公开(公告)号：US11567354B2

公开(公告)日：2023-01-31

申请号：US17370186

申请日：2021-07-08

Applicant: Japan Display Inc.

Inventor： Koji Hiramoto ,  Norika Ikeda ,  Ken Sugiyama

IPC: G02F1/1333 ,  G02F1/133 ,  G02F1/13357

Abstract: According to an embodiment, a display device comprises a frame defining an opening, a grip extending from the frame, and a display panel which is held by the frame and whose background is visually recognizable. Further, the opening includes a region surrounded by an inner edge of the frame and the display panel.

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：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：US10732347B2

公开(公告)日：2020-08-04

申请号：US15961034

申请日：2018-04-24

Applicant: Japan Display Inc.

Inventor： Kosuke Matsubara ,  Ken Sugiyama ,  Kazunari Nishita ,  Koji Hiramoto

IPC: F21V8/00 ,  G02F1/1345 ,  H05K1/18 ,  G02F1/1333 ,  H05K1/14

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.

公开(公告)号：US10545281B2

公开(公告)日：2020-01-28

申请号：US15889048

申请日：2018-02-05

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama ,  Koji Hiramoto ,  Kazunari Nishita

IPC: F21V8/00

Abstract: According to one embodiment, a backlight device includes a case including a bottom plate formed from a metal plate, a plurality of side plates formed of metal plates along side edges of the bottom plate and a plurality of resin members each embedded into a gap between each adjacent pair of the side plates to form a corner portion, a light guide in the case, an optical sheet on the light guide, and a light source unit in the case, configured to emit light to enter the light guide.

公开(公告)号：US20190257998A1

公开(公告)日：2019-08-22

申请号：US16385604

申请日：2019-04-16

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama

IPC: F21V8/00 ,  H01L33/48 ,  H01L33/58 ,  H01L33/62 ,  H05K1/14 ,  H05K1/02 ,  H05K1/18 ,  H01L25/075

Abstract: According to one embodiment, a light source device includes a light-emitting chip, and a case in which the light-emitting chip is accommodated. The case includes a light-emitting surface which transmits light from the light-emitting chip, and a plurality of sidewalls extending so as to intersect the light-emitting surface. At least a part of the sidewalls is colored or painted in black.

公开(公告)号：US12111536B2

公开(公告)日：2024-10-08

申请号：US18508477

申请日：2023-11-14

Applicant: Japan Display Inc.

Inventor： Rina Yamamoto ,  Ken Sugiyama

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

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：US11747549B2

公开(公告)日：2023-09-05

申请号：US17730260

申请日：2022-04-27

Applicant: Japan Display Inc.

Inventor： Kazunari Nishita ,  Ken Sugiyama ,  Tetsuro Ochi ,  Toshiyuki Tsubota

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

CPC classification number: G02B6/0088 ,  G02F1/133308 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/133314 ,  G02F2202/28 ,  G02F2203/01

Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.

公开(公告)号：US11536998B2

公开(公告)日：2022-12-27

申请号：US17465962

申请日：2021-09-03

Applicant: Japan Display Inc.

Inventor： Tetsuro Ochi ,  Ken Sugiyama ,  Toshiyuki Tsubota ,  Kazunari Nishita

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

Abstract: A backlight device is provided and include frame formed of sheet material including at least four bars; first adhesive layer provided on one surface of the bars; reflective sheet attached to frame with first adhesive layer; second adhesive layer is provided on another surface opposed to the one surface of the bars; optical member including lightguide plate disposed on reflective sheet in frame; and light source disposed in frame and configured to emit light to optical member, wherein thickness of second adhesive layer provided on three successive bars of frame along three sides of lightguide plate is greater than thickness of first adhesive layer provided on four bars of frame.

公开(公告)号：US11520178B2

公开(公告)日：2022-12-06

申请号：US17382021

申请日：2021-07-21

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama ,  Toshiyuki Tsubota ,  Rina Yamamoto

IPC: G02F1/1333 ,  F21V8/00

Abstract: According to one embodiment, a display device includes a liquid crystal panel, a case covering a rear surface side of the liquid crystal panel, a backlight device disposed in the case and opposed to the liquid crystal panel with a gap, a first holding member provided on a side plate of the case, and a second holding member including a fixation part attached to the side plate of the case, and a second holding part interposed between an optical sheet and a rear surface of the liquid crystal panel to cover a light source device and an end part of the optical sheet on the light source device side.