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    Light-emitting diode displays
    21.
    发明授权
    Light-emitting diode displays 有权

    公开(公告)号：US11233113B2

    公开(公告)日：2022-01-25

    申请号：US16826521

    申请日：2020-03-23

    Applicant: Apple Inc.

    Inventor： Cheng-Ho Yu ,  Chin-Wei Lin ,  Shyuan Yang ,  Ting-Kuo Chang ,  Tsung-Ting Tsai ,  Warren S. Rieutort-Louis ,  Shih-Chang Chang ,  Yu Cheng Chen ,  John Z. Zhong

    IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/3266 ,  G06F3/044

    Abstract: A display may have an array of pixels. Display driver circuitry may supply data and control signals to the pixels. Each pixel may have seven transistors, a capacitor, and a light-emitting diode such as an organic light-emitting diode. The seven transistors may receive control signals using horizontal control lines. Each pixel may have first and second emission enable transistors that are coupled in series with a drive transistor and the light-emitting diode of that pixel. The first and second emission enable transistors may be coupled to a common control line or may be separately controlled so that on-bias stress can be effectively applied to the drive transistor. The display driver circuitry may have gate driver circuits that provide different gate line signals to different rows of pixels within the display. Different rows may also have different gate driver strengths and different supplemental gate line loading structures.

    Structure for pixelated self-capacitance
    22.
    发明授权
    Structure for pixelated self-capacitance 有权

    公开(公告)号：US10268295B2

    公开(公告)日：2019-04-23

    申请号：US15304494

    申请日：2014-10-01

    Applicant: APPLE INC.

    Inventor： Byung Duk Yang ,  Chun-Yao Huang ,  Kyung-Wook Kim ,  Shih-Chang Chang ,  Szuhsien Lee ,  Yong Kwan Kim

    IPC: G06F3/044 ,  G06F3/041

    Abstract: A touch screen having layers. The touch screen can include a substrate upon which the layers of the touch screen are disposed, and a touch region including a touch pixel electrode, a first display sub-pixel and a second display sub-pixel. The touch screen can also include a sense connection coupled to touch sensing circuitry. An intermediate connection can be disposed between the touch pixel electrode and the sense connection, and can be coupled to the sense connection at the first display sub-pixel and the touch pixel electrode at the second display sub-pixel. In some examples, the sense connection can be disposed at least partially underneath a structure in the first display sub-pixel, such as a data line. In some examples, the intermediate connection can be comprised of a same material type as a structure in the first display sub-pixel, such as a gate line material.

    Display circuitry with reduced metal routing resistance
    26.
    发明授权
    Display circuitry with reduced metal routing resistance 有权

    公开(公告)号：US09704888B2

    公开(公告)日：2017-07-11

    申请号：US14150458

    申请日：2014-01-08

    Applicant: Apple Inc.

    Inventor： Yu Cheng Chen ,  Shih-Chang Chang ,  Hiroshi Osawa ,  Ting-Kuo Chang

    IPC: H01L27/12 ,  H01L29/786

    CPC classification number: H01L27/124 ,  H01L27/1248 ,  H01L29/78633 ,  H01L29/78645

    Abstract: A display may have a color filter layer and a thin-film transistor layer. A layer of liquid crystal material may be located between the color filter layer and the thin-film transistor (TFT) layer. The TFT layer may include thin-film transistors formed on top of a glass substrate. A passivation layer may be formed on the thin-film transistor layers. An oxide liner may be formed on the passivation layer. A first low-k dielectric layer may be formed on the oxide liner. A second low-k dielectric layer may be formed on the first low-k dielectric layer. A common voltage electrode and associated storage capacitance may be formed on the second low-k dielectric layer. Thin-film transistor gate structures may be formed in the passivation layer. Conductive routing structures may be formed on the oxide liner, on the first low-k dielectric layer, and on the second low-k dielectric layer. The use of routing structures on the oxide liner reduces overall routing resistance and enables interlaced metal routing, which can help reduce the inactive border area outside the active display regions.

    Displays with Reduced Driver Circuit Ledges
    27.
    发明申请
    Displays with Reduced Driver Circuit Ledges 审中-公开
    显示器带减速驱动电路板

    公开(公告)号：US20170012095A1

    公开(公告)日：2017-01-12

    申请号：US15272295

    申请日：2016-09-21

    Applicant: Apple Inc.

    Inventor： John Z. Zhong ,  Cheng Chen ,  Shih-Chang Chang ,  Victor H. Yin ,  Shawn R. Gettemy ,  Wei Chen

    IPC: H01L27/32 ,  G02F1/1368 ,  H01L51/52 ,  G06F3/044 ,  G02F1/133 ,  H01L25/18 ,  G02F1/1335 ,  G02F1/1333

    CPC classification number: H01L27/3262 ,  G02F1/13306 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/13452 ,  G02F1/1368 ,  G02F2201/42 ,  G06F3/044 ,  H01L25/18 ,  H01L27/1218 ,  H01L27/323 ,  H01L27/3258 ,  H01L27/3276 ,  H01L51/5281

    Abstract: An electronic device display may have a color filter layer, a thin-film-transistor layer, and a layer of liquid crystal material. The display may have a display cover layer such as a layer of glass or plastic. Adhesive may be used to attach the upper polarizer to the display cover layer. The thin-film transistor layer may have a substrate with upper and lower surfaces. Thin-film-transistor circuitry may be formed on the upper surface. A display driver integrated circuit may be mounted to the lower surface or a flexible printed circuit and may be coupled to the thin-film-transistor circuitry using wire bonding wires. Through vias that are formed through the thin-film-transistor layer substrate may be used in coupling the thin-film-transistor circuitry to the display driver integrated circuit.

