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.

公开(公告)号：US20240021695A1

公开(公告)日：2024-01-18

申请号：US18346280

申请日：2023-07-03

Applicant: Japan Display Inc.

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

IPC: H01L29/49 ,  H01L29/786 ,  H01L29/66 ,  H01L29/40

CPC classification number: H01L29/4908 ,  H01L29/7869 ,  H01L29/66969 ,  H01L29/401 ,  H01L21/425

Abstract: A semiconductor device includes a oxide semiconductor layer provided on an insulating surface and having a channel area, a source area and a drain area sandwiching the channel area, a gate electrode opposite the channel area, and a gate insulating layer provided between the oxide semiconductor layer and the gate electrode, wherein the gate electrode is an oxide conductive layer having the same composition as the oxide semiconductor layer, and the oxide conductive layer includes the same impurity element as the source area and the drain area.

公开(公告)号：US11877100B2

公开(公告)日：2024-01-16

申请号：US18080768

申请日：2022-12-14

Applicant: Japan Display Inc.

Inventor： Tomokazu Ishikawa ,  Hitomi Hasegawa ,  Masaru Nakakomi

IPC: G02F1/1337 ,  H04N9/31 ,  G02F1/1362 ,  G02F1/1333

CPC classification number: H04N9/3141 ,  G02F1/133345 ,  G02F1/133711 ,  G02F1/136286

Abstract: According to one embodiment, a display device including a first substrate including an organic film, a first recess and a second recess formed in the organic film, and a first projection having the organic film, a second substrate, and a sealing member located in a second area around a first area, and bonding the first substrate and the second substrate together, wherein the first substrate includes a mounting portion, the first recess and the second recess extend in the second area, a first leading end portion of the first recess is separated from a second leading end portion of the second recess, and the first projection, the first recess and the second recess overlap the sealing member.

公开(公告)号：US11874566B2

公开(公告)日：2024-01-16

申请号：US17666620

申请日：2022-02-08

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G09G3/36

CPC classification number: G02F1/134309 ,  G02F1/13439 ,  G02F1/133512 ,  G09G3/3614 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2360/144

Abstract: According to one embodiment, an electronic device includes a liquid crystal panel and a camera. The liquid crystal panel includes a display area and an incident light control area. The camera overlaps the incident light control area. The display area includes a pixel electrode. The incident light control area includes a first control electrode which is different in shape from the pixel electrode, a second control electrode, and a common electrode. A voltage applied to the first control electrode and a voltage applied to the second control electrode are different in polarity from a common voltage applied to the common electrode.

公开(公告)号：US20240012302A1

公开(公告)日：2024-01-11

申请号：US18341783

申请日：2023-06-27

Applicant: Japan Display Inc.

Inventor： Masato YOSHIDA ,  Hirofumi OHIRA

IPC: F21V17/00

CPC classification number: F21V17/005 ,  F21V14/003

Abstract: A light adjustment device includes a panel unit including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel including a first substrate, a second substrate, and a plurality of alignment marks provided at at least one of the first substrate and the second substrate.

公开(公告)号：US20240012276A1

公开(公告)日：2024-01-11

申请号：US18347586

申请日：2023-07-06

Applicant: Japan Display Inc.

Inventor： Shunpei TAKEUCHI ,  Kohei YAMAGUCHI ,  Katsuichi IDE ,  Yukiya HIRABAYASHI ,  Osamu KAI ,  Hiroya MORIMOTO ,  Koichi NAGAO

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/1341

CPC classification number: G02F1/133354 ,  G02F1/13394 ,  G02F1/1341 ,  G02F1/133305

Abstract: A light adjustment device includes a panel unit having a rectangular pillar shape and including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel having a polygonal shape and including a lower substrate and an upper substrate overlapping the lower substrate. The light adjustment panels each have a first side, a second side adjacent to the first side, and a first corner at which the first side intersects the second side, and when two light adjustment panels adjacent to each other in a first direction among the light adjustment panels are viewed in the first direction, the first corner of one of the light adjustment panels is positioned inside of an edge of the other light adjustment panel, and the first corner of the other light adjustment panel is positioned inside of an edge of the one light adjustment panel.