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    • 41. 发明授权
    • Liquid crystal display with opening in reflective electrode
    • 具有反射电极开口的液晶显示器
    • US08013955B2
    • 2011-09-06
    • US12444901
    • 2007-06-19
    • Hiromi KatohChristopher Brown
    • Hiromi KatohChristopher Brown
    • G02F1/1335
    • G02F1/13338G02F1/133514G02F2001/13312
    • A liquid crystal display is provided that can achieve an improvement in sensitivity of a photodiode disposed within a display region of an active matrix substrate. To this end, a liquid crystal display is used that includes: an active matrix substrate 1 in which a plurality of pixels are arranged in matrix form; and a counter substrate in which a color filter is provided. In the liquid crystal display, the active matrix substrate 1 includes a photodiode 11 within a display region, and the color filter includes colored areas 6a to 6c that are in one-to-one correspondence with sub-pixels 5a to 5c that constitute a pixel. Each of the colored areas 6a to 6c includes a high-transmittance portion 31 having a transmittance higher than a transmittance of a periphery of the high-transmittance portion 31. Of these colored areas 6a to 6c, the colored area 6a is formed so that the high-transmittance portion 31 positionally coincides with an i layer 13 (light detection region) of the photodiode 11 in a thickness direction of the liquid crystal display.
    • 提供一种液晶显示器,其可以实现设置在有源矩阵基板的显示区域内的光电二极管的灵敏度的提高。 为此,使用液晶显示器,其包括:以矩阵形式布置多个像素的有源矩阵基板1; 以及设置有滤色器的对置基板。 在液晶显示器中,有源矩阵基板1在显示区域内包括光电二极管11,并且滤色器包括与构成像素的子像素5a至5c一一对应的着色区域6a至6c 。 每个着色区域6a至6c包括具有高于高透光率部分31的周边的透射率的透射率的高透射率部分31.在这些着色区域6a至6c中,形成着色区域6a, 高透光率部31与液晶显示器的厚度方向的光电二极管11的i层13(光检测区域)位置重合。
    • 42. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20110080390A1
    • 2011-04-07
    • US12995796
    • 2009-05-28
    • Hiromi KatohChristopher Brown
    • Hiromi KatohChristopher Brown
    • G06F3/038
    • G06F3/0412G02F1/13338G02F2001/13312G06F3/042H01L31/101
    • Provided is a display device with a photosensor having little variation between sensors. The display device includes a photosensor in a pixel region of an active matrix substrate. The photosensor includes a photodetection element (M4) that receives incident light, a capacitor (C1) , one electrode of which is connected to the photodetection element (M4), that accumulates output current from the photodetection element, reset signal wiring (RST) that supplies a reset signal to the photosensor, readout signal wiring (RWS) that supplies a readout signal to the photosensor, and a sensor switching element (M2) that, in accordance with the readout signal, reads out the output current accumulated in the capacitor (C1) from when the reset signal is supplied until when the readout signal is supplied. A phototransistor is used as the photodetection element (M4).
    • 提供了一种具有光传感器的显示装置,传感器之间的变化很小。 显示装置包括在有源矩阵基板的像素区域中的光电传感器。 光传感器包括接收入射光的光电检测元件(M4),其一个电极连接到光电检测元件(M4)的电容器(C1),其累积来自光电检测元件的输出电流,复位信号布线(RST) 向光电传感器提供复位信号,向光传感器提供读出信号的读出信号布线(RWS)以及根据读出信号读出积存在电容器中的输出电流的传感器开关元件(M2) C1)从提供复位信号直到提供读出信号时。 光电晶体管用作光电检测元件(M4)。
    • 43. 发明申请
    • PHOTODETECTOR AND DISPLAY DEVICE PROVIDED WITH THE SAME
    • 照相机和显示设备
    • US20100193804A1
    • 2010-08-05
    • US12601990
    • 2008-06-12
    • Christopher BrownHiromi Katoh
    • Christopher BrownHiromi Katoh
    • H01L33/00H01L31/105
    • G02F1/13318G02F1/1362G02F2001/13312G02F2201/58H01L31/02164H01L31/02165H01L31/035281H01L31/105Y02E10/50
    • Provided are a photodetector capable of suppressing variations in the output characteristics among photodiodes, and a display device provided with the photodetector. A display device in use has an active matrix substrate (20) including a transparency base substrate (2), a plurality of active elements and a photodetector. The photodetector includes a light-shielding layer (3) provided on one main surface of the base substrate (2), a photodiode (1) arranged on an upper layer of the light-shielding layer (3), and an electrode (12) arranged in the vicinity of the photodiode (1) on the upper layer of the light-shielding layer (3). The photodiode (1) includes a silicon layer (11), and the silicon layer (11) is insulated electrically from the light-shielding layer (3). The electrode (12) is insulated electrically from the light-shielding layer (3) and the silicon layer (11). The light-shielding layer (3) is formed so that a part thereof is overlapped with the entire silicon layer (11) and the other part is overlapped with the electrode (12) in the thickness direction of the base substrate (2).
