公开(公告)号：US20220252782A1

公开(公告)日：2022-08-11

申请号：US17730260

申请日：2022-04-27

Applicant: Japan Display Inc.

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

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

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：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：US20200218113A1

公开(公告)日：2020-07-09

申请号：US16818270

申请日：2020-03-13

Applicant: Japan Display Inc.

Inventor： Tetsuro OCHI ,  Hiroyuki SAKAKURA

IPC: G02F1/1333 ,  H04M1/02

Abstract: According to one embodiment, a display device includes a liquid crystal display panel having a display surface, a cover panel overlaid on a display surface, a backlight unit opposed to the liquid crystal display panel, a case covering the backlight unit and the liquid crystal display panel, and including at least a part fixed to the cover panel; and an adhesive provided on the cover panel along the liquid crystal display panel. The adhesive includes a surface opposite to the cover panel, a first area on the surface, and a second area on the surface, and locates on an inner side closer to the liquid crystal display panel than the first area. The part of the case is adhered to the second area. The adhesive is formed in a frame shape with an inner opening surrounding the liquid crystal display panel without contacting the liquid crystal display panel.

公开(公告)号：US20240019628A1

公开(公告)日：2024-01-18

申请号：US18359033

申请日：2023-07-26

Applicant: Japan Display Inc.

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

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

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：US20210397035A1

公开(公告)日：2021-12-23

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

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：US20210132287A1

公开(公告)日：2021-05-06

申请号：US17148007

申请日：2021-01-13

Applicant: Japan Display Inc.

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

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

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：US20170184912A1

公开(公告)日：2017-06-29

申请号：US15387076

申请日：2016-12-21

Applicant: Japan Display Inc.

Inventor： Tetsuro OCHI ,  Hiroyuki SAKAKURA

IPC: G02F1/1333

CPC classification number: G02F1/133308 ,  G02B6/00 ,  G02F2001/133314 ,  G02F2001/133317 ,  G02F2001/133325 ,  G02F2001/133331 ,  G02F2202/28 ,  H04M1/0266

Abstract: According to one embodiment, a display device includes a cover panel, a display panel opposed to the cover panel, an adhesive layer provided between the cover panel and the display panel and attaching the display panel to the cover panel, the adhesive layer including a first area to which the display panel is fixed and a second area located further outward than an outer periphery of the display panel, a backlight unit opposed to the display panel, and a case containing the display panel and the backlight unit, at least a part of the case being fixed to the cover panel by the second area of the adhesive layer.

公开(公告)号：US20170184911A1

公开(公告)日：2017-06-29

申请号：US15383615

申请日：2016-12-19

Applicant: Japan Display Inc.

Inventor： Tetsuro OCHI ,  Hiroyuki SAKAKURA

IPC: G02F1/1333

CPC classification number: G02F1/133308 ,  G02F2001/133317 ,  G02F2001/133325 ,  G02F2001/133328 ,  G02F2202/28 ,  H04M1/0266

Abstract: According to one embodiment, a display device includes a liquid crystal display panel, a cover panel on a display surface of the liquid crystal display panel, a backlight unit opposed to the liquid crystal display panel, a case covering the backlight unit and the liquid crystal display panel, and including at least a part fixed to the cover panel, and an adhesive provided on the cover panel along the liquid crystal display panel. The adhesive includes a surface opposite to the cover panel, a first area on the surface, and a second area on the surface, located on an inner side closer to the liquid crystal display panel than the first area. The part of the case is adhered to the second area.

公开(公告)号：US20170139123A1

公开(公告)日：2017-05-18

申请号：US15354229

申请日：2016-11-17

Applicant: Japan Display Inc.

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

IPC: F21V8/00 ,  G02F1/1333

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.