公开(公告)号：US20230387319A1

公开(公告)日：2023-11-30

申请号：US18447400

申请日：2023-08-10

Applicant: Japan Display Inc.

Inventor： Yohei YAMAGUCHI ,  Yuichiro HANYU ,  Hiroki HIDAKA

IPC: H01L29/786 ,  H01L21/02 ,  H01L29/423 ,  H01L27/12 ,  H10K59/126

CPC classification number: H01L29/7869 ,  H01L21/02554 ,  H01L21/02266 ,  H01L29/42384 ,  H01L29/78696 ,  H01L27/1251 ,  H01L29/78648 ,  H01L27/124 ,  H01L27/1225 ,  H10K59/126

Abstract: A semiconductor device including a first oxide semiconductor layer, a first gate electrode opposing the first oxide semiconductor layer, a first gate insulating layer between the first oxide semiconductor layer and the first gate electrode, a first insulating layer covering the first oxide semiconductor layer and having a first opening, a first conductive layer above the first insulating layer and in the first opening, the first conductive layer being electrically connected to the first oxide semiconductor layer, and an oxide layer between an upper surface of the first insulating layer and the first conductive layer, wherein the first insulating layer is exposed from the oxide layer in a region not overlapping the first conductive layer in a plan view.

公开(公告)号：US20230384628A1

公开(公告)日：2023-11-30

申请号：US18323475

申请日：2023-05-25

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Shunichi KIMURA

IPC: G02F1/13 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/1323 ,  G02F1/133531 ,  G02F1/134309

Abstract: According to an aspect, an optical element includes: a first polarizing plate having a first absorption axis; a second polarizing plate facing the first polarizing plate and having a second absorption axis; and a first viewing angle control panel placed between the first polarizing plate and the second polarizing plate. The first viewing angle control panel includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of electrodes provided on at least one of the first substrate and the second substrate to generate a transverse electric field in a predetermined direction. The liquid crystal layer includes liquid crystal molecules with a positive dielectric anisotropy. The liquid crystal molecules have hybrid orientation in a state in which the transverse electric field is not generated.

公开(公告)号：US20230378416A1

公开(公告)日：2023-11-23

申请号：US18363745

申请日：2023-08-02

Applicant: Japan Display Inc.

Inventor： Akihiro OGAWA

IPC: H01L33/62 ,  H01L27/12 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L27/1214 ,  H01L25/0753

Abstract: A display device includes a circuit substrate comprising a first electrode pad and an LED chip comprising a first electrode bump that is electrically connected to the first electrode pad, and at least emitting light in a direction of the circuit substrate. The first electrode pad comprises a first light transmission region that transmits light emitted from the LED chip.

公开(公告)号：US20230378195A1

公开(公告)日：2023-11-23

申请号：US18135744

申请日：2023-04-18

Applicant: Japan Display Inc.

Inventor： Takumi SANO

IPC: H01L27/12

CPC classification number: H01L27/1244 ,  H01L27/1218

Abstract: The purpose of the invention is to realize a flexible electronic device of high reliability. The present invention takes a following structure to realize the purpose. An electronic device including: a plurality of element areas, arrayed in a first direction with a first distance, and arrayed in a second direction with a second distance, the plurality of element areas being connected with each other in the first direction by a first organic insulating film, which meanderingly extends in the first direction, graphene being formed on a surface of the first organic insulating film to form a first wiring, the plurality of element areas being connected with each other in the second direction by a second organic insulating film, which meanderingly extends in the second direction, graphene being formed on a surface of the second organic insulating film to form a second wiring.

公开(公告)号：US20230376119A1

公开(公告)日：2023-11-23

申请号：US18198385

申请日：2023-05-17

Applicant: Japan Display Inc.

Inventor： Yuto KAKINOKI

IPC: G06F3/01 ,  G06F3/044 ,  G06F3/041

CPC classification number: G06F3/017 ,  G06F3/0446 ,  G06F3/0412 ,  G06F2203/04101

Abstract: A detecting device includes a sensor unit having a detection region in which a plurality of electrodes are arrayed, and a detector configured to detect a gesture corresponding to movement of an object to be detected in a space on the detection region based on a detected value of each of the electrodes.

