公开(公告)号：US20250022865A1

公开(公告)日：2025-01-16

申请号：US18896908

申请日：2024-09-26

Applicant: Japan Display Inc.

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

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/00 ,  H01L33/58 ,  H01L33/62

Abstract: A display device includes a substrate provided on a driving circuit, an adhesive layer covering the substrate, a first LED chip provided on the adhesive layer, a pixel circuit provided on the adhesive layer, separated from the first LED chip, a light shielding layer provided on the adhesive layer, and a first opening of the same shape as that of the first LED chip when viewed in a plan view and a second opening of the same shape as that of the pixel circuit when viewed in a plan view, an insulating layer covering the driving circuit and the pixel circuit, and a first wiring provided on the insulating layer, connected to the first LED chip and the pixel circuit, wherein the first wiring overlaps the light shielding layer.

公开(公告)号：US12196410B2

公开(公告)日：2025-01-14

申请号：US18244545

申请日：2023-09-11

Applicant: Japan Display Inc.

Inventor： Masafumi Okada ,  Makoto Hasegawa ,  Nobuyuki Suzuki

IPC: F21V5/02 ,  F21V7/00 ,  F21V8/00 ,  F21Y115/10

Abstract: Disclosed is a lighting device including a light guide plate, a plurality of LEDs, a prism sheet disposed on a side toward the upper surface of the light guide plate, and a reflective sheet disposed on a side toward the lower surface of the light guide plate. The plurality of LEDs are arrayed on a side surface corresponding to a first side of the light guide plate in a first direction along the first side. The prism sheet includes a first prism array that is formed on a surface facing the light guide plate. The first prism array includes prisms that are extended in the first direction and arrayed in a second direction perpendicular to the first direction. The upper surface of the light guide plate and the prism sheet sandwich a diffusion sheet therebetween. The diffusion sheet has a haze value between 30% and 65% when measured in compliance with JIS K7361. The prisms on the first prism array have an apex angle between 55 degrees and 66 degrees.

公开(公告)号：US20250016925A1

公开(公告)日：2025-01-09

申请号：US18757082

申请日：2024-06-27

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO

IPC: H05K1/14 ,  G01L1/22 ,  H05K1/02

Abstract: According to an aspect, a stretchable device includes a first stretchable resin, a resin base member, an array layer, and a second stretchable resin stacked in the order as listed. The resin base member includes: a plurality of bodies; and a plurality of hinges that couple the bodies. The array layer includes: a plurality of thin-film transistors disposed at the bodies; and a plurality of strain gauges disposed at the hinges. The strain gauges each include a semiconductor strain gauge made of semiconductor material at a part in a longitudinal direction. An impurity concentration of the semiconductor strain gauge is higher than an impurity concentration of the thin-film transistor.

公开(公告)号：US20250015196A1

公开(公告)日：2025-01-09

申请号：US18889394

申请日：2024-09-19

Applicant: Japan Display Inc. ,  IDEMITSU KOSAN CO., LTD.

Inventor： Hajime WATAKABE ,  Masashi TSUBUKU ,  Toshinari SASAKI ,  Takaya TAMARU ,  Emi KAWASHIMA ,  Yuki TSURUMA ,  Daichi SASAKI

IPC: H01L29/786 ,  H01L29/66

Abstract: A thin film transistor includes a metal oxide layer over the substrate, an oxide semiconductor layer having crystallinity in contact with the metal oxide layer, a gate electrode overlapping the oxide semiconductor layer, and an insulating layer between the oxide semiconductor layer and the gate electrode. The oxide semiconductor layer includes a plurality of crystal grains. Each of the plurality of crystal grains includes at least one of a crystal orientation , a crystal orientation , and a crystal orientation obtained by an EBSD method. In occupancy rates of crystal orientations calculated based on measurement points having crystal orientations with a crystal orientation difference greater than or equal to 0 degrees and less than or equal to 15 degrees with respect to a normal direction of a surface of the substrate, an occupancy rate of the crystal orientation is less than or equal to 5%.

公开(公告)号：US20250015189A1

公开(公告)日：2025-01-09

申请号：US18894346

申请日：2024-09-24

Applicant: Japan Display Inc.

