. The liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer disposed between the first and second substrates; a first electrode provided on the first substrate and a second electrode which applies an electric field to the liquid crystal layer by an electric potential difference produced between the first electrode and the second electrode; and color filters provided on the first substrate or the second substrate; wherein the liquid crystal layer has a property of changing from an optically isotropic state to an optically anisotropic state in response to application of a voltage; and the color filters are made of a dye material.
摘要翻译： 提供了能够使黑色状态和白色状态之间的色相差最小化的液晶显示装置，以提供高质量的显示。 液晶显示装置包括：第一基板和第二基板; 设置在第一和第二基板之间的液晶层; 设置在第一基板上的第一电极和通过在第一电极和第二电极之间产生的电位差向液晶层施加电场的第二电极; 以及设置在所述第一基板或所述第二基板上的滤色器; 其中所述液晶层响应于施加电压具有从光学各向异性状态变为光学各向异性状态的性质; 滤色片由染料构成。
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公开(公告)号：US20090059156A1
公开(公告)日：2009-03-05
申请号：US12192155
申请日：2008-08-15
申请人： Yuka Utsumi , Shintaro Takeda , Hiroyuki Kagawa , Daisuke Kajita , Ikuo Hiyama , Kikuo Ono
发明人： Yuka Utsumi , Shintaro Takeda , Hiroyuki Kagawa , Daisuke Kajita , Ikuo Hiyama , Kikuo Ono
IPC分类号： G02F1/13
CPC分类号： G02F1/1396 , G02F2001/13706 , G02F2203/64
摘要： Disclosed herein is a liquid-crystal display device capable of reducing leakage of light under a black state due to scattering from a liquid-crystal layer, and having high-contrast ratio, excellent image quality performance. The liquid-crystal display device comprises: a liquid-crystal panel including one pair of polarizers disposed on one pair of substrates, a liquid-crystal layer held in sandwiched form between the pair of substrates, and a group of electrodes formed on at least one of the pair of substrates for applying an electric field to the liquid-crystal layer; and a light source unit disposed outside the pair of substrates. The liquid-crystal layer includes a liquid-crystal material having an ordinary-light refractive index of at least 1.46, but up to 1.49, an extraordinary-light refractive index of at least 1.54, but up to 1.59, and a mean photoelastic constant of at least 8, but up to 25, and exhibiting a nematic phase.
摘要翻译： 本发明公开了一种液晶显示装置，其能够减少由于液晶层的散射而在黑色状态下的光的泄漏，并且具有高对比度，优异的图像质量性能。 液晶显示装置包括：液晶面板，包括设置在一对基板上的一对偏振器，在一对基板之间夹持的液晶层和形成在至少一个基板上的一组电极 用于向液晶层施加电场的一对基板; 以及设置在所述一对基板的外侧的光源单元。 液晶层包括普通光折射率至少为1.46但高达1.49的液晶材料，非常光折射率至少为1.54，但高达1.59，平均光弹性常数为 至少8，但高达25，呈现向列相。
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公开(公告)号：US07898638B2
公开(公告)日：2011-03-01
申请号：US12192155
申请日：2008-08-15
申请人： Yuka Utsumi , Shintaro Takeda , Hiroyuki Kagawa , Daisuke Kajita , Ikuo Hiyama , Kikuo Ono
发明人： Yuka Utsumi , Shintaro Takeda , Hiroyuki Kagawa , Daisuke Kajita , Ikuo Hiyama , Kikuo Ono
CPC分类号： G02F1/1396 , G02F2001/13706 , G02F2203/64
摘要： Disclosed herein is a liquid-crystal display device capable of reducing leakage of light under a black state due to scattering from a liquid-crystal layer, and having high-contrast ratio, excellent image quality performance. The liquid-crystal display device comprises: a liquid-crystal panel including one pair of polarizers disposed on one pair of substrates, a liquid-crystal layer held in sandwiched form between the pair of substrates, and a group of electrodes formed on at least one of the pair of substrates for applying an electric field to the liquid-crystal layer; and a light source unit disposed outside the pair of substrates. The liquid-crystal layer includes a liquid-crystal material having an ordinary-light refractive index of at least 1.46, but up to 1.49, an extraordinary-light refractive index of at least 1.54, but up to 1.59, and a mean photoelastic constant of at least 8, but up to 25, and exhibiting a nematic phase.
