公开(公告)号：US11204526B2

公开(公告)日：2021-12-21

申请号：US17022507

申请日：2020-09-16

Applicant: Japan Display Inc.

Inventor： Taiki Makino ,  Tomokazu Ishikawa ,  Yuki Kuramoto

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1345

Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.

公开(公告)号：US20200050037A1

公开(公告)日：2020-02-13

申请号：US16657036

申请日：2019-10-18

Applicant: Japan Display Inc.

Inventor： Takahiro Ochiai ,  Yuki Kuramoto ,  Masahiro Hoshiba

IPC: G02F1/133 ,  G02F1/1368 ,  G02F1/1339 ,  G02F1/1341 ,  G02F1/1345 ,  H01L29/417 ,  G09G3/36 ,  G11C19/28

Abstract: A liquid crystal display device includes a thin film transistor substrate, a counter substrate that faces the thin film transistor substrate, a liquid crystal composition that is arranged between the thin film transistor substrate and the counter substrate, an oriented film that arranges orientation of the liquid crystal composition contacting with the thin film transistor substrate, a seal material that seals the liquid crystal composition between the two substrates, and a driver circuit. The driver circuit has a light transmission area that is formed inside of the driver circuit, and is higher in light transmittance than an area in which a non-transparent conductive film forming the driver circuit is formed, and a high sealing property area in which the seal material and an insulating film come into direct contact with each other between the light transmission area and an outer edge of the thin film transistor substrate.

公开(公告)号：US10261366B2

公开(公告)日：2019-04-16

申请号：US16114350

申请日：2018-08-28

Applicant: Japan Display Inc.

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

IPC: G02F1/1333 ,  G02F1/1339 ,  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：US10228590B2

公开(公告)日：2019-03-12

申请号：US15800536

申请日：2017-11-01

Applicant: Japan Display Inc.

Inventor： Taiki Makino ,  Tomokazu Ishikawa ,  Yuki Kuramoto

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1345

Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.

公开(公告)号：US10180602B2

公开(公告)日：2019-01-15

申请号：US15640673

申请日：2017-07-03

Applicant: Japan Display Inc.

Inventor： Saori Sugiyama ,  Takanori Nakayama ,  Yuki Kuramoto

IPC: G02F1/1339 ,  G02F1/1335 ,  G02F1/1337

Abstract: Red pixels (R), blue pixels (B) and green pixels (G) are formed in parallel. First columnar spacers 10 and second columnar spacers 20 are formed on a first substrate. The distance between the first substrate and a second substrate in a normal state is determined by the first columnar spacers 10. The diameter of a light blocking film corresponding to each first columnar spacer 10 is greater than the diameter of a light blocking film corresponding to each second columnar spacer 20. The first columnar spacer 10 is not formed at a boundary between a green pixel (G) and a red pixel (R) or a boundary between a green pixel (G) and a blue pixel (B). The second columnar spacer 20 is formed at a boundary between pixels irrespective of the pixel color. Thus, appropriate color balance can be attained with ease without having a drop in the luminance.

公开(公告)号：US10095067B2

公开(公告)日：2018-10-09

申请号：US14957888

申请日：2015-12-03

Applicant: Japan Display Inc.

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

IPC: G02F1/1339 ,  G02F1/1337 ,  G02F1/1333

Abstract: There is achieved a liquid crystal display device having a smaller picture frame region and a seal part of improved reliability. A liquid crystal display device includes a TFT substrate having a display region and a terminal region and formed with an organic passivation film, a counter substrate attached to the TFT substrate through a seal part, and a liquid crystal contained inside the seal part. A hole is formed at a predetermined pitch on the organic passivation film of the TFT substrate corresponding to the seal part when viewed on a plane. When the hole is viewed on a plane, a shortest distance from the hole to the hole is four micrometers or greater and 12 micrometers or less at a height of h1=0.9×h2 from a bottom face of the hole, where a depth of the hole is defined as h2.

公开(公告)号：US09696592B2

公开(公告)日：2017-07-04

申请号：US14817520

申请日：2015-08-04

Applicant: Japan Display Inc.

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

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

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：US12169337B2

公开(公告)日：2024-12-17

申请号：US18516139

申请日：2023-11-21

Applicant: Japan Display Inc.

Inventor： Masato Nakamura ,  Daichi Hosokawa ,  Yuki Kuramoto ,  Hideyuki Takahashi

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1337

Abstract: According to one embodiment, a liquid crystal display device includes a first area, second area, liquid crystal layer, and a plurality of pixels. Each subpixel includes an opening area including a first opening area and a second opening area. The pixels include a first pixel positioned in the first area and a second pixel positioned over a boundary of the first area and the second area. The opening area of the second pixel is smaller than the opening area of the first pixel when opening areas of subpixels of same color are compared. An each imaginary line showing the boundary of the first opening area and the second opening area is a same straight line.

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：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.