公开(公告)号：US20230375886A1

公开(公告)日：2023-11-23

申请号：US18228130

申请日：2023-07-31

Applicant: Japan Display Inc.

Inventor： Yoshihide OHUE

IPC: G02F1/1345 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/1345 ,  G02F1/1334 ,  G02F1/133512 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/134309 ,  G02F1/136286

Abstract: According to an aspect, a display device includes: an array substrate comprising a plurality of pixel electrodes; a counter substrate comprising a common electrode in a position at least overlapping the pixel electrodes; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes, in a display region: a plurality of signal lines arranged in a first direction with spaces between the signal lines; a plurality of scanning lines arranged in a second direction with spaces between the scanning lines; and common potential wiring provided outside the display region. The counter substrate comprises light-blocking coupling wiring that couples the common electrode to a conductive first power feeding portion.

公开(公告)号：US20230375876A1

公开(公告)日：2023-11-23

申请号：US18363826

申请日：2023-08-02

Applicant: Japan Display Inc.

Inventor： Takashi OTA

IPC: G02F1/13357 ,  G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133603 ,  G02F1/133607 ,  G02B6/0073

Abstract: An object of the present invention is to provide a high-definition and high-contrast display apparatus using accurate local dimming. In achieving the object of the invention, there is provided a display apparatus including a display panel and a backlight. The backlight has a light source and an optical sheet. The light source has a light source substrate and LEDs arranged on the light source substrate. The light source is divided into segments in planar view. The segments include at least one LED each. The light source substrate and the LEDs are covered with a transparent resin. The transparent resin is overlaid with a sheet having a honeycomb partition.

公开(公告)号：US20230375776A1

公开(公告)日：2023-11-23

申请号：US18364564

申请日：2023-08-03

Applicant: Japan Display Inc.

Inventor： Hiroaki KIJIMA ,  Shinichi KOMURA ,  Ken ONODA ,  Koichi OKUDA

IPC: F21V8/00

CPC classification number: G02B6/0078 ,  G02B6/0068 ,  G02B6/0088 ,  G02B6/0036 ,  F21V2200/20

Abstract: According to one embodiment, an illumination device includes first and second light guides, first and second light sources, and first and second layers. The first light guide includes first and second main surfaces and first and second side surfaces. The second light guide includes third and fourth main surfaces and third and fourth side surfaces. The first light sources face a second side surface. The second light sources face the third side surface. The first layer includes first prisms in the second main surface. The second layer includes second prisms in the fourth main surface. The second and fourth side surfaces are displaced from each other in a first direction.

公开(公告)号：US20230375775A1

公开(公告)日：2023-11-23

申请号：US18366773

申请日：2023-08-08

Applicant: Japan Display Inc.

Inventor： Makoto HASEGAWA ,  Masafumi OKADA

IPC: F21V8/00

CPC classification number: G02B6/0073 ,  G02B6/0053 ,  G02B6/0036 ,  G02B6/0075

Abstract: A lighting device capable of changing light direction includes: a light guide plate having a first side surface extending in a first direction; and LEDs at the first side surface, in which the light guide plate has a first area extending in a second direction which is a direction perpendicular to the first direction and a second area extending in the second direction and adjacent to the first area, corresponding to the first area, at least one LED is arranged at the first side surface, corresponding to the second area, at least one LED is arranged at the first side surface, a first prism array is formed under a bottom surface of the first area, and a second prism array is formed under a bottom surface of the second area, and a prism height of the second prism array is taller than a prism height of the first prism array.

公开(公告)号：US20230375159A1

公开(公告)日：2023-11-23

申请号：US18231297

申请日：2023-08-08

Applicant: Japan Display Inc.

Inventor： Tae KUROKAWA ,  Takeo KOITO ,  Kojiro IKEDA

IPC: F21V9/40 ,  G02F1/1347 ,  G02F1/1343

CPC classification number: F21V9/40 ,  G02F1/1347 ,  G02F1/13439 ,  G02F1/134309

Abstract: An optical element includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell are stacked. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate on which a first transparent electrode and a second transparent electrode are alternately and repeatedly arranged in a first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode are alternately and repeatedly arranged in a second direction intersecting the first direction, and a liquid crystal layer between the first substrate and the second substrate. The second substrate of the first liquid crystal cell and the first substrate of the second liquid crystal cell are adjacent to each other.