    Abstract translation: 电子设备显示器可以具有滤色器层，薄膜晶体管层和液晶材料层。 显示器可以具有诸如玻璃或塑料层的显示器覆盖层。 粘合剂可用于将上偏振器附接到显示器盖层。 薄膜晶体管层可以具有具有上表面和下表面的基板。 薄膜晶体管电路可以形成在上表面上。 显示驱动器集成电路可以安装到下表面或柔性印刷电路，并且可以使用引线接合线耦合到薄膜晶体管电路。 通过薄膜晶体管层基板形成的通孔可以用于将薄膜晶体管电路耦合到显示驱动器集成电路。

    Displays with Flipped Panel Structures
    28.
    发明申请
    Displays with Flipped Panel Structures 有权
    显示与翻转面板结构

    公开(公告)号：US20150219972A1

    公开(公告)日：2015-08-06

    申请号：US14491248

    申请日：2014-09-19

    Applicant: Apple Inc.

    Inventor： Byung Duk Yang ,  Kyung-Wook Kim ,  Shih-Chang Chang ,  Hiroshi Osawa ,  John Z. Zhong

    IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1368

    CPC classification number: G02F1/136209 ,  G02F2001/133357 ,  G02F2001/136222

    Abstract: A display may have a thin-film transistor layer and a color filter layer. The display may include light blocking structures formed on a transparent substrate. In one arrangement, a clear planarization layer may be formed over the light blocking structures. The thin-film transistor layer may be formed over the planarization layer. The color filter layer may be integrated with the thin-film transistor layer. At least light blocking structures and the planarization layer should be formed from high temperature resistance material. In another arrangement, the color filter layer may be formed on the light blocking structures. A clear planarization layer may then be formed over the color filter layer. The thin-film transistor layer may be formed on the planarization layer. In this arrangement, the color filter layer also needs to be formed from thermal resistance material.

    Abstract translation: 显示器可以具有薄膜晶体管层和滤色器层。 显示器可以包括形成在透明基板上的遮光结构。 在一种布置中，可以在光阻挡结构之上形成透明的平坦化层。 薄膜晶体管层可以形成在平坦化层上。 滤色器层可以与薄膜晶体管层集成。 至少遮光结构和平坦化层应由耐高温材料形成。 在另一种布置中，滤色器层可以形成在遮光结构上。 然后可以在滤色器层上形成清晰的平坦化层。 可以在平坦化层上形成薄膜晶体管层。 在这种布置中，滤色器层也需要由耐热材料形成。

    Border Masking Structures for Liquid Crystal Display
    29.
    发明申请
    Border Masking Structures for Liquid Crystal Display 有权
    液晶显示屏边框屏蔽结构

    公开(公告)号：US20150146144A1

    公开(公告)日：2015-05-28

    申请号：US14164026

    申请日：2014-01-24

    Applicant: Apple Inc.

    Inventor： Byung Duk Yang ,  Kyung-Wook Kim ,  Shih-Chang Chang ,  Hiroshi Osawa ,  Hirokazu Yamagata ,  Daisuke Nozu

    IPC: G02F1/1335

    CPC classification number: G02F1/136209 ,  G02F1/133512

    Abstract: A display may have a thin-film transistor layer and color filter layer. The display may have an active area and an inactive border area. Light blocking structures in the inactive area may prevent stray backlight from a backlight light guide plate from leaking out of the display. The thin-film transistor layer may have a clear substrate, a patterned black masking layer on the clear substrate, a clear planarization layer on the black masking layer, and a layer of thin-film transistor circuitry on the clear planarization layer. The black masking layer may be formed from black photoimageable polyimide. The clear planarization layer may be formed from spin-on glass. The light blocking structures may include a first layer formed from a portion of the black masking layer and a second layer such as a layer of black tape on the underside of the color filter layer.

    Abstract translation: 显示器可以具有薄膜晶体管层和滤色器层。 显示器可以具有活动区域和非活动边界区域。 非活动区域中的遮光结构可以防止来自背光导光板的杂散背光从显示器泄漏出来。 薄膜晶体管层可以具有透明衬底，透明衬底上的图案化黑色掩蔽层，黑色掩蔽层上的清晰平坦化层，以及透明平坦化层上的薄膜晶体管电路层。 黑色掩模层可以由黑色可光成像的聚酰亚胺形成。 透明的平坦化层可以由旋涂玻璃形成。 遮光结构可以包括由黑色掩模层的一部分形成的第一层和在滤色器层的下侧上的第二层，例如黑色胶带层。

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