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    SYSTEMS AND METHODS FOR IMPROVING ENERGY EFFICIENCY OF GATE DRIVER CIRCUITS
    21.
    发明申请
    SYSTEMS AND METHODS FOR IMPROVING ENERGY EFFICIENCY OF GATE DRIVER CIRCUITS 有权
    提高门驱动电路能源效率的系统和方法

    公开(公告)号：US20160094215A1

    公开(公告)日：2016-03-31

    申请号：US14502883

    申请日：2014-09-30

    Applicant: APPLE INC.

    Inventor： Ting-Kuo Chang ,  Abbas Jamshidi-Roudbari ,  Shin-Hung Yeh

    IPC: H03K17/56 ,  G09G3/36

    CPC classification number: H03K17/56 ,  G09G3/3677

    Abstract: A gate drive circuit may include a latch circuit, a first transmission gate, and a second transmission gate. The first transmission gate and the second transmission gate may both be directly coupled to the latch circuit and may be directly coupled to a first gate line and a second gate line, respectively. The latch circuit may receive an electrical signal from a third gate line adjacent to the second gate line, such that the electrical signal is configured to reset a state of the latch circuit.

    Abstract translation: 栅极驱动电路可以包括锁存电路，第一传输门和第二传输门。 第一传输门和第二传输门都可以直接耦合到锁存电路，并且可以分别直接耦合到第一栅极线和第二栅极线。 锁存电路可以从与第二栅极线相邻的第三栅极线接收电信号，使得电信号被配置为复位锁存电路的状态。

    Liquid crystal display using depletion-mode transistors
    22.
    发明授权
    Liquid crystal display using depletion-mode transistors 有权
    使用耗尽型晶体管的液晶显示器

    公开(公告)号：US09214127B2

    公开(公告)日：2015-12-15

    申请号：US13937825

    申请日：2013-07-09

    Applicant: APPLE INC.

    Inventor： Abbas Jamshidi-Roudbari ,  Cheng-Ho Yu ,  Hopil Bae ,  Shih Chang Chang ,  Ting-Kuo Chang

    IPC: G09G5/00 ,  G09G3/36

    CPC classification number: G09G3/3696 ,  G09G3/3688 ,  G09G2310/0245 ,  G09G2310/0297 ,  G09G2320/0204 ,  G09G2320/0266 ,  G09G2330/027

    Abstract: Methods and devices employing charge removal circuitry are provided to reduce or eliminate artifacts due to a bias voltage remaining on an electronic display after the display is turned off. In one example, a method may include connecting a pixel electrode of a display to ground through charge removal circuitry while the display is off (e.g., using depletion-mode transistors that are active when gates of the depletion-mode transistors are provided a ground voltage). When a corresponding common electrode is also connected to ground, a voltage difference between the pixel electrode and common electrode may be reduced or eliminated, preventing a bias voltage from causing display artifacts in the pixel.

    Abstract translation: 提供了使用电荷去除电路的方法和装置，以减少或消除由于在显示器关闭之后电子显示器上剩余的偏置电压引起的伪影。 在一个示例中，方法可以包括通过电荷去除电路将显示器的像素电极连接到显示器关闭时（例如，使用在耗尽型晶体管的栅极被提供接地电压时有效的耗尽型晶体管） ）。 当相应的公共电极也接地时，可以减小或消除像素电极和公共电极之间的电压差，从而防止偏置电压在像素中引起显示伪影。

    DEVICES AND METHODS FOR REDUCING OR ELIMINATING MURA ARTIFACT
    23.
    发明申请
    DEVICES AND METHODS FOR REDUCING OR ELIMINATING MURA ARTIFACT 审中-公开
    用于减少或消除MURA ARTIFACT的装置和方法

    公开(公告)号：US20150206493A1

    公开(公告)日：2015-07-23

    申请号：US14160230

    申请日：2014-01-21

    Applicant: APPLE INC.

