公开(公告)号：US10121843B2

公开(公告)日：2018-11-06

申请号：US15176836

申请日：2016-06-08

Applicant: Apple Inc.

Inventor： Tsung-Ting Tsai ,  Chin-Wei Lin ,  Jae Won Choi ,  Young Bae Park

IPC: H01L27/32 ,  H01L27/12

Abstract: A display may have an array of pixels formed from thin-film transistor circuitry. The thin-film transistor circuitry may include thin-film layers of dielectric, semiconductor, and metal on a dielectric substrate. Test structures may be formed around the periphery of the substrate to facilitate testing of the thin-film circuitry during manufacturing. The test structures may include test pads that are coupled to the thin-film circuitry by test lines extending from the thin-film circuitry. Following testing, the outermost portions of the display and the test pads on these display portions may be removed by cutting the substrate along a substrate cut line. The test lines may be formed from parallel lines that are shorted together, semiconductor layers, multiple layers of conductive material, and other structures that resist corrosion along the cut line.

公开(公告)号：US10026348B2

公开(公告)日：2018-07-17

申请号：US15179896

申请日：2016-06-10

Applicant: Apple Inc.

Inventor： Hung Sheng Lin ,  Chin-Wei Lin ,  Hyunwoo Nho

IPC: G09G3/20

Abstract: Driving methods and display systems are described for operating a display panel in flash mode. In an embodiment, the driving method includes time multiplexing between at least two panel operation voltage (VOP) levels including a first VOP level and a second VOP level across all Vdd input lines to a display area, and emitting a first wavelength range from a first subpixel group during application of the first VOP level across all of the Vdd input lines and emitting a second wavelength range from a second subpixel group during application of the second VOP level across all of the Vdd input lines.

公开(公告)号：US20180069194A1

公开(公告)日：2018-03-08

申请号：US15339324

申请日：2016-10-31

Applicant: Apple Inc.

Inventor： Shinya Ono ,  Tsung-Ting Tsai ,  Chin-Wei Lin

IPC: H01L51/52 ,  G09G3/3266 ,  H01L27/32

CPC classification number: H01L51/5253 ,  G09G3/3266 ,  G09G2310/08 ,  G09G2330/04 ,  H01L27/3246 ,  H01L27/326 ,  H01L27/3276

Abstract: Display panels and encapsulation structures are described for OLED display panels, in particular. In an embodiment, a display panel includes a gate driver in panel (GIP) region, a GIP clock region within the GIP region, a pixel area region, and a VSSEL contact region laterally between an outer edge of the GIP region and the pixel area region. In some embodiments, structures are described in which capacitive coupling with the GIP clock region can be mitigated, and overlapping inorganic layers form a barrier to moisture outside of the pixel area region.

公开(公告)号：US20180068617A1

公开(公告)日：2018-03-08

申请号：US15811406

申请日：2017-11-13

Applicant: Apple Inc.

Inventor： Chin-Wei Lin ,  Hung Sheng Lin ,  Shih Chang Chang ,  Shinya Ono

IPC: G09G3/3233 ,  H01L27/12 ,  G09G3/3275 ,  G09G3/3266 ,  H01L29/786

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0202 ,  G09G2320/0295 ,  G09G2320/043 ,  H01L27/1225 ,  H01L29/78651 ,  H01L29/7869

Abstract: A display may have an array of pixels each of which has a light-emitting diode such as an organic light-emitting diode. A drive transistor and an emission transistor may be coupled in series with the light-emitting diode of each pixel between a positive power supply and a ground power supply. The pixels may include first and second switching transistors. A data storage capacitor may be coupled between a gate and source of the drive transistor in each pixel. Signal lines may be provided in columns of pixels to route signals such as data signals, sensed drive currents from the drive transistors, and predetermined voltages between display driver circuitry and the pixels. The switching transistors, emission transistors, and drive transistors may include semiconducting-oxide transistors and silicon transistors and may be n-channel transistors or p-channel transistors.

