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    Optical Film Arrangements for Electronic Device Displays
    171.
    发明申请
    Optical Film Arrangements for Electronic Device Displays 有权

    公开(公告)号：US20210072556A1

    公开(公告)日：2021-03-11

    申请号：US17003816

    申请日：2020-08-26

    Applicant: Apple Inc.

    Inventor： ByoungSuk Kim ,  Yi Huang ,  Jun Qi ,  Victor H. Yin ,  Seung Wook Kim ,  Nicolas V. Scapel ,  Yi-Pai Huang

    IPC: G02B30/29 ,  H04N13/305 ,  H04N13/383

    Abstract: A lenticular display may be formed with convex curvature. The lenticular display may have a lenticular lens film with lenticular lenses that extend across the length of the display. The lenticular lenses may be configured to enable stereoscopic viewing of the display. To enable more curvature in the display while ensuring satisfactory stereoscopic display performance, the display may have stereoscopic zones and non-stereoscopic zones. A central stereoscopic zone may be interposed between first and second non-stereoscopic zones. The non-stereoscopic zones may have more curvature than the stereoscopic zone. To prevent crosstalk within the lenticular display, a louver film may be incorporated into the display. The louver film may have a plurality of transparent portions separated by opaque walls. The opaque walls may control the emission angle of light from the display, reducing crosstalk. The louver film may be interposed between the lenticular lens film and the display panel.

    Electronic device display with a backlight
    173.
    发明授权
    Electronic device display with a backlight 有权

    公开(公告)号：US10852582B2

    公开(公告)日：2020-12-01

    申请号：US16439419

    申请日：2019-06-12

    Applicant: Apple Inc.

    Inventor： Wenyong Zhu ,  Shan-Ting Hsu ,  Victor H. Yin ,  Daming Xu ,  Heesang Suh ,  Chenhua You ,  Mookyung Son

    IPC: G02F1/13357 ,  F21V8/00 ,  H05K1/11 ,  G02F1/1345 ,  H05K1/02 ,  H01R12/62 ,  H01R4/04 ,  G02F1/1368 ,  G02F1/133 ,  G09G3/00 ,  G09G3/36

    Abstract: An electronic device may include display layers such as liquid crystal display layers and a backlight unit that provides illumination for the display layers. The backlight unit may include light-emitting diodes that emit light into the edge of a light guide film. To minimize the inactive area of the display, the light-emitting diodes may be tightly spaced to approximate a line light source instead of point light sources. Color and/or luminance compensation layers may be incorporated at various locations within the backlight structures to ensure that the backlight provided to the display layers is homogenous. A thin-film transistor layer of the display may be coupled to a printed circuit board by a flexible printed circuit. The flexible printed circuit may have additional solder mask layers to improve robustness, may include encapsulation, and may have traces with a varying pitch.

    Electronic Device Display With Extended Active Area
    175.
    发明申请
    Electronic Device Display With Extended Active Area 审中-公开

    公开(公告)号：US20200227008A1

    公开(公告)日：2020-07-16

    申请号：US16831577

    申请日：2020-03-26

    Applicant: Apple Inc.

    Inventor： Mikael M. Silvanto ,  Dinesh C. Mathew ,  Victor H. Yin

    IPC: G09G5/14 ,  G06F1/16

    Abstract: An electronic device may be provided with a display. The display may be formed from liquid crystal display pixels, organic light-emitting diode pixels, or other pixels. The display may have an active area that is bordered along at least one edge by an inactive area. The active area contains pixels and displays images. The inactive area does not contain any pixels and does not display images. The inactive area may have a layer of black ink or other masking material to block internal components from view. The active area may have an opening that contains an isolated portion of the inactive area or may contain a recess into which a portion of the inactive area protrudes. An electrical component such as a speaker, camera, light-emitting diode, light sensor, or other electrical device may be mounted in the inactive area in the recess or opening of the active area.

