DEVICES AND METHODS FOR REDUCING POWER USAGE OF A TOUCH-SENSITIVE DISPLAY
    42.
    发明申请
    DEVICES AND METHODS FOR REDUCING POWER USAGE OF A TOUCH-SENSITIVE DISPLAY 有权
    用于降低敏感显示器的功率使用的装置和方法

    公开(公告)号:US20130328796A1

    公开(公告)日:2013-12-12

    申请号:US13603169

    申请日:2012-09-04

    IPC分类号: G06F3/041

    摘要: Methods and devices employing circuitry for reducing power usage of a touch-sensitive display are provided. In one example, a method includes receiving power for a display of an electronic device. The method also includes powering a touch subsystem and a display subsystem of the display. The method includes, in a standard display mode, storing a frame of data in pixels of the display subsystem during a first period of time. The method also includes, in a low power display mode, storing a frame of data in pixels of the display subsystem during a second period of time. The second period of time is not equal to the first period of time. The method includes detecting a touch of the display via the touch subsystem between each synchronization signal of a plurality of synchronization signals received by the display.

    摘要翻译: 提供了采用用于减少触敏显示器的功率使用的电路的方法和装置。 在一个示例中,一种方法包括接收用于电子设备的显示器的电力。 该方法还包括为触摸子系统和显示器的显示子系统供电。 该方法包括在标准显示模式中,在第一时段期间,以显示子系统的像素存储数据帧。 该方法还包括在低功率显示模式中,在第二时段期间,在显示子系统的像素中存储数据帧。 第二个时间段不等于第一个时间段。 该方法包括在由显示器接收的多个同步信号的每个同步信号之间经由触摸子系统检测显示器的触摸。

    Method and Apparatus for Display Calibration
    43.
    发明申请
    Method and Apparatus for Display Calibration 有权
    显示校准方法和装置

    公开(公告)号:US20130314447A1

    公开(公告)日:2013-11-28

    申请号:US13477680

    申请日:2012-05-22

    IPC分类号: G09G5/10

    摘要: A calibration system may be provided for calibrating displays in electronic devices during manufacturing. The calibration system may include calibration computing equipment and a test chamber having a light sensor. The calibration computing equipment may be configured to operate the light sensor and the display to gather display intensity performance data for obtaining a display gamma model. The display intensity performance data may be gathered using a range of display control settings that will be used in performing color calibration operations for the display. The calibration computing equipment may be configured to operate the light sensor and the display to gather display color performance data for determining a display white point calibration. Display white point calibration data may be provided to the electronic device and stored in volatile or non-volatile memory in the device or may be permanently stored in circuitry associated with the display.

    摘要翻译: 可以提供用于在制造期间校准电子设备中的显示器的校准系统。 校准系统可以包括校准计算设备和具有光传感器的测试室。 校准计算设备可以被配置为操作光传感器和显示器以收集用于获得显示伽玛模型的显示强度性能数据。 可以使用将用于对显示进行颜色校准操作的一系列显示控制设置来收集显示强度性能数据。 校准计算设备可以被配置为操作光传感器和显示器以收集用于确定显示白点校准的显示颜色性能数据。 可以将显示白点校准数据提供给电子设备并存储在设备中的易失性或非易失性存储器中,或者可以永久地存储在与显示器相关联的电路中。

    APPLICATION OF VOLTAGE TO DATA LINES DURING VCOM TOGGLING
    46.
    发明申请
    APPLICATION OF VOLTAGE TO DATA LINES DURING VCOM TOGGLING 有权
    在VCOM加工过程中应用电压到数据线

    公开(公告)号:US20120299970A1

    公开(公告)日:2012-11-29

    申请号:US13143182

    申请日:2011-05-24

    IPC分类号: G09G5/10 G09G5/00

    摘要: With respect to liquid crystal display inversion schemes, a large change in voltage on a data line can affect the voltages on adjacent floating data lines due to capacitive coupling between data lines. The change in voltage on these floating data lines can be increased when the application of voltage to the data line occurs after a toggling operation of the Vcom, i.e., when a voltage applied to the Vcom changes the voltage on the Vcom from one polarity to an opposite polarity. Various embodiments of the present disclosure serve to eliminate or reduce the effects of Vcom voltage toggling on data line voltages by applying a voltage (e.g., a fixed voltage) to the data lines while the voltage on Vcom toggles.