Inventor： Hajime WATAKABE ,  Masashi TSUBUKU ,  Toshinari SASAKI ,  Takaya TAMARU

IPC: H01L29/786 ,  G02F1/1368 ,  H01L29/66 ,  H10K59/121

Abstract: A semiconductor device includes a metal oxide layer over an insulating surface, an oxide semiconductor layer over the metal oxide layer, and an insulating layer over the oxide semiconductor. The insulating layer includes a first region overlapping the oxide semiconductor layer. A first aluminum concentration of the first region is greater than or equal to 1×1017 atoms/cm3.

公开(公告)号：US20250013102A1

公开(公告)日：2025-01-09

申请号：US18760488

申请日：2024-07-01

Applicant: Japan Display Inc.

Inventor： Ayaka HIGUCHI ,  Shinichiro OKA ,  Koichi IGETA ,  Junji KOBASHI

IPC: G02F1/1337 ,  G02F1/13363

Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate having a first main surface, an alignment control layer having a plurality of convex bodies, and a liquid crystal layer having a cholesteric liquid crystal. The alignment control layer has a first alignment area in which the convex bodies are arranged at a first pitch, and a second alignment area in which the convex bodies are arranged at a second pitch. The second pitch is less than the first pitch. The liquid crystal layer has a first liquid crystal area which overlaps the first alignment area, and a second liquid crystal area which overlaps the second alignment area.

公开(公告)号：US20250010602A1

公开(公告)日：2025-01-09

申请号：US18758438

申请日：2024-06-28

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO

IPC: B32B37/12 ,  B32B7/12 ,  B32B27/08 ,  B32B37/24

Abstract: According to an aspect, a method for manufacturing a stretchable device includes: preparing a glass plate provided with an inorganic film; forming a resin base member on the inorganic film; forming an array layer on the resin base member; and bonding a stretchable resin to the array layer. The bonding the stretchable resin includes arranging part of the stretchable resin in a through hole that passes through the resin base member and the array layer and bonding the part of the stretchable resin to the inorganic film. The inorganic film has a formation surface on which the resin base member is formed. The formation surface has a recess recessed toward the glass plate.

公开(公告)号：US12193278B2

公开(公告)日：2025-01-07

申请号：US18399954

申请日：2023-12-29

Applicant: Japan Display Inc.

Inventor： Hiroshi Tabatake

IPC: H10K59/122 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/80

Abstract: According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.

公开(公告)号：US12191316B2

公开(公告)日：2025-01-07

申请号：US18439855

申请日：2024-02-13

Applicant: Japan Display Inc.

Inventor： Tatsuya Toda ,  Toshinari Sasaki ,  Masayoshi Fuchi

IPC: H01L27/12 ,  G02F1/1362 ,  G02F1/1368 ,  G09G3/3225 ,  G09G3/3266 ,  H10K59/12 ,  H10K59/123 ,  H10K59/124 ,  H10K59/131

Abstract: A semiconductor device including: a first gate electrode; a first gate insulating layer on the first gate electrode; a first oxide semiconductor layer on the first insulating layer; source and drain electrodes connected to the first oxide semiconductor layer; a second gate insulating layer on the first oxide semiconductor layer; a second oxide semiconductor layer on the second gate insulating layer; a second gate electrode on the second oxide semiconductor layer, the second gate electrode being in contact with the second oxide semiconductor layer; a first insulating layer on the second gate electrode, the first insulating layer having a part of a first aperture overlapping with the second oxide semiconductor layer in a planar view; and a first connecting electrode electrically connecting the first gate electrode and the second gate electrode via the first aperture.

公开(公告)号：US12189247B2

公开(公告)日：2025-01-07

申请号：US18346308

申请日：2023-07-03

Applicant: Japan Display Inc.

Inventor： Yosuke Hyodo

IPC: G02F1/1347 ,  G02F1/1339 ,  G02F1/1368

Abstract: An LCD includes a first LC panel with a first TFT substrate and a first counter substrate adhered together with a first sealing layer, first and second polarizers bonded to lower and upper surfaces of the first LC panel, a second LC panel with a second TFT substrate and a second counter substrate adhered together with a second sealing layer, and third and fourth polarizers bonded to lower and upper surfaces of the second LC panel. The first and second LC panels are arranged overlapping each other. The second counter substrate and the first TFT substrate are adhered together at their peripheral portions with a third sealing layer. The first and fourth polarizers are arranged on an inner side of the third sealing layer. The first and fourth polarizers are adhered together with an adhesive layer, or a high refractive oil exists between the first and fourth polarizers.