    Displays With Polarizer Windows and Opaque Masking Layers for Electronic Devices
    176.
    发明申请
    Displays With Polarizer Windows and Opaque Masking Layers for Electronic Devices 审中-公开

    公开(公告)号：US20200159284A1

    公开(公告)日：2020-05-21

    申请号：US16749056

    申请日：2020-01-22

    Applicant: Apple Inc.

    Inventor： Dinesh C. Mathew ,  Keith J. Hendren ,  Jun Qi ,  Victor H. Yin ,  Thomas Wilson, JR. ,  Adam T. Garelli

    IPC: G06F1/16 ,  H04M1/02 ,  G02F1/1335

    Abstract: An electronic device may have a display. Inactive portions of the display such as peripheral portions of the display may be masked using an opaque masking layer. An opening may be provided in the opaque masking layer to allow light to pass. For example, a logo may be viewed through an opening in the opaque masking layer and a camera may receive light through an opening in the opaque masking layer. The display may include upper and lower polarizers, a color filter layer, and a thin-film transistor layer. The opaque masking layer may be formed on the upper polarizer, may be interposed between the upper polarizer and the color filter layer, or may be interposed between the color filter layer and the thin-film transistor layer. The upper polarizer may have unpolarized windows for cameras, logos, or other internal structures.

    Displays with Direct-lit Backlight Units and Light Spreading Structures
    177.
    发明申请
    Displays with Direct-lit Backlight Units and Light Spreading Structures 审中-公开

    公开(公告)号：US20190285941A1

    公开(公告)日：2019-09-19

    申请号：US16294715

    申请日：2019-03-06

    Applicant: Apple Inc.

    Inventor： Rong Liu ,  Ling Han ,  Daming Xu ,  Janos C. Keresztes ,  Joshua A. Spechler ,  Jun Qi ,  Victor H. Yin ,  Yu P. Sun ,  Ziruo Hong ,  Wei Lv ,  Suraj P. Gorkhali ,  Mookyung Son

    IPC: G02F1/1335 ,  F21K9/64

    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 a printed circuit board, a plurality of light-emitting diodes mounted on the printed circuit board, at least one light spreading layer formed over the printed circuit board that spreads light received from the plurality of light-emitting diodes, a partially reflective layer formed over the at least one light spreading layer, a color conversion layer formed over the partially reflective layer, a collimating layer formed over the color conversion layer, a brightness enhancement film formed over the collimating layer, and a diffuser formed over the brightness enhancement film. The at least one light spreading layer may include two light spreading layers with elongated protrusions that are rotated relative to each other.

    Backlight Units With Support Posts and Cavity Height Monitoring
    178.
    发明申请
    Backlight Units With Support Posts and Cavity Height Monitoring 审中-公开

    公开(公告)号：US20190265551A1

    公开(公告)日：2019-08-29

    申请号：US16409688

    申请日：2019-05-10

    Applicant: Apple Inc.

    Inventor： Rong Liu ,  Yu P. Sun ,  Erik A. Zweigle ,  Jun Qi ,  Victor H. Yin ,  Ziruo Hong ,  Sungwon Bae

    IPC: G02F1/1335 ,  G09G3/36 ,  F21V3/00 ,  F21K9/68 ,  G09G3/34 ,  F21K9/64

    Abstract: An electronic device may have a display with a backlight. The backlight provides backlight illumination for an array of pixels that is displaying images. The backlight may include an array of cells. Each cell may contain a light source with one or more light-emitting diodes and a cavity reflector that reflects light from the light source outwardly through a diffuser for use in forming the backlight illumination. The light sources may be mounted to a printed circuit. Support posts on the printed circuit may be used to maintain the diffuser at a fixed distance from the printed circuit. Sensors on the printed circuit may be used to measure separation distances between the printed circuit and diffuser. Adjustments to pixel gain profiles can be made based on the measured separation distances.

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