公开(公告)号：US11726624B2

公开(公告)日：2023-08-15

申请号：US17563230

申请日：2021-12-28

Applicant: Japan Display Inc.

Inventor： Masahiro Teramoto

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0446 ,  G06F3/0412 ,  G06F3/0443 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: A touchscreen includes a plurality of X electrodes extending in a first direction and arranged in parallel in a second direction, a plurality of Y electrodes extending in the second direction so as to intersect the X electrodes and arranged in parallel in the first direction, and pedestal layers formed at respective intersections between the plurality of X electrodes and the plurality of Y electrodes, wherein an intersection portion of each Y electrode is formed under the pedestal layer, wherein a part of an intersection portion of each X electrode is formed on the pedestal layer and both ends thereof are electrically connected to adjacent electrode portions of the X electrodes, and wherein a profile of a portion of the pedestal layer intersecting the intersection portion of the X electrode has a nonlinear shape when viewed from a direction perpendicular to the substrate.

公开(公告)号：US11726592B2

公开(公告)日：2023-08-15

申请号：US17410106

申请日：2021-08-24

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Koji Ishizaki

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0443 ,  G06F3/0445 ,  G06F3/0446 ,  G06F2203/04112

Abstract: A sensor-equipped display device is provided and includes a display panel and a detection electrode. The panel includes a display area in which pixels are arranged with a first pixel pitch in a first direction and a second pixel pitch in a second direction. The electrode includes an pattern having line fragments. The pattern has connection points at which ends of the fragments are connected to each other, and at least part of the connection points is arranged linearly such that an arrangement gaps thereof in the first and second direction is set to a first and second connection point pitch.

公开(公告)号：US20230255063A1

公开(公告)日：2023-08-10

申请号：US18164615

申请日：2023-02-06

Applicant: Japan Display Inc.

Inventor： Kaichi FUKUDA ,  Yuko MATSUMOTO

IPC: H10K59/122 ,  H10K59/80 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/873 ,  H10K59/1201

Abstract: According to one embodiment, a display device includes a lower electrode, a rib including an aperture, a partition on the rib, an upper electrode in contact with the partition, an organic layer between the lower electrode and the upper electrode, and a sealing layer on the upper electrode. The partition includes a lower portion provided on the rib, and an upper portion provided on the lower portion and including an end portion protruding from a side surface of the lower portion. The upper portion is formed of a material which has translucency and which is different from a material of the sealing layer.

公开(公告)号：US11721765B2

公开(公告)日：2023-08-08

申请号：US17499908

申请日：2021-10-13

Applicant: Japan Display Inc.

Inventor： Hajime Watakabe ,  Tomoyuki Ito ,  Toshihide Jinnai ,  Isao Suzumura ,  Akihiro Hanada ,  Ryo Onodera

IPC: H01L21/00 ,  H01L29/786 ,  H01L27/12 ,  H01L29/24 ,  H01L29/423 ,  H01L29/49 ,  H01L21/02 ,  H01L21/426 ,  H01L21/4757 ,  H01L21/4763 ,  H01L29/66 ,  G02F1/1368

CPC classification number: H01L29/78627 ,  H01L21/02178 ,  H01L21/02565 ,  H01L21/426 ,  H01L21/47573 ,  H01L21/47635 ,  H01L27/124 ,  H01L27/127 ,  H01L27/1225 ,  H01L27/1251 ,  H01L29/24 ,  H01L29/42384 ,  H01L29/4908 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78633 ,  H01L29/78675 ,  G02F1/1368 ,  H01L2029/42388

Abstract: A semiconductor device includes thin film transistors each having an oxide semiconductor. The oxide semiconductor has a channel region, a drain region, a source region, and low concentration regions which are lower in impurity concentration than the drain region and the source region. The low concentration regions are located between the channel region and the drain region, and between the channel region and the source region. Each of the thin film transistors has a gate insulating film on the channel region and the low concentration regions, an aluminum oxide film on a first part of the gate insulating film, the first part being located on the channel region, and a gate electrode on the aluminum oxide film and a second part of the gate insulating film, the second part being located on the low concentration regions.

公开(公告)号：US20230244109A1

公开(公告)日：2023-08-03

申请号：US18132016

申请日：2023-04-07

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Kojiro IKEDA ,  Tae KUROKAWA

IPC: G02F1/1339 ,  G02F1/1343

CPC classification number: G02F1/13394 ,  G02F1/134309 ,  G02F1/13398

Abstract: According to an aspect, an optical element includes: a first substrate including a first electrode; a second substrate stacked on the first substrate and including a second electrode; a liquid crystal layer provided between the first substrate and the second substrate; a sealing member extending along an outer periphery of the liquid crystal layer; a first spacer provided on an inner side of the sealing member; and a conductive column provided on an outer side of the sealing member and electrically connecting the first electrode and the second electrode. The conductive column and the first spacer include the same material.

