公开(公告)号：US20250140191A1

公开(公告)日：2025-05-01

申请号：US18931732

申请日：2024-10-30

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroshi TABATAKE

IPC: G09G3/3233 ,  H10K59/131

Abstract: A display device can include a base, a plurality of pixels in a matrix along first and second directions intersecting each other in a display area on the base, control signal lines to supply a control signal to the pixels, and power supply lines to supply an initialization voltage to the pixels. Each pixel can include a pixel circuit having a plurality of transistors and a light emitting element drivable by the pixel circuit. The plurality of transistors can include a first transistor between the power supply line and the light emitting element. The first transistor can be controlled based on the control signal. The control signal lines, which can extend to connect to the plurality of pixels, can be arranged in the second direction. The power supply lines, which can extend to connect to the plurality of pixels, can be arranged in the first direction.

公开(公告)号：US20200243019A1

公开(公告)日：2020-07-30

申请号：US16846855

申请日：2020-04-13

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroyuki KIMURA

IPC: G09G3/3266

Abstract: A plurality of enable circuits are respectively adjacent to a display area in a first direction and connected to a plurality of control lines to output a control signal corresponding to a pulse signal. A plurality of unit circuits include a first group of unit circuits located adjacent to the display area in the first direction, and a second group of unit circuits located adjacent to the display area in a second direction. The plurality of connection lines include a first group of connection lines connected to the first group of unit circuits, and a second group of connection lines connected to the second group of unit circuits. The connection lines of the second group are longer than the connection lines of the first group.

公开(公告)号：US20180331167A1

公开(公告)日：2018-11-15

申请号：US16032157

申请日：2018-07-11

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Hiroshi TABATAKE ,  Yasuhiro OGAWA

IPC: H01L27/32 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/3265 ,  H01L29/41733 ,  H01L29/78675 ,  H01L29/7869 ,  H01L29/78696

Abstract: Provided is a display device including a plurality of pixels at least one of which has a first transistor and a light-emitting element. The first transistor includes a gate electrode, a gate insulating film over the gate electrode, an oxide semiconductor film over the gate insulating film, and a first terminal and a second terminal electrically connected to the semiconductor film. The second terminal is electrically connected to the light-emitting element. A region in which the first terminal overlaps with the gate electrode can be smaller than a region in which the second terminal overlaps with the gate electrode.

公开(公告)号：US20250140190A1

公开(公告)日：2025-05-01

申请号：US18931526

申请日：2024-10-30

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroshi TABATAKE

IPC: G09G3/3233 ,  H10K59/131

Abstract: A display device can include a base, a plurality of pixels arranged in a display area on the base, and a data signal line supplying a data signal to each of the plurality of pixels. Each of the plurality of pixels can include a pixel circuit including a plurality of transistors and a light emitting element driven by the pixel circuit. The pixel circuit can drive the light emitting element to emit light in time division. The first transistor can be connected to the data signal line, among the plurality of transistors including the pixel circuit, can be an oxide transistor.

公开(公告)号：US20250029552A1

公开(公告)日：2025-01-23

申请号：US18905375

申请日：2024-10-03

Applicant: Japan Display Inc.

Inventor： Yasuhiro OGAWA ,  Tetsuo MORITA

IPC: G09G3/32 ,  H01L25/075 ,  H01L33/32 ,  H01L33/62

Abstract: According to one embodiment, a display device includes first wiring layers, a second wiring layer, a first insulating layer, first mounting electrodes, a second mounting electrode, a first light emitting element and a second light emitting element. The second mounting electrode is arranged to surround a first mounting electrode and an other first mounting electrode. The first light emitting element is mounted across the first mounting electrode and the second mounting electrode. The second light emitting element is mounted across the other first mounting electrode and the second mounting electrode. The second mounting electrode is electrically connected to the second wiring layer through a second opening of the first insulating layer, in a non-display area.

