公开(公告)号：US20150054781A1

公开(公告)日：2015-02-26

申请号：US14463710

申请日：2014-08-20

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Takahiro OCHIAI ,  Yoshinori AOKI ,  Hideo SATO

IPC: G06F3/044 ,  G09G5/18

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G09G3/20 ,  G09G2230/00 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/062 ,  G09G2310/063

Abstract: A display device with a touch panel includes: a plurality of scanning signal lines, which are aligned in a rectangular display region and in parallel with a side of the rectangular display region, to which an active potential as a potential for making a pixel transistor conductive is applied; drive pulse output circuits which sequentially apply the active potential to the scanning signal lines in the display region; a clock signal output circuit which applies a first clock signal as a clock signal for the drive pulse output circuits to a first clock signal line and stops the application of the first clock signal to the first clock signal line for a stop period during which the sequential application of the active potential is stopped in the middle thereof; and a touch panel control unit which detects contact with a display surface during the stop period.

Abstract translation: 具有触摸面板的显示装置包括：多个扫描信号线，其在矩形显示区域中排列并与矩形显示区域的一侧平行，作为用于使像素晶体管导通的电位的有源电位 被申请;被应用; 驱动脉冲输出电路，其将有效电位依次施加到显示区域中的扫描信号线; 时钟信号输出电路，其将第一时钟信号作为驱动脉冲输出电路的时钟信号施加到第一时钟信号线，并且停止将第一时钟信号施加到第一时钟信号线用于停止时段，在该停止时段期间， 在其中间停止施加有效电位; 以及触摸面板控制单元，其在停止期间检测与显示表面的接触。

公开(公告)号：US20240361640A1

公开(公告)日：2024-10-31

申请号：US18768537

申请日：2024-07-10

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: 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：US20230144061A1

公开(公告)日：2023-05-11

申请号：US18092482

申请日：2023-01-03

Applicant: Japan Display Inc.

Inventor： Masateru MORIMOTO ,  Saori SUGIYAMA ,  Motoharu MIYAMOTO

IPC: G02F1/1339 ,  G02F1/1362

CPC classification number: G02F1/13394 ,  G02F1/136286 ,  G02F1/134372

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：US20220350182A1

公开(公告)日：2022-11-03

申请号：US17866786

申请日：2022-07-18

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Tomokazu ISHIKAWA

IPC: G02F1/1339 ,  G02F1/1362

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：US20190157304A1

公开(公告)日：2019-05-23

申请号：US16181854

申请日：2018-11-06

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Yoshinori AOKI

IPC: H01L27/12

CPC classification number: H01L27/124 ,  G09G3/3266 ,  H01L27/1244 ,  H01L27/1248

Abstract: According to one embodiment, a display device includes a switching element including a drain electrode, a first insulating film including a first through-hole penetrated to the drain electrode, and being formed of an organic insulating material, a first connection electrode which is in contact with the drain electrode at the first through-hole, and is formed of a metal material, a second insulating film which is located on the first insulating film, is formed of an organic insulating material, and includes a second through-hole penetrated to the first connection electrode, and a pixel electrode electrically connected to the first connection electrode.

公开(公告)号：US20190155114A1

公开(公告)日：2019-05-23

申请号：US16252232

申请日：2019-01-18

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Atsuhiro Katayama

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

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：US20190114986A1

公开(公告)日：2019-04-18

申请号：US16217122

申请日：2018-12-12

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Takahiro OCHIAI

IPC: G09G3/36 ,  G02F1/133 ,  G09G3/20 ,  G02F1/1345

Abstract: A circuit block of a driving circuit of a display device includes a first transistor that has a gate being connected to a first node having an active potential during an output period, and controls electrical conduction between a first clock signal line being applied with a first clock signal and the scanning signal line, a second transistor that has a gate being connected to a second node having an active potential during a non-output period, and controls electrical conduction between the first node and an inactive potential line, and a third transistor that has a gate being connected to the first node, and controls electrical conduction between the second node and a first cyclic signal line applied with a first period signal having an active potential at the time of termination of the output period.

公开(公告)号：US20170261822A1

公开(公告)日：2017-09-14

申请号：US15605409

申请日：2017-05-25

Applicant: Japan Display Inc.

Inventor： Motoharu MIYAMOTO ,  Atsuhiro KATAYAMA

IPC: G02F1/1362 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1343 ,  H01L27/12 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1339 ,  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：US20160154285A1

公开(公告)日：2016-06-02

申请号：US15040409

申请日：2016-02-10

Applicant: Japan Display Inc.

Inventor： Takahiro OCHIAI ,  Masaki NISHIKAWA ,  Motoharu MIYAMOTO

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/136204 ,  G02F1/13306 ,  G02F1/133345 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/134336 ,  G02F1/1345 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133368

Abstract: A liquid crystal display device having an alignment layer stopper which is formed external to a display area to suppress the generation of an electric field between signal lines and the alignment layer stopper, wherein the alignment layer stopper includes a second conductive layer SP formed above the first substrate when the alignment layer stopper is formed by coating and a first conductive layer SH formed below the second conductive layer SP through an insulating film and arranged in such a manner that its marginal parts in the longitudinal direction of the second conductive layer SP are exposed when viewed from the plane direction from the second conductive layer SP, and the first conductive layer SH is formed in a thin film layer between signal lines arranged in the side parts of the display area and the second conductive layer SP.

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。