公开(公告)号：US20240288726A1

公开(公告)日：2024-08-29

申请号：US18429666

申请日：2024-02-01

Applicant: Japan Display Inc.

Inventor： Ryou SHIMMEN ,  Michikazu NOGUCHI

IPC: G02F1/1334 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/13347 ,  G02F1/133368 ,  G02F1/133524 ,  G02F1/133553 ,  G02F1/133615

Abstract: According to one embodiment, a display device includes an array substrate, a counter-substrate facing the array substrate, a liquid crystal layer provided between the array substrate and the counter-substrate, a first transparent cover member including a first main surface facing the counter-substrate, a second main surface located on a side opposite to the first main surface, and a first side surface extending in a first direction, and a light source applying light toward the first side surface along a second direction intersecting the first direction. The first side surface is a protruding curved surface connecting the first main surface with the second main surface and facing the light source.

公开(公告)号：US20240027827A1

公开(公告)日：2024-01-25

申请号：US18222545

申请日：2023-07-17

Applicant: Japan Display Inc.

Inventor： Michikazu NOGUCHI ,  Yasuyuki HANAZAWA

IPC: G02F1/13357 ,  F21V8/00 ,  G02B27/01

CPC classification number: G02F1/1336 ,  G02B6/0073 ,  G02B27/0101 ,  G02F2203/01

Abstract: A display apparatus includes: a light guide panel; a light source unit including a plurality of light emitting diode elements arranged in an X direction at a position facing a side surface of the light guide panel; and a lens unit arranged between the light guide panel and the light source unit. The light source unit, the lens unit and the light guide panel are arranged in a Y direction crossing the X direction. The lens unit includes: a light entering surface facing the light source unit; and a light emitting surface being opposite to the light entering surface and facing the side surface of the light guide panel. The light entering surface of the lens unit is a concave surface extending in the X direction.

公开(公告)号：US20240288740A1

公开(公告)日：2024-08-29

申请号：US18434836

申请日：2024-02-07

Applicant: Japan Display Inc.

Inventor： Yuta WAKABAYASHI ,  Yasuyuki HANAZAWA ,  Michikazu NOGUCHI ,  Ryou SHIMMEN

IPC: G02F1/137 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/13756 ,  G02F1/133385 ,  G02F1/1334 ,  G02F1/1339 ,  G02F1/134309 ,  G02F1/1362 ,  G02F2202/28

Abstract: According to one embodiment, a display device includes an array substrate, a first cover member and a first adhesive layer. The array substrate includes first and second main surfaces and a first side surface. The first cover member includes third and fourth main surfaces and a second side surface. The first adhesive layer attaches the first and third main surfaces. The array substrate further includes a display area and a mounting area between the first side surface and the display area. The first cover member includes a protruding portion which protrudes relative to the first side surface.

公开(公告)号：US20230408863A1

公开(公告)日：2023-12-21

申请号：US18328810

申请日：2023-06-05

Applicant: Japan Display Inc.

Inventor： Michikazu NOGUCHI ,  Motoki TSUDA ,  Kazuki ICHIHARA

IPC: G02F1/13357 ,  F21V8/00

CPC classification number: G02F1/133603 ,  G02B6/0073 ,  G02B6/0086 ,  G02B6/0083 ,  G02B6/0068

Abstract: A plurality of light emitting diode elements of a display panel (display apparatus) include: a first light emitting diode element, a second light emitting diode element and a third light emitting diode element. In the X direction, a plurality of the first light emitting diode elements, single or a plurality of the second light emitting diode elements and single or a plurality of the third light emitting diode elements are repeatedly arranged. The total number of the first light emitting diode elements is larger than the total number of the second light emitting diode elements. Light flux of the light of the first color emitted from the first light emitting diode elements is lower than light flux of the light of the second color emitted from the second light emitting diode elements.

公开(公告)号：US20230367155A1

公开(公告)日：2023-11-16

申请号：US18314135

申请日：2023-05-09

Applicant: Japan Display Inc.

