公开(公告)号：US11940688B1

公开(公告)日：2024-03-26

申请号：US18479850

申请日：2023-10-03

Applicant: Japan Display Inc.

Inventor： Shuichi Osawa

IPC: G02F1/1335

CPC classification number: G02F1/133514 ,  G02F1/133504 ,  G02F1/133512

Abstract: A display device includes a display panel including a pixel and a drive circuit configured to drive the pixel, a light source device configured to emit emitted light toward the display panel, and a color separation element placed between the display panel and the light source device, the color separation element being configured to disperse the emitted light and to emit, to the pixel, a plurality of rays of separated light with wavelengths different from each other. The color separation element includes a separation region configured to emit the separated light and a light-shielding region configured to block the emitted light heading toward the drive circuit.

公开(公告)号：US11709388B2

公开(公告)日：2023-07-25

申请号：US17824958

申请日：2022-05-26

Applicant: Japan Display Inc.

Inventor： Yoichi Kamijo ,  Yoshikatsu Imazeki ,  Shuichi Osawa ,  Yoshihiro Watanabe ,  Koichi Miyasaka

IPC: G02F1/1334 ,  G02F1/1345 ,  G02F1/1333

CPC classification number: G02F1/1334 ,  G02F1/1345 ,  G02F1/133388

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.

公开(公告)号：US11692674B2

公开(公告)日：2023-07-04

申请号：US17949282

申请日：2022-09-21

Applicant: Japan Display Inc.

Inventor： Yoshifumi Kamei ,  Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Koichi Miyasaka ,  Shuichi Osawa

IPC: F21K2/08

CPC classification number: F21K2/08

Abstract: Disclosed is a light-emitting element including a first electrode, a first light-emitting layer, an ionic-liquid layer, a second light-emitting layer, and a second electrode. The first light-emitting layer is located over the first electrode and includes a first emissive polymer and an ionic liquid. The ionic-liquid layer is located over the first light-emitting layer and includes an ionic liquid. The second light-emitting layer is located over the ionic-liquid layer and includes a second emissive polymer and an ionic liquid. The second electrode is located over the second light-emitting layer. The light-emitting element may further include a first substrate under the first electrode, a second substrate over the second electrode, and a sealing layer located between the first substrate and the second substrate and surrounding the first electrode.

公开(公告)号：US10381565B2

公开(公告)日：2019-08-13

申请号：US15660329

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Yoichi Kamijo ,  Shuichi Osawa ,  Yoshihiro Watanabe ,  Yoshikatsu Imazeki

IPC: G02F1/1333 ,  H01L51/00 ,  H01L51/50 ,  G02F1/1345 ,  H01L51/52 ,  H01L27/32 ,  H01L51/05

Abstract: According to one embodiment, a display device includes first to third substrates, a display function layer and a first connecting structure. The first substrate includes a first basement and a first conductive layer. The second substrate includes a second basement. The third substrate includes a third basement. The first connecting structure includes a first contact hole which penetrates at least the second basement and a first connecting material which electrically connects the first conductive layer and the second conductive layer to each other via the first contact hole, and electrically connects the first conductive layer and the second conductive layer to each other.

公开(公告)号：US10268299B2

公开(公告)日：2019-04-23

申请号：US15660317

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Yoshihiro Watanabe ,  Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Shuichi Osawa

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1345

Abstract: According to one embodiment, an electronic device includes a first substrate, a second substrate and a connecting material. The first substrate includes a first basement and a first conductive layer. The second substrate includes a second basement having a first hole a second conductive layer having a second hole. The first surface of the second basement opposes the first conductive layer and is spaced therefrom. The second surface opposite to the first surface includes a first flat portion exposed from the second conductive layer. The connecting material is filled into the first hole electrically connect the first conductive layer and the second conductive layer to each other.

公开(公告)号：US10126616B2

公开(公告)日：2018-11-13

申请号：US15662899

申请日：2017-07-28

Applicant: Japan Display Inc.

