Liquid crystal display using liquid crystal with bend alignment and driving method thereof

    公开(公告)号:US06927825B1

    公开(公告)日:2005-08-09

    申请号:US09568897

    申请日:2000-05-11

    摘要: When a transition voltage, which is higher than a display voltage for image display, is applied to liquid crystal, the liquid crystal can transition to a bend alignment. Therefore, by applying a transition voltage to liquid crystal prior to image display period only for a transition time which depends on a transition voltage so as to cause a bend transition in the liquid crystal, an OCB mode LCD with a high speed response can be obtained. An interval d between pixel regions is set to be less than, for example, a transition distance of 5 μm, so that a bend transition expands over inter-pixel regions to thereby achieve a bend transition all over the display region. In an active matrix type LCD, a electrical field is caused to be generated between a common electrode and data lines or gate lines disposed between pixel electrodes due to application of a transition voltage to the common electrode, thereby obtaining a bent transition over the entire surface of the display screen. Further, a pretilt angle set by an alignment film is determined to be 1.2° or more, such that a great number of transition sources for causing a bend transition are generated to thereby secure a high speed bend transition. Also, the pretilt angle is set to be 3° or less for accelerating a response time in a bend alignment.

    Liquid crystal display using liquid crystal with bend alignment and driving method thereof
    2.
    发明申请
    Liquid crystal display using liquid crystal with bend alignment and driving method thereof 审中-公开
    使用具有弯曲取向的液晶的液晶显示器及其驱动方法

    公开(公告)号:US20050174518A1

    公开(公告)日:2005-08-11

    申请号:US11103848

    申请日:2005-04-12

    摘要: When a transition voltage, which is higher than a display voltage for image display, is applied to liquid crystal, the liquid crystal can transition to a bend alignment. Therefore, by applying a transition voltage to liquid crystal prior to image display period only for a transition time which depends on a transition voltage so as to cause a bend transition in the liquid crystal, an OCB mode LCD with a high speed response can be obtained. An interval d between pixel regions is set to be less than, for example, a transition distance of 5 μm, so that a bend transition expands over inter-pixel regions to thereby achieve a bend transition all over the display region. In an active matrix type LCD, a electrical field is caused to be generated between a common electrode and data lines or gate lines disposed between pixel electrodes due to application of a transition voltage to the common electrode, thereby obtaining a bent transition over the entire surface of the display screen. Further, a pretilt angle set by an alignment film is determined to be 1.2° or more, such that a great number of transition sources for causing a bend transition are generated to thereby secure a high speed bend transition. Also, the pretilt angle is set to be 3° or less for accelerating a response time in a bend alignment.

    摘要翻译: 当高于用于图像显示的显示电压的转变电压被施加到液晶时,液晶可以转变到弯曲取向。 因此,通过在图像显示周期之前仅对依赖于转换电压的过渡时间施加转换电压以使液晶中的弯曲转变,可以获得具有高速响应的OCB模式LCD 。 像素区域之间的间隔d被设定为小于例如5μm的过渡距离,使得弯曲过渡在像素间区域上扩展,从而在整个显示区域上实现弯曲转变。 在有源矩阵型LCD中,由于向公共电极施加过渡电压,在公共电极与设置在像素电极之间的数据线或栅极线之间产生电场,从而在整个表面上获得弯曲过渡 的显示屏幕。 此外,由取向膜设定的预倾角被确定为1.2°以上,使得产生大量用于引起弯曲转变的过渡源,从而确保高速弯曲转变。 此外,为了加速弯曲取向的响应时间,预倾角被设定为3°以下。

    Reflective liquid crystal display device
    3.
    发明授权
    Reflective liquid crystal display device 有权
    反光液晶显示装置

    公开(公告)号:US07847883B2

    公开(公告)日:2010-12-07

    申请号:US11436638

    申请日:2006-05-19

    申请人: Norio Koma

    发明人: Norio Koma

    IPC分类号: G02F1/1335

    摘要: The invention is directed to the higher contrast in a liquid crystal display device (LCD) having a lighting portion as a front light. A lighting portion is formed by interposing an organic EL layer between a transparent substrate and a transparent substrate. A light shield layer is formed covering a cathode layer of the organic EL element layer. The lighting portion is disposed above the reflective LCD. The reflective LCD has a polarizing plate, a light scattering layer, an opposing substrate, a common electrode, a liquid crystal layer, and a TFT substrate. When the refractive indexes of seven layers of an anode layer, the transparent substrate, a resin layer, the polarizing plate, the light scattering layer, the opposing substrate, and the common electrode are defined as n(1), n(2), n(3), n(4), n(5), n(6), and n(7) respectively, the relation of 1.33>n(k)/n(k+1)>0.75(k=1−6) holds.

