公开(公告)号：US20190250441A1

公开(公告)日：2019-08-15

申请号：US16270050

申请日：2019-02-07

Applicant: Japan Display Inc.

Inventor： Koji HIRAMOTO ,  Ken SUGIYAMA ,  Kosuke MATSUBARA ,  Tomoya TEZEN

IPC: G02F1/1345 ,  H05K1/02

CPC classification number: G02F1/1345 ,  H05K1/028 ,  H05K2201/10136

Abstract: According to one embodiment, a display device includes a display panel, a case including a bottom plate and a side plate provided on the bottom plate and attached to the display panel, and a flexible wring board including a first end joined to the display panel and extending from the display panel toward the bottom plate while being curved around the side plate. The flexible wring board includes a substrate, a conductive layer on a first surface of the substrate and constituting wires, and a protective layer overlaid on the conductive layer and the substrate and opposed to an outer surface of the case. The flexible wring board includes a curved portion curved along the side plate, and the substrate includes a concavity provided in the curved portion.

公开(公告)号：US20180321543A1

公开(公告)日：2018-11-08

申请号：US16020399

申请日：2018-06-27

Applicant: Japan Display Inc.

Inventor： Tetsuro OCHI ,  Ken SUGIYAMA ,  Toshiyuki TSUBOTA ,  Kazunari NISHITA

IPC: G02F1/1333 ,  F21V8/00 ,  G02F1/13357

CPC classification number: G02F1/133308 ,  G02B6/005 ,  G02B6/0065 ,  G02B6/0078 ,  G02B6/0083 ,  G02B6/0088 ,  G02B6/009 ,  G02F1/1336 ,  G02F2001/133314 ,  G02F2001/133317 ,  G02F2202/28

Abstract: According to one embodiment, a backlight device includes a frame formed of a sheet material, a first adhesive layer provided on one surface of the frame, a reflective sheet attached to the frame with the first adhesive layer, an optical member disposed on the reflective sheet in the frame, and a light source disposed in the frame and configured to emit light to the optical member. In at least a part of the frame, a width of the frame and a width of the first adhesive layer are equal to each other, and at least an external surface of the frame and an external surface of the first adhesive layer are flush with each other.

公开(公告)号：US20240288723A1

公开(公告)日：2024-08-29

申请号：US18658233

申请日：2024-05-08

Applicant: Japan Display Inc.

Inventor： Tetsuro OCHI ,  Ken SUGIYAMA ,  Toshiyuki TSUBOTA ,  Kazunari NISHITA

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133308 ,  G02F1/1335 ,  G02B6/005 ,  G02B6/0065 ,  G02B6/0078 ,  G02B6/0083 ,  G02B6/0088 ,  G02B6/009 ,  G02F1/133314 ,  G02F1/133317 ,  G02F1/1336 ,  G02F2202/28

Abstract: A display device is provided and includes a liquid crystal display panel; and a backlight device opposed to the liquid crystal display panel; the backlight device including a frame-shaped structure with a first surface and a second surface, the second surface facing the liquid crystal display panel and being located between the liquid crystal display panel and the first surface; a reflective sheet adhering to the first surface with a first adhesive layer, and a light-shielding member covering a side surface of the liquid crystal display panel.

公开(公告)号：US20240085737A1

公开(公告)日：2024-03-14

申请号：US18508477

申请日：2023-11-14

Applicant: Japan Display Inc.

Inventor： Rina YAMAMOTO ,  Ken SUGIYAMA

IPC: G02F1/13357 ,  G02F1/1335

CPC classification number: G02F1/133603 ,  G02F1/133607

Abstract: Provided is a light source device including: a housing body; a light source substrate located over and accommodated in the housing body; a plurality of inorganic light-emitting elements over the light source substrate; an optical sheet located over the plurality of inorganic light-emitting elements, accommodated in the housing body, and spaced away from the light source substrate; and at least one spacer accommodated in the housing body and in contact with a bottom surface of the optical sheet. A region of an upper surface of the light source substrate overlapping the plurality of inorganic light-emitting elements does not overlap the at least one spacer.

