公开(公告)号：US12164198B2

公开(公告)日：2024-12-10

申请号：US18510820

申请日：2023-11-16

Applicant: Japan Display Inc.

Inventor： Tomonori Nishino ,  Masato Shimura ,  Tomokazu Ishikawa ,  Yuki Kuramoto ,  Satoshi Hashimoto

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1368

Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.

公开(公告)号：US11953789B2

公开(公告)日：2024-04-09

申请号：US17455685

申请日：2021-11-19

Applicant: Japan Display Inc.

Inventor： Tomokazu Ishikawa ,  Masaru Nakakomi

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/13394 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/133388 ,  G02F1/133512 ,  G02F1/13392 ,  G02F1/13396 ,  G02F1/13439

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, a facing area, a liquid crystal layer, and a first spacer. The facing area includes a first area for displaying an image, a second area, and a frame-shaped frame area. The second substrate includes a light-shielding layer. The second area is an area having higher transparency than transparency of the first area. The liquid crystal layer is located in the second area, the frame area, and the first area. The first spacer is located in the second area and is provided on the first substrate or the second substrate.

公开(公告)号：US11762243B2

公开(公告)日：2023-09-19

申请号：US17866786

申请日：2022-07-18

Applicant: Japan Display Inc.

Inventor： Motoharu Miyamoto ,  Tomokazu Ishikawa

IPC: G02F1/1339 ,  G02F1/1362 ,  G09G3/36

CPC classification number: G02F1/1339 ,  G02F1/136286 ,  G09G3/3674

Abstract: Display device is provided and includes scanning line; semiconductor layer; pixel electrode; first insulating film having first contact hole; organic insulating film having second contact hole; and second insulating film having third contact hole, wherein semiconductor layer has first linear portion that is orthogonal to scanning line, pixel electrode is electrically connected to first linear portion via first, second and third contact holes, first linear portion overlaps first, second and third contact holes that are aligned along first linear portion, and center of second contact hole is located between center of first contact hole and center of third contact hole.

公开(公告)号：US11754891B2

公开(公告)日：2023-09-12

申请号：US17738008

申请日：2022-05-06

Applicant: Japan Display Inc.

Inventor： Tomokazu Ishikawa ,  Masaru Nakakomi

IPC: G02F1/1362 ,  G02F1/1333 ,  H01L23/60 ,  H01L27/12

CPC classification number: G02F1/136204 ,  G02F1/133345 ,  G02F1/136286 ,  H01L23/60 ,  H01L27/1244 ,  H01L27/1248

Abstract: According to one embodiment, a display device includes, a first inorganic insulating layer, a first metal layer, a wiring group, a first organic insulating layer formed above the first inorganic insulating layer, the first metal layer and the wiring group, a second inorganic insulating layer formed above the first organic insulating layer and includes an opening portion overlapping the first metal layer, and a first transparent conductive layer formed above the second inorganic insulating layer, overlapping the opening portion and electrically connected to the first metal layer. The first organic insulating layer includes a groove portion which exposes the first inorganic insulating layer between the opening portion and the wiring group.

公开(公告)号：US11333916B2

公开(公告)日：2022-05-17

申请号：US17163563

申请日：2021-02-01

Applicant: Japan Display Inc.

Inventor： Tomokazu Ishikawa ,  Hitomi Hasegawa ,  Masashi Shishikura

IPC: G02F1/1333 ,  G02F1/1362 ,  H01L27/12 ,  G02F1/1345 ,  G02F1/1337

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display portion, a second area adjacent to the first area, and an organic film. The second substrate has a substrate end along a boundary between the first area and the second area, and overlaps the first area. The first substrate includes an alignment film located in the display portion, terminals located in the second area and connected to a signal source, and a first groove formed in the organic film and located between the substrate end of the second substrate and the terminals in the second area. The terminals are arranged in a first direction. The first groove extends in the first direction along the terminals.

公开(公告)号：US10942384B2

公开(公告)日：2021-03-09

申请号：US16537639

申请日：2019-08-12

Applicant: Japan Display Inc.

Inventor： Tomokazu Ishikawa ,  Hitomi Hasegawa ,  Masashi Shishikura

IPC: G02F1/1333 ,  G02F1/1362 ,  H01L27/12 ,  G02F1/1345 ,  G02F1/1337

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display portion, a second area adjacent to the first area, and an organic film. The second substrate has a substrate end along a boundary between the first area and the second area, and overlaps the first area. The first substrate includes an alignment film located in the display portion, terminals located in the second area and connected to a signal source, and a first groove formed in the organic film and located between the substrate end of the second substrate and the terminals in the second area. The terminals are arranged in a first direction. The first groove extends in the first direction along the terminals.

公开(公告)号：US10761381B2

公开(公告)日：2020-09-01

申请号：US16662128

申请日：2019-10-24

Applicant: Japan Display Inc.

Inventor： Tomonori Nishino ,  Masato Shimura ,  Tomokazu Ishikawa ,  Yuki Kuramoto ,  Satoshi Hashimoto

IPC: G02F1/1339 ,  G02F1/1368 ,  G02F1/1333

Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.

公开(公告)号：US10133113B2

公开(公告)日：2018-11-20

申请号：US15089656

申请日：2016-04-04

Applicant: Japan Display Inc.

Inventor： Tomokazu Ishikawa ,  Yuki Kuramoto ,  Haruki Yamada ,  Katsuhiro Kato

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1339

Abstract: According to one embodiment, a display device comprises a display panel and a polarizing plate. The display panel comprises a display area, a non-display area surrounding the display area, and a light-shielding layer arranged in the display area and the non-display area. The polarizing plate is provided on a surface of the display panel, and including an end portion located in the non-display area. In this display device, the light-shielding layer opposite to the end portion of the polarizing plate is at least partially removed.

公开(公告)号：US20180120605A1

公开(公告)日：2018-05-03

申请号：US15844825

申请日：2017-12-18

Applicant: Japan Display Inc.

Inventor： Tomonori Nishino ,  Masato Shimura ,  Tomokazu Ishikawa ,  Yuki Kuramoto ,  Satoshi Hashimoto

IPC: G02F1/1339 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/1339 ,  G02F1/133345 ,  G02F1/1368 ,  G02F2001/133311 ,  G02F2001/13396

Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed, and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.

公开(公告)号：US09874785B2

公开(公告)日：2018-01-23

申请号：US15606531

申请日：2017-05-26

Applicant: Japan Display Inc.

Inventor： Tomonori Nishino ,  Masato Shimura ,  Tomokazu Ishikawa ,  Yuki Kuramoto ,  Satoshi Hashimoto

IPC: G02F1/1339 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/1339 ,  G02F1/133345 ,  G02F1/1368 ,  G02F2001/133311 ,  G02F2001/13396

Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.