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.

公开(公告)号：US11870211B2

公开(公告)日：2024-01-09

申请号：US17657379

申请日：2022-03-31

Applicant: Japan Display Inc.

Inventor： Shinichi Komura ,  Koichi Okuda ,  Ken Onoda ,  Hiroaki Kijima

IPC: H01S5/00 ,  F21V8/00 ,  H01S5/40

CPC classification number: H01S5/0071 ,  G02B6/002 ,  G02B6/0031 ,  G02B6/0068 ,  H01S5/4093

Abstract: According to one embodiment, an illumination device includes a light guide having a first plane, a second plane, a side plane, a first tilted plane, and a second tilted plane, an angle formed between the side plane and the first tilted plane and an angle formed between the side plane and the second tilted plane being acute angles, a first semiconductor laser element including a first light emitting part, and a second semiconductor laser element including a second light emitting part. The first light emitting part is opposed to a first intersection part of the side plane and the first tilted plane, and the second light emitting part is opposed to a second intersection part of the side plane and the second tilted plane.

公开(公告)号：US11869421B2

公开(公告)日：2024-01-09

申请号：US17656265

申请日：2022-03-24

Applicant: Japan Display Inc.

Inventor： Hiroshi Tabatake ,  Tetsuo Morita

IPC: G09G3/3225 ,  H10K59/131 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/325 ,  G09G3/3208

CPC classification number: G09G3/3225 ,  H10K59/1315 ,  G09G3/325 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2310/061 ,  G09G2330/02

Abstract: According to one embodiment, a display device includes a base, a plurality of pixels, a power supply line and a power supply line drive circuit. The pixels each include a pixel circuit, a display element including a lower electrode, an upper electrode and an organic layer including a light-emitting layer. The upper electrode is connected to the power supply line that provides a predetermined potential to the upper electrode. The power supply line drive circuit supplies, to the power supply line, a first potential to the upper electrode during a light-emitting period and supplies, to the power supply line, a second potential to the upper electrode during a non-light-emitting period.

公开(公告)号：US11867992B2

公开(公告)日：2024-01-09

申请号：US17992455

申请日：2022-11-22

Applicant: Japan Display Inc.

Inventor： Takuya Nishimoto

IPC: G02F1/1333

CPC classification number: G02F1/13332 ,  G02F1/133317 ,  G02F1/133391

Abstract: According to an aspect, a display device includes: a front surface panel; a plurality of display units disposed at different positions on a back of the front surface panel; and a main frame supporting side parts of a first display unit and a second display unit adjacent to each other among the plurality of display units, and fixed to a back surface of the front surface panel.

公开(公告)号：US11864414B2

公开(公告)日：2024-01-02

申请号：US17304489

申请日：2021-06-22

Applicant: Japan Display Inc.

Inventor： Sadafumi Hirai

IPC: H10K50/844 ,  H10K50/842 ,  H10K59/40

CPC classification number: H10K50/8445 ,  H10K50/8428 ,  H10K59/40

Abstract: The display device includes a substrate, a transistor, a leveling film, a display element, a partition wall, and at least one dam. The substrate has a display region and a peripheral region surrounding the display region. The transistor is located over the display region. The leveling film is located over the display region and covers the transistor. The display element is located over the leveling film and includes a pixel electrode electrically connected to the transistor. The partition wall covers an edge portion of the pixel electrode. The at least one dam is located over the peripheral region, is spaced away from the leveling film, and surrounds the display region. The at least one dam has a base and stopper. The base includes a material included in at least one of the leveling film and the partition wall.

公开(公告)号：US11861120B2

公开(公告)日：2024-01-02

申请号：US17579719

申请日：2022-01-20

Applicant: Japan Display Inc.

Inventor： Toshinori Uehara

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0416

Abstract: A detecting device includes a plurality of drive electrodes arrayed in a first direction, a plurality of detection electrodes arrayed in a second direction intersecting the first direction, a drive signal supply circuit configured to supply a drive signal to the drive electrodes, and a plurality of switch elements configured to switch between coupling and decoupling between the drive electrodes.