摘要翻译： 本发明公开了一种液晶显示装置，其能够减少由于液晶层的散射而在黑色状态下的光的泄漏，并且具有高对比度，优异的图像质量性能。 液晶显示装置包括：液晶面板，包括设置在一对基板上的一对偏振器，在一对基板之间夹持的液晶层和形成在至少一个基板上的一组电极 用于向液晶层施加电场的一对基板; 以及设置在所述一对基板的外侧的光源单元。 液晶层包括普通光折射率至少为1.46但高达1.49的液晶材料，非常光折射率至少为1.54，但高达1.59，平均光弹性常数为 至少8，但高达25，呈现向列相。
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公开(公告)号：US20070058110A1
公开(公告)日：2007-03-15
申请号：US11514220
申请日：2006-09-01
申请人： Daisuke Kajita , Yuka Utsumi , Ikuo Hiyama , Masahiro Ishii
发明人： Daisuke Kajita , Yuka Utsumi , Ikuo Hiyama , Masahiro Ishii
IPC分类号： G02F1/1335
CPC分类号： G02F1/133536 , G02F1/133533 , G02F1/1336
摘要： A liquid crystal display has a liquid crystal panel having a liquid crystal layer sandwiched by a pair of substrates, and a backlight unit, wherein a reflective polarizer is arranged between a first substrate and the backlight unit; when λ0 [nm] is defined as a wavelength at which a spectral reflectance R of the reflective polarizer shows the maximum value, the reflective polarizer has such a wavelength λ0 [nm] that the following value R1 obtained by integrating the spectral reflectance with respect to a wavelength λ [nm] between λ0−50 [nm] and λ0+50 [nm]: R1=∫λ0−50λ0+50Rdλand the following value R2 obtained by integrating the spectral reflectance with respect to wavelengths between 400 nm and 700 nm: R2=∫400700Rdλsatisfy the relation of R1/R2>0.4; and the reflective polarizer has a reflection axis in approximately parallel to an absorption axis of a first polarizing plate consumption to greatly improve all the performances, with a simple configuration.
摘要翻译： 液晶显示器具有液晶层，其具有由一对基板夹持的液晶层和背光单元，其中在第一基板和背光单元之间布置反射型偏振器; 当λ0[nm]被定义为反射偏振器的光谱反射率R表示最大值的波长时，反射偏振器具有波长λ0[nm]，通过将光谱反射率相对于 λ0-50[nm]和λ0+ 50 [nm]之间的波长λ[nm]：<？in-line-formula description =“In-line Formulas”end =“lead”？> R 1 = λ0-50 λ0+ 50 相对于400nm和700nm之间的波长的反射率：<？in-line-formula description =“In-line Formulas”end =“lead”？> R 2 =∫400 700 Rdlambda <？in-line-formula description =“In-line Formulas”end =“tail”？>满足R1 / R2> 0.4的关系; 并且反射偏振片具有大致平行于第一偏振片消耗的吸收轴的反射轴，以极大地改善所有的性能，具有简单的构造。
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公开(公告)号：US20050184952A1
公开(公告)日：2005-08-25
申请号：US11053029
申请日：2005-02-09
申请人： Akitoyo Konno , Masaya Adachi , Daisuke Kajita , Tsunenori Yamamoto , Katsumi Kondo , Tatsuki Inuzuka , Ikuo Hiyama , Yuka Utsumi
发明人： Akitoyo Konno , Masaya Adachi , Daisuke Kajita , Tsunenori Yamamoto , Katsumi Kondo , Tatsuki Inuzuka , Ikuo Hiyama , Yuka Utsumi
IPC分类号： G02F1/13357 , G02F1/133 , G02F1/1343 , G09G3/20 , G09G3/32 , G09G3/34 , G09G3/36
CPC分类号： G09G3/3426 , G09G3/3208 , G09G3/3225 , G09G3/346 , G09G3/3648 , G09G2300/023 , G09G2300/0434 , G09G2300/06 , G09G2310/08 , G09G2320/0233 , G09G2320/0238 , G09G2320/0247 , G09G2320/028 , G09G2320/0285 , G09G2320/029 , G09G2320/062 , G09G2320/064 , G09G2320/0646 , G09G2320/0653 , G09G2320/066 , G09G2320/103 , G09G2330/021 , G09G2360/144 , G09G2360/145 , G09G2360/16
摘要： The video display apparatus has a light modulation device for forming a picture in accordance with a video signal and a lighting unit for irradiating, on the light modulation device, illumination light necessary to cause it to display the picture. In the apparatus, the lighting unit irradiates the illumination light in sequence of individual plural illumination light source partitive areas, a luminance distribution calculating unit calculates luminance distributions of video signals corresponding to the plural partitive areas to determine illumination light luminance levels of the individual partitive areas, an illumination controller controls rays of the illumination light of individual areas of the lighting unit on the basis of determination by the luminance distribution calculating unit, and a video corrector corrects the video signal inputted to the light modulation device on the basis of the determination by the luminance distribution calculating unit.
