公开(公告)号：US20210080771A1

公开(公告)日：2021-03-18

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 ,  G02F1/1333 ,  H05K1/18

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：US20150323822A1

公开(公告)日：2015-11-12

申请号：US14697781

申请日：2015-04-28

Applicant: Japan Display Inc.

Inventor： Koji HIRAMOTO ,  Toshimitsu YOSHIFUKU ,  Yoshihisa WATANABE

IPC: G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/13338 ,  G02F1/1339 ,  G02F2202/28

Abstract: According to one embodiment, provided is a display device with an improved manufacturability which is capable of preventing a decrease in the display quality due to a change in the gap between an array substrate and a counter substrate caused by a temperature change. The primary bonding portion is composed of translucent synthetic resin and provided to bond together the counter substrate side and a touch panel side in a manner covering at least a display area. The secondary bonding portion is provided in a columnar shape through curing of adhesive being ultraviolet curable liquid resin with a viscosity higher than that of the synthetic resin of the primary bonding portion, the secondary bonding portion bonding together the non-opposed portion side and the touch panel side.

Abstract translation: 根据一个实施例，提供了一种具有改进的可制造性的显示装置，其能够防止由于温度变化引起的阵列基板和对置基板之间的间隙的变化而导致的显示质量的降低。 主要接合部分由半透明合成树脂构成，并且以至少覆盖显示区域的方式将对置基板侧和触摸面板侧接合在一起。 二次接合部分通过使具有比一次接合部分的合成树脂的粘度高的紫外线固化液体树脂的粘合剂固化成柱形，二次接合部分将非相对部分侧和接触部 面板侧。

公开(公告)号：US20200352020A1

公开(公告)日：2020-11-05

申请号：US16935279

申请日：2020-07-22

Applicant: Japan Display Inc.

Inventor： Kota UOGISHI ,  Koji HIRAMOTO ,  Kengo KOWATA

IPC: H05K1/02 ,  H05K3/12 ,  H05K3/28 ,  H05K1/03

Abstract: According to one embodiment, a display device includes a display panel including pad portions, a flexible printed circuit, the flexible printed circuit includes a base member with a first surface and a second surface, wiring lines, and a protective layer, and including a bend area, and a first edge and a second edge, the base member includes a groove portion located in the bend area and formed in the second surface, a first frame region between the first edge and the groove portion, and a second frame region between the second edge and the groove portion, a thickness of the base member in a position where the groove portion is formed is less than a thickness of the base member in a position which overlaps the first frame region and the second frame region.

公开(公告)号：US20180306968A1

公开(公告)日：2018-10-25

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 ,  H05K1/14 ,  H05K1/18

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：US20220268986A1

公开(公告)日：2022-08-25

申请号：US17742653

申请日：2022-05-12

Applicant: Japan Display Inc.

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

IPC: F21V8/00 ,  G02F1/13357

Abstract: Display device is provided and includes display panel; and illumination device provided on rear surface side of display panel, wherein illumination device includes light sources, and light guiding member arranged at rear surface side of display panel, light guiding member has holes which penetrates the light guiding member, light sources are housed in corresponding hole, rear surface of light guiding member has first inclined surface inclined upwardly from light source housed in one of holes, front surface side of light guiding member has second inclined surface inclined upwardly from light source housed in one of the holes, and angle of first inclined surface to center line of one of holes is greater than angle of second inclined surface to center line.

公开(公告)号：US20180149922A1

公开(公告)日：2018-05-31

申请号：US15823876

申请日：2017-11-28

Applicant: Japan Display Inc.

Inventor： Ken SUGIYAMA ,  Koji HIRAMOTO ,  Taketoshi MASAMOTO ,  Kazunari NISHITA

IPC: G02F1/1335

CPC classification number: G02F1/133603 ,  G02F1/133308 ,  G02F2001/133314 ,  G02F2001/133317 ,  G02F2001/133607

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.

公开(公告)号：US20180031918A1

公开(公告)日：2018-02-01

申请号：US15662878

申请日：2017-07-28

Applicant: Japan Display Inc.

Inventor： Ken SUGIYAMA ,  Koji HIRAMOTO

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133602 ,  G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02B6/0083 ,  G02B6/0088 ,  G02B6/009 ,  G02F1/133615

Abstract: According to one embodiment, a backlight device includes a light guide including a first main surface which forms a light-emitting surface, a second main surface and an incidence surface crossing the first and second main surfaces, a light source unit, and an optical sheet on the first main surface of the light guide. The optical sheet includes a light source-side end portion extending over the incidence surface of the light guide to a position opposing the light source unit.

公开(公告)号：US20210333613A1

公开(公告)日：2021-10-28

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 ,  H04N5/225

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：US20210116732A1

公开(公告)日：2021-04-22

申请号：US17135454

申请日：2020-12-28

Applicant: Japan Display Inc.

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

IPC: G02F1/1345 ,  H05K1/02

Abstract: A display device is provided and includes display panel; case provided at back surface of display panel; and flexible wiring board including first end connected to display panel and curved along outer surface of case, flexible wiring board comprising sheet-shaped substrate having first surface that is flat and second surface opposite to first surface, conductive layer formed on first surface of substrate and constituting wires, and protective layer overlaid on conductive layer and substrate, and substrate comprising first portion including first end joined to display panel, second portion including second end opposite to first end, and third portion provided between first portion and second portion, thickness of part of third portion is smaller than thickness of first portion and thickness of second portion, flexible wiring board is curved at third portion.

公开(公告)号：US20200077508A1

公开(公告)日：2020-03-05

申请号：US16555561

申请日：2019-08-29

Applicant: Japan Display Inc.

Inventor： Kota UOGISHI ,  Koji HIRAMOTO ,  Kengo KOWATA

IPC: H05K1/02 ,  H05K1/03 ,  H05K3/28 ,  H05K3/12

Abstract: According to one embodiment, a display device includes a display panel including pad portions, a flexible printed circuit, the flexible printed circuit includes a base member with a first surface and a second surface, wiring lines, and a protective layer, and including a bend area, and a first edge and a second edge, the base member includes a groove portion located in the bend area and formed in the second surface, a first frame region between the first edge and the groove portion, and a second frame region between the second edge and the groove portion, a thickness of the base member in a position where the groove portion is formed is less than a thickness of the base member in a position which overlaps the first frame region and the second frame region.