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    • 11. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120062817A1
    • 2012-03-15
    • US13322137
    • 2010-02-22
    • Yuuichi KanbayashiTadashi NemotoRyuzo YukiHiroaki ShigetaNaru UsukuraHiromi Katoh
    • Yuuichi KanbayashiTadashi NemotoRyuzo YukiHiroaki ShigetaNaru UsukuraHiromi Katoh
    • G02F1/13357
    • G06F3/0412G02F1/13338G02F2001/13312G06F3/042G06F2203/04103
    • A liquid crystal display device 100 according to the present invention is provided with a liquid crystal panel 20 in which a liquid crystal layer 23 is disposed between an active matrix substrate 21 and an opposite substrate 22 and a backlight 10 that irradiates the liquid crystal panel 20 with light. The liquid crystal panel 20 has a plurality of optical sensor elements 30 that detect the intensity of received infrared light, and the backlight 10 has an infrared LED (light source) 12 that emits infrared light. On a device surface 100a, an infrared light transmissive sheet (infrared light partially transmissive portion) 50 that partially transmits infrared light is provided. The optical sensor elements 30 detect an input position from outside by detecting infrared light reflected from an inputting object such as a finger or the like placed on the device surface 100a. This way, an optical sensor integrated liquid crystal display device that can clearly distinguish whether or not an inputting object such as a finger or the like is touching the device surface can be achieved.
    • 根据本发明的液晶显示装置100具备液晶面板20,液晶面板20中,在有源矩阵基板21和相对基板22之间配置有液晶层23和照射液晶面板20的背光源10 用光。 液晶面板20具有检测接收到的红外光的强度的多个光学传感器元件30,背光源10具有发射红外光的红外LED(光源)12。 在器件表面100a上,设置有部分透射红外光的红外透光片(红外光部分透射部)50。 光传感器元件30通过检测从放置在装置表面100a上的诸如手指等的输入对象反射的红外光来检测来自外部的输入位置。 这样,可以实现能够清楚地识别手指等的输入对象是否正在接触设备表面的光学传感器集成液晶显示装置。
    • 14. 发明申请
    • LIQUID CRYSTAL DISPLAY APPARATUS AND BACKLIGHT
    • 液晶显示装置和背光
    • US20110267560A1
    • 2011-11-03
    • US13143214
    • 2009-12-10
    • Naru Usukura
    • Naru Usukura
    • G02F1/13357G02F1/1335
    • G02B6/0053G02F1/133606G02F2001/133607
    • The present invention provides display with high light utilization efficiency, with increased luminance being provided in desired directions.A liquid crystal display device of the present invention has a plurality of pixels arranged in a matrix along a first direction and a second direction which are perpendicular to each other, and includes: a TFT substrate; a counter substrate; a liquid crystal layer interposed between the TFT substrate and the counter substrate; an optical film including a polarizer provided on a surface of the TFT substrate which is opposite to the liquid crystal layer; and a backlight provided on a side of the optical film which is opposite to the TFT substrate, wherein the backlight includes an optical element layer provided on a side of the light guide plate which is closer to the optical film, and the optical element layer includes a plurality of lenticular lenses extending in the first direction, each of the lenticular lenses having a light receiving surface protruding toward the light guide plate.
    • 本发明提供具有高的光利用效率的显示,并且在期望的方向上提供增加的亮度。 本发明的液晶显示装置具有沿着彼此垂直的第一方向和第二方向排列成矩阵状的多个像素,包括:TFT基板; 相对基板; 插入在TFT基板和对置基板之间的液晶层; 光学膜,包括设置在与TFT液晶层相对的TFT基板的表面上的偏振片; 以及设置在与TFT基板相反的一侧的背光源,其中,所述背光源包括设置在所述导光板的靠近所述光学膜的一侧的光学元件层,并且所述光学元件层包括 沿第一方向延伸的多个双凸透镜,每个双凸透镜具有朝向导光板突出的光接收表面。
    • 17. 发明申请
    • Substrate with a spacer, panel, liquid crystal display panel, method of manufacturing panel and method of manufacturing liquid crystal display panel
    • 具有间隔件,面板,液晶显示面板,面板制造方法和制造液晶显示面板的方法的基板
    • US20070121051A1
    • 2007-05-31
    • US10574617
    • 2004-10-08
    • Naoto YokoyamaNaru Usukura
    • Naoto YokoyamaNaru Usukura
    • G02F1/1339
    • G02F1/13394G02F2001/13396
    • A liquid crystal display panel includes two substrates fixed together by a seal member with their main surfaces opposed to each other, liquid crystal sealingly stored in a region surrounded by the two substrates and the seal member, and a plurality of columnar spacers arranged in a region surrounded by the two substrates and the seal member. A number density of the columnar spacers in a low-density region near the inner side of the seal member is smaller than that in a high-density region inside the low-density region. The substrate with the spacer has the substrate and the spacer formed on the substrate. The spacer has at least a first spacer portion, and a second spacer portion formed above the first spacer portion. An upper portion of the first spacer has a larger diameter than a bottom of the second spacer portion.