摘要翻译： 视频显示装置具有用于根据视频信号形成图像的光调制装置和用于在光调制装置上照射使其显示图像所需的照明光的照明单元。 在该装置中，照明装置按照各个照明光源部分区域照射照明光，亮度分布计算部分计算与多个部分区域对应的视频信号的亮度分布，以确定各个部分区域的照明光亮度水平 照明控制器基于亮度分布计算单元的判定来控制照明单元的各个区域的照明光的光线，并且视频校正器根据通过光调制装置的判定来校正输入到光调制装置的视频信号 亮度分布计算单元。
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6.发明授权Polarizer and liquid-crystal display apparatus having reduced polarization state in oblique viewing angles 有权偏振器和液晶显示装置在倾斜视角下具有减小的偏振状态公开(公告)号：US08134665B2
公开(公告)日：2012-03-13
申请号：US13011085
申请日：2011-01-21
申请人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
发明人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
IPC分类号： G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133514 , G02F1/133634 , G02F1/134363 , G02F2413/04 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： A liquid crystal display apparatus includes a first polarizer located on one side of a first substrate, a second polarizer located on the opposite side of a second substrate, a liquid crystal layer formed of liquid crystal molecules and between the first and the second substrates so that the liquid crystal molecules may be aligned in parallel to the first or the second substrate and to which an electric field is applied in parallel to the first substrate, and a lighting device. The first or the second polarizer includes a polarization layer and supporting materials located on both sides of the polarization layer, reducing light leakage and a color shift in a black display state when viewed from the oblique direction.
摘要翻译： 液晶显示装置包括位于第一基板一侧的第一偏振器，位于第二基板相反一侧的第二偏振器，由液晶分子形成的液晶层，并且位于第一和第二基板之间，使得 液晶分子可以与第一或第二基板平行排列，并且与第一基板平行地施加电场，以及照明装置。 第一或第二偏振器包括偏振层和位于偏振层两侧的支撑材料，当从倾斜方向观察时，减少了光泄漏和黑色显示状态下的色移。
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公开(公告)号：US07292299B2
公开(公告)日：2007-11-06
申请号：US10956254
申请日：2004-09-30
申请人： Ikuo Hiyama , Shinichi Komura , Tsunenori Yamamoto , Yuka Utsumi , Mutsumi Maehara , Daisuke Kajita
发明人： Ikuo Hiyama , Shinichi Komura , Tsunenori Yamamoto , Yuka Utsumi , Mutsumi Maehara , Daisuke Kajita
IPC分类号： G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133604 , G02F1/134363 , G02F2001/133635 , G02F2413/04 , G02F2413/11 , G02F2413/13
摘要： In an in-plane switching (ISP) mode controlling transmission and shielding of light by application of lateral electric field to liquid crystal molecules aligned in the direction in parallel to a substrate, increase in luminance or color shift at a black-representation area or upon black-representation condition at an inclined viewing angle is reduced. First and second polarizing plates sandwiching a liquid crystal layer each have a supporting member (plate) on at least either surface thereof. The supporting member on the inside surface of the first polarizing plate on the side of an illumination unit has a retardation in the thickness direction R1·h1 and the supporting member on the inside surface of the second polarizing plate has a retardation in the thickness direction R2·h2. In the O-mode, R1·h1>R2·h2 and in the E-mode, R1·h1
摘要翻译： 在平面切换（ISP）模式下，通过向与基板平行的方向对准的液晶分子施加横向电场来控制光的透射和屏蔽，在黑色表示区域或在黑色表示区域上亮度或颜色偏移增加 在倾斜视角下的黑色表示条件减少。 夹着液晶层的第一和第二偏光板在其至少一个表面上各具有支撑部件（板）。 在照明单元一侧的第一偏振片的内表面上的支撑构件在厚度方向R 1，h 1上具有延迟，第二偏振片的内表面上的支撑构件具有厚度的延迟 方向R 2 .h 2。 在O模式中，R 1 .h 1> R 2 .h 2，在E模式中，R 1 .h 1
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公开(公告)号：US20110116023A1
公开(公告)日：2011-05-19
申请号：US13011085
申请日：2011-01-21
申请人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
发明人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
IPC分类号： G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133514 , G02F1/133634 , G02F1/134363 , G02F2413/04 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： A liquid crystal display apparatus includes a first polarizer located on one side of a first substrate, a second polarizer located on the opposite side of a second substrate, a liquid crystal layer formed of liquid crystal molecules and between the first and the second substrates so that the liquid crystal molecules may be aligned in parallel to the first or the second substrate and to which an electric field is applied in parallel to the first substrate, and a lighting device. The first or the second polarizer includes a polarization layer and supporting materials located on both sides of the polarization layer, reducing light leakage and a colour shift in a black display state when viewed from the oblique direction.