Inventor： Yuta WAKABAYASHI ,  Yasuyuki HANAZAWA ,  Michikazu NOGUCHI ,  Hiromichi TANAKA

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/13357

CPC classification number: G02F1/133628 ,  G02F1/133331 ,  G02F1/133385 ,  G02F1/1334 ,  G02F1/133615 ,  G02F2201/07 ,  G02F1/133322 ,  G02F2203/01

Abstract: The following structure mitigates problems caused by heat generated by the LED and the driver IC. A liquid crystal display device including a liquid crystal display panel in which liquid crystal is sandwiched between a TFT substrate, having a pixel, and a counter substrate including: a display area being formed in an area in which the TFT substrate and the counter substrate overlap each other, a terminal area being formed on the TFT substrate, in which the counter substrate does not overlap, the terminal area being formed along a first side of the counter substrate which extends in a first direction, a second cover glass being disposed on the counter substrate, and a first cover glass being disposed under the TFT substrate, in which a width of the first cover glass in the first direction is larger than a width of the second cover glass in the first direction.

公开(公告)号：US20230367054A1

公开(公告)日：2023-11-16

申请号：US18195372

申请日：2023-05-10

Applicant: Japan Display Inc.

Inventor： Motoki TSUDA ,  Kazuki ICHIHARA ,  Michikazu NOGUCHI

IPC: F21V8/00 ,  G02F1/13357

CPC classification number: G02B6/003 ,  G02B6/0068 ,  G02F1/133621 ,  G02F2202/28

Abstract: A performance of an apparatus is improved. A display apparatus includes: a light guide panel; a light source unit including a plurality of light emitting diode elements arranged in an X direction at a position facing a side surface of the light guide panel; and a plurality of lenses arranged in the X direction between the light guide panel and the light source unit and adhered to each other while sandwiching an adhesive layer allowing visible light to penetrate therethrough. Each of the plurality of lenses includes a surface facing the light source unit, a surface opposite to this surface, and a side surface (lens side surface) crossing these surfaces and being adhered to the adhesive layer. The adhesive layer is arranged between the sides surfaces facing each other.

公开(公告)号：US20240027821A1

公开(公告)日：2024-01-25

申请号：US18222568

申请日：2023-07-17

Applicant: Japan Display Inc.

Inventor： Michikazu NOGUCHI

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

CPC classification number: G02F1/133524 ,  G02F1/133615 ,  G02B6/0055 ,  G02B6/0031 ,  G02B6/0076 ,  G02B6/0068 ,  G02B6/0073

Abstract: A display panel (display device) includes a first light guide plate, a second light guide plate, a first light source unit, a second light source unit, and a reflection film. In a display region, an air layer is interposed between a first substrate and the first light guide plate, and a second adhesive layer is interposed between a second substrate and the second light guide plate. In a peripheral region, the first light guide plate, a first adhesive layer, the first substrate, the second substrate, the second adhesive layer, and the second light guide plate are interposed between a first reflection surface and a second reflection surface of the reflection film.

公开(公告)号：US20230367154A1

公开(公告)日：2023-11-16

申请号：US18195387

申请日：2023-05-10

Applicant: Japan Display Inc.

Inventor： Yuta WAKABAYASHI ,  Yasuyuki HANAZAWA ,  Michikazu NOGUCHI ,  Ryou SHIMMEN

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1345 ,  G02F1/1334 ,  G02F1/13357

CPC classification number: G02F1/133628 ,  G02F1/133385 ,  G02F1/133331 ,  G02F1/13452 ,  G02F1/1334 ,  G02F1/133615 ,  G02F2203/01 ,  G02F1/133622

Abstract: A display device has a display area and a terminal area, the terminal area being formed on the TFT area, in which the counter substrate does not overlap, a driver IC being disposed on the terminal area, a first heat dissipation plate being adhered to a back of the TFT substrate in a portion corresponding the terminal area, a second cover glass being disposed on the counter substrate, a first edge being disposed at an edge of the second cover glass, an LED as a light source being disposed at a second edge, which is an opposing edge to the first edge of the lens, a second heat dissipation plate, on which the lens and the LED are disposed, being disposed at a second cover glass side, in which the lens, the LED and the second heat dissipation plate are fixed to the TFT substrate through the first heat dissipation plate.