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    Flexible displays with strengthened pad area
    1.
    发明授权
    Flexible displays with strengthened pad area 有权

    公开(公告)号：US09660004B2

    公开(公告)日：2017-05-23

    申请号：US14497086

    申请日：2014-09-25

    Applicant: Apple Inc.

    Inventor： Da Yu ,  Jae Won Choi ,  Sang Ha Kim ,  Vasudha Gupta ,  Young Bae Park

    IPC: H01L51/56 ,  H01L27/32 ,  H01L51/52

    CPC classification number: H01L27/3244 ,  H01L27/3276 ,  H01L51/5237 ,  H01L51/5246 ,  H01L51/5253 ,  H01L51/56 ,  H01L2251/5338

    Abstract: An electronic device may have a flexible display with portions that can be bent. The display may include an array of display pixels in an active area. Contact pads may be formed in an inactive area of the display. Display circuitry in the active area may exhibit a given stack height, whereas display circuitry in the inactive area may exhibit a stack height that is less than the given stack height. In particular, the contact pads may be formed directly on a multi-buffer layer that sits directly on a flexible display substrate. Passivation material may be selectively formed only at the edges of the contact pad on the multi-buffer layer. The multi-buffer layer may be formed at a distance from the edge of the flexible display substrate to minimize cracking in the multi-buffer layer.

    Anisotropic conductive film structures
    2.
    发明授权
    Anisotropic conductive film structures 有权

    公开(公告)号：US09653425B2

    公开(公告)日：2017-05-16

    申请号：US14836859

    申请日：2015-08-26

    Applicant: Apple Inc.

    Inventor： Bo Zhang ,  Sang Ha Kim ,  Cyrus Y. Liu ,  Kuo-Hua Sung

    IPC: H01L23/48 ,  H01L23/52 ,  H01L29/40 ,  H01L23/00

    CPC classification number: H01L24/83 ,  H01L24/29 ,  H01L24/32 ,  H01L2224/32227 ,  H01L2224/83203 ,  H01L2224/83851 ,  H01L2224/83874 ,  H01L2924/2075

    Abstract: Anisotropic conductive film (ACF) structures and manufacturing methods for forming the same are described. The manufacturing methods include preventing clusters of conductive particles from forming between adjacent bonding pads and that are associated with electrical shorting of ACF structures. In some embodiments, the methods involve use of multiple layered ACF materials that include a non-electrically conductive layer that reduces the likelihood of formation of conductive particle clusters between bonding pads. In some embodiment, the methods include the use of ultraviolet sensitive ACF material combined with lithography techniques that eliminate conductive particles from between neighboring bonding pads. In some embodiments, the methods involve the use of insulation spacers that block conductive particles from entering between bonding pads. Any suitable combination of the described methods can be used.

    Flexible displays
    3.
    发明授权
    Flexible displays 有权
    柔性显示

    公开(公告)号：US09419065B2

    公开(公告)日：2016-08-16

    申请号：US13932834

    申请日：2013-07-01

    Applicant: Apple Inc.

    Inventor： Brett W. Degner ,  Chieh-Wei Chen ,  Dinesh C. Mathew ,  Paul S. Drzaic ,  Sang Ha Kim ,  Silvio Grespan ,  John Z. Zhong ,  Jean-Pierre Guillou ,  Kuo-Hua Sung ,  Young Bae Park ,  Vasudha Gupta

    IPC: H01L29/82 ,  H01L27/32 ,  G02F1/1333 ,  H05K1/02 ,  H05K1/18

    CPC classification number: H01L27/326 ,  G02F1/133305 ,  G02F2001/133388 ,  H01L27/3297 ,  H01L51/0097 ,  H01L2251/5338 ,  H05K1/028 ,  H05K1/189 ,  H05K2201/09036 ,  H05K2201/0979 ,  H05K2201/10128 ,  Y02E10/549

    Abstract: An electronic device may be provided with an organic light-emitting diode display with minimized border regions. The border regions may be minimized by providing the display with bent edge portions having neutral plane adjustment features that facilitate bending of the bent edge portions while minimizing damage to the bent edge portions. The neutral plane adjustment features may include a modified backfilm layer of the display in which portions of the backfilm layer are removed in a bend region. A display device may include a substrate, a display panel on the substrate having display pixels, and peripheral circuitry proximate the display panel and configured to drive the display pixels. A portion of the periphery of the substrate may be bent substantially orthogonal to the display panel to reduce an apparent surface area of the display device. The bent portion may include an electrode for communication with the peripheral circuitry.