    Inventor： Cheng-Ho Yu ,  Ting-Kuo Chang ,  Abbas Jamshidi-Roudbari ,  Shih Chang Chang

    IPC: G09G3/36 ,  G09G3/32

    CPC classification number: G09G3/3696 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2320/02

    Abstract: Devices and methods for reducing or eliminating image artifacts are provided. By way of example, a display panel includes row common voltage (VCOM) electrodes each having a first width. The row VCOM electrodes extend along a first direction of the display panel. The display panel also includes column VCOM electrodes each having a second width. The column VCOM electrodes extend along a second direction of the display panel perpendicular to the first direction. The second width of the column VCOM electrodes may be substantially less than the first width of the row VCOM electrodes to increase a resistance of the column VCOM electrodes. By increasing the resistance of the column VCOM electrodes, image artifacts on the display panel may be prevented or eliminated.

    Abstract translation: 提供了用于减少或消除图像伪像的设备和方法。 作为示例，显示面板包括各自具有第一宽度的行公共电压（VCOM）电极。 行VCOM电极沿着显示面板的第一方向延伸。 显示面板还包括各自具有第二宽度的列VCOM电极。 列VCOM电极沿垂直于第一方向的显示面板的第二方向延伸。 列VCOM电极的第二宽度可以基本上小于行VCOM电极的第一宽度，以增加列VCOM电极的电阻。 通过增加柱VCOM电极的电阻，可以防止或消除显示面板上的图像伪影。

    DISPLAY INTEGRATED PRESSURE SENSOR
    24.
    发明申请
    DISPLAY INTEGRATED PRESSURE SENSOR 审中-公开
    显示一体式压力传感器

    公开(公告)号：US20140247239A1

    公开(公告)日：2014-09-04

    申请号：US13784509

    申请日：2013-03-04

    Applicant: APPLE INC.

    Inventor： Abbas JAMSHIDI-ROUDBARI ,  Shih Chang Chang ,  Cheng-Ho Yu ,  Ting-Kuo Chang

    IPC: G06F3/041

    CPC classification number: G06F3/0414 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04105 ,  G06F2203/04112

    Abstract: A touch sensitive device that can detect the amount of pressure being applied to a touch screen from a user or other external object is provided. A spacer of the touch screen can be coated with a layer of conductive material and the change in capacitance between the spacer and various circuit elements of the touch screen can be measured. The change in capacitance can be correlated to the amount of pressure being applied to the touch screen, thus providing a method to determine the pressure being applied. During operation of the device, the system can time multiplex touch, display and pressure sensing operations so as to take advantage of an integrated touch and display architecture.

    Abstract translation: 提供了可以检测从用户或其他外部对象施加到触摸屏的压力量的触敏设备。 触摸屏的间隔物可以涂覆有导电材料层，并且可以测量间隔物与触摸屏的各种电路元件之间的电容变化。 电容的变化可以与施加到触摸屏的压力的量相关，从而提供一种确定所施加的压力的方法。 在设备运行期间，系统可以对多路触摸，显示和压力感测操作进行定时复用，以利用集成的触摸和显示架构。

    Light-emitting diode displays
    25.
    发明授权
    Light-emitting diode displays 有权

    公开(公告)号：US12207512B2

    公开(公告)日：2025-01-21

    申请号：US18513132

    申请日：2023-11-17

    Applicant: Apple Inc.

    Inventor： Cheng-Ho Yu ,  Chin-Wei Lin ,  Shyuan Yang ,  Ting-Kuo Chang ,  Tsung-Ting Tsai ,  Warren S. Rieutort-Louis ,  Shih-Chang Chang ,  Yu Cheng Chen ,  John Z. Zhong

    IPC: H10K59/131 ,  G06F3/044 ,  G09G3/3233 ,  G09G3/3266 ,  H10K59/10 ,  H10K59/40 ,  H10K59/88

    Abstract: A display may have an array of pixels. Display driver circuitry may supply data and control signals to the pixels. Each pixel may have seven transistors, a capacitor, and a light-emitting diode such as an organic light-emitting diode. The seven transistors may receive control signals using horizontal control lines. Each pixel may have first and second emission enable transistors that are coupled in series with a drive transistor and the light-emitting diode of that pixel. The first and second emission enable transistors may be coupled to a common control line or may be separately controlled so that on-bias stress can be effectively applied to the drive transistor. The display driver circuitry may have gate driver circuits that provide different gate line signals to different rows of pixels within the display. Different rows may also have different gate driver strengths and different supplemental gate line loading structures.

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