公开(公告)号：US20240045533A1

公开(公告)日：2024-02-08

申请号：US18481280

申请日：2023-10-05

Applicant: Japan Display Inc.

Inventor： Mitsuhide MIYAMOTO ,  Hajime AKIMOTO

IPC: G06F3/041 ,  G09G3/3225 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G09G3/3225 ,  G06F3/0446 ,  G06F3/0443 ,  G06F2203/04112 ,  G06F2203/04111 ,  G09G2354/00 ,  H10K59/40

Abstract: The first and second touch electrodes constitute a mesh shape of staying away from overlap with the light-emitting pixels. Each electrode body has a first slim portion between adjacent light-emitting pixels in the first direction. Each electrode body has a first wide portion between adjacent light-emitting pixels in the second direction. The first wide portion is wider than the first slim portion. The jumper electrode has a second slim portion between adjacent light-emitting pixels in the first direction. The jumper electrode has a second wide portion between adjacent light-emitting pixels in the second direction. The second wide portion is wider than the second slim portion. The light-emitting pixels each have a planar shape longer in the second direction than in the first direction. The first and second wide portions are overlapped and electrically conductive, penetrating the insulation film.

公开(公告)号：US20240045273A1

公开(公告)日：2024-02-08

申请号：US18363134

申请日：2023-08-01

Applicant: Japan Display Inc.

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

IPC: G02F1/1337 ,  G02F1/1347 ,  H01L31/054

CPC classification number: G02F1/133788 ,  G02F1/133726 ,  G02F1/13478 ,  H01L31/054

Abstract: According to one embodiment, a liquid crystal optical element includes a substrate, a first alignment control layer disposed on the substrate and comprising projections arranged at a predetermined pitch, and a first liquid crystal layer disposed on the first alignment control layer. The first liquid crystal layer comprises liquid crystal molecules which are aligned such that major axes of the liquid crystal molecules extend along the projections, respectively, and cured in a state where alignment directions of the liquid crystal molecules are fixed. The first alignment control layer is formed of a crosslinkable liquid crystal polymer.

公开(公告)号：US11895886B2

公开(公告)日：2024-02-06

申请号：US17847369

申请日：2022-06-23

Applicant: Japan Display Inc.

Inventor： Masato Ito ,  Heisuke Kanaya

IPC: H10K59/131 ,  G09G3/3266 ,  H10K50/842 ,  H10K59/121 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3266 ,  H10K50/8426 ,  H10K59/121 ,  H10K2102/00

Abstract: A display device according to an embodiment of the present invention has a first substrate, a display region provided with a plurality of pixels on the first substrate, each of the plurality of pixels including a light-emitting element, a driving circuit provided along a first direction of the display region on the first substrate, a sealing film covering the display region, and stacking a first inorganic insulating layer, an organic insulating layer, and a second inorganic insulating layer in order from the light-emitting element, a second substrate on the sealing film, a through hole provided in the first substrate, the display region, and the second substrate; and a first region surrounding the through hole.

公开(公告)号：US11893195B2

公开(公告)日：2024-02-06

申请号：US17954636

申请日：2022-09-28

Applicant: Japan Display Inc.

Inventor： Fumihoru Nakano ,  Hiroshi Yamaguchi

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0412 ,  G06F3/0445 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: A detection device includes a shield layer provided with a shield electrode and a shield electrode connection wiring connected to the shield electrode, and a sensor layer located over the shield layer and provided with a sensor electrode and a sensor electrode connection wiring connected to the sensor electrode. The shield electrode has the same planar pattern as the sensor electrode and overlaps the sensor electrode. The shield electrode connection wiring has the same planar pattern as the sensor electrode connection wiring and overlaps the sensor electrode connection wiring.

公开(公告)号：US20240040818A1

公开(公告)日：2024-02-01

申请号：US18357232

申请日：2023-07-24

Applicant: Japan Display Inc.

Inventor： Takahiro USHIKUBO ,  Hayata AOKI ,  Jun NITTA ,  Hiroumi KINJO

IPC: H10K50/19 ,  H10K59/122 ,  H10K71/00 ,  H10K50/15 ,  H10K50/18 ,  H10K50/17

CPC classification number: H10K50/19 ,  H10K59/122 ,  H10K71/00 ,  H10K50/156 ,  H10K50/181 ,  H10K50/171

Abstract: To provide a display device, in which deterioration in characteristics is small even when some of layers are exposed to a solvent or an atmosphere when photolithography is performed, and a method for manufacturing the display device. The display device having a pixel including a plurality of sub-pixels includes: a substrate; a lower electrode provided on an upper side of the substrate; an organic EL layer provided on the lower electrode and including an emission layer configured to emit a different color for each sub-pixel; and an upper electrode disposed on an upper side of the organic EL layer. An exposure protection layer having transparency and conductivity provided for each sub-pixel is formed between the organic EL layer and the upper electrode. No emission layer is formed between the exposure protection layer and the upper electrode.