    • 液晶显示面板包括两个基板,它们通过密封构件彼此相对固定在一起,液晶密封地存储在由两个基板和密封构件包围的区域中,多个柱状间隔件布置在区域 被两个基板和密封件包围。 在密封构件内侧附近的低密度区域中的柱状间隔物的密度小于低密度区域内的高密度区域的密度。 具有间隔物的基板具有衬底和衬底上形成的间隔物。 间隔物具有至少第一间隔部分和形成在第一间隔部分上方的第二间隔部分。 第一间隔件的上部具有比第二间隔部分的底部更大的直径。
    • 18. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20130120321A1
    • 2013-05-16
    • US13811993
    • 2011-07-22
    • Tadashi NemotoNaru UsukuraAkizumi Fujioka
    • Tadashi NemotoNaru UsukuraAkizumi Fujioka
    • G09G3/34
    • G09G3/3406G06F3/0412G06F3/042G09G3/3648G09G2330/025G09G2360/142
    • A photosensor-equipped display device is provided having a combination of visible and non-visible light sources where a voltage drop is minimized when the non-visible light source is turned on. The display device includes: an active matrix substrate; photosensors (9) provided in a pixel region (4) of the active matrix substrate; white LEDs (3a) configured to cause an image to be displayed in the pixel region (4); infrared LEDs (3b) configured to emit light to be reflected and sensed by the photosensors; and a light source control circuit (13) configured to control on and off of the white LEDs (3a) and the infrared LEDs (3b). The light source control circuit (13) reduces an amount of drive current supplied to the white LEDs (3a) while the infrared LEDs (3b) are on to below an amount of drive current supplied to the white LEDs (3a) when the infrared LEDs (3b) are off.
    • 提供了一种具有光电传感器的显示装置,其具有可见光和不可见光源的组合,其中当不可见光源被接通时电压降最小化。 显示装置包括:有源矩阵基板; 设置在有源矩阵基板的像素区域(4)中的光电传感器(9) 被配置为使像素区域(4)中显示图像的白色LED(3a); 红外LED(3b)被配置为发射光以被光电传感器反射和感测; 以及被配置为控制所述白色LED(3a)和所述红外线LED(3b)的接通和断开的光源控制电路(13)。 当红外线LED(3b)接通时,光源控制电路(13)减少提供给白色LED(3a)的驱动电流的量,使其低于提供给白色LED(3a)的驱动电流量,当红外LED (3b)关闭。
    • 19. 发明授权
    • Display device
    • 显示设备
    • US08373825B2
    • 2013-02-12
    • US13499159
    • 2010-11-30
    • Naru UsukuraHiromi Katoh
    • Naru UsukuraHiromi Katoh
    • G02F1/133
    • G06F3/0412G02F1/13318G02F1/133603G06F3/0416G06F3/042G09G3/3406G09G3/3648G09G2310/0237
    • To provide a display device having an input function that is not dependent on the light environment, multiple sensor pixel circuits that detect light in a specified detection period and hold the light amount when not in the specified detection period are disposed in a pixel region. In a frame in which input is performed using the sensor pixel circuits, a backlight is lit one time for a time in a frame period, and a first detection period and a second detection period are set one time each in the frame period. The difference between the light amount in the first detection period and the light amount in the second detection period is obtained using a difference circuit. The backlight is in an extinguished state at the beginning of the first detection period, and lighting of the backlight is started at a time during the first detection period.
    • 为了提供具有不依赖于光环境的输入功能的显示装置,在像素区域中设置有多个传感器像素电路,该传感器像素电路在不在指定的检测周期中检测指定检测周期的光并保持光量。 在使用传感器像素电路进行输入的帧中,在帧周期中一次点亮背光,并且在帧周期中将第一检测周期和第二检测周期设定为一次。 使用差分电路获得第一检测期间的光量与第二检测期间的光量之差。 背光源在第一检测周期开始时处于熄灭状态,并且在第一检测周期期间开始背光的点亮。
    • 20. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08279377B2
    • 2012-10-02
    • US12988216
    • 2009-01-23
    • Naru UsukuraToshiyuki YoshimizuSeishi KosegawaTadashi NemotoTakehiro Murao
    • Naru UsukuraToshiyuki YoshimizuSeishi KosegawaTadashi NemotoTakehiro Murao
    • G02F1/1335G09F13/04G02B27/10
    • G02F1/133526G02B3/0056G02B5/0215G02B6/0053G02F1/133504G02F2001/133607
    • A liquid crystal display device of high image quality is provided at a low cost, in which the viewing angle is restricted only in a specific direction. A liquid crystal display device of the present invention, which has a plurality of pixels in a matrix arrangement, includes: a first substrate; a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a plurality of microlenses provided on a surface of the first substrate which is opposite to the liquid crystal layer, the microlenses being arranged so as to correspond to the plurality of pixels, and each of the microlenses having a curved surface configured to collect incoming light, wherein d satisfies the following relationship: d>p.((2n)2−1)½ where d is a thickness of the first substrate, p is an arrangement pitch of the plurality of pixels, and n is a refractive index of the major material of the first substrate.
    • 以低成本提供高图像质量的液晶显示装置,其中视角仅在特定方向上被限制。 本发明的具有矩阵排列的多个像素的液晶显示装置包括:第一基板; 第二基板; 插入在第一基板和第二基板之间的液晶层; 以及多个微透镜,其设置在与所述液晶层相反的所述第一基板的表面上,所述微透镜被配置为与所述多个像素对应,并且所述微透镜具有被配置为收集入射光的曲面 其中d满足以下关系:d> p((2n)2-1)1/2其中d是第一衬底的厚度,p是多个像素的排列间距,n是折射率 第一基材的主要材料。