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    • 41. 发明专利
    • Liquid crystal display and liquid crystal panel
    • 液晶显示和液晶面板
    • JP2008111871A
    • 2008-05-15
    • JP2006293116
    • 2006-10-27
    • Epson Imaging Devices CorpTohoku Univエプソンイメージングデバイス株式会社国立大学法人東北大学
    • KOMA TOKUOUCHIDA TATSUO
    • G02F1/133G02F1/13G02F1/1345G09G3/20G09G3/36
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display enabling high speed drive and to provide a liquid crystal panel. SOLUTION: The liquid crystal display is composed to include a liquid crystal panel, a drive device, a heater, a temperature sensor, and a temperature controller. The heater and the temperature sensor are provided on the liquid crystal panel. The liquid crystal display is composed to execute a temperature control-on mode in which the drive device drives the liquid crystal panel while the temperature controller controls the heater to execute temperature holding control holding a detection temperature of the temperature sensor within a prescribed temperature TT. The heater is arranged in a liquid crystal side of a substrate arranged with the heater rather than the support substrate side. The temperature sensor is arranged on the liquid crystal side of the substrate arranged with the temperature sensor rather than the support substrate side. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够进行高速驱动和提供液晶面板的液晶显示器。 解决方案:液晶显示器包括液晶面板,驱动装置,加热器,温度传感器和温度控制器。 加热器和温度传感器设置在液晶面板上。 液晶显示器被构成为执行温度控制开模式,其中驱动装置驱动液晶面板,同时温度控制器控制加热器以执行将温度传感器的检测温度保持在规定温度TT内的温度保持控制。 加热器布置在布置有加热器的基板的液晶侧,而不是支撑基板侧。 温度传感器布置在布置有温度传感器而不是支撑基板侧的基板的液晶侧。 版权所有(C)2008,JPO&INPIT
    • 45. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2007079424A
    • 2007-03-29
    • JP2005270057
    • 2005-09-16
    • Fujifilm CorpTohoku Univ国立大学法人東北大学富士フイルム株式会社
    • HIRAKATA JUNICHIUCHIDA TATSUO
    • G02F1/13363G02B5/30G02F1/1335G02F1/1337
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device which is improved in viewing angle characteristics, such as tone reversal, in a simple configuration and is suitable for animation image display as well. SOLUTION: The liquid crystal display device has at least a liquid crystal cell composed of a pair of substrates 9 and 10, at least one of which has an electrode, and which are placed opposite to each other, and a liquid crystal layer 11 including a nematic liquid crystal material held between the substrates and aligned approximately parallel to the surfaces of the pair of substrates during the non-application of voltage, and a first polarizing film 3 and second polarizing film 18 placed to interpose the liquid crystal cell. The liquid crystal display device has an optical compensation film 7 (14) between at least one of the first polarizing film 3 and the second polarizing film 18, and the liquid crystal cell. The optical compensation film consists of a composition containing a disk-shaped compound. The molecules of the compound are fixed in the state of approximately perpendicularly aligning the disk face to the substrate faces and the liquid crystal cell has two or more alignment regions in one pixel. The liquid crystal display device is of black display during the non-application of the voltage or during the application of the low voltage. The average angles of inclination with the substrate faces of the nematic liquid crystal molecules, when applied with the high voltage, are different from each other in the alignment regions. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种以简单的配置提高视角特性如色调反转的液晶显示装置,并且也适用于动画图像显示。 解决方案:液晶显示装置至少具有由一对基板9和10构成的液晶单元,其中至少一个具有电极,并且彼此相对放置,并且液晶层 11包括保持在基板之间的向列型液晶材料,并且在不施加电压期间大致平行于一对基板的表面排列;以及第一偏振膜3和第二偏振膜18,其被设置成插入液晶单元。 液晶显示装置在第一偏振膜3和第二偏振膜18中的至少一个与液晶单元之间具有光学补偿膜7(14)。 光学补偿膜由含有盘状化合物的组合物组成。 化合物的分子以大致垂直对准盘面与基板面的状态固定,并且液晶单元在一个像素中具有两个或更多个取向区域。 液晶显示装置在不施加电压期间或在施加低电压期间是黑色显示。 在施加高电压时,与向列型液晶分子的基板面的平均倾斜角度在取向区域中彼此不同。 版权所有(C)2007,JPO&INPIT
    • 46. 发明专利
    • Method and apparatus for measuring coefficient of viscosity of liquid crystal
    • 用于测量液晶粘度系数的方法和装置
    • JP2007003224A
    • 2007-01-11
    • JP2005180679
    • 2005-06-21
    • Tohoku Techno Brains CorpTohoku Univ国立大学法人東北大学株式会社東北テクノブレインズ
    • MIYASHITA TETSUYAUCHIDA TATSUOKURATOMI YUHEI
    • G01N11/00G01N21/21G01N21/59
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for measuring a coefficient of the viscosity of a liquid crystal capable of measuring easily and highly accurately the rotational coefficient γ
      1 of viscosity and coefficients η
      1 , η
      2 of shear viscosity of Miesowicz of an N-type liquid crystal cell.