    Abstract translation: 电子设备可以设置有具有最小边界区域的有机发光二极管显示器。 通过为显示器提供具有中立平面调整特征的弯曲边缘部分，可以使边缘区域最小化，这有利于弯曲边缘部分的弯曲同时最小化对弯曲边缘部分的损伤。 中性平面调整特征可以包括显示器的改进的背膜层，其中后膜层的部分在弯曲区域中被去除。 显示装置可以包括衬底，具有显示像素的衬底上的显示面板以及靠近显示面板的外围电路，并被配置为驱动显示像素。 基板的周边的一部分可以基本上垂直于显示面板弯曲，以减少显示装置的表观表面积。 弯曲部分可以包括用于与外围电路通信的电极。

    Displays with shared flexible substrates
    5.
    发明授权
    Displays with shared flexible substrates 有权

    公开(公告)号：US10361384B2

    公开(公告)日：2019-07-23

    申请号：US15068279

    申请日：2016-03-11

    Applicant: Apple Inc.

    Inventor： Wey-Jiun Lin ,  Sang Youn ,  Sang Ha Kim

    IPC: H01L51/00 ,  H01L27/32 ,  H05K1/02 ,  H01L51/52 ,  H05K1/18

    Abstract: An electronic device may be provided with a display such as an organic light-emitting diode display. The display may include an array of display pixels formed on a polymer substrate layer. The polymer substrate layer may include an contiguous layer of polyimide that forms a substrate layer in additional structures such as a polymer film and a flexible printed circuit. A first transition region may be interposed between the display and the polymer film, and a second transition region may be interposed between the polymer film and the flexible printed circuit. Metal traces may be formed on the polymer film and on the flexible printed circuit. A display driver integrated circuit may be mounted to the traces on the polymer film. The polymer film may form a U-shaped bend. The flexible printed circuit may be coupled to a printed circuit board in the device using hot bar solder connections.

    Displays with Shared Flexible Substrates
    6.
    发明申请
    Displays with Shared Flexible Substrates 有权
    显示共享的柔性基板

    公开(公告)号：US20140239276A1

    公开(公告)日：2014-08-28

    申请号：US14172488

    申请日：2014-02-04

    Applicant: Apple Inc.

    Inventor： Wey-Jiun Lin ,  Sang Youn ,  Sang Ha Kim

    IPC: H01L27/32

    CPC classification number: H01L51/0097 ,  H01L27/3244 ,  H01L27/3262 ,  H01L51/5237 ,  H01L51/5246 ,  H01L2227/32 ,  H01L2251/5338 ,  H05K1/0281 ,  H05K1/189 ,  H05K2201/10128 ,  Y02E10/549

    Abstract: An electronic device may be provided with a display such as an organic light-emitting diode display. The display may include an array of display pixels formed on a polymer substrate layer. The polymer substrate layer may include an contiguous layer of polyimide that forms a substrate layer in additional structures such as a polymer film and a flexible printed circuit. A first transition region may be interposed between the display and the polymer film, and a second transition region may be interposed between the polymer film and the flexible printed circuit. Metal traces may be formed on the polymer film and on the flexible printed circuit. A display driver integrated circuit may be mounted to the traces on the polymer film. The polymer film may form a U-shaped bend. The flexible printed circuit may be coupled to a printed circuit board in the device using hot bar solder connections.

    Abstract translation: 电子设备可以设置有诸如有机发光二极管显示器的显示器。 显示器可以包括形成在聚合物基底层上的显示像素的阵列。 聚合物基底层可以包括邻接的聚酰亚胺层，其在诸如聚合物膜和柔性印刷电路的附加结构中形成基底层。 可以在显示器和聚合物膜之间插入第一过渡区域，并且可以在聚合物膜和柔性印刷电路之间插入第二过渡区域。 可以在聚合物膜和柔性印刷电路上形成金属迹线。 显示驱动器集成电路可以安装在聚合物膜上的迹线上。 聚合物膜可以形成U形弯曲。 柔性印刷电路可以使用热棒焊接连接器耦合到装置中的印刷电路板。

    Thermal press and ultraviolet curing for display assemblies
    9.
    发明授权
    Thermal press and ultraviolet curing for display assemblies 有权
    显示组件的热压和紫外线固化

    公开(公告)号：US09128674B2

    公开(公告)日：2015-09-08

    申请号：US13941377

    申请日：2013-07-12

    Applicant: Apple Inc.

