公开(公告)号：US20150356911A1

公开(公告)日：2015-12-10

申请号：US14709945

申请日：2015-05-12

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Toshiaki FUKUSHIMA ,  Gen KOIDE ,  Yoshiyuki KII

IPC: G09G3/22

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/044

Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a control circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The control circuit unit is provided in the peripheral region, and includes a first circuit unit including a third line connection line, and a third line switch. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. The first circuit unit is partially disposed between the drive element and the first substrate.

Abstract translation: 根据一个实施例，显示装置包括第一和第二基板单元，显示功能层和驱动元件。 第一基板单元包括第一基板，显示单元和控制电路单元。 第一基板具有包括显示区域和周边区域的第一表面。 显示单元设置在显示区域中，并且包括第一行，第二行，开关元件，像素电极和第三行。 控制电路单元设置在周边区域中，并且包括包括第三线路连接线的第一电路单元和第三线路开关。 第二基板单元包括第二基板和第四线。 显示功能层设置在第一和第二基板单元之间。 驱动元件设置在周边区域上。 第一电路单元部分地设置在驱动元件和第一基板之间。

公开(公告)号：US20250113116A1

公开(公告)日：2025-04-03

申请号：US18958336

申请日：2024-11-25

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H04N25/772 ,  H04N25/78 ,  H10K39/34 ,  H10K39/38

Abstract: According to an aspect, a detection device includes: an optical sensor; a light source configured to emit light to the optical sensor; a detection signal amplifying circuit configured to convert a variation of current supplied from the optical sensor into a variation of voltage; and an analog-to-digital (A/D) conversion circuit configured to convert an output voltage signal after being converted into the voltage variation into a digital detection value. The A/D conversion circuit is configured to limit the detection value to a maximum digital gradation value or a minimum digital gradation value when the light source is off.

公开(公告)号：US20250063882A1

公开(公告)日：2025-02-20

申请号：US18939911

申请日：2024-11-07

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H10K39/32 ,  H10K30/81 ,  H10K39/38

Abstract: According to an aspect, a detection device includes: a substrate; and a photodiode in which a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode are stacked on the substrate in the order as listed. In plan view, the lower electrode is provided so as to extend from an area overlapping an organic semiconductor layer including the lower buffer layer, the active layer, and the upper buffer layer to an area outside a side surface of the organic semiconductor layer.

公开(公告)号：US20250015120A1

公开(公告)日：2025-01-09

申请号：US18890047

申请日：2024-09-19

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H01L27/146

Abstract: According to an aspect, a detection device includes: a substrate; a photodiode that is provided on the substrate and in which a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode are stacked on the substrate in the order as listed; a signal line that is provided between the substrate and the photodiode in a direction orthogonal to the substrate and is electrically coupled to the lower electrode of the photodiode; a detection circuit electrically coupled to the photodiode via the signal line; and a shield layer that is provided between the signal line and the lower buffer layer in the direction orthogonal to the substrate and is configured to be supplied with a reference voltage.

公开(公告)号：US20240219787A1

公开(公告)日：2024-07-04

申请号：US18609063

申请日：2024-03-19

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/136 ,  G02F1/1368

CPC classification number: G02F1/136227 ,  G02F1/133512 ,  G02F1/134363 ,  G02F1/13606 ,  G02F1/13629 ,  G02F1/134318 ,  G02F1/134336 ,  G02F1/13685

Abstract: According to one embodiment, a semiconductor substrate including, a switching element, a first organic insulating film, first and second metal lines arranged in a first direction and extending in a second direction, and a metal electrode located between the first and second metal lines. The first organic insulating film includes first and second surfaces. The switching element is covered with the first surface. The first and second metal lines and the metal electrode are located on the second surface side. The first metal line includes a first portion extending in the second direction and a second portion having a width larger than a width of the first portion. The second portion includes arcuate first and second edge. The metal electrode has a polygonal shape having n corners or an elliptic shape where n is larger than four.