    摘要翻译: 本发明涉及具有照明部分作为前灯的液晶显示装置(LCD)中的较高对比度。 通过在有机EL层之间插入透明基板和透明基板之间形成照明部。 覆盖有机EL元件层的阴极层的遮光层形成。 照明部设置在反射型LCD的上方。 反射型LCD具有偏振片,光散射层,相对基板,公共电极,液晶层,TFT基板。 当阳极层,透明衬底,树脂层,偏振片,光散射层,相对衬底和公共电极的七层的折射率被定义为n(1),n(2), n(3),n(4),n(5),n(6)和n(7)分别为1.33> n(k)/ n(k + 1)> 0.75(k = 6)成立。

    Heads-up display system
    4.
    发明授权
    Heads-up display system 有权
    前置显示系统

    公开(公告)号:US07602450B2

    公开(公告)日:2009-10-13

    申请号:US11487082

    申请日:2006-07-14

    IPC分类号: G02F1/1335

    CPC分类号: G02B27/0101 G02B2027/0118

    摘要: A heads-up display system includes a liquid crystal display unit that can change optical characteristics in accordance with a video signal. The light modulated by the liquid crystal display unit is projected on a surface of a transparent plate that can reflect the light so as to realize a projection display. The light projected on the transparent plate is polarized light having a transmission axis extending in a direction parallel to a line defining the center with respect to incident light and reflective light of the transparent plate.

    摘要翻译: 平视显示系统包括可以根据视频信号改变光学特性的液晶显示单元。 由液晶显示单元调制的光被投射在可以反射光的透明板的表面上,以实现投影显示。 投影在透明板上的光是具有透射轴的偏振光,透射轴相对于透明板的入射光和反射光在与限定中心的线平行的方向上延伸。

    Liquid crystal display
    6.
    发明授权
    Liquid crystal display 有权
    液晶显示器

    公开(公告)号:US07133101B2

    公开(公告)日:2006-11-07

    申请号:US10773779

    申请日:2004-02-06

    申请人: Norio Koma

    发明人: Norio Koma

    IPC分类号: G02F1/1343

    摘要: A liquid crystal display is disclosed in which a TFT is formed by forming on a substrate (10), a gate electrode (11), a gate insulation film (13), an a-Si layer (14), an etching stopper (15), an (N+a-Si) layer (16), a source electrode (17), and a drain electrode (18) in this sequence. Covering this TFT, an inter-layer insulation film (20) is formed, on which a pixel electrode (22) is then formed. In a common electrode (31), there is formed an orientation control window (32) where no electrodes are situated. With this arrangement, it is possible to prevent the orientation of liquid crystal molecules from being disturbed due to the influence of electric fields generated by the gate electrode (11), the drain electrode (18), or their respective associated lines. As a result, the orientation of liquid crystal molecules is effectively controlled through electric fields generated in the sloped direction around the edges of the pixel electrode (22) and orientation control window (32), thereby obtaining preferable pixel dividing and a wider range of visibility.

    摘要翻译: 公开了一种液晶显示器,其中通过在基板(10),栅电极(11),栅极绝缘膜(13),a-Si层(14),蚀刻停止器(15)上形成TFT ),(N + S +α-Si)层(16),源电极(17)和漏电极(18)。 覆盖该TFT,形成层间绝缘膜(20),然后形成像素电极(22)。 在公共电极(31)中形成有不设电极的取向控制窗(32)。 通过这种布置,可以防止由于栅电极(11),漏电极(18)或其各自的相关线产生的电场的影响而液晶分子的取向受到干扰。 结果,通过在像素电极(22)和取向控制窗(32)的边缘周围的倾斜方向产生的电场来有效地控制液晶分子的取向,从而获得优选的像素分割和更宽的可见度范围 。

    Liquid crystal display apparatus having a transparent layer covering a reflective layer
    7.
    发明授权
    Liquid crystal display apparatus having a transparent layer covering a reflective layer 失效
    具有覆盖反射层的透明层的液晶显示装置

    公开(公告)号:US07133094B2

    公开(公告)日:2006-11-07

    申请号:US10376721

    申请日:2003-02-28

    IPC分类号: G02F1/1343

    CPC分类号: G02F1/133555 G02F1/133553

    摘要: A reflective layer for reflecting light incident from a second substrate side and transmitting through a second electrode made of ITO or the like is formed above a first substrate, a switching element provided for each pixel, and an insulating film covering the switching element, the reflective layer being insulated from the switching element. A first electrode having a work function similar to the second electrode and made of a transparent conductive material such as ITO is formed more proximate to a liquid crystal layer than is the reflective layer and is connected to the switching element. The thickness of the first electrode is set to 100 Å or less or in a range approximately from 750 Å to 1250 Å. Alternatively, the switching element maybe connected to the reflective electrode, the first electrode and the reflective electrode which are formed with an insulating film therebetween may be capacitively coupled, and the first electrode may be driven by the reflective electrode via the capacitor.