    摘要翻译: 对于液晶显示反转方案,由于数据线之间的电容耦合,数据线上的电压变化很大,可能会影响相邻浮动数据线上的电压。 当在Vcom的切换操作之后,即在施加到Vcom的切换操作之后,当向数据线施加电压时,即可以增加这些浮动数据线上的电压变化,即,当施加到Vcom的电压将Vcom上的电压从一个极性改变为 相反的极性 本公开的各种实施例用于通过在Vcom上的电压切换时向数据线施加电压(例如,固定电压)来消除或减少Vcom电压对数据线电压的影响。

    Systems and methods for reducing or eliminating mura artifact using contrast enhanced imagery
    49.
    发明授权
    Systems and methods for reducing or eliminating mura artifact using contrast enhanced imagery 有权
    使用对比度增强图像减少或消除mura神器的系统和方法

    公开(公告)号:US09013384B2

    公开(公告)日:2015-04-21

    申请号:US13601516

    申请日:2012-08-31

    IPC分类号: G09G3/36

    摘要: Systems, methods, and devices are provided to calibrate an electronic display to reduce or eliminate mura artifacts. Such mura artifacts may be due to differential behavior of multiple common voltage layers (VCOMs) of the display. One method for reducing or eliminating such muras may involve setting pixels of an electronic display to a gray level and setting an operating parameter of the liquid crystal display to a starting value. An image of the pixels may be captured. Using the image, an average luminance of the pixels may be determined and the image may be amplified around the average luminance to enhance contrast of the image. When the amplified image substantially does not indicates the presence of a mura, the value of the operating parameter may be stored in the electronic display.

    摘要翻译: 提供系统,方法和设备来校准电子显示器以减少或消除mura伪像。 这样的环境伪影可能是由于显示器的多个公共电压层(VCOM)的差异行为引起的。 用于减少或消除这种恶意的一种方法可能涉及将电子显示器的像素设置为灰度级并将液晶显示器的操作参数设置为起始值。 可以捕获像素的图像。 使用图像,可以确定像素的平均亮度,并且可以围绕平均亮度放大图像,以增强图像的对比度。 当放大的图像基本上不指示存在mura时,可以将操作参数的值存储在电子显示器中。

    Column inversion techniques for improved transmittance
    50.
    发明授权
    Column inversion techniques for improved transmittance 有权
    柱反转技术提高透射率

    公开(公告)号:US08988334B2

    公开(公告)日:2015-03-24

    申请号:US12941751

    申请日:2010-11-08

    IPC分类号: G09G3/36

    摘要: Present techniques involve methods and systems of inversion patterns for pixels in a display. Inversion techniques involve driving image signals having a first polarity to data lines of a pixel matrix during a first time period and driving image signals having an opposite polarity to the data lines during a second time period. In some embodiments, the pixels may be configured to have electrodes having only two finger electrodes, thus widening the distance between electrodes and decreasing the susceptibility for crosstalk between pixels. In some embodiments, horizontal cross-talk of electromagnetic fields between pixels may be further reduced by configuring the data line driving scheme such that voltage polarity is flipped for the pixels along every two, three, or more data line columns. Furthermore, a Z inversion pattern may be employed to reduce the occurrence of undesirable display artifacts.

    摘要翻译: 现有技术涉及显示器中像素的反演图案的方法和系统。 反转技术涉及在第一时间段期间驱动具有第一极性的图像信号到像素矩阵的数据线,并且在第二时间段期间驱动与数据线具有相反极性的图像信号。 在一些实施例中,像素可以被配置为具有仅具有两个指状电极的电极,从而加宽电极之间的距离并降低像素之间的串扰的敏感度。 在一些实施例中,可以通过配置数据线驱动方案来进一步减少像素之间的电磁场的水平串扰,使得沿着每两个,三个或更多个数据线列的像素翻转电压极性。 此外,可以采用Z反转图案来减少不期望的显示伪影的发生。