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    RC matching in a touch screen
    13.
    发明授权
    RC matching in a touch screen 有权

    公开(公告)号：US10345972B2

    公开(公告)日：2019-07-09

    申请号：US15179763

    申请日：2016-06-10

    Applicant: Apple Inc.

    Inventor： Szu-Hsien Lee ,  Byung Duk Yang ,  Chun-Yao Huang ,  Kyung-Wook Kim ,  Shih-Chang Chang

    IPC: G06F3/044 ,  G06F3/041

    Abstract: A touch screen. In some examples, the touch screen can comprise a first element coupled to a first sense connection, and a second element coupled to a second sense connection. In some examples, the first and second sense connections can be configured such that a load presented by the first sense connection and the first element is substantially equal to a load presented by the second sense connection and the second element. In some examples, the first and second sense connections can comprise detour routing configured such that a resistance of the first sense connection is substantially equal to a resistance of the second sense connection. In some examples, the first and second sense connections can be coupled to dummy routing configured such that a first capacitance presented by the first sense connection is substantially equal to a second capacitance presented by the second sense connection.

    Light-emitting diode displays
    14.
    发明授权
    Light-emitting diode displays 有权

    公开(公告)号：US10192938B2

    公开(公告)日：2019-01-29

    申请号：US15919057

    申请日：2018-03-12

    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: H01L27/32 ,  G09G3/3233 ,  G09G3/3266 ,  G06F3/044

    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.

    Touch Sensitive Displays
    16.
    发明申请
    Touch Sensitive Displays 审中-公开
    触摸敏感显示

    公开(公告)号：US20160306468A1

    公开(公告)日：2016-10-20

    申请号：US15195852

    申请日：2016-06-28

    Applicant: Apple Inc.

    Inventor： Wei Chen ,  Steven P. Hotelling ,  John Z. Zhong ,  Shih-Chang Chang ,  Stephen S. Poon

    IPC: G06F3/044 ,  H01L51/52 ,  H01L27/32 ,  G06F3/041 ,  G06F3/047

    CPC classification number: G06F3/044 ,  G06F1/1601 ,  G06F1/1643 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/047 ,  G06F3/04886 ,  G06F2203/04112 ,  H01L27/323 ,  H01L27/3276 ,  H01L27/3288 ,  H01L27/3293 ,  H01L51/5237 ,  H01L51/5246 ,  H01L51/5253 ,  H01L51/5281 ,  H01L51/5284 ,  H01L2251/5338

    Abstract: Displays such as organic light-emitting diode displays may be provided with touch sensing capabilities. A touch sensor may be formed from electrodes located on a thin-film encapsulation layer or one or more sides of a polarizer. A single-sided or double-sided touch sensor panel may be attached to the upper or lower surface of a polarizer. Control circuitry may be used to provide control signals to light-emitting diodes in the display using a grid of control lines. The control lines and transparent electrode structures such as indium tin oxide structures formed on a thin-film encapsulation layer or polarizer may be used as electrodes for a touch sensor. Displays may have active regions and inactive peripheral portions. The displays may have edge portions that are bent along a bend axis that is within the active region to form a borderless display. Virtual buttons may be formed on the bent edge portions.

    Abstract translation: 可以提供诸如有机发光二极管显示器的显示器具有触摸感测能力。 触摸传感器可以由位于薄膜封装层或偏振器的一个或多个侧面上的电极形成。 单面或双面触摸传感器面板可以附接到偏振器的上表面或下表面。 控制电路可以用于使用控制线网格来向显示器中的发光二极管提供控制信号。 控制线和形成在薄膜封装层或偏振片上的铟锡氧化物结构之类的透明电极结构可用作触摸传感器的电极。 显示器可能具有活动区域和不活动的外围部分。 显示器可以具有沿着在有效区域内的弯曲轴线弯曲以形成无边界显示器的边缘部分。 虚拟按钮可以形成在弯曲的边缘部分上。

    Display having pixel circuits with adjustable storage capacitors
    17.
    发明授权
    Display having pixel circuits with adjustable storage capacitors 有权
    显示器具有可调节存储电容器的像素电路

    公开(公告)号：US09182643B1

    公开(公告)日：2015-11-10

    申请号：US14494498

    申请日：2014-09-23

    Applicant: Apple Inc.