公开(公告)号：US20240153443A1

公开(公告)日：2024-05-09

申请号：US18406360

申请日：2024-01-08

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Yasuhiro OGAWA

IPC: G09G3/32 ,  G09G3/20 ,  H01L25/075

CPC classification number: G09G3/32 ,  G09G3/2003 ,  H01L25/0753 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/08 ,  G09G2330/00

Abstract: According to one embodiment, a display device includes a display region where pixels are arranged. Each of the pixels includes a pixel electrode, a light emitting element, a drive transistor, a first capacitance electrode layer opposed to the pixel electrode and held at a constant potential, and an insulating layer forming an auxiliary capacitance together with the pixel electrode and the first capacitance electrode layer. A value of the auxiliary capacitance of the first pixel, of the values of the auxiliary capacitance of the pixels is the largest.

公开(公告)号：US20200242991A1

公开(公告)日：2020-07-30

申请号：US16846907

申请日：2020-04-13

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroyuki Kimura

IPC: G09G3/20 ,  H01L27/32

Abstract: Different groups include the same type of control lines. The first control lines are arranged such that control lines of different types belonging to each of group are adjacent to each other. In the second area, the second control lines are arranged such that control lines of different types belonging to each group are adjacent to each other. In the non-display area, the second control lines are arranged such that control lines of the same type belonging to different groups are adjacent to each other. The capacitor electrode includes portions connected to each other and arranged in the second direction. Each portion faces each other for control lines of the same type adjacent in the non-display area. Any of the portions and any of the other portions differ in width in the first direction.

公开(公告)号：US20190228706A1

公开(公告)日：2019-07-25

申请号：US16248077

申请日：2019-01-15

Applicant: Japan Display Inc.

Inventor： Yutaka UMEDA ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Tetsuo MORITA

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  H01L27/32

Abstract: A display device includes a drive transistor having a first electrode connected to a first node, a second electrode connected to a second node, and a third electrode connected to a third node, a first switch having one terminal connected to the first node, a second switch having one terminal connected to the first node, a third switch controlled by a first control signal and having one terminal connected to the second node, a fourth switch controlled by the first control signal together with the third switch, and having one terminal connected to a power supply line and another terminal connected to the third node, a capacitor element having one terminal connected to the first node and another terminal connected to the second node, and a light emitting element including a pixel electrode connected to the second node, and a first common electrode.

公开(公告)号：US20170287951A1

公开(公告)日：2017-10-05

申请号：US15462971

申请日：2017-03-20

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Hiroshi TABATAKE ,  Yasuhiro OGAWA

IPC: H01L27/12 ,  H01L29/786 ,  H01L27/13

CPC classification number: H01L27/1255 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/13 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/78675 ,  H01L29/7869 ,  H01L2227/323

Abstract: Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

公开(公告)号：US20160104761A1

公开(公告)日：2016-04-14

申请号：US14882093

申请日：2015-10-13

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Hiroyuki KIMURA ,  Makoto SHIBUSAWA ,  Hiroshi NAKAYAMA ,  Tetsuo MORITA ,  Yutaka UMEDA

IPC: H01L27/32

CPC classification number: H01L27/1214 ,  H01L27/124 ,  H01L27/326 ,  H01L27/3272

Abstract: A display device includes a display region comprising a plurality of pixels, each pixel of the plurality of pixels comprises a light emitting element which includes a pixel electrode, a conductive layer below the pixel electrode and configured to receive a specified electric voltage, and a thin film transistor below the pixel electrode and the conductive layer, wherein the thin film transistor comprises a semiconductor layer which includes a channel region, a gate electrode which is overlapping the channel region, a first electrode electrically connected to the semiconductor layer and the pixel electrode, and a second electrode electrically connectable to a power supply line, wherein the conductive layer includes an overlapped region which overlaps with the channel region, and the first electrode extends so as to cover the gate electrode at the overlapped region.

Abstract translation: 显示装置包括包括多个像素的显示区域，所述多个像素的每个像素包括发光元件，所述发光元件包括像素电极，所述像素电极下方的导电层，并且被配置为接收指定的电压， 薄膜晶体管，其中薄膜晶体管包括半导体层，其包括沟道区，与沟道区重叠的栅电极，与半导体层电连接的第一电极和像素电极， 以及电连接到电源线的第二电极，其中所述导电层包括与所述沟道区重叠的重叠区域，并且所述第一电极延伸以覆盖所述重叠区域处的所述栅电极。