    摘要翻译: 用于反射从第二基板侧入射并通过由ITO等制成的第二电极透射的光的反射层形成在第一基板上,设置在每个像素上的开关元件以及覆盖开关元件的绝缘膜,反射层 层与开关元件绝缘。 具有与第二电极类似的功能类似于ITO等透明导电材料的功函的第一电极比反射层更靠近液晶层,并与开关元件连接。 第一电极的厚度设定为大于或等于或大于750埃至1250埃。 或者,开关元件可以连接到反射电极,在其间形成有绝缘膜的第一电极和反射电极可以电容耦合,并且第一电极可以由反射电极经由电容器驱动。

    Liquid crystal display device
    8.
    发明申请
    Liquid crystal display device 有权
    液晶显示装置

    公开(公告)号:US20060221284A1

    公开(公告)日:2006-10-05

    申请号:US11362350

    申请日:2006-02-27

    IPC分类号: G02F1/1335

    摘要: This invention offers a liquid crystal display device with which each of a plurality of observers can visually recognize each of two different images displayed on a single liquid crystal display panel respectively. The liquid crystal display device of this invention includes a light source for backlighting, a first polarizing plate to extract linearly polarized light from the light source for backlighting, a polarization control LCD composed of a liquid crystal layer divided into a plurality of columns and controlling an optical retardation of each of the plurality of columns, lenticular lenses disposed along the columns, a first retardation plate in which a row having a first optical retardation and a row having another optical retardation that is different from the first optical retardation are disposed alternately, a display LCD and a second and a third polarizing plates between which the display LCD is interposed.

    摘要翻译: 本发明提供了一种液晶显示装置,通过该液晶显示装置,多个观察者中的每一个可以分别视觉识别显示在单个液晶显示面板上的两个不同图像中的每一个。 本发明的液晶显示装置包括背光用光源,从背光用光源提取线偏振光的第一偏光板,由分割成多列的液晶层构成的偏光控制LCD, 多个列中的每一个的光学延迟,沿着列设置的双凸透镜,具有第一光学延迟的行和具有与第一光学延迟不同的另一个光学延迟的行的第一延迟板交替地布置, 显示LCD和第二和第三偏振片,显示LCD插在显示LCD之间。

    Color liquid crystal display
    9.
    发明申请
    Color liquid crystal display 有权
    彩色液晶显示

    公开(公告)号:US20060145980A1

    公开(公告)日:2006-07-06

    申请号:US11369586

    申请日:2006-03-06

    申请人: Norio Koma

    发明人: Norio Koma

    IPC分类号: G09G3/36

    摘要: In an ECB LCD, in which a liquid crystal layer enclosed between a pair of substrates is driven based on R, G, B signals so that transmittance of R, G, B light components at the liquid crystal layer is controlled for color display, the voltage levels of the liquid crystal driving signals for R, G, B light are set such that the optimum transmittance, i.e., the maximum transmittance, can be achieved with respect to the R, G, B light components. With this arrangement, wavelength dependency, if any, of the liquid crystal with respect to the light coming into the light crystal layer can be modified so that color display is achieved with superior color reproducibility.

    摘要翻译: 在ECB LCD中,其中基于R,G,B驱动包围在一对基板之间的液晶层,从而控制液晶层上的R,G,B光成分的透射率进行彩色显示, R,G,B光的液晶驱动信号的电压电平被设定为可以相对于R,G,B光分量实现最佳透射率,即最大透射率。 利用这种布置,可以改变液晶相对于进入光晶层的光的波长依赖性(如果有的话),使得以卓越的色彩再现性实现彩色显示。

    Liquid crystal display device
    10.
    发明申请
    Liquid crystal display device 审中-公开
    液晶显示装置

    公开(公告)号:US20050270462A1

    公开(公告)日:2005-12-08

    申请号:US11132796

    申请日:2005-05-19

    申请人: Norio Koma

    发明人: Norio Koma

    摘要: A liquid crystal display device is configured by sealing a liquid crystal layer between a first substrate including a first electrode and a second substrate including a second electrode. Each pixel region includes an alignment controller for dividing liquid crystal alignment within one pixel into multiple sections having different alignment directions. The alignment controller at least includes a region in which an electrode absent portion and a protrusion including a slant surface protruding toward the liquid crystal layer are formed at the same location in an overlapping manner on at least one of the first substrate or the second substrate side. Using both the liquid crystal alignment control effected by an adjustable electric field generated at the electrode absent portion and the alignment control effected by the slant surface of the protrusion, alignment division of the liquid crystal can be reliably performed within a small area.

    摘要翻译: 通过在包括第一电极的第一基板和包括第二电极的第二基板之间密封液晶层来构造液晶显示装置。 每个像素区域包括用于将一个像素内的液晶排列分成具有不同对准方向的多个部分的对准控制器。 对准控制器至少包括在第一基板或第二基板侧中的至少一个上以重叠的方式在相同位置处形成电极不存在部分和包括朝向液晶层突出的倾斜表面的突起的区域 。 使用由在电极不存在部分产生的可调节电场和由突起的倾斜表面实现的对准控制实现的液晶取向控制,可以在小的范围内可靠地执行液晶的对准分割。