公开(公告)号：US20140218654A1

公开(公告)日：2014-08-07

申请号：US14168062

申请日：2014-01-30

Applicant: Japan Display Inc.

Inventor： Takahiro OCHIAI ,  Motoharu MIYAMOTO ,  Masahiro HOSHIBA

IPC: G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136209 ,  G02F1/133512 ,  G02F1/13454 ,  G02F1/136227 ,  G02F1/1368 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0809 ,  G09G2310/0202 ,  H01L27/1222 ,  H01L27/124 ,  H01L29/78609 ,  H01L29/78633 ,  H01L29/78669

Abstract: A liquid crystal display device is provided with a thin film transistor which includes a gate electrode film that is provided in a first electrode layer located over a first insulating layer, a semiconductor film that is disposed over the gate electrode film via a second insulating layer, a drain electrode and a source electrode that are provided in a second electrode layer located over the semiconductor film and are in contact with an upper surface of the semiconductor film, and a light blocking film that is disposed under the first insulating layer. At least a part thereof overlaps the semiconductor film and the gate electrode film in a plan view. One of the drain electrode and the source electrode is connected to a gate line, and the light blocking film is electrically connected to the source electrode.

Abstract translation: 液晶显示装置设置有薄膜晶体管，该薄膜晶体管包括设置在位于第一绝缘层上的第一电极层中的栅极电极膜，经由第二绝缘层设置在栅电极膜上的半导体膜， 漏电极和源极，设置在位于所述半导体膜上方并与所述半导体膜的上表面接触的第二电极层中，以及设置在所述第一绝缘层下方的遮光膜。 其至少一部分在平面图中与半导体膜和栅电极膜重叠。 漏电极和源电极之一连接到栅极线，并且遮光膜与源电极电连接。

公开(公告)号：US20230015544A1

公开(公告)日：2023-01-19

申请号：US17953394

申请日：2022-09-27

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1339

Abstract: The liquid crystal display device includes: a TFT substrate including scanning lines extending in a first direction and being arranged in a second direction, video signal lines extending in the second direction and being arranged in the first direction, pixel electrodes arranged in regions surrounded by the scanning lines and the video signal lines, and common electrodes formed with an insulating film arranged between the common electrodes and the pixel electrodes; a counter substrate opposed to the TFT substrate; and a liquid crystal. The first common electrode extends between the first and second scanning lines in the first direction, and the second common electrode extends between the second and third scanning lines in the first direction. The first and second common electrodes are electrically connected by a bridge. The bridge covers the first video signal line without covering the second video signal line, when seen in a plan view.

公开(公告)号：US20220137444A1

公开(公告)日：2022-05-05

申请号：US17579639

申请日：2022-01-20

Applicant: Japan Display Inc.

Inventor： Masateru MORIMOTO ,  Saori SUGIYAMA ,  Motoharu MIYAMOTO

IPC: G02F1/1339 ,  G02F1/1362

Abstract: The displacement between a TFT substrate and a counter substrate and the cut of an alignment film caused by a columnar spacer are prevented. A liquid crystal display device includes: a TFT substrate including a scanning line extending in a first direction, a picture signal line extending in a second direction, a pixel electrode formed in a region surrounded by the scanning line and the picture signal line, and a common electrode formed as opposed to the pixel electrode through an insulating film; a counter substrate disposed as opposed to the TFT substrate and having a spacer; and a liquid crystal sandwiched between the substrates. A common metal interconnection is formed to cover the picture signal line or the scanning line, and stacked on the common electrode. A through hole is formed on the common metal interconnection. The tip end of the spacer is disposed inside the through hole.

公开(公告)号：US20210382358A1

公开(公告)日：2021-12-09

申请号：US17408590

申请日：2021-08-23

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1339

Abstract: The liquid crystal display device includes: a TFT substrate including scanning lines extending in a first direction and being arranged in a second direction, video signal lines extending in the second direction and being arranged in the first direction, pixel electrodes arranged in regions surrounded by the scanning lines and the video signal lines, and common electrodes formed with an insulating film arranged between the common electrodes and the pixel electrodes; a counter substrate opposed to the TFT substrate; and a liquid crystal. The first common electrode extends between the first and second scanning lines in the first direction, and the second common electrode extends between the second and third scanning lines in the first direction. The first and second common electrodes are electrically connected by a bridge. The bridge covers the first video signal line without covering the second video signal line, when seen in a plan view.

公开(公告)号：US20210124196A1

公开(公告)日：2021-04-29

申请号：US17142839

申请日：2021-01-06

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Tomokazu ISHIKAWA

IPC: G02F1/1339 ,  G02F1/1362

Abstract: A display device comprising: an array substrate; a counter substrate provided with color filters; and a liquid crystal layer between the array substrate and the counter substrate; wherein one surface of the array substrate includes a plurality of signal lines arranged side by side in a first direction with a gap interposed therebetween, a plurality of scanning lines arranged side by side in a second direction with a gap interposed therebetween, a first organic insulating film provided on the signal lines, and a second organic insulating film provided on the first organic insulating film; and each region surrounded by the corresponding scanning line and the corresponding signal line includes a semiconductor layer, a first contact conductive layer, a second contact conductive layer, and a first electrode.