      SOLUTION: Observation of a response to an applied step-up voltage is performed once or in a plurality of times by changing a voltage range of the step-up voltage in the state where each optical axis of either of two orthogonal polarizers arranged on both sides of a liquid crystal cell sample having a homeotropic structure and of the sample is adjusted in parallel, to thereby determine a voltage range wherein a light leakage is removed. Then, the value of the rotational coefficient γ
      1 of viscosity is determined from an ON-response characteristic measured by the step-up voltage in the determined voltage range in the state where each optical axis is crossed at about 45°, and then each value of the coefficients η
      1 , η
      2 of shear viscosity is determined from an OFF-response characteristic measured by a step-down voltage in a proper voltage range.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供能够容易且高精度地测量粘度和系数η的旋转系数γ 1 的液晶粘度系数的测量方法和装置, N型液晶单元的Miesowicz的剪切粘度的 1 ,η 2 。 解决方案:通过在布置两个正交偏振器中的任一个的每个光轴的状态下改变升压电压的电压范围来执行对所施加的升压电压的响应的观察一次或多次 在具有垂直结构的液晶单元样品和样品的两侧并联调节,从而确定去除了漏光的电压范围。 然后,在每个光轴交叉的状态下,在由确定的电压范围内的升压电压测量的ON-响应特性来确定粘度的旋转系数γ 1 的值 45°,然后从适当的降压电压测量的OFF响应特性确定剪切粘度的系数η 1 ,η 2 的每个值 电压范围 版权所有(C)2007,JPO&INPIT
    • 47. 发明专利
    • Color imaging/color display device
    • 彩色成像/彩色显示设备
    • JP2006158962A
    • 2006-06-22
    • JP2005323987
    • 2005-11-08
    • Pentax CorpSoyou CorpTohoku Univペンタックス株式会社国立大学法人東北大学有限会社ソーユー
    • UCHIDA TATSUOSUZUKI YOSHITOSUGIURA TAKESHITANIGUCHI YUKIO
    • A61B1/04G02B23/24G02B23/26H04N5/225
    • PROBLEM TO BE SOLVED: To provide a color imaging/color display device for imaging reflected light of illuminating light and displaying its image at real time in color on a display of the display device, at a low cost by further simplifying configuration.
      SOLUTION: This device uses an illuminating light source 12 for switching the light of fundamental colors in predetermined order to project the light, as an illuminating means, uses a solid imaging element 2 for black and white as an imaging means, and uses a backlight-type black-white liquid crystal display element 24 capable of changing the color of light of the backlight 24 to the same fundamental color synchronously with the color change of light of the light source, as the display of the display device 20. When the illuminating light source 12 emits light of a certain fundamental color, the color of the backlight 24 when an image signal by the solid imaging element 2 of an observation image (a photographed object image) by the light is displayed by the liquid crystal display element 22, turns into the fundamental color emitted from the light source.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于对照明光的反射光进行成像并在显示装置的显示器上实时显示其图像的彩色成像/彩色显示装置,通过进一步简化配置,以低成本。 解决方案:该装置使用照明光源12,以预定的顺序切换基色的光,以投射光,作为照明装置,使用用于黑白的固体成像元件2作为成像装置,并且使用 作为显示装置20的显示器,能够将背光源24的光的颜色与光源的颜色变化同步地改变为相同基色的背光式黑白液晶显示元件24.当 照明光源12发出某种基本色的光,当由液晶显示元件显示由光的观察图像(拍摄对象图像)的固体成像元件2的图像信号时的背光源24的颜色 22,变成从光源发射的基本颜色。 版权所有(C)2006,JPO&NCIPI
    • 48. 发明专利
    • Screen for rear projection display
    • 屏幕用于后期投影显示
    • JP2005331631A
    • 2005-12-02
    • JP2004148647
    • 2004-05-19
    • Tohoku Univ国立大学法人東北大学
    • KATAGIRI BAKUISHINABE TAKAHIROUCHIDA TATSUO
    • G02B5/02G03B21/62
    • PROBLEM TO BE SOLVED: To provide a screen for rear projection display which is constituted of a simple structure capable of preventing back scattering and moire from occurring on complicated air boundaries, where the brightness of a picture plane is hardly changed over a wide observation angle range and on which a high-quality picture is displayed.
