Display device
    1.
    发明授权
    Display device 有权
    显示设备

    公开(公告)号:US08643594B2

    公开(公告)日:2014-02-04

    申请号:US13438043

    申请日:2012-04-03

    IPC分类号: G09G3/36

    摘要: A display device with a touch pad function is provided which reduces the elements required to form a photo sensor while still accurately detecting input coordinate positions. The display device includes a display part on which a plurality of pixels are arranged in a matrix array, a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, wherein each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light, an integral capacitance which integrates the optical current converted by the photo sensor, and a comparator to which a voltage of the integral capacitance is inputted, and the comparator includes a transistor of an open drain output type with a grounded source.

    摘要翻译: 提供具有触摸板功能的显示装置,其减少了形成光传感器所需的元件,同时仍然准确地检测输入坐标位置。 显示装置包括:多个像素排列成矩阵的显示部,在显示部的内部排列成矩阵阵列的多个光检测电路,其中,多个像素的各光检测电路 光检测电路包括:光传感器,其将入射光转换成与入射光的强度相对应的光电流,积分电容,其对由光传感器转换的光电流进行积分,并将积分电容的电压 并且比较器包括具有接地源的开漏输出型晶体管。

    TOUCH PANEL AND DISPLAY DEVICE
    3.
    发明申请
    TOUCH PANEL AND DISPLAY DEVICE 有权
    触控面板和显示设备

    公开(公告)号:US20110261009A1

    公开(公告)日:2011-10-27

    申请号:US13090366

    申请日:2011-04-20

    IPC分类号: G06F3/044

    摘要: Provided is an electrostatic capacitance type touch panel, wherein lead lines are connected to respective end portions of at least either one of the X electrodes and the Y electrodes respectively, the touch panel further comprises an inspection electrode which is laminated to respective end portions of the at least either one of the X electrodes and the Y electrodes with an insulation film sandwiched therebetween on a side where the lead lines are not connected to the at least either one of the X electrodes and the Y electrodes, and a voltage for inspection is supplied to the inspection electrode during an inspection time and a voltage at the same phase as the drive voltage supplied to the at least either one of the X electrodes and the Y electrodes is supplied to the inspection electrode during a usual operation time.

    摘要翻译: 提供了一种静电电容式触摸面板,其中引线分别连接到X电极和Y电极中的至少一个的相应端部,触摸面板还包括检查电极,层叠到 在X电极和Y电极之间的至少任一个上,绝缘膜夹在两者之间,引线不连接至X电极和Y电极中的至少一个,并且提供检查电压 在检查时间期间向检查电极施加电压,并且在通常的操作时间期间将与提供给X电极和Y电极中的至少一个的驱动电压相同的电压提供给检查电极。

    Liquid Crystal Display Device For Displaying Video Data
    4.
    发明申请
    Liquid Crystal Display Device For Displaying Video Data 有权
    用于显示视频数据的液晶显示装置

    公开(公告)号:US20090040157A1

    公开(公告)日:2009-02-12

    申请号:US12245087

    申请日:2008-10-03

    IPC分类号: G09G3/36 H04N3/14

    摘要: A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.

    摘要翻译: 一种液晶显示装置,用于显示具有检测电路的视频数据,所述检测电路用于基于输入的视频数据检测亮度分布,所述亮度分布表示包括多个灰度的每个分割区域中的灰度的产生频率。 显示装置包括:确定电路,用于基于亮度分布来确定高于其他分割区域的多个分割区域中的至少一个分割区域;校正电路,用于校正视频数据以使亮度 具有比其他分割区域的亮度特性更高的分级区域的多个分割区域中的至少一个的特征,以及用于显示校正后的视频数据的液晶显示面板。 分割区域的宽度是可变的。

    Display device with touch panel
    5.
    发明申请
    Display device with touch panel 有权
    带触摸屏的显示设备

    公开(公告)号:US20090009486A1

    公开(公告)日:2009-01-08

    申请号:US12155609

    申请日:2008-06-06

    IPC分类号: G06F3/044

    摘要: A touch panel includes plural first electrodes extending in a first direction, plural second electrodes extending in a second direction different from the first direction, a driving circuit, a detection circuit, and a coordinate-position calculating circuit. The driving circuit sequentially selects two first electrodes out of the plural first electrodes, supplies a high potential voltage higher than a reference voltage to one of the selected two first electrodes, and supplies the reference voltage to the other, the detection circuit detects a capacitance difference (A-B) between a capacitor A between a selected one of the second electrodes and the first electrode to which the high potential voltage is supplied and a capacitor B between the selected second electrode and the first electrode to which the reference voltage is supplied, and the coordinate-position calculating circuit calculates a touch position on the touch panel touched by the observer on the basis of positions of the selected first and second electrodes and the capacitance difference (A-B).

    摘要翻译: 触摸面板包括沿第一方向延伸的多个第一电极,沿与第一方向不同的第二方向延伸的多个第二电极,驱动电路,检测电路和坐标位置计算电路。 驱动电路依次选择多个第一电极中的两个第一电极,将高于参考电压的高电位电压提供给所选择的两个第一电极之一,并将参考电压提供给另一个,检测电路检测电容差 在所选择的第二电极之间的电容器A与提供高电位电压的第一电极之间的电容器A与所选择的第二电极和提供参考电压的第一电极之间的电容器B之间的电容器A(AB) 坐标位置计算电路基于所选择的第一和第二电极的位置和电容差(AB)来计算由观察者触摸的触摸面板上的触摸位置。

    Multiple-tone display system
    10.
    发明授权
    Multiple-tone display system 失效
    多色调显示系统

    公开(公告)号:US06888525B2

    公开(公告)日:2005-05-03

    申请号:US10425834

    申请日:2003-04-30

    摘要: A dot matrix display system for multiple-tone displays, including a display device in which pixels are arrayed in a matrix shape, an LC (liquid-crystal) drive signal generator which converts color display data into LC display data, an 8-level data driver which selects one of 8-level voltages in accordance with the LC display data and then delivers the selected voltage, and an 8-level applied LC voltage generator by which the 8-level applied LC voltages to be applied to the pixels are produced so as to substantially make uniform color differences between the respectively adjacent tones of the multiple-tone displays. Owing to the substantially uniform color differences between the respectively adjacent tones, the multiple-tone displays which are uniformly seen by the human eye can be realized.

    摘要翻译: 一种用于多色调显示器的点阵显示系统,包括其中像素排列成矩阵形状的显示装置,将彩色显示数据转换为LC显示数据的LC(液晶)驱动信号发生器,8级数据 驱动器,其根据LC显示数据选择8级电压中的一个,然后传送所选择的电压;以及8级施加的LC电压发生器,由此产生要施加到像素的8电平施加的LC电压,使得 以便在多色调显示器的相邻相邻色调之间基本上使均匀的色差。 由于相邻相邻色调之间的基本均匀的色差,可以实现人眼均匀观看的多色调显示。