摘要翻译： 液晶显示装置包括位于第一基板一侧的第一偏振器，位于第二基板相反一侧的第二偏振器，由液晶分子形成的液晶层，并且位于第一和第二基板之间，使得 液晶分子可以与第一或第二基板平行排列，并且与第一基板平行地施加电场，以及照明装置。 第一或第二偏振器包括偏振层和位于偏振层两侧的支撑材料，当从倾斜方向观察时，减少了光泄漏和黑色显示状态下的色移。
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9.发明授权Polarizer and liquid-crystal display apparatus having reduced polarization state in oblique viewing angles 有权偏振器和液晶显示装置在倾斜视角下具有减小的偏振状态公开(公告)号：US07920238B2
公开(公告)日：2011-04-05
申请号：US11038092
申请日：2005-01-21
申请人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
发明人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
IPC分类号： G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133514 , G02F1/133634 , G02F1/134363 , G02F2413/04 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： A liquid crystal display apparatus includes a first polarizer located on one side of a first substrate, a second polarizer located on the opposite side of a second substrate, a liquid crystal layer formed of liquid crystal molecules and between the first and the second substrates so that the liquid crystal molecules may be aligned in parallel to the first or the second substrate and to which an electric field is applied in parallel to the first substrate, and a lighting device. The first or the second polarizer includes a polarization layer and supporting materials located on both sides of the polarization layer, reducing light leakage and a colour shift in a black display state when viewed from the oblique direction.
摘要翻译： 液晶显示装置包括位于第一基板一侧的第一偏振器，位于第二基板相反一侧的第二偏振器，由液晶分子形成的液晶层，并且位于第一和第二基板之间，使得 液晶分子可以与第一或第二基板平行排列，并且与第一基板平行地施加电场，以及照明装置。 第一或第二偏振器包括偏振层和位于偏振层两侧的支撑材料，当从倾斜方向观察时，减少了光泄漏和黑色显示状态下的色移。
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公开(公告)号：US20050206817A1
公开(公告)日：2005-09-22
申请号：US11038092
申请日：2005-01-21
申请人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
发明人： Daisuke Kajita , Ikuo Hiyama , Mutsumi Maehara , Yuka Utsumi
IPC分类号： G02B5/30 , G02F1/133 , G02F1/1335 , G02F1/13363 , G02F1/1343
CPC分类号： G02F1/13363 , G02F1/133514 , G02F1/133634 , G02F1/134363 , G02F2413/04 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： A liquid crystal display apparatus includes a first polarizer located on one side of a first substrate, a second polarizer located on the opposite side of a second substrate, a liquid crystal layer formed of liquid crystal molecules and between the first and the second substrates so that the liquid crystal molecules may be aligned in parallel to the first or the second substrate and to which an electric field is applied in parallel to the first substrate, and a lighting device. The first or the second polarizer includes a polarization layer and supporting materials located on both sides of the polarization layer, reducing light leakage and a colour shift in a black display state when viewed from the oblique direction.
摘要翻译： 液晶显示装置包括位于第一基板一侧的第一偏振器，位于第二基板相反一侧的第二偏振器，由液晶分子形成的液晶层，并且位于第一和第二基板之间，使得 液晶分子可以与第一或第二基板平行排列，并且与第一基板平行地施加电场，以及照明装置。 第一或第二偏振器包括偏振层和位于偏振层两侧的支撑材料，当从倾斜方向观察时，减少了光泄漏和黑色显示状态下的色移。
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