公开(公告)号：US20230118649A1

公开(公告)日：2023-04-20

申请号：US18068206

申请日：2022-12-19

Applicant: Japan Display Inc.

Inventor： Rina YAMAMOTO ,  Ken SUGIYAMA

IPC: G02F1/13357 ,  G02F1/1335

Abstract: Provided is a light source device including: a housing body; a light source substrate located over and accommodated in the housing body; a plurality of inorganic light-emitting elements over the light source substrate; an optical sheet located over the plurality of inorganic light-emitting elements, accommodated in the housing body, and spaced away from the light source substrate; and at least one spacer accommodated in the housing body and in contact with a bottom surface of the optical sheet. A region of an upper surface of the light source substrate overlapping the plurality of inorganic light-emitting elements does not overlap the at least one spacer.

公开(公告)号：US20220100034A1

公开(公告)日：2022-03-31

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

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：US20220026765A1

公开(公告)日：2022-01-27

申请号：US17449822

申请日：2021-10-04

Applicant: Japan Display Inc.

Inventor： Rina YAMAMOTO ,  Ken SUGIYAMA

IPC: G02F1/13357 ,  G02F1/1335

Abstract: Provided is a light source device including: a housing body; a light source substrate located over and accommodated in the housing body; a plurality of inorganic light-emitting elements over the light source substrate; an optical sheet located over the plurality of inorganic light-emitting elements, accommodated in the housing body, and spaced away from the light source substrate; and at least one spacer accommodated in the housing body and in contact with a bottom surface of the optical sheet. A region of an upper surface of the light source substrate overlapping the plurality of inorganic light-emitting elements does not overlap the at least one spacer.

公开(公告)号：US20210318483A1

公开(公告)日：2021-10-14

申请号：US17357145

申请日：2021-06-24

Applicant: Japan Display Inc.

Inventor： Koji HIRAMOTO ,  Masafumi OKADA ,  Hiroshi NAKAMOTO ,  Ken KAGABU ,  Ken SUGIYAMA

IPC: F21V8/00

Abstract: According to an aspect, a display device includes: a display panel configured to transmit light; and an illumination device provided on a rear surface side of the display panel. The illumination device includes a plurality of light sources configured to emit light, and a light guiding member that has translucency and is arranged between the light sources on the rear surface side of the display panel. The light guiding member has a plurality of holes each of which opens in a first direction intersecting with a rear surface of the display panel and in each of which a corresponding one of the light sources is disposed, and a light guiding portion surrounding the holes. A rear surface of the light guiding portion is provided with a first inclined surface inclined with respect to the first direction and a plane orthogonal to the first direction.

公开(公告)号：US20210200025A1

公开(公告)日：2021-07-01

申请号：US17200224

申请日：2021-03-12

Applicant: Japan Display Inc.

Inventor： Ken SUGIYAMA ,  Kosuke MATSUBARA ,  Takeshi KANEKI

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

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 surface and rear surface; and light-emitting elements facing incident surface of light guide, wherein light-emitting elements include 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-shielding tape facing fixing tape through light guide and light-emitting elements.

公开(公告)号：US20200326467A1

公开(公告)日：2020-10-15

申请号：US16911027

申请日：2020-06-24

Applicant: Japan Display Inc.

Inventor： Kosuke MATSUBARA ,  Ken SUGIYAMA ,  Kazunari NISHITA ,  Koji HIRAMOTO

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

Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal panel and a backlight device. The backlight device includes a case with a bottom plate and a side plate, a light guide on the bottom plate, and a light source device. The light source device includes a wiring substrate and a light-emitting element on the wiring substrate. The wiring substrate includes a mounting portion on which the light-emitting element is mounted, a connection wiring portion on a back surface side of the bottom plate, and a joint portion which joints the mounting portion and the connection wiring portion together. The joint portion extends from an inside to an outside of the case through a gap between the side plate of the case and the liquid crystal panel.