公开(公告)号：US11874553B2

公开(公告)日：2024-01-16

申请号：US18197346

申请日：2023-05-15

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama ,  Kosuke Matsubara ,  Takeshi Kaneki

IPC: G02F1/13357 ,  G02F1/1362 ,  G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133602 ,  G02B6/0091 ,  G02B6/0095 ,  G02F1/133512 ,  G02F1/136286

Abstract: A backlight device is provided and includes case having bottom plate; light guide having front surface as emission surface, rear surface opposed to front surface, and incidence surface that is one of side surfaces of light guide, rear surface facing to bottom plate; light-emitting elements facing incident surface of light guide, each of light-emitting elements having bottom surface and light-emitting surface facing incidence surface of light guide; fixing tape arranged on bottom plate, each of bottom surfaces of light-emitting elements and rear surface of light guide being adhered to fixing tape; and light-shield facing fixing tape through light guide.

公开(公告)号：US11686972B2

公开(公告)日：2023-06-27

申请号：US17545560

申请日：2021-12-08

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama ,  Kosuke Matsubara ,  Takeshi Kaneki

IPC: G02F1/13357 ,  G02F1/1362 ,  G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133602 ,  G02B6/0091 ,  G02B6/0095 ,  G02F1/133512 ,  G02F1/136286

Abstract: A backlight device is provided and includes case having bottom plate; light guide including front surface as emission surface, rear surface opposed to front surface, and incidence surface provided between front and rear surfaces, rear surface being arranged on bottom plate; and light-emitting elements facing incident surface of light guide, wherein light-emitting elements includes first surface provided at bottom of light-emitting elements, and light-emitting surface facing incidence surface of light guide, first surfaces and rear surface are arranged side by side, and fixed to fixing tape attached over first surfaces and rear surface of light guide, and light-shield is facing fixing tape through light guide.

公开(公告)号：US20210096418A1

公开(公告)日：2021-04-01

申请号：US17102549

申请日：2020-11-24

Applicant: Japan Display Inc.

Inventor： Hiromichi TANAKA ,  Takeshi Kaneki

IPC: G02F1/1333 ,  F21V8/00 ,  B32B27/36 ,  B32B5/18 ,  B32B17/06 ,  B32B5/22 ,  B32B3/08 ,  B32B27/06 ,  B32B7/12 ,  G02F1/1335 ,  G06F1/16

Abstract: A display device includes a panel, a backlight, and an adhesive tape. The backlight is placed under the panel. The adhesive tape has a light blocking property and is bonded to an end face of the panel and the backlight.

公开(公告)号：US20200183219A1

公开(公告)日：2020-06-11

申请号：US16791356

申请日：2020-02-14

Applicant: Japan Display Inc.

Inventor： Hiromichi Tanaka ,  Takeshi Kaneki

IPC: G02F1/1333 ,  G06F1/16 ,  G02F1/1335 ,  F21V8/00 ,  B32B7/12 ,  B32B27/06 ,  B32B3/08 ,  B32B5/22 ,  B32B17/06 ,  B32B5/18 ,  B32B27/36

Abstract: A display device includes a panel, a backlight, and an adhesive tape. The backlight is placed under the panel. The adhesive tape has a light blocking property and is bonded to an end face of the panel and the backlight.

公开(公告)号：US20180011367A1

公开(公告)日：2018-01-11

申请号：US15616246

申请日：2017-06-07

Applicant: Japan Display Inc.

Inventor： Hiromichi Tanaka ,  Takeshi Kaneki

IPC: G02F1/1333 ,  F21V8/00 ,  G02F1/1335 ,  G06F1/16

Abstract: A display device includes a panel, a backlight, and an adhesive tape. The backlight is placed under the panel. The adhesive tape has a light blocking property and is bonded to an end face of the panel and the backlight.

公开(公告)号：US12013604B2

公开(公告)日：2024-06-18

申请号：US18335377

申请日：2023-06-15

Applicant: Japan Display Inc.

