公开(公告)号：US12025898B2

公开(公告)日：2024-07-02

申请号：US18322024

申请日：2023-05-23

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/136227 ,  G02F2201/121 ,  G02F2201/123

Abstract: According to one embodiment, a display device includes a switching element, a common electrode, an insulating film covering the common electrode, a first pixel electrode electrically connected to the switching element in a first contact hole penetrating the insulating film, and a transparent conductive film electrically connected to the common electrode in a second contact hole penetrating the insulating film. The first pixel electrode and the transparent conductive film are arranged in a first direction in a same layer. A size of the first contact hole and a size of the second contact hole are different from each other in planar view.

公开(公告)号：US11906858B2

公开(公告)日：2024-02-20

申请号：US17900923

申请日：2022-09-01

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1362 ,  G02F1/1345

CPC classification number: G02F1/1345 ,  G02F1/136286

Abstract: A display portion of a display device includes a gate wiring formed of a first metal layer, a signal line formed of a second metal layer, a metal wiring formed of a third metal layer. A terminal portion of the display device includes a first metal portion formed of the second metal layer, and a second metal portion that is laminated on the first metal portion and formed of the third metal layer. The second metal portion covers an upper surface and a side surface of the first metal portion, and a peripheral portion of the second metal portion is covered by an organic insulating film, and the inside of the peripheral portion of the second metal portion is exposed via a first through hole formed in the organic insulating film.

公开(公告)号：US12210258B2

公开(公告)日：2025-01-28

申请号：US18666912

申请日：2024-05-17

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1368 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a switching element, a common electrode, an insulating film covering the common electrode, a first pixel electrode electrically connected to the switching element in a first contact hole penetrating the insulating film, and a transparent conductive film electrically connected to the common electrode in a second contact hole penetrating the insulating film. The first pixel electrode and the transparent conductive film are arranged in a first direction in a same layer. A size of the first contact hole and a size of the second contact hole are different from each other in planar view.

公开(公告)号：US11609458B2

公开(公告)日：2023-03-21

申请号：US17846020

申请日：2022-06-22

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a first drain electrode, a first insulating film which is organic, a first metal electrode in contact with the first drain electrode in a first through-hole of the first insulating film, a second insulating film which is organic, a first transparent electrode in contact with the first metal electrode in a second through-hole of the second insulating film and formed of a transparent conductive material, a third insulating film which is inorganic, a pixel electrode in contact with the first transparent electrode in a third through-hole of the third insulating film and a metal wire located between the first insulating film and the second insulating film and formed of a material identical to that of the first metal electrode.

公开(公告)号：US10437108B2

公开(公告)日：2019-10-08

申请号：US15710208

申请日：2017-09-20

Applicant: Japan Display Inc.

Inventor： Masato Shimura ,  Tomoya Sugano ,  Masato Ai ,  Tomonori Nishino ,  Satoshi Hashimoto ,  Hideki Shiina

IPC: G02F1/1339 ,  G02F1/1337

Abstract: To improve the reliability of a liquid crystal display device, a liquid crystal display device includes a first substrate a second substrate opposing the first substrate, a liquid crystal layer arranged between the first and second substrates, and a sealing section arranged around the liquid crystal layer. The sealing section includes a member arranged around the liquid crystal layer and extending along an outer edge of the liquid crystal layer in a plan view and a sealing material arranged on both adjacent sides of the member and continuously surrounding a periphery of the liquid crystal layer in a plan view. Further, the first substrate has an oriented film formed on a back surface and a part of the sealing material overlaps a peripheral edge of the oriented film in a thickness direction on a side of the liquid crystal layer of the member.

公开(公告)号：US11815773B2

公开(公告)日：2023-11-14

申请号：US17181278

申请日：2021-02-22

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1362 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/136286 ,  G02F1/1368 ,  G02F1/136209 ,  G02F1/136222 ,  H01L27/1244

Abstract: A display device has a frame region in a displaying region. The frame region includes a first scan line, and a first signal line and a second signal line adjacent to each other. The first signal line has a first wide section, and the first signal line intersects the first scan line at the first wide section in plan view. The first scan line has a second wide section. The second signal line has a pair of third wide sections, and the second signal line intersects the second wide section of the first scan line at the pair of third wide sections in plan view. The first wide section of the first signal line is opposite to the second signal line between the pair of third wide sections without being opposite to the pair of third wide sections.

