公开(公告)号：US10354585B2

公开(公告)日：2019-07-16

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

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：US20190086720A1

公开(公告)日：2019-03-21

申请号：US16041667

申请日：2018-07-20

Applicant: Apple Inc.

Inventor： Byung Duk Yang ,  Hao-Lin Chiu ,  Kwang Soon Park ,  Kyung Wook Kim ,  Sai-Chang Liu ,  Shih Chang Chang

IPC: G02F1/1335 ,  G02F1/133 ,  G02F1/1334 ,  G02F1/1362 ,  H01L27/12

CPC classification number: G02F1/136209 ,  G02F1/136227 ,  G02F1/1368 ,  G02F2001/133357 ,  G02F2001/136222 ,  G02F2001/13685

Abstract: A display may have pixels configured to display images. The pixels may be formed from thin-film transistor circuitry on a substrate. Color filter elements formed from colored polymer such as colored photoimageable polymer may be formed on the substrate. A black matrix formed from black photoimageable polymer may have an array of openings. The colored polymer may have first portions that overlap the black matrix and second portions in the openings that form the color filter elements. In some portions of the pixels, the thin-film transistor circuitry may be interposed between the first portions of the colored polymer and the black matrix. In other portions of the pixels, data lines may be formed that are overlapped by the black matrix and that are interposed between the first portions of the colored polymer and the black matrix.

公开(公告)号：US10096622B2

公开(公告)日：2018-10-09

申请号：US15727475

申请日：2017-10-06

Applicant: Apple Inc.

Inventor： Vasudha Gupta ,  Jae Won Choi ,  Shih Chang Chang ,  Tsung-Ting Tsai ,  Young Bae Park

IPC: G02F1/1335 ,  G02F1/136 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/32 ,  G02F1/1345 ,  H01L29/786

Abstract: An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be formed that include semiconducting oxide thin-film transistors, silicon thin-film transistors, and capacitor structures. The capacitor structures may overlap the semiconducting oxide thin-film transistors. Organic light-emitting diode display pixels may have combinations of oxide and silicon transistors. In a liquid crystal display, display driver circuitry may include silicon thin-film transistor circuitry and display pixels may be based on oxide thin-film transistors. A single layer or two different layers of gate metal may be used in forming silicon transistor gates and oxide transistor gates. A silicon transistor may have a gate that overlaps a floating gate structure.

公开(公告)号：US10020354B2

公开(公告)日：2018-07-10

申请号：US14854367

申请日：2015-09-15

Applicant: Apple Inc.

Inventor： Jungbae Kim ,  Kyung Wook Kim ,  MinKyu Kim ,  Shih Chang Chang ,  Young Bae Park ,  Jae Won Choi

IPC: H01L27/32

CPC classification number: H01L27/3265 ,  H01L27/1225 ,  H01L27/1237 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3248 ,  H01L27/3262

Abstract: An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be formed that include semiconducting oxide thin-film transistors, silicon thin-film transistors, and capacitor structures. The capacitor structures may overlap the semiconducting oxide thin-film transistors. The silicon transistors may be configured in a top gate arrangement. The oxide transistors may be configured in a top gate or a bottom gate arrangement. In one embodiment, source-drain contacts for the silicon and oxide transistors may be formed simultaneously. In another embodiment, the silicon and oxide thin-film transistor structures may be formed using at least three metal routing layers.

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：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：US09818765B2

公开(公告)日：2017-11-14

申请号：US14249716

申请日：2014-04-10

Applicant: Apple Inc.

Inventor： Hiroshi Osawa ,  Kyung-Wook Kim ,  Ming-Chin Hung ,  Shih Chang Chang ,  Yu-Cheng Chen

IPC: G02F1/136 ,  G02F1/1345 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/32

CPC classification number: H01L27/1225 ,  G02F1/13452 ,  G02F1/13454 ,  G02F1/13624 ,  G02F1/1368 ,  G02F2001/13685 ,  G02F2202/104 ,  H01L27/1222 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3262 ,  H01L27/3272 ,  H01L29/7869

Abstract: An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be formed that include semiconducting oxide thin-film transistors, silicon thin-film transistors, and capacitor structures. The capacitor structures may overlap the semiconducting oxide thin-film transistors. Organic light-emitting diode display pixels may have combinations of oxide and silicon transistors. In a liquid crystal display, display driver circuitry may include silicon thin-film transistor circuitry and display pixels may be based on oxide thin-film transistors. A single layer or two different layers of gate metal may be used in forming silicon transistor gates and oxide transistor gates. A silicon transistor may have a gate that overlaps a floating gate structure.

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：US20170309645A1

公开(公告)日：2017-10-26

申请号：US15215378

申请日：2016-07-20

Applicant: Apple Inc.

Inventor： Byung Duk Yang ,  Yong Kwan Kim ,  Kyung Wook Kim ,  Shih Chang Chang

IPC: H01L27/12 ,  G09G3/36

CPC classification number: H01L27/124 ,  G02F1/136286 ,  G02F2001/13606 ,  G02F2001/13629 ,  G02F2201/40 ,  G09G3/3659 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2320/0219

Abstract: Display backplanes and pixel element structures are described. In an embodiment, a pixel electrode is located between two stacked data lines, with a left edge of the pixel electrode being separated from a first lower data line by approximately a same distance as a right edge of the pixel electrode is separated from a second lower data line.

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.