Inventor： Kaoru Inoue ,  Hiromichi Tanaka ,  Takeshi Kaneki

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

CPC classification number: G02F1/133308 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/1368

Abstract: A display device which is an electro-optical device includes a panel including a first substrate, a second substrate, and a liquid crystal layer and having a display region, a transparent region provided inside the display region, and a frame region provided between the transparent region and the display region. A backlight unit is provided below the panel so as not to overlap with the transparent region. A bezel is provided below the backlight unit so as not to overlap with the transparent region. A cover member is provided above the second substrate so as to overlap with the transparent region. Also, a cap film made of a material different from that of the bezel covers at least a lateral side of the backlight unit in the frame region.

公开(公告)号：US11460738B2

公开(公告)日：2022-10-04

申请号：US17104884

申请日：2020-11-25

Applicant: Japan Display Inc.

Inventor： Tomoya Tezen ,  Ken Sugiyama ,  Kosuke Matsubara ,  Koji Hiramoto ,  Takeshi Kaneki

IPC: G02F1/1345 ,  H05K1/18 ,  G02F1/1333 ,  F21V8/00 ,  H05K1/02 ,  H05K1/03 ,  G02F1/00

Abstract: A display device is provided and includes a display panel comprising a substrate; a case provided on a back side of the substrate, the case having an outer surface; and a flexible wiring board, one end of which is connected to a top surface of the substrate, curved along the outer surface of the case; wherein the flexible wiring board is fixed to a side surface of the substrate and the outer surface of the case with an adhesive.

公开(公告)号：US11333914B2

公开(公告)日：2022-05-17

申请号：US17375509

申请日：2021-07-14

Applicant: Japan Display Inc.

Inventor： Kaoru Inoue ,  Hiromichi Tanaka ,  Takeshi Kaneki

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

Abstract: A display device which is an electro-optical device includes a panel including a first substrate, a second substrate, and a liquid crystal layer and having a display region, a transparent region provided inside the display region, and a frame region provided between the transparent region and the display region. A backlight unit is provided below the panel so as not to overlap with the transparent region. A bezel is provided below the backlight unit so as not to overlap with the transparent region. A cover member is provided above the second substrate so as to overlap with the transparent region. Also, a cap film made of a material different from that of the bezel covers at least a lateral side of the backlight unit in the frame region.

公开(公告)号：US10948768B2

公开(公告)日：2021-03-16

申请号：US16196428

申请日：2018-11-20

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama ,  Kosuke Matsubara ,  Takeshi Kaneki

IPC: G02F1/13357 ,  G02F1/1362 ,  G02F1/1335 ,  F21V8/00

Abstract: According to one embodiment, a backlight device includes a case having a bottom plate, a light guide having an emission surface, a second main surface and an incidence surface and arranged on the bottom surface, and a light source unit including a wiring board and light-emitting elements on the wiring board. Each light-emitting element has a mounting surface, a first side surface opposed to the mounting surface, and a light-emitting surface between the mounting surface and the first side surface. Each light-emitting surface faces the incidence surface, and the first side surfaces are arranged parallel to the second main surface, and the light source unit is fixed to the light guide with a fixing tape attached over each first side surface and the second main surface.

公开(公告)号：US11719968B2

公开(公告)日：2023-08-08

申请号：US17721746

申请日：2022-04-15

Applicant: Japan Display Inc.

Inventor： Kaoru Inoue ,  Hiromichi Tanaka ,  Takeshi Kaneki

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

CPC classification number: G02F1/133308 ,  G02F1/1368 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528

Abstract: A display device which is an electro-optical device includes a panel including a first substrate, a second substrate, and a liquid crystal layer and having a display region, a transparent region provided inside the display region, and a frame region provided between the transparent region and the display region. A backlight unit is provided below the panel so as not to overlap with the transparent region. A bezel is provided below the backlight unit so as not to overlap with the transparent region. A cover member is provided above the second substrate so as to overlap with the transparent region. Also, a cap film made of a material different from that of the bezel covers at least a lateral side of the backlight unit in the frame region.