公开(公告)号：US12182357B2

公开(公告)日：2024-12-31

申请号：US18605445

申请日：2024-03-14

Applicant: Japan Display Inc.

Inventor： Naoki Takada ,  Hiroshi Yamaguchi ,  Kisho Yamamoto

IPC: G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, a sensor device includes a panel and a control circuit. The panel includes an insulating layer, a first electrode, and a second electrode. The control circuit including a first circuit including a timing control circuit and a first amplifier, and a second circuit including a detection circuit connected to a ground line. During a first sensing drive period, the first output unit outputs a first synchronization signal, the timing control circuit outputs a second synchronization signal, the first amplifier provides the amplified second synchronization signal to each of the floating ground line and the first electrode, and the detector reads a change in a sensor signal.

公开(公告)号：US12182348B2

公开(公告)日：2024-12-31

申请号：US18464386

申请日：2023-09-11

Applicant: Japan Display Inc.

Inventor： Yuko Matsumoto ,  Hajime Akimoto ,  Mitsuhide Miyamoto ,  Yusuke Tada

IPC: H10K50/844 ,  G06F3/041 ,  H10K59/131 ,  H10K59/40 ,  H10K71/00

Abstract: The method for manufacturing a display device includes forming a light emitting element and a terminal on a substrate, forming a sealing film including a first inorganic insulating film and a second inorganic insulating film to cover the light emitting element and the terminal, forming a resist having a taper shape in which a thickness of an end portion on the sealing film becomes thinner as it goes to the terminal side by using a gray-tone mask, forming a taper shape in which thicknesses in end portions of the first inorganic insulating film and the second inorganic insulating film becomes thinner as it goes to the terminal side by etching, forming a touch electrode above the sealing film and forming wiring connected to the terminal via the end portions together with connecting to the touch electrode for detecting a touched position.

公开(公告)号：US20240429320A1

公开(公告)日：2024-12-26

申请号：US18824934

申请日：2024-09-05

Applicant: Japan Display Inc.

Inventor： Tatsuya TODA ,  Masashi TSUBUKU ,  Toshinari SASAKI

IPC: H01L29/786 ,  G01N23/20091 ,  H01L27/12

Abstract: A semiconductor device includes an oxide semiconductor layer including indium, a gate electrode facing the oxide semiconductor layer, a gate insulating layer between the oxide semiconductor layer and the gate electrode, and a first electrode arranged above the oxide semiconductor layer and being in contact with the oxide semiconductor layer from above the oxide semiconductor layer. The indium is unevenly distributed in an unevenly distributed region among the oxide semiconductor layer. The unevenly distributed region overlaps with the first conductive layer in a planar view.

公开(公告)号：US20240427204A1

公开(公告)日：2024-12-26

申请号：US18823715

申请日：2024-09-04

Applicant: Japan Display Inc.

Inventor： Kentaro KAWAI

IPC: G02F1/1362 ,  G02F1/1345

Abstract: A display device includes an array substrate including a display region arranged with pixels and a peripheral region outside the display region, a counter substrate facing the array substrate, and a liquid crystal layer between the array substrate and the counter substrate. The display region includes a plurality of scanning signal lines extending in a first direction and arranged in a second direction intersecting the first direction, and a plurality of data signal lines extending in the second direction and arranged in the first direction. The peripheral region includes a first wiring pattern arranged with a plurality of first wirings connecting a scanning signal line driver circuit and the plurality of scanning signal lines, and a second wiring pattern arranged with a plurality of second wirings being supplied with a certain electric potential.

公开(公告)号：US20240427182A1

公开(公告)日：2024-12-26

申请号：US18745235

申请日：2024-06-17

Applicant: Japan Display Inc.

Inventor： Yoshifumi KAMEI ,  Yoshikatsu IMAZEKI ,  Koichi MIYASAKA ,  Yoichi KAMIJO ,  Shuichi OSAWA

IPC: G02F1/1333

Abstract: A method of manufacturing a light adjustment device includes a panel unit in which at least four light adjustment panels each including a first substrate and a second substrate overlapping the first substrate in a first direction are stacked in the first direction, and a conductive member that is provided at an end part of the panel unit in a second direction intersecting the first direction and extends in the first direction.

公开(公告)号：US12178069B2

公开(公告)日：2024-12-24

申请号：US17474749

申请日：2021-09-14

Applicant: Japan Display Inc.

Inventor： Daisuke Kato

IPC: H10K50/844 ,  G09F9/00 ,  G09F9/30 ,  H10K59/12 ,  H10K59/124 ,  H10K59/80 ,  H10K71/00

Abstract: A display device including a substrate, a transistor, a leveling film, a display element, a dam, and a guide. The substrate has a display region and a periphery region surrounding the display region. The transistor is located over the display region. The leveling film is located over and covers the transistor. The display element is located over the leveling film and is electrically connected to the transistor. The dam is located over the peripheral region and surrounds the display region. The guide is located between the leveling film and the dam and surrounds the display region. The guide includes a first organic compound included in the leveling film.

公开(公告)号：US12175037B2

公开(公告)日：2024-12-24

申请号：US18534745

申请日：2023-12-11

Applicant: Japan Display Inc.

Inventor： Hideyuki Takahashi ,  Hiroshi Tabatake ,  Sho Yanagisawa

IPC: G06F3/041 ,  H10K59/131 ,  H10K59/80 ,  G06F3/044

Abstract: Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.

公开(公告)号：US12170290B2

公开(公告)日：2024-12-17

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 ,  G02F1/1362 ,  G02F1/1368 ,  H01L29/786

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：US12169331B2

公开(公告)日：2024-12-17

申请号：US18499272

申请日：2023-11-01

Applicant: Japan Display Inc.

Inventor： Naoyuki Obinata

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/1345 ,  G02F1/1362 ,  G06F3/041 ,  G06F3/044 ,  G09G3/36 ,  H01L27/12 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1368

Abstract: A display device includes first and second common electrodes arranged in a first direction and separated from each other, a signal line located between the first and second common electrodes and extending in a second direction crossing the first direction, a pixel electrode electrically connected to the signal line and overlapping the first common electrode, a first metal line located between the first and second common electrodes and extending in the second direction, and a third common electrode arranged and extending in the second direction and separated from the first common electrode, overlapping the signal line. The first metal line is applied a predetermined voltage from plural connection portions, and includes arranged in the second direction a first line portion adjacent and electrically connected to the first common electrode and a second line portion, separated from the first line portion, and adjacent and electrically connected to the third common electrode.

公开(公告)号：US20240414996A1

公开(公告)日：2024-12-12

申请号：US18677977

申请日：2024-05-30

Applicant: Japan Display Inc.

Inventor： Kenichi TAKEMASA ,  Daiki ISONO

IPC: H10K59/80 ,  H10K59/131

Abstract: The following transparent display device is used: an array substrate having a translucency, including a first main surface and a second main surface opposite to the first main surface, and having a display unit; a transparent substrate having a transparency and including a third main surface and a fourth main surface opposite to the third main surface; a plurality of sealing materials connecting the second main surface and the third main surface to each other in a plan view; an opening defining an inlet for a cooling medium having translucency; an opening defining an outlet for the cooling medium; and a flow path surrounded by the array substrate, the transparent substrate, and the plurality of sealing medium, and the cooling medium flows through the flow path from one of the openings 8 to the other of the openings.