    • 提供一种能够抑制光电二极管之间的输出特性的变化的光检测器和具有该光检测器的显示装置。 使用的显示装置具有包括透明性基板(2),多个有源元件和光电检测器的有源矩阵基板(20)。 光电检测器包括设置在基底基板(2)的一个主表面上的遮光层(3),布置在遮光层(3)的上层上的光电二极管(1)和电极(12) 布置在遮光层(3)的上层上的光电二极管(1)附近。 光电二极管(1)包括硅层(11),硅层(11)与遮光层(3)电绝缘。 电极(12)与遮光层(3)和硅层(11)电绝缘。 遮光层(3)形成为使得其一部分与整个硅层(11)重叠,另一部分在基底(2)的厚度方向上与电极(12)重叠。
    • 45. 发明授权
    • Optical sensor and display apparatus
    • 光学传感器和显示装置
    • US08759739B2
    • 2014-06-24
    • US13377100
    • 2010-06-15
    • Kohei TanakaChristopher Brown
    • Kohei TanakaChristopher Brown
    • G01J1/44
    • G06F3/0412G02F1/13318G02F2203/60G06F3/042G09G3/3648G09G2320/041G09G2360/144
    • Provided are an optical sensor having a wider dynamic range with reduced temperature dependence, and a display apparatus in which these optical sensors are used. An optical sensor includes an accumulation node (INT); a reset signal line (RST); a readout signal line (RWS); a photodiode (D1) (photodetecting element); a photodiode (D2) (reference element) that has a light-shielding layer; a thin-film transistor (M1) (first switching element) that outputs a potential of the accumulation node (INT) in response to the readout signal during a sensing period; and a thin-film transistor (M2) (second switching element) that is provided between the accumulation node (INT) and the photodiode (D2), and that electrically separates the accumulation node (INT) from the photodiode (D2) when the potential of the accumulation node (INT) upon supply of the readout signal is higher than a potential on a side of the photodiode (D2) opposite to the accumulation node (INT).
    • 提供了具有较低温度依赖性的较宽动态范围的光学传感器,以及使用这些光学传感器的显示装置。 光学传感器包括累积节点(INT); 复位信号线(RST); 读出信号线(RWS); 光电二极管(D1)(受光元件); 具有遮光层的光电二极管(D2)(参考元件) 在感测期间响应于读出信号而输出累积节点(INT)的电位的薄膜晶体管(M1)(第一开关元件) 以及设置在所述累积节点(INT)和所述光电二极管(D2)之间的电薄膜晶体管(M2)(第二开关元件),并且当所述电位(D2)与所述光电二极管 在提供读出信号时,累积节点(INT)的电位高于与累积节点(INT)相反的光电二极管(D2)侧的电位。
    • 48. 发明申请
    • TOUCH-SCREEN DEVICE INCLUDING TACTILE FEEDBACK ACTUATOR
    • 触摸屏设备,包括触觉反馈执行器
    • US20120268386A1
    • 2012-10-25
    • US13089389
    • 2011-04-19
    • James Robert KARAMATHChristopher Brown
    • James Robert KARAMATHChristopher Brown
    • G06F3/041
    • G06F3/016G06F3/041
    • A touch-screen device includes a display; a tactile feedback actuator arranged on the display, including a first substrate, a second substrate facing the first substrate, the first substrate and the second substrate being parallel to each other in a lateral direction, and movable relative to each other in the lateral direction; and an electrode arrangement on the first substrate and the second substrate, whereby a potential difference applied across two or more electrodes in the electrode arrangement produces an electrostatic force in the lateral direction between the first substrate and the second substrate; and a controller configured to apply a time-varying potential difference across the two or more electrodes such that the resultant electrostatic force varies in the lateral direction and induces oscillatory lateral movement of the first substrate relative to the second substrate.
    • 触摸屏设备包括显示器; 布置在显示器上的触觉反馈致动器,包括第一基板,面向第一基板的第二基板,第一基板和第二基板在横向方向上彼此平行,并且在横向上可相对于彼此移动; 以及在所述第一基板和所述第二基板上的电极布置,由此在所述电极布置中的两个或更多个电极上施加的电位差​​在所述第一基板和所述第二基板之间沿横向方向产生静电力; 以及控制器,被配置为在两个或更多个电极之间施加时变电位差,使得所得到的静电力在横向上变化并且引起第一衬底相对于第二衬底的振荡横向移动。
    • 49. 发明授权
    • Comparator circuit and display device provided with the same
    • 比较器电路和显示装置提供相同的
    • US08289053B2
    • 2012-10-16
    • US12737023
    • 2009-03-17
    • Yasuyuki OgawaChristopher Brown
    • Yasuyuki OgawaChristopher Brown
    • H03K5/22
    • G09G3/3688G09G2320/043G09G2370/14H01L29/7855H03K3/356104H03K5/2481H03K2217/0018
    • An inverter is configured by double gate TFTs, and an inverter is configured by double gate TFTs. Top gate terminals of the TFTs that configure the inverter are connected to an input terminal DAT(+), and bottom gate terminals are connected to an output of the inverter and an output terminal OUT. Bottom gate terminals of the TFTs that configure the inverter are connected to an input terminal DAT(−), and bottom gate terminals are connected to an output of the inverter. With this, threshold voltages of the inverters are controlled so as to facilitate switching operations of the inverters, and whereby the comparator circuit operates at a high speed. It is possible to obtain a comparator circuit that is insusceptible to a variation in the threshold voltages of the transistors and fluctuation of a common mode voltage of an input signal and capable of operating at a high speed.
    • 逆变器由双栅极TFT构成,反相器由双栅极TFT构成。 配置变频器的TFT的顶栅端子连接到输入端子DAT(+),底栅端子连接到变频器的输出端和输出端子OUT。 配置变频器的TFT的底栅端子连接到输入端子DAT( - ),底栅端子连接到变频器的输出端。 由此,控制逆变器的阈值电压,以便于逆变器的开关操作,并且由此比较器电路以高速运行。 可以获得对晶体管的阈值电压变化不敏感的比较器电路和输入信号的共模电压的波动并且能够以高速运行。