公开(公告)号：US20240153964A1

公开(公告)日：2024-05-09

申请号：US18411390

申请日：2024-01-12

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Masaki MURASE ,  Nobuyuki ISHIGE

IPC: H01L27/12 ,  H10K59/131

CPC classification number: H01L27/124 ,  H01L27/1244 ,  H10K59/131 ,  H10K59/1315 ,  G02F1/13629

Abstract: In a transistor substrate of a display device, a plurality of signal lines to which any one of drive signals of a gate signal and a video signal is supplied include a plurality of first signal lines to which the drive signal is supplied. The first signal line is connected to a driving driver, and is formed in an edge region positioned between an end portion of a substrate and a pixel region and in the pixel region. The first signal line is formed to pass through a first wiring formed in a first layer from a second wiring formed in a second layer in the edge region.

公开(公告)号：US20240069393A1

公开(公告)日：2024-02-29

申请号：US18500216

申请日：2023-11-02

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/041 ,  G06F3/044 ,  G09G3/36

CPC classification number: G02F1/13454 ,  G02F1/13338 ,  G02F1/134363 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/04164 ,  G06F3/04184 ,  G06F3/044 ,  G06F3/0445 ,  G06F3/0446 ,  G09G3/3611 ,  G09G3/3648 ,  G09G3/3655 ,  G02F1/1368 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56 ,  G06F2203/04107

Abstract: According to one embodiment, a display device includes a first common electrode and a second common electrode arranged in a first direction, a first switch unit selectively supplying a first drive signal or a second drive signal different from the first drive signal to the first common electrode, and a second switch unit selectively supplying the first drive signal or the second drive signal to the second common electrode, wherein the second common electrode and the first switch unit are arranged in a second direction intersecting the first direction, the first switch unit comprises a first switch circuit and a second switch circuit arranged in the second direction.

公开(公告)号：US20230400941A1

公开(公告)日：2023-12-14

申请号：US18239387

申请日：2023-08-29

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/044 ,  G06F3/04164 ,  G02F1/13338

Abstract: A display device includes a plurality of first sub-pixels configured to display red, a plurality of second sub-pixels configured to display green, a plurality of third sub-pixels configured to display blue, and a plurality of fourth sub-pixels configured to display white, a first signal line coupled to the first sub-pixels, a second signal line coupled to the second sub-pixels, and a third signal line coupled to the third sub-pixels and the fourth sub-pixels, a plurality of detection electrodes arrayed in a matrix (row-column configuration) and each provided overlapping the first sub-pixels, the second sub-pixels, the third sub-pixels, and the fourth sub-pixels, and a plurality of signal supply wires coupled to the respective detection electrodes. The signal supply wires are each provided overlapping at least one of the first signal line and the second signal line and not overlapping the third signal line.

公开(公告)号：US20230288762A1

公开(公告)日：2023-09-14

申请号：US18197321

申请日：2023-05-15

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1345 ,  H01L27/12 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044

CPC classification number: G02F1/13454 ,  G02F1/13338 ,  G02F1/136286 ,  G02F1/1368 ,  G06F3/04164 ,  G06F3/04166 ,  G06F3/0443 ,  H01L27/1222 ,  H01L27/124 ,  G06F2203/04101 ,  G06F2203/04102 ,  H01L29/78696

Abstract: A display device is provided and includes display unit comprising common electrodes two dimensionally arrayed on substrate, drive signal lines configured to transmit drive signals for touch detection to common electrodes, and switch circuit comprising transistors connected to drive signal lines to select at least one common electrode; flexible substrate connected to substrate; pads at connections of flexible substrate and substrate; and touch detection circuit configured to transmit drive signals to common electrodes, wherein: transistors comprises: first transistor connected to first electrode of common electrodes via first wiring of first length; and second transistor connected to second electrode of common electrodes via second wiring of second length; channel width of first transistor is narrower than channel width of second transistor; drive signal lines are respectively connected to pads separated at two or more positions.

公开(公告)号：US20230147567A1

公开(公告)日：2023-05-11

申请号：US17980672

申请日：2022-11-04

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G09G3/34

CPC classification number: G09G3/34 ,  G09G2310/08 ,  G09G2310/0294 ,  G09G2330/08 ,  G09G2300/0823 ,  G09G2330/021

Abstract: A display device has a write period of charging a holding capacitor included in each of pixels arranged in a first direction and a second direction different from the first direction in a display region, and has a hold period of holding capacitance of the holding capacitor charged during the write period. The display device comprises a potential maintenance circuit configured to maintain, during the hold period, one of three potential values of a positive-polarity potential, a ground (GND) potential, and a negative-polarity potential having charged the holding capacitor during the write period.