公开(公告)号：US20230244098A1

公开(公告)日：2023-08-03

申请号：US18131906

申请日：2023-04-07

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Masanobu IKEDA ,  Hayato KURASAWA ,  Yoshihiro WATANABE

IPC: G02F1/1333 ,  G09G3/36 ,  G06F3/044

CPC classification number: G02F1/13338 ,  G09G3/3648 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/044 ,  G09G2300/0426 ,  G09G2310/0232 ,  G09G2310/08 ,  G09G2330/06

Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, lead wirings provided on the first substrate or the second substrate and a first insulator part provided on an upper surface of the second substrate. The lead wirings are arranged in a peripheral region when seen in a plan view and the first insulator part is arranged so as to overlap a display region when seen in a plan view. Second insulator parts or spaces with a permittivity lower than a permittivity of the first insulator part are provided at sides of the first insulator part. The second insulator parts or the spaces are arranged so as to overlap the lead wirings in the peripheral region when seen in a plan view.

公开(公告)号：US11714311B2

公开(公告)日：2023-08-01

申请号：US18073888

申请日：2022-12-02

Applicant: Japan Display Inc.

Inventor： Yudai Numata

IPC: G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/133507 ,  G02F1/13338 ,  G02F1/133526

Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a first transparent substrate having a first main surface, a first opposite and a side surface, a second substrate including a second transparent substrate having a second main surface and a second opposite surface, and a liquid crystal layer located between the first substrate and the second substrate, a light emitting element opposed to the side surface, a third transparent substrate, and a transparent layer located between the display panel and the third transparent substrate and having a second refractive index that is lower than a first refractive index.

公开(公告)号：US11714225B2

公开(公告)日：2023-08-01

申请号：US17568086

申请日：2022-01-04

Applicant: Japan Display Inc.

Inventor： Kouji Fujisawa ,  Masahiko Kurihara ,  Takashi Ota

IPC: F21V8/00

CPC classification number: G02B6/0066

Abstract: According to an aspect, an illumination device includes: a plurality of light-emitting elements arrayed in a matrix along two directions; and a substrate on which the light-emitting elements are provided. The substrate has a plurality of partial regions. The light-emitting elements are arranged in the partial regions such that four light-emitting elements are arrayed in a two-by-two matrix along the two directions in each of the partial regions. Two light-emitting elements adjacent to each other in each of the partial regions are arranged at a first interval in one direction of the two directions. Two light-emitting elements adjacent to each other with a boundary of two partial regions adjacent to each other along the one direction interposed therebetween are arranged at a second interval in the one direction. The first interval is shorter than the second interval.

公开(公告)号：US20230239441A1

公开(公告)日：2023-07-27

申请号：US18097528

申请日：2023-01-17

Applicant: Japan Display Inc.

Inventor： Kenichi TAKEMASA

IPC: H04N9/31 ,  G02B5/08

CPC classification number: H04N9/3141 ,  G02B5/08 ,  G03B21/62

Abstract: Used is a display device having: a support; first and second image light source units mounted on the support; a first half mirror mounted on the support and having a first reflecting surface inclined with respect to an emitting direction of light of the first image light source unit; and a second half mirror mounted on the support and having a second reflecting surface inclined with respect to an emitting direction of light of the second image light source unit. The light emitted from the first image light source unit is reflected by the first reflecting surface and irradiated in a first direction, and the light emitted from the second image light source unit is reflected by the second reflecting surface and irradiated in a second direction different from the first direction. The same image or a different image can be simultaneously displayed at the first and second display regions.

公开(公告)号：US20230236463A1

公开(公告)日：2023-07-27

申请号：US18127035

申请日：2023-03-28

Applicant: Japan Display Inc.

Inventor： Yasushi TOMIOKA ,  Toshimasa Ishigaki ,  Hidehiro Sonoda ,  Sumito Ueta

IPC: G02F1/1362 ,  G02F1/1337 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1368

CPC classification number: G02F1/136227 ,  G02F1/1337 ,  G02F1/1368 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133707 ,  G02F1/133357 ,  G02F2201/121 ,  G02F2201/123

Abstract: A liquid crystal display device comprising a TFT substrate having pixels each including a common electrode formed on an organic passivation film, an interlayer insulating film formed so as to cover the common electrode, a pixel electrode having a slit and formed on the interlayer insulating film, a through-hole formed in the organic passivation film and the interlayer insulating film, and a source electrode electrically conducted to the pixel electrode via the through-hole. A taper angle at a depth of D/2 of the through-hole is equal to or more than 50 degrees. The pixel electrode covers part of a side wall of the through-hole but does not cover the remaining part of the side wall of the through-hole. This configuration facilitates the alignment film material to flow into the through-hole, thereby solving a thickness unevenness of the alignment film in vicinity of the through-hole.