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    Electronic device having display circuitry with rounded corners
    42.
    发明授权
    Electronic device having display circuitry with rounded corners 有权

    公开(公告)号：US10797125B2

    公开(公告)日：2020-10-06

    申请号：US15985485

    申请日：2018-05-21

    Applicant: Apple Inc.

    Inventor： Cheng-Ho Yu ,  Abbas Jamshidi Roudbari ,  Shin-Hung Yeh ,  Sungki Lee ,  Ting-Kuo Chang ,  Yu Cheng Chen

    IPC: H01L27/32 ,  G09G3/3225 ,  H01L51/52 ,  G09G3/20

    Abstract: A display may have display driver circuitry. Signal routing lines may supply multiplexed signals from the display driver circuitry to demultiplexer circuitry. The demultiplexer circuitry may provide corresponding demultiplexed signals to the pixels over signal routing lines. The demultiplexer circuitry may have demultiplexer circuit blocks such as 1:N demultiplexer circuit blocks. Each of the demultiplexer circuit blocks may have the same area and layout. The demultiplexer circuit blocks may run across the width of the display. A first portion of the demultiplexer circuit blocks may extend in a straight line parallel to an edge of the active area. A second portion of the demultiplexer circuit blocks may be arranged in a staircase pattern that angles away from the first portion of demultiplexer circuit blocks.

    Light-Emitting Diode Displays
    43.
    发明申请
    Light-Emitting Diode Displays 审中-公开

    公开(公告)号：US20200219945A1

    公开(公告)日：2020-07-09

    申请号：US16826521

    申请日：2020-03-23

    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.

    Displays With Delamination Stopper and Corrosion Blocking Structures
    44.
    发明申请
    Displays With Delamination Stopper and Corrosion Blocking Structures 审中-公开

    公开(公告)号：US20190121183A1

    公开(公告)日：2019-04-25

    申请号：US16041685

    申请日：2018-07-20

    Applicant: Apple Inc.

    Inventor： Yu Cheng Chen ,  Cheng-Ho Yu ,  Shin-Hung Yeh ,  Sungki Lee

    IPC: G02F1/133 ,  G02F1/1335 ,  G02F1/1345 ,  G06F3/044

    Abstract: A display may have contacts that mate with a flexible printed circuit. The contacts may be used in providing data and control signals to pixels. A metal layer may be patterned to form metal traces for signal lines that extend outwardly towards an edge of the display from the contacts. Delamination stopper structures may be formed along the periphery of the display to inhibit delamination between layers of material on the display. The delamination stopper structures may be formed from bent portions of the metal traces, a slot-shaped inorganic layer opening that runs perpendicular to the metal traces, and a segmented trench in an organic layer. A corrosion blocker structure may be formed by creating metal trace gaps in the metal traces that are each bridged by a pair of vias that are shorted together using transparent conductive material such as a pair of indium tin oxide layers.

    Display with power supply mesh
    45.
    发明授权
    Display with power supply mesh 有权

    公开(公告)号：US10224386B2

    公开(公告)日：2019-03-05

    申请号：US15370297

    申请日：2016-12-06

    Applicant: Apple Inc.

    Inventor： Warren S. Rieutort-Louis ,  Ting-Kuo Chang ,  Chieh-Wei Chen ,  Cheng-Ho Yu

    IPC: H01L29/04 ,  H01L29/10 ,  H01L31/00 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3225

    Abstract: An organic light-emitting diode display may have an array of pixels. The pixels may each have an organic light-emitting diode with a respective anode and may be formed from thin-film transistor circuitry formed on a substrate. A mesh-shaped path may be used to distribute a power supply voltage to the thin-film circuitry. The mesh-shaped path may have intersecting horizontally extending lines and vertically extending lines. The horizontally extending lines may be zigzag metal lines that do not overlap the anodes. The vertically extending lines may be straight vertical metal lines that overlap the anodes. The pixels may include pixels of different colors. Angularly dependent shifts in display color may be minimized by ensuring that the anodes of the differently colored pixels overlap the vertically extending lines by similar amounts.

    Electronic Devices with Narrow Display Borders
    47.
    发明申请
    Electronic Devices with Narrow Display Borders 审中-公开

    公开(公告)号：US20190043418A1

    公开(公告)日：2019-02-07

    申请号：US15975390

    申请日：2018-05-09

    Applicant: Apple Inc.

    Inventor： Warren S. Rieutort-Louis ,  Shyuan Yang ,  Tsung-Ting Tsai ,  Cheng-Ho Yu ,  Jae Won Choi ,  Bhadrinarayana Lalgudi Visweswaran ,  Abbas Jamshidi Roudbari ,  Ting-Kuo Chang

    IPC: G09G3/3216 ,  G09G3/3283 ,  G09G3/3266 ,  H01L27/32

    Abstract: A display may have rows and columns of pixels that form an active area for displaying images. A display driver integrated circuit may provide multiplexed data signals to demultiplexer circuitry in the display. The demultiplexer circuitry may demultiplex the data signals and provide the demultiplexed data signals to the pixels on data lines. Gate lines may control the loading of the data signals into the pixels. The display may have a length dimension and a width dimension that is shorter than the length dimension. The data lines may extend parallel to the width dimension and the gate lines may extend parallel to the length dimension such that there are more data lines than gate lines in the display. A notch that is free of pixels may extend into the active area. Data lines extending parallel to the width dimension of the display may be routed around the notch.

    Different lightly doped drain length control for self-align light drain doping process
    50.
    发明授权
    Different lightly doped drain length control for self-align light drain doping process 有权

    公开(公告)号：US09685557B2

    公开(公告)日：2017-06-20

    申请号：US13801261

    申请日：2013-03-13

    Applicant: APPLE INC.

    Inventor： Cheng-Ho Yu ,  Young Bae Park ,  Shih Chang Chang ,  Ting-Kuo Chang ,  Shang-Chih Lin

    IPC: H01L29/786 ,  H01L29/66 ,  H01L27/12

    CPC classification number: H01L29/78651 ,  H01L27/1288 ,  H01L29/6675 ,  H01L29/78621 ,  H01L29/78645

    Abstract: A method is provided for fabricating thin-film transistors (TFTs) for an LCD having an array of pixels. The method includes depositing a first photoresist layer over a portion of a TFT stack. The TFT stack includes a conductive gate layer, and a semiconductor layer. The method also includes doping the exposed semiconductor layer with a first doping dose. The method further includes etching a portion of the conductive gate layer to expose a portion of the semiconductor layer, and doping the exposed portion of the semiconductor layer with a second doping dose. The method also includes removing the first photoresist layer, and depositing a second photoresist layer over a first portion of the doped semiconductor layer in an active area of the pixels to expose a second portion of the doped semiconductor layer in an area surrounding the active area. The method further includes doping the second portion of the doped semiconductor layer with a third doping dose, the first dose being higher than the second dose and the third dose.

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