公开(公告)号：US10558096B2

公开(公告)日：2020-02-11

申请号：US15660482

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Nobuyuki Ishige

IPC: G02F1/1345 ,  G02F1/1333

Abstract: A circuit section of a display device is provided with a display element section on which a plurality of display elements are arranged at positions overlapped with a display region on which a display functional layer is formed, an input section for transmitting a signal for driving the display functional layer to the display element section and a lead-out wiring section for electrically connecting the display element section to the input section. Moreover, the lead-out wiring section is provided with a plurality of stacked wiring layers, and the plurality of wiring layers include a first wiring layer on which a plurality of first wirings having a first wiring width and a second wiring layer on which a plurality of second wirings having a first wiring width that is narrower than the first wiring width are formed.

公开(公告)号：US10297621B2

公开(公告)日：2019-05-21

申请号：US16040141

申请日：2018-07-19

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Masaki Murase ,  Nobuyuki Ishige

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1368

Abstract: In a transistor substrate of a display device, a plurality of signal lines to which any one of drive signals of a gate signal and a video signal is supplied include a plurality of first signal lines to which the drive signal is supplied. The first signal line is connected to a driving driver, and is formed in an edge region positioned between an end portion of a substrate and a pixel region and in the pixel region. The first signal line is formed to pass through a first wiring formed in a first layer from a second wiring formed in a second layer in the edge region.

公开(公告)号：US09954013B2

公开(公告)日：2018-04-24

申请号：US15089160

申请日：2016-04-01

Applicant: Japan Display Inc.

Inventor： Tomonori Nishino ,  Syou Yanagisawa ,  Kentaro Agata ,  Nobuyuki Ishige

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

CPC classification number: H01L27/1244 ,  G02F1/13452 ,  G02F1/13458 ,  G02F1/136204 ,  G02F1/136227

Abstract: This invention aims at reducing the probability of short-circuiting between terminals in a display device in which an IC driver is connected by COG. Terminals for connection with the IC driver are formed in a terminal region of a TFT substrate (100). The terminals are each comprised of a terminal metal (60), a first through-bole formed in a first insulation film (107), a second through-hole formed in a second insulation film (109), a first ITO (20) formed in the first through-hole and being in contact with the terminal metal (60), and a second ITO (30) formed over the first ITO (20). The second ITO (30) is formed within an area where the second ITO is in contact with the first ITO but is not formed outside the second through-hole. This ensures that the distance between the ITOs of the adjacent terminals can be enlarged, whereby the probability of short-circuiting between the terminals can be lowered.

公开(公告)号：US09664932B2

公开(公告)日：2017-05-30

申请号：US15138404

申请日：2016-04-26

Applicant: Japan Display Inc.

Inventor： Tomonori Nishino ,  Syou Yanagisawa ,  Kentaro Agata ,  Nobuyuki Ishige

IPC: G02F1/1345 ,  G02F1/13 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1309 ,  G02F1/133514 ,  G02F1/134336 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/1345 ,  G02F1/13452 ,  G02F1/13454 ,  G02F1/13458 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136254 ,  G02F2201/123 ,  G02F2202/99 ,  G02F2203/69

Abstract: An object of the present invention is to protect exposed inspection pads with a conductive tape when the application of resin is ceased and to enhance the reliability of the inspection pads. A liquid crystal display device is provided with a transparent electrode formed on a superficial side of a CF board, a grounded electrode, an inspection pad and a switching device between the inspection pad and a signal line or a scanning line respectively formed in a terminal area a TFT board and a conductive tape that electrically connects the transparent electrode of the CF board, the grounded electrode and the inspection pad respectively of the TFT board.

公开(公告)号：US20160097949A1

公开(公告)日：2016-04-07

申请号：US14966106

申请日：2015-12-11

Applicant: JAPAN DISPLAY INC.

Inventor： Tomonori Nishino ,  Syou Yanagisawa ,  Masanari Saitou ,  Yoshinori Aoki ,  Nobuyuki Ishige

IPC: G02F1/1345

CPC classification number: G02F1/13452 ,  G02F1/1345

Abstract: A display device includes lead lines that extend from a display area, and electrically connect video signal lines or scanning signal lines within a display area, and a driver circuit or a terminal portion that receives an output from the driver circuit; an insulating film that is formed in an upper layer of the lead lines and covers the lead lines; and a conductive film that is formed in an upper layer of the insulating film. The lead lines include a plurality of first lead lines that start from the driver circuit or the terminal portion, and arrive at the scanning signal lines or the video signal lines, and a plurality of second lead lines that are smaller in wiring resistance than the first lead lines. At least the first lead lines overlap with the conductive film through the insulating film.