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    Display Systems Having Monolithic Arrays of Light-Emitting Diodes
    11.
    发明申请
    Display Systems Having Monolithic Arrays of Light-Emitting Diodes 有权

    公开(公告)号：US20220005798A1

    公开(公告)日：2022-01-06

    申请号：US17475831

    申请日：2021-09-15

    Applicant: Apple Inc.

    Inventor： Jun Qi ,  Rong Liu ,  Saijin Liu ,  Shaofeng Liu ,  Tongbi T. Jiang ,  Victor H. Yin ,  Xia Li ,  Xiang Fang ,  Ziruo Hong

    IPC: H01L25/16 ,  G02B27/01 ,  H01L23/00 ,  H01L33/62

    Abstract: An electronic device may include a display having a monolithic array of light-emitting diodes mounted to a surface of a substrate layer. The diodes may include contact pads. Driver circuitry may independently drive each of the diodes in the array using drive signals. The driver circuitry may be formed on a driver integrated circuit. Bond pads may be formed on a surface of the integrated circuit. Copper pillars may be grown on the bond pads. In another suitable arrangement, the driver circuitry may be formed on a driver printed circuit board coupled to an interposer by a flexible printed circuit. The interposer may include bond pads and copper pillars grown on the bond pads. The contact pads on each of the diodes may be simultaneously bonded to the copper pillars. A surface of the substrate layer may be patterned to form light redirecting elements if desired.

    Force Sensor and Coplanar Display
    12.
    发明申请
    Force Sensor and Coplanar Display 有权

    公开(公告)号：US20220004279A1

    公开(公告)日：2022-01-06

    申请号：US17475113

    申请日：2021-09-14

    Applicant: Apple Inc.

    Inventor： Hung Sheng Lin ,  ByoungSuk Kim ,  Jun Qi

    IPC: G06F3/041 ,  G06F1/16

    Abstract: Embodiments described herein generally take the form of an electronic device including a primary and secondary display; at least the secondary display is force-sensitive and further has its force-sensing circuitry in-plane with the display. The secondary display and force-sensing circuitry may be encapsulated between two glass layers that are bonded to one another by a frit. In some embodiments the force-sensing circuitry is formed from, or constitutes part of, the frit.

    Privacy Films for Curved Displays
    13.
    发明申请
    Privacy Films for Curved Displays 有权

    公开(公告)号：US20210208313A1

    公开(公告)日：2021-07-08

    申请号：US17211354

    申请日：2021-03-24

    Applicant: Apple Inc.

    Inventor： Yi Huang ,  Steven M. Scardato ,  ByoungSuk Kim ,  Jun Qi ,  Victor H. Yin ,  Wenyong Zhu

    IPC: G02B5/00 ,  H01L51/52 ,  G02F1/1335 ,  B32B27/08 ,  B32B27/36

    Abstract: A privacy film may have a light-blocking layer that is interposed between first and second transparent substrates. The light-blocking layer may have a plurality of opaque portions and a plurality of transparent portions. The opaque portions may be shaped to ensure light from the display is directed only to the primary viewer of the display. Each opaque portion of the light-blocking layer may extend along a respective longitudinal axis between the first and second transparent substrates. Privacy films used to cover curved displays may have opaque portions that extend along longitudinal axes that have different angles relative to the transparent substrates. Opaque portions in the edge of the privacy film may have longitudinal axes that are at non-perpendicular angles with respect to the transparent substrates. A privacy film for a curved display may also include a light-redirecting layer such as a prism layer or a liquid crystal layer.

    Backlist displays with bent light guide layers
    17.
    发明授权
    Backlist displays with bent light guide layers 有权

    公开(公告)号：US10690837B2

    公开(公告)日：2020-06-23

    申请号：US15265361

    申请日：2016-09-14

    Applicant: Apple Inc.

    Inventor： Rong Liu ,  Mengyang Liang ,  Yu P. Sun ,  Jun Qi ,  Victor H. Yin

    IPC: F21V8/00 ,  G02F1/1335 ,  G02F1/133 ,  G02F1/13357

    Abstract: A display such as a liquid crystal display may have an array of pixels that is illuminated using backlight illumination from a backlight. The backlight may have a light guide layer that distributes light from light-emitting diodes across the display. The light guide layer may have a planar portion that provides backlight illumination to the array of pixels and may have bent edge portions that curve out of the plane of the planar portion. Light scattering structures may be formed in the planar portion to extract backlight illumination from the light guide layer. A light sensor adjacent to the bent portion may monitor leaked light. The light guide layer may have two bent portions on opposing edges of the light guide layer.

    Privacy Films for Curved Displays
    18.
    发明申请
    Privacy Films for Curved Displays 审中-公开

    公开(公告)号：US20200049864A1

    公开(公告)日：2020-02-13

    申请号：US16421838

    申请日：2019-05-24

    Applicant: Apple Inc.

    Inventor： Yi Huang ,  Steven M. Scardato ,  ByoungSuk Kim ,  Jun Qi ,  Victor H. Yin ,  Wenyong Zhu

    IPC: G02B5/00 ,  H01L51/52 ,  G02F1/1335 ,  B32B27/08 ,  B32B27/36

    Abstract: A privacy film may have a light-blocking layer that is interposed between first and second transparent substrates. The light-blocking layer may have a plurality of opaque portions and a plurality of transparent portions. The opaque portions may be shaped to ensure light from the display is directed only to the primary viewer of the display. Each opaque portion of the light-blocking layer may extend along a respective longitudinal axis between the first and second transparent substrates. Privacy films used to cover curved displays may have opaque portions that extend along longitudinal axes that have different angles relative to the transparent substrates. Opaque portions in the edge of the privacy film may have longitudinal axes that are at non-perpendicular angles with respect to the transparent substrates. A privacy film for a curved display may also include a light-redirecting layer such as a prism layer or a liquid crystal layer.

    Color Homogenizing Film for Displays with Direct-lit Backlight Units
    19.
    发明申请
    Color Homogenizing Film for Displays with Direct-lit Backlight Units 审中-公开

    公开(公告)号：US20200019019A1

    公开(公告)日：2020-01-16

    申请号：US16422730

    申请日：2019-05-24

    Applicant: Apple Inc.

    Inventor： Rong Liu ,  Yu P. Sun ,  Victor H. Yin ,  Jun Qi ,  Ziruo Hong

    IPC: G02F1/1335

    Abstract: A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated with backlight illumination from a backlight unit. The backlight unit may include an array of light-emitting diodes and a light reflector that helps reflect light from the light-emitting diodes through the pixel array. A color conversion layer may be used to convert light from the light-emitting diodes from blue light to white light. A microlens array layer formed over the color conversion layer may spread the light from the color conversion layer to homogenize the light. To ensure light is emitted from the backlight with a uniform color, the microlens array layer may have different transmittance portions. A central portion of the microlens array layer may transmit more light and reflect less light than an edge portion of the microlens array layer.

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