      SOLUTION: The screen for rear projection display 30 is composed by superposing a plurality of diffusing films 2 to diffuse incident light from a predetermined angle area within the predetermined angle area, and constituted so that the diffusion angle areas 7 of the laminated diffusion films may be superposed. It is desirable to set the intensity of the entire light diffused after it is made incident on the superposed diffusion angle areas to ≥5% of the intensity of diffused light of the entire laminated diffusion films.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种背投显示屏幕,其由能够防止在复杂空气边界上发生的背散射和莫尔条纹的简单结构构成,其中图像平面的亮度几乎不变化 观察角度范围,并显示高质量图像。 解决方案:用于背投显示器30的屏幕是通过叠加多个漫射膜2来构成的,以将预定角度区域内的预定角度区域的入射光扩散,并且构成为使得层叠扩散部的扩散角区域7 电影可能重叠。 期望将其入射到叠加扩散角区域之后的漫射光的整体强度设定为整个层叠扩散膜的扩散光强度的≥5%。 版权所有(C)2006,JPO&NCIPI
    • 49. 发明专利
    • Screen and projection system
    • 屏幕和投影系统
    • JP2013088543A
    • 2013-05-13
    • JP2011227653
    • 2011-10-17
    • Seiko Epson Corpセイコーエプソン株式会社Tohoku Univ国立大学法人東北大学
    • ARAKAWA OSAMUSHINDO HIROYUKIHASHIZUME TOSHIAKIUCHIDA TATSUOSUZUKI YOSHITOKATAGIRI BAKU
    • G03B21/14G02B5/02G03B21/60
    • G03B21/60G03B21/28
    • PROBLEM TO BE SOLVED: To provide a screen which allows an observation distance to be adjusted while brightness of an image is being maintained, and further to provide a projection system using the screen.SOLUTION: In an optical control layer 3 of a screen 10, a first angle region ω which determines diffusion distribution of reflected light is set to be different for different positions on the screen 10 regarding a control direction D1 for performing diffusion control of light. On account of this, by adjusting diffusion distribution of image light emitted from a surface of the screen 10, in response to a position on the screen 10, to be greatly inclined toward a lower side as the position is closer to an upper end UE side and to be greatly inclined toward an upper side as the position is closer to a lower end BE side, for example, a direction in which the image light is diffused and emitted is set to correspond to a position of an observer assumed with magnitude of an angle range to be diffused remaining 30° without any change in angle, a projection image can be observed while brightness of an image is being maintained and an observation distance L can be adjusted to be shortened.
    • 要解决的问题:提供一种允许在保持图像的亮度的同时调整观察距离的屏幕,并且还提供使用该屏幕的投影系统。 解决方案:在屏幕10的光学控制层3中,确定反射光的扩散分布的第一角度区域ω被设置为对于用于执行扩散控制的控制方向D1的屏幕10上的不同位置不同 光。 因此,通过调节从屏幕10的表面发射的图像光的扩散分布,响应于屏幕10上的位置,随着位置更靠近上端UE侧而大大向下倾斜 并且由于位置更靠近下端BE侧而大致倾向于上侧,例如,将图像光漫射和发射的方向设置为对应于以大小为大小的假设的观察者的位置 要扩散的角度范围保持30°而没有任何角度变化,可以在保持图像的亮度并且可以缩短观察距离L的同时观察投影图像。 版权所有(C)2013,JPO&INPIT
    • 50. 发明专利
    • Image display device and screen used for the same
    • 图像显示装置和用于其的屏幕
    • JP2012247646A
    • 2012-12-13
    • JP2011119631
    • 2011-05-27
    • Tohoku Univ国立大学法人東北大学
    • KAWAKAMI TORUSUZUKI YOSHITOKATAGIRI BAKUISHINABE TAKAHIROUCHIDA TATSUO
    • G03B21/60G02B3/00G02B3/06G02B27/02G03B21/00
    • PROBLEM TO BE SOLVED: To display images to persons present in respective diffusion angle ranges from angles corresponding to the diffusion angle ranges, by projecting a plurality of image light beams from respectively different angles to a screen Sc, and diffusing and radiating the image light beams into respectively different diffusion angle ranges.SOLUTION: A plurality of different image light beams are projected to one screen Sc without an overlap nor a gap from directions in an incident angle ranges. The screen Sc diffuses the plurality of projected different image light beams into respectively different directions without an overlap nor a gap in a plurality of diffusion angle ranges, so that a plurality of different images are displayed on the screen Sc toward respectively different directions.
    • 要解决的问题:通过将来自分别不同角度的多个图像光束投影到屏幕Sc,将相应扩散角范围内的各个角度的图像显示在与扩散角范围相对应的角度上,并且扩散和辐射 图像光束分别成为不同的扩散角范围。 解决方案:将多个不同的图像光束投射到一个屏幕Sc,而不会与入射角度范围内的重叠或与方向有间隙。 屏幕Sc将多个投影的不同图像光束分散到分别不同的方向上,而不会在多个扩散角范围内重叠或间隙,使得多个不同的图像朝向分别不同的方向显示在屏幕Sc上。 版权所有(C)2013,JPO&INPIT