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    Integrated touch screens
    161.
    发明授权
    Integrated touch screens 有权

    公开(公告)号：US10409434B2

    公开(公告)日：2019-09-10

    申请号：US16241662

    申请日：2019-01-07

    Applicant: Apple Inc.

    Inventor： Shih Chang Chang ,  John Z. Zhong

    IPC: G06F3/041 ,  G06F3/044 ,  G06F1/16 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/133 ,  G02F1/1335

    Abstract: Integrated touch screens are provided including drive lines formed of grouped-together circuit elements of a thin film transistor layer and sense lines formed between a color filter layer and a material layer that modifies or generates light. The common electrodes (Vcom) in the TFT layer can be grouped together during a touch sensing operation to form drive lines. Sense lines can be formed on an underside of a color filter glass, and a liquid crystal region can be disposed between the color filter glass and the TFT layer. Placing the sense lines on the underside of the color filter glass, i.e., within the display pixel cell, can provide a benefit of allowing the color filter glass to be thinned after the pixel cells have been assembled, for example.

    Merged floating pixels in a touch screen
    162.
    发明授权
    Merged floating pixels in a touch screen 有权

    公开(公告)号：US10353516B2

    公开(公告)日：2019-07-16

    申请号：US14871281

    申请日：2015-09-30

    Applicant: Apple Inc.

    Inventor： Isaac Chan ,  Prathit Bugnait ,  Albert Lin ,  Chun-Hao Tung ,  Sunggu Kang ,  John Z. Zhong

    IPC: G06F3/045 ,  G06F3/041 ,  G06F3/044 ,  G06F3/0354 ,  G09G3/36

    Abstract: Touch sensor panel configurations for reducing wobble error for a stylus translating on a surface over and between electrodes of the touch sensor panel are disclosed. In some examples, electrodes with more linear signal profiles are correlated with lower wobble error. In some examples, diffusing elements formed of floating segments of conductive materials can diffuse signal from a stylus to a plurality of electrodes, thus, making the signal profiles associated with the electrodes more linear. In addition, diffusing elements can be configured to improve the optical uniformity of the touch sensor panel. In some examples, the diffusing elements can be formed on the same layer as floating dummy pixels and resemble a plurality of merged floating dummy pixels.

    Shield structures with reduced spacing between adjacent insulation components and systems and methods for making the same
    163.
    发明授权
    Shield structures with reduced spacing between adjacent insulation components and systems and methods for making the same 有权

    公开(公告)号：US10238018B1

    公开(公告)日：2019-03-19

    申请号：US15836424

    申请日：2017-12-08

    Applicant: Apple Inc.

    Inventor： Wei Lin ,  Nathan K. Gupta ,  John Z. Zhong

    IPC: H05K9/00 ,  H04M1/02 ,  H05K7/04

    Abstract: Shield structures with reduced spacing between adjacent insulation components and systems and methods for making the same are provided. In some embodiments, different insulation components of different layers of a stack may be attached to the same surface of a shield component during a single attachment (e.g., lamination) operation to attenuate the spacing between the different insulation components attached to the shield component. Limiting the size of a spacing between adjacent insulation components along a shield component of a shield structure may limit the size of an exposed portion of the shield component, which may limit the opportunity for that exposed shield component portion to be shorted to another structure (e.g., a support structure of an electronic device that includes the shield structure).

    Electronic Devices Having Scratch-Resistant Antireflection Coatings
    166.
    发明申请
    Electronic Devices Having Scratch-Resistant Antireflection Coatings 审中-公开

    公开(公告)号：US20180081085A1

    公开(公告)日：2018-03-22

    申请号：US15484888

    申请日：2017-04-11

    Applicant: Apple Inc.

    Inventor： Zhenbin Ge ,  Xianwei Zhao ,  Wookyung Bae ,  Sunggu Kang ,  Ligang Wang ,  Avery P. Yuen ,  Stephen C. Cool ,  John Z. Zhong

    IPC: G02B1/115 ,  G02B1/18 ,  G02B1/14

    Abstract: An electronic device may have transparent members such as display cover layers and camera windows. A transparent member such as a sapphire member may be provided with an antireflection coating. The antireflection coating may have a stack of dielectric thin-film interference filter layers that form a thin-film interference filter that suppresses visible light reflections. The stack of dielectric thin-film interference filter layers may have thicknesses and materials that provide the thin-film interference filter and coating with low light reflection properties while enhancing scratch resistance. An adhesion layer may be used to help adhere the stack of thin-film interference filter layer to the transparent member. An antismudge coating such as a fluoropolymer coating may be used to reduce smudging. Graded layers and layers with elevated hardness values may be used in the coating.

    Display with inactive area surrounded by active area
    167.
    发明授权
    Display with inactive area surrounded by active area 有权

    公开(公告)号：US09853096B1

    公开(公告)日：2017-12-26

    申请号：US15257408

    申请日：2016-09-06

    Applicant: Apple Inc.

    Inventor： Jae Won Choi ,  Chin-Wei Lin ,  Minhyuk Choi ,  Shih Chang Chang ,  Tsung-Ting Tsai ,  Young Bae Park ,  John Z. Zhong

    IPC: H01L27/32 ,  H01L27/12

    CPC classification number: H01L27/3276 ,  H01L27/124 ,  H01L51/0096

    Abstract: A display may have an active area with an array of pixels to display images. An inactive area in the display may be formed from an opening in the active area. The inactive area may be enclosed by the pixels in the active area. An inactive border may run along an edge of the inactive area. A grid of positive power supply lines may be used to supply power to the pixels. Initialization voltage lines may be used to distribute initialization voltages to the pixels for use during transistor threshold voltage compensation operations. The inactive border may be free of positive power supply lines and initialization voltages lines. Control signal lines and data lines may pass through the inactive border to supply control signals and data signals respectively to the pixels. The display may have thin-film transistor circuitry with multiple layers of data lines.

    Electronic devices with sapphire-coated substrates
    168.
    发明授权
    Electronic devices with sapphire-coated substrates 有权

    公开(公告)号：US09843014B2

    公开(公告)日：2017-12-12

    申请号：US15042453

    申请日：2016-02-12

    Applicant: Apple Inc.

    Inventor： Tingjun Xu ,  Xianwei Zhao ,  Wookyung Bae ,  Sunggu Kang ,  John Z. Zhong

    IPC: B05D5/12 ,  H01L51/52 ,  C23C14/08 ,  C23C14/58 ,  G02F1/1333

    CPC classification number: H01L51/524 ,  C23C14/081 ,  C23C14/5813 ,  G02F1/133308 ,  G02F2001/133331

    Abstract: An electronic device may have a display that is protected by a transparent cover layer. The transparent cover layer may include a laser-annealed sapphire coating on the outer surface of a glass substrate or other transparent substrate. The sapphire coating may provide the display with a hard, scratch-resistant outer surface. The sapphire coating may be formed by coating a glass substrate with a thin film of amorphous aluminum oxide. The aluminum oxide thin film may be locally heated to transform the amorphous aluminum oxide into alpha-phase aluminum oxide (sapphire). Local heating may be achieved by laser annealing the aluminum oxide coating with a carbon dioxide laser. The laser may produce laser light having a wavelength that is absorbed in the aluminum oxide coating without being absorbed by the glass substrate so that the glass substrate is not damaged during the laser annealing process.

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