公开(公告)号：US20180061854A1

公开(公告)日：2018-03-01

申请号：US15339376

申请日：2016-10-31

Applicant: Apple Inc.

Inventor： Shinya Ono ,  Chin-Wei Lin ,  Hung Sheng Lin

IPC: H01L27/12

CPC classification number: H01L27/124 ,  G09G3/3233 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295

Abstract: Display panels including mirror pixel layouts and power rail bridges are described. In an embodiment, a display panel includes a plurality of power rail bridges joining together a subset of power rails for a plurality of adjacent mirror pixels within a row of mirror pixels.

公开(公告)号：US20180061311A1

公开(公告)日：2018-03-01

申请号：US15298085

申请日：2016-10-19

Applicant: Apple Inc.

Inventor： Chin-Wei Lin ,  Hung Sheng Lin ,  Vasudha Gupta ,  Shinya Ono ,  Tsung-Ting Tsai ,  Shyuan Yang

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0297 ,  G09G2310/061 ,  G09G2320/0247 ,  G09G2330/021 ,  G09G2340/0435

Abstract: An electronic device comprises a display and a controller. The controller is configured to provide a first frequency refresh rate to the display. The controller is also configured to generate a control signal configured to control emission of a light emitting diode of a display pixel of the display at a second frequency based on whether the first frequency refresh rate of the display is less than a predetermined threshold value.

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.

公开(公告)号：US09818344B2

公开(公告)日：2017-11-14

申请号：US15263803

申请日：2016-09-13

Applicant: Apple Inc.

Inventor： Chin-Wei Lin ,  Hung Sheng Lin ,  Shih Chang Chang ,  Shinya Ono

IPC: G09G3/30 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12 ,  H01L29/786

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0202 ,  G09G2320/0295 ,  G09G2320/043 ,  H01L27/1225 ,  H01L29/78651 ,  H01L29/7869

Abstract: A display may have an array of pixels each of which has a light-emitting diode such as an organic light-emitting diode. A drive transistor and an emission transistor may be coupled in series with the light-emitting diode of each pixel between a positive power supply and a ground power supply. The pixels may include first and second switching transistors. A data storage capacitor may be coupled between a gate and source of the drive transistor in each pixel. Signal lines may be provided in columns of pixels to route signals such as data signals, sensed drive currents from the drive transistors, and predetermined voltages between display driver circuitry and the pixels. The switching transistors, emission transistors, and drive transistors may include semiconducting-oxide transistors and silicon transistors and may be n-channel transistors or p-channel transistors.

公开(公告)号：US20170263183A1

公开(公告)日：2017-09-14

申请号：US15234564

申请日：2016-08-11

Applicant: Apple Inc.

Inventor： Chin-Wei Lin ,  Shih Chang Chang ,  Vasudha Gupta

IPC: G09G3/3258

CPC classification number: G09G3/3233 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/043

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 over three control lines, may receive data over a data line, may receive a reference voltage from a reference voltage terminal, and may receive power from a pair of power supply terminals. The display driver circuitry may repeatedly operate each pixel in an initialization phase in which the drive transistor is preconditioned with on-bias stress, a data loading and threshold voltage sampling phase, and an emission phase.

公开(公告)号：US20170092196A1

公开(公告)日：2017-03-30

申请号：US15041836

申请日：2016-02-11

Applicant: Apple Inc.

Inventor： Vasudha Gupta ,  Chin-Wei Lin ,  Yafei Bi ,  Hung Shen Lin ,  Jean-Pierre Simon Guillou ,  Tsung-Ting Tsai ,  Sang Y. Youn

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0809 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0247 ,  G09G2320/0252 ,  G09G2330/023 ,  G09G2340/0435

Abstract: An electronic device comprises a display and a controller. The controller is configured to determine a change in a refresh rate of the display from a first frequency to a second frequency. The controller is also configured to selectively generate a control signal configured to control emission of a light emitting diode of a display pixel of the display based on the first frequency.