公开(公告)号：US20240038768A1

公开(公告)日：2024-02-01

申请号：US18487263

申请日：2023-10-16

Applicant: Japan Display Inc.

Inventor： Akihiro HANADA ,  Toshihide JINNAI

IPC: H01L27/12 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L27/1229 ,  H01L27/1225 ,  H01L29/66969 ,  H01L29/7869

Abstract: An object of the present invention is to provide a technology using which, in a thin film transistor using oxide semiconductor, the resistance of a channel region of the oxide semiconductor is made high, and at the same time the resistances of a source region and a drain region of the oxide semiconductor are made low. There is provided a semiconductor device including: a thin film transistor including oxide semiconductor, the oxide semiconductor including a channel region, a drain region, and a source region; a gate insulating film formed on the channel region; an aluminum oxide film formed on the gate insulating film; and a gate electrode formed on the aluminum oxide film, wherein the aluminum oxide film has a region that covers neither the drain region nor the source region in a plane view.

公开(公告)号：US20240036430A1

公开(公告)日：2024-02-01

申请号：US18362091

申请日：2023-07-31

Applicant: Japan Display Inc.

Inventor： Hiroumi KINJO ,  Koichi IGETA ,  Shinichiro OKA

IPC: G02F1/137 ,  G02F1/1337 ,  G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/13718 ,  G02F1/133761 ,  G02F1/133788 ,  G02F1/133757 ,  G02F1/133365 ,  G02F1/133536

Abstract: According to one embodiment, a method of manufacturing a liquid crystal element, includes forming an alignment layer on a support, forming a cholesteric liquid crystal layer containing a plasticizer and having elasticity on the alignment layer, adhering a flexible substrate to the cholesteric liquid crystal layer via a first adhesive layer, peeling the cholesteric liquid crystal layer adhered to the flexible substrate, off from the support and the alignment layer, adhering the cholesteric liquid crystal layer to a rigid substrate via a second adhesive layer and removing the flexible substrate and the first adhesive layer.

公开(公告)号：US11886081B2

公开(公告)日：2024-01-30

申请号：US18182378

申请日：2023-03-13

Applicant: Japan Display Inc.

Inventor： Junko Nagasawa ,  Hiroya Morimoto ,  Yuji Maede

IPC: G02F1/1339 ,  G02F1/1343 ,  G02F1/1347 ,  G02F1/1337

CPC classification number: G02F1/13394 ,  G02F1/1337 ,  G02F1/1347 ,  G02F1/13439 ,  G02F1/134327 ,  G02F1/134336

Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell bonded to the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a second substrate, a liquid crystal layer, a sealant bonding the first substrate and the second substrate together, one or more first spacers disposed inside the sealant and holding the gap, and a plurality of second spacers disposed in an effective area surrounded by the sealant and holding the gap.

公开(公告)号：US11885478B2

公开(公告)日：2024-01-30

申请号：US17939408

申请日：2022-09-07

Applicant: Japan Display Inc.

Inventor： Makoto Hasegawa ,  Nobuyuki Suzuki ,  Ken Kagabu

IPC: F21V14/00 ,  F21V7/06 ,  G02F1/1337 ,  G02F1/1343 ,  F21V31/04 ,  G02F1/137 ,  F21V7/00 ,  F21V29/76 ,  F21Y115/10

CPC classification number: F21V14/003 ,  F21V7/0033 ,  F21V7/06 ,  F21V29/763 ,  F21V31/04 ,  G02F1/137 ,  G02F1/133738 ,  G02F1/133742 ,  G02F1/134309 ,  F21Y2115/10 ,  G02F2201/122

Abstract: The purpose of the present invention is to realize a lighting device of thin, low power consumption and small light distribution angle. The present invention takes the following structure to realize the above task:
A lighting device having an emitting surface and a bottom opposing to the emitting surface including:



a resin, set between the emitting surface and the bottom, having a hole at a center,
a reflection block set in the hole at a side of the emitting surface,
an LED, which is a light source, set in the hole at a side of the bottom,
a space between the LED and the reflection block,
in which the resin is contained in a container whose inner surface is a reflecting surface.

公开(公告)号：US20240027831A1

公开(公告)日：2024-01-25

申请号：US18353941

申请日：2023-07-18

Applicant: Japan Display Inc.

Inventor： Chikyu NAKAOKA

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133607 ,  G02F1/133504 ,  G02F1/133603

Abstract: According to one embodiment, in the display device, on the substrate opposed the liquid crystal panel, an element is formed by grooves having steps in a minute and periodic pattern, and the element separates the backlight from the light source unit into light of different color wavelengths and diffract them toward the corresponding color subpixels of the liquid crystal panel. In the light source unit, the first lens shapes the incident light from the light source according to the shape of the display surface of the panel, and the second lens irradiates the light incident surface of the substrate with the light shaped by the first lens as the backlight.