公开(公告)号：US11300836B2

公开(公告)日：2022-04-12

申请号：US17142326

申请日：2021-01-06

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

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

Abstract: A display device includes a first substrate having a pad, a second substrate having a shield conductive layer, and a conductor connected to the pad and the shield conductive layer. The first substrate includes a first wiring provided under the pad and the pad includes an organic insulation film provided so as to cover the first wiring and a transparent conductive film provided over the organic insulation film. The transparent conductive film includes a first transparent conductive film provided over the organic insulation film and a second transparent conductive film connected to the first transparent conductive film. The first transparent conductive film is provided so as to avoid an upper part of the first wiring in a plan view and the second transparent conductive film is provided so as to cover the first wiring and the first transparent conductive film in a plan view.

公开(公告)号：US10578936B2

公开(公告)日：2020-03-03

申请号：US16051535

申请日：2018-08-01

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1362 ,  G06F3/041 ,  G02F1/1343

Abstract: The purpose is to realize a high definition liquid crystal display device having touch panel function. The concrete structure is: The first substrate comprising; a plurality of scanning lines and a plurality of video signal lines, a semiconductor layer, a pixel electrode, a common electrode formed in plural pixels in common, a through hole to connect the semiconductor layer and the pixel electrode, a plurality of common metal wirings, which are formed on the common electrode and formed along the video signal lines; wherein the common electrode has a slit extending in the same direction as the scanning line extends, a bridge wiring is formed over the common metal wiring interposed by an insulating film at the place where the common metal wiring and the slit cross to each other, the common metal wiring and the bridge wiring are electrically connected to the common electrode near the edges of the slit.

公开(公告)号：US10451926B2

公开(公告)日：2019-10-22

申请号：US15412514

申请日：2017-01-23

Applicant: Japan Display Inc.

Inventor： Junko Nagasawa ,  Hideki Shiina

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1341 ,  G02F1/1368 ,  G02F1/1343

Abstract: A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal sandwiched between the substrates, and a display region. A hole portion is formed in the display region. A first seal portion is formed to surround the display region. A second seal portion is formed to surround the hole portion. The first and the second seal portions seal the liquid crystal. The second seal portion has a first end portion on the liquid crystal side and a second end portion on the opposite side of the liquid crystal side. A sealing material is present in the first end portion. A sealing material is present in the second end portion. A wall-like spacer is formed between the first and the second end portions to surround the hole portion. The wall-like spacer defines the gap between the first and the second substrates.

公开(公告)号：US09448442B2

公开(公告)日：2016-09-20

申请号：US14620746

申请日：2015-02-12

Applicant: Japan Display Inc.

Inventor： Hideki Shiina

IPC: G02F1/1339 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/13394 ,  G02F1/133308 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/13396 ,  G02F2001/13398 ,  G02F2201/121 ,  G02F2201/123

Abstract: To improve the reliability of a display device, a liquid crystal display device includes a substrate having a back surface, a substrate having a front surface opposing the back surface, a display functional layer arranged between the substrate and the substrate, and a sealing section SL that adhesively fixes the substrates around the display functional layer in a plan view. The sealing section SL includes a member PS extending along an outer edge of the display functional layer and sealing materials adjacently arranged on both sides of the member PS and continuously surrounding the periphery of the display functional layer in a plan view. The member PS includes a plurality of portions PS1 having a height TK1 and a plurality of portions PS2 arranged among the plurality of portions PS1 and having a height TK2 smaller than the height TK1.

Abstract translation: 为了提高显示装置的可靠性，液晶显示装置包括具有背面的基板，具有与背面相对的正面的基板，配置在基板和基板之间的显示功能层，以及密封部SL 在平面图中将显示器功能层周围的基板粘接固定。 密封部SL包括沿着显示功能层的外缘延伸的构件PS和相邻地配置在构件PS的两侧的密封材料，并且在俯视图中连续地围绕显示功能层的周边。 构件PS包括具有高度TK1的多个部分PS1和布置在多个部分PS1中的多个部分PS2，并且具有小于高度TK1的高度TK2。