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：US11054570B2

公开(公告)日：2021-07-06

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 ,  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：US10852595B2

公开(公告)日：2020-12-01

申请号：US16249568

申请日：2019-01-16

Applicant: Japan Display Inc.

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

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

Abstract: According to one embodiment, a display device includes a display panel, a case including a bottom plate opposing a rear surface of the display panel and a side plate stand on the bottom plate and attached to the display panel, a flexible wiring board, one end of which is joined to the display panel, curved around the side plate toward the bottom plate to oppose the bottom plate while, and an adhesive filled between the flexible wiring board and the side plate of the case or between the flexible wiring board and both of the side plate and the bottom plate, to adhere the flexible wiring board onto an outer surface of the case and hold the flexible wiring board in a curved state.

公开(公告)号：US10222649B2

公开(公告)日：2019-03-05

申请号：US15823876

申请日：2017-11-28

Applicant: Japan Display Inc.

Inventor： Ken Sugiyama ,  Koji Hiramoto ,  Taketoshi Masamoto ,  Kazunari Nishita

IPC: G09F13/04 ,  G02F1/1335

Abstract: According to one embodiment, a backlight device includes a support frame including a first frame body including a pair of first frame members and a second frame member connected to respective ends of the first frame members and a second frame body being separate from the first frame body, which connects other respective ends of the first frame members to each other, a reflective sheet on the support frame, a light guide on the reflective sheet within the support frame, an optical sheet on the light guide, and a light source unit in the support frame. The light source unit includes a wiring board on the second frame body and a light source on the wiring board, opposing an incidence surface of the light guide.