    Inventor： Kuo-Hua Sung ,  Sang Ha Kim ,  Hsing Han Ho

    IPC: G06F1/16 ,  B32B38/00 ,  G06F3/041

    CPC classification number: G06F1/1643 ,  B32B38/00 ,  G06F3/041 ,  G06F2203/04103

    Abstract: Methods for controlling deformation of laminated display assemblies are described. The laminated display assemblies can include flexible layers. In some embodiments, the flexible layers are sensor layers. Methods involving the use of a thermal press and ultra violet (UV) curing procedure are described. In one embodiment, a thermal press method can be performed by placing a laminated display assembly including the flexible substrate, an ink layer, an adhesive, and a cover on a temperature controlled fixture. A mechanical press can apply pressure to the top of the laminated display assembly. The mechanical press can remove any planar deformity of the flexible layer and can redistribute portions of the adhesive. Following the mechanical pressing, the laminated display assembly can be exposed to UV light to cure the adhesive and thereby fix in place the planar state of the laminated display assembly.

    Abstract translation: 描述了用于控制层压显示组件变形的方法。 层压显示组件可以包括柔性层。 在一些实施例中，柔性层是传感器层。 描述了涉及使用热压和紫外线（UV）固化程序的方法。 在一个实施例中，可以通过将包括柔性基板，油墨层，粘合剂和盖子的层压显示组件放置在温度控制的夹具上来执行热压方法。 机械压力机可以对叠层显示组件的顶部施加压力。 机械压力机可以去除柔性层的任何平面变形并且可以重新分布粘合剂的部分。 在机械压制之后，层压显示组件可以暴露于UV光以固化粘合剂，从而固定层压显示组件的平面状态。

    Flexible Displays
    10.
    发明申请
    Flexible Displays 有权
    灵活显示

    公开(公告)号：US20140042406A1

    公开(公告)日：2014-02-13

    申请号：US13932834

    申请日：2013-07-01

    Applicant: Apple Inc.

    Inventor： Brett W. Degner ,  Chieh-Wei Chen ,  Dinesh C. Mathew ,  Paul S. Drzaic ,  Sang Ha Kim ,  Silvio Grespan ,  John Z. Zhong ,  Jean-Pierre Guillou ,  Kuo-Hua Sung ,  Young Bae Park ,  Vasudha Gupta

    IPC: H01L27/32

    CPC classification number: H01L27/326 ,  G02F1/133305 ,  G02F2001/133388 ,  H01L27/3297 ,  H01L51/0097 ,  H01L2251/5338 ,  H05K1/028 ,  H05K1/189 ,  H05K2201/09036 ,  H05K2201/0979 ,  H05K2201/10128 ,  Y02E10/549

    Abstract: An electronic device may be provided with an organic light-emitting diode display with minimized border regions. The border regions may be minimized by providing the display with bent edge portions having neutral plane adjustment features that facilitate bending of the bent edge portions while minimizing damage to the bent edge portions. The neutral plane adjustment features may include a modified backfilm layer of the display in which portions of the backfilm layer are removed in a bend region. A display device may include a substrate, a display panel on the substrate having display pixels, and peripheral circuitry proximate the display panel and configured to drive the display pixels. A portion of the periphery of the substrate may be bent substantially orthogonal to the display panel to reduce an apparent surface area of the display device. The bent portion may include an electrode for communication with the peripheral circuitry.

    Abstract translation: 电子设备可以设置有具有最小边界区域的有机发光二极管显示器。 通过为显示器提供具有中立平面调整特征的弯曲边缘部分，可以使边缘区域最小化，这有利于弯曲边缘部分的弯曲同时最小化对弯曲边缘部分的损伤。 中性平面调整特征可以包括显示器的改进的背膜层，其中后膜层的部分在弯曲区域中被去除。 显示装置可以包括衬底，具有显示像素的衬底上的显示面板以及靠近显示面板的外围电路，并被配置为驱动显示像素。 基板的周边的一部分可以基本上垂直于显示面板弯曲，以减少显示装置的表观表面积。 弯曲部分可以包括用于与外围电路通信的电极。

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