    Inventor： Zhibing Ge ,  Enkhamgalan Dorjgotov ,  Cheng Chen ,  Lei Zhao ,  Chun-Yao Huang ,  Shih-Chang Chang ,  Shih-Chyuan Fan Jiang

    IPC: G02F1/1343 ,  G02F1/136 ,  G02F1/1368 ,  G02F1/1362

    CPC classification number: G02F1/13624 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/136213 ,  G02F1/136277 ,  G02F1/1368

    Abstract: A liquid crystal display may have a layer of liquid crystal material. The display may have an array of display pixel circuits. The display pixel circuits may each include a display pixel electrode that applies electric fields to a corresponding portion of the liquid crystal material. Thin-film transistor circuitry and other structures in the display pixels may control operation of the display pixels circuits. The thin-film transistor circuitry may be configured to handle operation of the display at multiple refresh rates. To accommodate multiple refresh rates, each pixel circuit may include a pair of transistors. A first transistor is used to apply data signals from a data line to the display pixel electrode. A storage capacitor is used to maintain the data signal on the electrode. The second transistor may be used to adjust the capacitance of the storage capacitor depending on the refresh rate of the display.

    Abstract translation: 液晶显示器可以具有液晶材料层。 显示器可以具有显示像素电路的阵列。 显示像素电路可以各自包括将电场施加到液晶材料的对应部分的显示像素电极。 显示像素中的薄膜晶体管电路和其他结构可以控制显示像素电路的操作。 薄膜晶体管电路可以被配置为以多个刷新速率处理显示器的操作。 为了适应多个刷新率，每个像素电路可以包括一对晶体管。 第一晶体管用于将数据信号从数据线施加到显示像素电极。 使用存储电容器来维持电极上的数据信号。 第二晶体管可以用于根据显示器的刷新率来调整存储电容器的电容。

    Displays With Overlapping Light-Emitting Diodes and Gate Drivers
    18.
    发明申请
    Displays With Overlapping Light-Emitting Diodes and Gate Drivers 有权
    具有重叠发光二极管和栅极驱动器的显示器

    公开(公告)号：US20150310801A1

    公开(公告)日：2015-10-29

    申请号：US14262363

    申请日：2014-04-25

    Applicant: Apple Inc.

    Inventor： Chin-Wei Lin ,  Shih-Chang Chang ,  Tsung-Ting Tsai

    IPC: G09G3/32

    CPC classification number: G09G3/3225 ,  G09G2310/0264 ,  H01L27/3248 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3276 ,  H01L2251/5315

    Abstract: An electronic device may be provided with a display. The display may be formed from an array of organic light-emitting diode display pixels. Each display pixel may have an organic light-emitting diode having an anode and a cathode and may have an associated pixel circuit for controlling the light-emitting diode. The anodes may be formed from patches of metal arranged in an array on the display. The display pixels may be controlled using data lines and gate lines. The gate lines may control thin-film transistors in the pixel circuits. Gate driver circuitry along the left and right edges of the display may supply signals to the gate lines. The pixel circuits may be located in the center of the display between the gate driver circuitry. Some of the anodes may overlap the pixel circuits and some of the anodes may overlap the gate driver circuitry.

    Abstract translation: 电子设备可以设置有显示器。 显示器可以由有机发光二极管显示像素的阵列形成。 每个显示像素可以具有具有阳极和阴极的有机发光二极管，并且可以具有用于控制发光二极管的相关联的像素电路。 阳极可以由布置在显示器上的阵列中的金属片形成。 可以使用数据线和栅极线来控制显示像素。 栅极线可以控制像素电路中的薄膜晶体管。 沿着显示器的左边缘和右边缘的栅极驱动器电路可以向栅极线提供信号。 像素电路可以位于栅极驱动器电路之间的显示器的中心。 一些阳极可能与像素电路重叠，并且一些阳极可能与栅极驱动器电路重叠。

    Display Circuitry with Reduced Pixel Parasitic Capacitor Coupling
    19.
    发明申请
    Display Circuitry with Reduced Pixel Parasitic Capacitor Coupling 有权
    具有减少像素寄生电容耦合的显示电路

    公开(公告)号：US20140232955A1

    公开(公告)日：2014-08-21

    申请号：US14174471

    申请日：2014-02-06

    Applicant: Apple Inc.