公开(公告)号：US20190064612A1

公开(公告)日：2019-02-28

申请号：US16176088

申请日：2018-10-31

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO

IPC: G02F1/1343 ,  G02F1/1362

Abstract: The liquid crystal display device includes: a TFT substrate including scanning lines extending in a first direction and being arranged in a second direction, video signal lines extending in the second direction and being arranged in the first direction, pixel electrodes arranged in regions surrounded by the scanning lines and the video signal lines, and common electrodes formed with an insulating film arranged between the common electrodes and the pixel electrodes; a counter substrate opposed to the TFT substrate; and a liquid crystal. The first common electrode extends between the first and second scanning lines in the first direction, and the second common electrode extends between the second and third scanning lines in the first direction. The first and second common electrodes are electrically connected by a bridge. The bridge covers the first video signal line without covering the second video signal line, when seen in a plan view.

公开(公告)号：US20180101076A1

公开(公告)日：2018-04-12

申请号：US15834388

申请日：2017-12-07

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Teppei Yamada ,  Yasuhiro Kanaya

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

CPC classification number: G02F1/136227 ,  G02F1/1362 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1251

Abstract: A display device is provided with a pixel and a dummy pixel including a gate line and a signal line. The dummy pixel includes the gate line and a dummy semiconductor layer crossing the gate line through an insulating layer. The dummy semiconductor layer is electrically separated from the dummy semiconductor layer of the dummy pixel adjacent in the Y direction dummy pixel. The dummy pixel further includes a dummy signal line extending in the Y direction. The dummy signal line is connected to the dummy semiconductor layer through a plurality of contact holes. The contact holes are arranged with the gate line interposed between them in plan view.

公开(公告)号：US20180046012A1

公开(公告)日：2018-02-15

申请号：US15668747

申请日：2017-08-04

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Hidetatsu NAKAMURA ,  Yasuhiro KANAYA ,  Yasushi NAKANO ,  Yasuhito ARUGA

IPC: G02F1/1345 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1362

CPC classification number: G02F1/13452 ,  G02F1/133345 ,  G02F1/133707 ,  G02F1/13439 ,  G02F1/13458 ,  G02F1/1362 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2202/16

Abstract: A terminal structure that keeps the resistance of its connecting portion small and secures mechanical reliability is to be achieved. A display device includes a display region and a terminal region. A terminal formed in the terminal region is formed with a terminal metal, a first oxide conductive film covering the end portion of the terminal metal, and a second oxide conductive film covering the first oxide conductive film and the terminal metal. The first oxide conductive film has an opening in the center part of the terminal.

公开(公告)号：US20170090256A1

公开(公告)日：2017-03-30

申请号：US15237011

申请日：2016-08-15

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Atsuhiro KATAYAMA

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/136204 ,  G02F1/13306 ,  G02F1/133308 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/13378 ,  G02F1/1339 ,  G02F1/134336 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133388 ,  G02F2001/133519 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2203/04 ,  H01L27/1222 ,  H01L27/124

Abstract: A liquid crystal display device includes a TFT substrate and a counter substrate with liquid crystal sandwiched therebetween. The TFT substrate has scanning lines 10 extending in a first direction and arrayed in a second direction and video signal lines 20 extending in the second direction and arrayed in the first direction. The TFT substrate has a display area 500 in which TFT pixels are arrayed in a matrix pattern, and a frame area 600 surrounding the display area. In the frame area 600, common bus wires 521 are formed in the same layer and with the same material as the video signal lines 20 and are impressed with a common voltage. Dummy TFTs are formed in a layer under the common bus wires 521. The scanning lines 10, extending over the frame area 600, are divided outside the display area and are interconnected by bridging wires 170.

公开(公告)号：US20160071884A1

公开(公告)日：2016-03-10

申请号：US14844464

申请日：2015-09-03

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Teppei YAMADA ,  Yasuhiro KANAYA

IPC: H01L27/12

CPC classification number: G02F1/136227 ,  G02F1/1362 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1251

Abstract: A display device is provided with a pixel and a dummy pixel including a gate line and a signal line. The dummy pixel includes the gate line and a dummy semiconductor layer crossing the gate line through an insulating layer. The dummy semiconductor layer is electrically separated from the dummy semiconductor layer of the dummy pixel adjacent in the Y direction dummy pixel. The dummy pixel further includes a dummy signal line extending in the Y direction. The dummy signal line is connected to the dummy semiconductor layer through a plurality of contact holes. The contact holes are arranged with the gate line interposed between them in plan view.

Abstract translation: 显示装置设置有像素和包括栅极线和信号线的虚拟像素。 虚拟像素包括栅极线和通过绝缘层与栅极线交叉的虚拟半导体层。 虚拟半导体层与在Y方向虚拟像素相邻的虚拟像素的虚拟半导体层电分离。 伪像素还包括在Y方向上延伸的虚拟信号线。 虚拟信号线通过多个接触孔连接到虚拟半导体层。 在平面图中，接触孔配置有插入在它们之间的栅极线。