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    Flexible Display With Bent Edge Regions
    51.
    发明申请
    Flexible Display With Bent Edge Regions 有权
    带弯曲边缘区域的灵活显示

    公开(公告)号：US20140299884A1

    公开(公告)日：2014-10-09

    申请号：US14199871

    申请日：2014-03-06

    Applicant: Apple Inc.

    Inventor： Young Bae Park ,  Shih Chang Chang ,  Vasudha Gupta

    IPC: H01L27/12

    CPC classification number: H01L27/124 ,  H01L27/1218 ,  H01L27/1259 ,  H01L27/3276 ,  H01L51/0097 ,  H01L2251/5338 ,  Y02E10/549

    Abstract: An electronic device may have a flexible display with portions that are bent along a bend axis. The display may have display circuitry such as an array of display pixels in an active area. Contact pads may be formed in an inactive area of the display. Signal lines may couple the display pixels to the contact pads. The signal lines may overlap the bend axis in the inactive area of the display. During fabrication, an etch stop may be formed on the display that overlaps the bend axis. The etch stop may prevent over etching of dielectric such as a buffer layer on a polymer flexible display substrate. A layer of polymer that serves as a neutral stress plane adjustment layer may be formed over the signal lines in the inactive area of the display. Upon bending, the neutral stress plane adjustment layer helps prevent stress in the signal lines.

    Abstract translation: 电子设备可以具有柔性显示器，其具有沿着弯曲轴线弯曲的部分。 显示器可以具有诸如有源区域中的显示像素阵列的显示电路。 接触焊盘可以形成在显示器的无效区域中。 信号线可将显示像素耦合到接触垫。 信号线可能与显示器的非活动区域中的弯曲轴重叠。 在制造期间，可以在显示器上形成与弯曲轴线重叠的蚀刻停止。 蚀刻停止可以防止在聚合物柔性显示基板上的诸如缓冲层之类的电介质的过度蚀刻。 用作中性应力平面调整层的聚合物层可以形成在显示器的无效区域中的信号线上。 弯曲时，中性应力平面调整层有助于防止信号线中的应力。

    Active Matrix Organic Light Emitting Diode Display Having Variable Optical Path Length for Microcavity
    52.
    发明申请
    Active Matrix Organic Light Emitting Diode Display Having Variable Optical Path Length for Microcavity 审中-公开
    有源矩阵有机发光二极管显示器具有微腔可变光路长度

    公开(公告)号：US20140203245A1

    公开(公告)日：2014-07-24

    申请号：US13749394

    申请日：2013-01-24

    Applicant: APPLE INC.

    Inventor： Vasudha Gupta ,  Young Bae Park ,  Shih Chang Chang

    IPC: H01L51/52 ,  H01L51/56

    CPC classification number: H01L51/5203 ,  H01L27/3211 ,  H01L51/5265

    Abstract: An organic light emitting diode display includes an array of pixels on a substrate. Each pixel includes three sub-pixels that emits light of different wavelengths from each other. The display includes thin film transistors (TFTs) for the sub-pixels on the substrate. Each TFT is separated from each other by a first pixel defining layer. The display also includes a first pixel electrode connected to the TFT for each sub-pixel, a tuning layer on the first pixel electrode, where the tuning layer has a thickness for each sub-pixel such that each sub-pixel has a optical-path length different from another sub-pixel. The display further includes an organic light emitting layer disposed over the tuning layer, and a second pixel defining layer covering a first end of the tuning layer and a second end of the tuning layer opposing to the first end of the tuning layer, and exposing the light emitting layer.

    Abstract translation: 有机发光二极管显示器包括衬底上的像素阵列。 每个像素包括发射彼此不同波长的光的三个子像素。 显示器包括用于衬底上的子像素的薄膜晶体管（TFT）。 每个TFT通过第一像素限定层彼此分离。 显示器还包括与每个子像素连接到TFT的第一像素电极，第一像素电极上的调谐层，其中调谐层具有用于每个子像素的厚度，使得每个子像素具有光路 长度不同于另一个子像素。 显示器还包括设置在调谐层上的有机发光层和覆盖调谐层的第一端的第二像素限定层和与调谐层的第一端相对的调谐层的第二端， 发光层。

    Organic light-emitting diode display with external compensation and anode reset
    57.
    发明授权
    Organic light-emitting diode display with external compensation and anode reset 审中-公开

    公开(公告)号：US10672338B2

    公开(公告)日：2020-06-02

    申请号：US15802367

    申请日：2017-11-02

    Applicant: Apple Inc.

    Inventor： Chin-Wei Lin ,  Shinya Ono ,  Vasudha Gupta

    IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3291 ,  G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3275

    Abstract: A display may include an array of organic light-emitting diode display pixels having transistors characterized by threshold voltages subject to transistor variations. Compensation circuitry may be used to measure a transistor threshold voltage for a pixel. The threshold voltage may be sampled by controlling the pixel to sample the threshold voltage onto a capacitor at the pixel. The pixel may include at least one semiconducting-oxide transistor, silicon transistors, and a light-emitting diode. The diode may be coupled to a data line that can be used for both data loading and compensation sensing operations. Reset operations may be performed after data programming and before emission to reset the anode voltage for the diode.

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