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

    IPC: G06F3/041 ,  G02F1/1362

    CPC classification number: G06F3/041 ,  G02F1/13338 ,  G02F1/13624 ,  G02F1/136286 ,  G02F2001/13606 ,  G06F3/0412 ,  G06F3/0416

    Abstract: A touch screen display may have a color filter layer and a thin-film transistor layer. A layer of liquid crystal material may be located between the color filter layer and the thin-film transistor (TFT) layer. The TFT layer may include thin-film transistors formed on top of a glass substrate. Each display pixel in the TFT layer may include first and second TFTs coupled in series between a data line and a storage capacitor. The first TFT may have a gate that is coupled to a gate line. The second TFT may have a gate that is coupled to a control line that is different than the gate line. A global enable signal may be provided on the control line, where the enable signal is asserted during display intervals and is deasserted during touch intervals. The second TFT may be formed using a top-gate TFT or a bottom-gate TFT arrangement.

    Abstract translation: 触摸屏显示器可以具有滤色器层和薄膜晶体管层。 液晶材料层可以位于滤色器层和薄膜晶体管（TFT）层之间。 TFT层可以包括形成在玻璃基板的顶部的薄膜晶体管。 TFT层中的每个显示像素可以包括串联耦合在数据线和存储电容器之间的第一和第二TFT。 第一TFT可以具有耦合到栅极线的栅极。 第二TFT可以具有耦合到不同于栅极线的控制线的栅极。 可以在控制线上提供全局使能信号，其中在显示间隔期间使能信号被断言，并且在接触间隔期间被解除置位。 可以使用顶栅TFT或底栅TFT布置来形成第二TFT。

    Display with Column Spacer Structures Resistant to Lateral Movement
    20.
    发明申请
    Display with Column Spacer Structures Resistant to Lateral Movement 审中-公开
    显示具有抵抗横向移动的柱间隔结构

    公开(公告)号：US20140118666A1

    公开(公告)日：2014-05-01

    申请号：US13741138

    申请日：2013-01-14

    Applicant: APPLE INC.

    Inventor： Szu-Hsien Lee ,  Byung Duk Yang ,  Chun-Yao Huang ,  Kyung-Wook Kim ,  Shih-Chang Chang ,  Young Cheol Yang ,  Young Bea Park ,  Ming-Chin Hung

    IPC: G02F1/1339

    CPC classification number: G02F1/13394 ,  G02F2001/13396

    Abstract: A display may have a color filter layer and a thin-film transistor layer. A layer of liquid crystal material may be located between the color filter layer and the thin-film transistor layer. Column spacers may be formed on the color filter layer to maintain a desired gap between the color filter and thin-film transistor layers. Support pads may be used to support the column spacers. Different column spacers may be located at different portions of the support pads to allow the support pad size to be reduced while ensuring adequate support. Lateral movement blocking structures such as circular rings may be used to prevent column spacer lateral movement. Subspacers located over pads may be used to create friction that retards lateral movement. Lateral movement may also be retarded by receiving column spacers in trenches or other recesses formed on a thin-film transistor layer.

    Abstract translation: 显示器可以具有滤色器层和薄膜晶体管层。 液晶材料层可以位于滤色器层和薄膜晶体管层之间。 柱状间隔物可以形成在滤色器层上，以保持滤色器和薄膜晶体管层之间的期望的间隙。 支撑垫可用于支撑柱间隔物。 不同的柱间隔件可以位于支撑垫的不同部分，以允许在确保足够支撑的同时减小支撑垫尺寸。 可以使用诸如圆环的侧向运动阻挡结构来防止柱间隔件横向运动。 可以使用位于垫之上的子层以产生阻碍横向运动的摩擦。 通过在形成于薄膜晶体管层上的沟槽或其它凹槽中接收柱间隔物也可能阻碍横向移动。

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