公开(公告)号：US12229377B2

公开(公告)日：2025-02-18

申请号：US18391848

申请日：2023-12-21

Applicant: Japan Display Inc.

Inventor： Koichi Miyasaka ,  Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Shuichi Osawa ,  Toshinori Uehara

IPC: G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G06V40/13

Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.

公开(公告)号：US12228815B2

公开(公告)日：2025-02-18

申请号：US18739479

申请日：2024-06-11

Applicant: Japan Display Inc.

Inventor： Tetsuya Yamamoto ,  Tatsuaki Kuji ,  Satoru Kawasaki

IPC: G09G3/20 ,  G02F1/1335

Abstract: According to one embodiment, a display device includes a first substrate including a plurality of pixels, a second substrate opposed comprising a plurality of color filters and a light-shielding layer, and a liquid crystal layer. The plurality of pixels include a plurality of first pixels arranged in an oblique direction and a plurality of second pixels adjacent to each of the plurality of first pixels. The plurality of color filters include a first color filter extending in the oblique direction to overlap with the plurality of first pixels and a second color filter extending in the oblique direction to overlap with the plurality of second pixels. The light-shielding layer extends to overlap with a boundary portion between the first and second color filters.

公开(公告)号：US20250052626A1

公开(公告)日：2025-02-13

申请号：US18768891

申请日：2024-07-10

Applicant: JAPAN DISPLAY INC.

Inventor： Fumihoru NAKANO ,  Toshinori UEHARA

IPC: G01L1/20 ,  G01L1/22

Abstract: According to one embodiment, a strain detection device includes a flexible base material, first, second, third, and fourth sensor patterns on the base material, each including a plural strain gauges provided in a row. First strain gauges of the first sensor pattern, second strain gauges of the second sensor pattern, third strain gauges of the third sensor pattern, and fourth strain gauges of the fourth sensor pattern are arranged facing each other in a thickness direction of the base material. The first and fourth strain gauges are arranged symmetrically with a center position of the base material in the thickness direction, and the second and third strain gauges are arranged symmetrically with the center position of the base material in the thickness direction.

公开(公告)号：US12225806B2

公开(公告)日：2025-02-11

申请号：US17451502

申请日：2021-10-20

Applicant: Japan Display Inc.

Inventor： Sho Yanagisawa ,  Tetsuo Morita ,  Kenji Harada ,  Hiroshi Tabatake ,  Hideyuki Takahashi

IPC: H01L27/32 ,  H10K59/122 ,  H10K59/131 ,  H10K59/88

Abstract: According to one embodiment, a display device includes a substrate, first and second insulating layers, first and second pixel electrodes, first and second organic layers, first and second feed lines, first and second partitions, and a common electrode including first and second parts covering the first and second organic layers. The first organic layer is between the partitions. The second feed line and the second partition are located between the organic layers. The partitions are shaped such that a width of an upper part is greater than a width of a lower part. The first part is in contact with the first feed line between the first partition and the first organic layer.

公开(公告)号：US20250048880A1

公开(公告)日：2025-02-06

申请号：US18775347

申请日：2024-07-17

Applicant: Japan Display Inc.

Inventor： Nobuto MANAGAKI

IPC: H10K59/70 ,  H10K59/12 ,  H10K59/35

Abstract: The display device includes at least one pixel having a first sub-pixel, a second sub-pixel, and a third sub-pixel. The first sub-pixel and the second sub-pixel respectively include red-emissive and green-emissive organic electroluminescence elements. The third sub-pixel includes a blue-emissive inorganic electroluminescence element. Each of the organic electroluminescence elements includes an anode, a cathode, and an organic electroluminescence layer between the anode and the cathode. The inorganic electroluminescence element includes an anode, a cathode, and an inorganic electroluminescence layer electrically connected to the anode and the cathode.

公开(公告)号：US12219832B2

公开(公告)日：2025-02-04

申请号：US17656891

申请日：2022-03-29

Applicant: Japan Display Inc.

Inventor： Takumi Sano

IPC: H10K59/131 ,  H10K77/10 ,  H10K102/00

Abstract: According to one embodiment, a flexible substrate includes an insulating base including first and second strip portions, and island-shaped portions, electrical elements, scanning lines each extending while overlapping the first strip portions, signal lines each extending while overlapping the second strip portions, connection wiring lines each extending while overlapping the second strip portions, a scanning line driver, a signal line driver, a support body including a first side edge, and scanning lines are connected to different connection wiring lines on different island-shaped portion, and the scanning line driver and the signal line driver are located on a side of the first side edge.

公开(公告)号：US12219702B2

公开(公告)日：2025-02-04

申请号：US17941761

申请日：2022-09-09

Applicant: Japan Display Inc.

Inventor： Kenichi Takemasa ,  Yasushi Nakano

IPC: H05K1/11

Abstract: A wiring substrate includes a substrate, an insulating film stacked on the substrate, an anode pad stacked on a first surface of the insulating film and electrically coupled to an anode of an inorganic light-emitting diode, a cathode pad stacked on the first surface of the insulating film and electrically coupled to a cathode of the inorganic light-emitting diode, and an auxiliary pad provided to the first surface of the insulating film and having electrical conductivity. The auxiliary pad is disposed in a floating state near an end of the anode pad and the cathode pad.

公开(公告)号：US12218178B2

公开(公告)日：2025-02-04

申请号：US17481371

申请日：2021-09-22

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Hidemasa Yamaguchi

IPC: H01L27/15 ,  H01L33/04 ,  H01L33/06 ,  H01L33/10 ,  H01L33/58 ,  H01L33/62

Abstract: A display device includes a substrate; a plurality of pixels provided on the substrate; and a plurality of inorganic light emitting elements provided on each of the pixels. The inorganic light emitting elements each include a semiconductor substrate having a first face facing the substrate and a second face provided in a convex shape on a side opposite from the first face; and a plurality of semiconductor nanowires provided on the first face, the semiconductor nanowires extending in a direction perpendicular to the first face.

公开(公告)号：US12216373B2

公开(公告)日：2025-02-04

申请号：US18630538

申请日：2024-04-09

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

IPC: G02F1/137 ,  B60K35/00 ,  G02F1/01 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/1347

Abstract: According to one embodiment, a display device includes a display panel configured to modulate a first polarization component, a first viewing angle control panel including a first liquid crystal layer containing twisted liquid crystal molecules, a second viewing angle control panel including a second liquid crystal layer containing twisted liquid crystal molecules, and a polarization axis rotation element provided between the first viewing angle control panel and the display panel. A second polarization axis of a second polarization component which passed through the first viewing angle control panel is different from a first polarization axis of the first polarization component. The polarization axis rotation element is configured to rotate the second polarization axis.

公开(公告)号：US20250035992A1

公开(公告)日：2025-01-30

申请号：US18912125

申请日：2024-10-10

Applicant: Japan Display Inc.

Inventor： Akio OTA

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1362

Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.