Inventor： Yoshihiro Watanabe ,  Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Shuichi Osawa

IPC: H01L27/32 ,  G02F1/1362 ,  B32B7/12 ,  H01L21/02 ,  H01L21/28 ,  H01L21/50 ,  G02F1/1339 ,  H01L21/60 ,  G02F1/1333

Abstract: According to one embodiment, an electronic device includes a first substrate including a first basement and a first conductive layer, a second substrate including a second basement opposed to the first basement and the first conductive layer, and a second conductive layer, a sealing material located between the first substrate and the second substrate to bond the first substrate to the second substrate, a contact hole penetrating the second basement, the sealing material and the first conductive layer, and a connecting material electrically connecting the first conductive layer with the second conductive layer via the contact hole.

公开(公告)号：US10091877B2

公开(公告)日：2018-10-02

申请号：US15661862

申请日：2017-07-27

Applicant: Japan Display Inc.

Inventor： Yoichi Kamijo ,  Shuichi Osawa ,  Yoshihiro Watanabe ,  Yoshikatsu Imazeki

IPC: H05K1/11 ,  H05K1/14 ,  G02F1/1345 ,  G02F1/133 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, and a connecting material. The first substrate includes a first basement and a first conductive layer. The second substrate includes a second basement and a second conductive layer. The first main surface is opposed to the first conductive layer and is spaced apart from one conductive layer. The second conductive layer provided on the second main surface has a first elongated protrusion. The connecting material comes into contact with the first elongated protrusion and the first conductive layer. The first elongated protrusion is disposed around the hole and surrounds the hole.

公开(公告)号：US12197086B2

公开(公告)日：2025-01-14

申请号：US18545539

申请日：2023-12-19

Applicant: Japan Display Inc.

Inventor： Yoshifumi Kamei ,  Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Koichi Miyasaka ,  Shuichi Osawa

IPC: G02F1/1347 ,  G02F1/1333 ,  G02F1/1339 ,  G02F1/1345

Abstract: A light adjustment device includes a panel unit in which a plurality of light adjustment panels are stacked in a first direction, each of the light adjustment panels including a first substrate and a second substrate, the first substrate including a first terminal, the second substrate overlapping the first substrate and including a second terminal, a conductive member provided at an end part of the panel unit in a second direction intersecting the first direction, the conductive member extending in the first direction, and a sealing member disposed between the first substrate and the second substrate in each of the light adjustment panels and overlapping a coupling terminal including the first terminal and the second terminal when viewed in the first direction.

公开(公告)号：US12001090B2

公开(公告)日：2024-06-04

申请号：US18329644

申请日：2023-06-06

Applicant: Japan Display Inc.

Inventor： Yoichi Kamijo ,  Yoshikatsu Imazeki ,  Shuichi Osawa ,  Yoshihiro Watanabe ,  Koichi Miyasaka

IPC: G02F1/1334 ,  G02F1/1333 ,  G02F1/1345

CPC classification number: G02F1/1334 ,  G02F1/133388 ,  G02F1/1345

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.

公开(公告)号：US11921386B2

公开(公告)日：2024-03-05

申请号：US17193729

申请日：2021-03-05

Applicant: Japan Display Inc.

Inventor： Yoshihiro Watanabe ,  Yoshikatsu Imazeki ,  Yoichi Kamijo ,  Koichi Miyasaka ,  Shuichi Osawa

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/136286 ,  G02F1/133524 ,  G02F1/133608

Abstract: According to one embodiment, a display device includes a display panel, a first wiring board mounted on the display panel, and a backlight unit located on a back surface side of the display panel to illuminate the display panel. The backlight unit includes a casing which includes a bottom plate including a first slit and a side plate standing at the bottom plate, and a light guide arranged in the casing. The first wiring board passes between the side plate and the light guide and through the first slit and is bent toward a back surface side of the casing.