公开(公告)号：US11754897B2

公开(公告)日：2023-09-12

申请号：US17841971

申请日：2022-06-16

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1335 ,  G02F1/1343 ,  H01L29/786 ,  G02F1/136

CPC classification number: G02F1/136286 ,  G02F1/1368 ,  G02F1/133514 ,  G02F1/134336 ,  G02F1/13606 ,  G02F2201/40 ,  H01L29/78645 ,  H01L29/78696

Abstract: A liquid crystal display is provided and includes first and second substrates and liquid crystal layer therebetween; pixel electrode on first substrate; pedestal metal coupled to pixel electrode; semiconductor layer substantially U-shaped and coupled to pedestal metal at first coupling portion; scan line that extends in first direction and in layer different from semiconductor layer; signal line that extends in second direction different from first direction so as to three-dimensionally cross scan line, signal line being coupled to semiconductor layer at second coupling portion; and extending portion that is part of scan line and that protrudes from scan line, the extending portion extending along signal line, wherein: in first direction along a shorter side of each pixel unit, extending portion is adjacent to pedestal metal; and in second direction along a longer side of each pixel unit, length of extending portion is smaller than length of pedestal metal.

公开(公告)号：US11686983B2

公开(公告)日：2023-06-27

申请号：US17899109

申请日：2022-08-30

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1345 ,  G02F1/1362 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  H01L27/12 ,  G02F1/1368 ,  H01L29/786 ,  H10K59/40 ,  H10K59/131 ,  H10K59/121

CPC classification number: G02F1/13454 ,  G02F1/1368 ,  G02F1/13338 ,  G02F1/136286 ,  G06F3/0443 ,  G06F3/04164 ,  G06F3/04166 ,  H01L27/124 ,  H01L27/1222 ,  G06F2203/04101 ,  G06F2203/04102 ,  G06F2203/04107 ,  H01L29/78696 ,  H10K59/1213 ,  H10K59/131 ,  H10K59/1315 ,  H10K59/40

Abstract: A display device is provided and includes display unit comprising common electrodes two dimensionally arrayed on substrate, drive signal lines configured to transmit drive signals for touch detection to common electrodes, and switch circuit comprising transistors connected to drive signal lines to select at least one common electrode; flexible substrate connected to substrate; pads at connections of flexible substrate and substrate; and touch detection circuit configured to transmit drive signals to common electrodes, wherein: transistors comprises: first transistor connected to first electrode of common electrodes via first wiring of first length; and second transistor connected to second electrode of common electrodes via second wiring of second length; channel width of first transistor is narrower than channel width of second transistor; drive signal lines are respectively connected to pads separated at two or more positions.

公开(公告)号：US11675451B2

公开(公告)日：2023-06-13

申请号：US17357098

申请日：2021-06-24

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G06F3/044 ,  G06F3/04164 ,  G02F1/13338 ,  G09G3/3614 ,  G09G2300/0452

Abstract: A display device includes a plurality of first sub-pixels configured to display red, a plurality of second sub-pixels configured to display green, a plurality of third sub-pixels configured to display blue, and a plurality of fourth sub-pixels configured to display white, a first signal line coupled to the first sub-pixels, a second signal line coupled to the second sub-pixels, and a third signal line coupled to the third sub-pixels and the fourth sub-pixels, a plurality of detection electrodes arrayed in a matrix (row-column configuration) and each provided overlapping the first sub-pixels, the second sub-pixels, the third sub-pixels, and the fourth sub-pixels, and a plurality of signal supply wires coupled to the respective detection electrodes. The signal supply wires are each provided overlapping at least one of the first signal line and the second signal line and not overlapping the third signal line.

公开(公告)号：US11580768B2

公开(公告)日：2023-02-14

申请号：US17219252

申请日：2021-03-31

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Gen Koide ,  Hayato Kurasawa ,  Toshio Soya ,  Fumitaka Gotoh

IPC: G06V40/13 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  H05K1/02 ,  G02F1/1368

Abstract: A sensor is provided and includes a first control line; a first signal line; a first auxiliary line; a first detection electrode; a first detection switch connected to the first detection electrode, the first control line and the first signal line; and a first shielding electrode connected to the first auxiliary line, wherein the first shielding electrode is located to overlap the first signal line via an insulating film.

公开(公告)号：US20220244591A1

公开(公告)日：2022-08-04

申请号：US17726633

申请日：2022-04-22

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Hiroyuki Abe ,  Kazune Matsumura

IPC: G02F1/1345 ,  G02F1/1362

Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.

公开(公告)号：US11360596B2

公开(公告)日：2022-06-14

申请号：US17073403

申请日：2020-10-19

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20 ,  G09G3/36 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362

Abstract: According to an aspect, a display device includes a display panel provided with a display region including a plurality of pixels and with a plurality of detection electrodes. The display panel includes: a plurality of lines of first common wiring configured to transmit pixel signals to be supplied to the pixels and a detection input/output signal to be supplied to the detection electrodes; pixel signal wiring electrically coupled to the pixels; detection electrode wiring electrically coupled to the detection electrodes; a first switching circuit configured to electrically couple or uncouple the first common wiring to or from the pixel signal wiring; and a second switching circuit configured to electrically couple or uncouple the first common wiring to or from the detection electrode wiring.

公开(公告)号：US11335841B2

公开(公告)日：2022-05-17

申请号：US17001703

申请日：2020-08-25

Applicant: Japan Display Inc.

Inventor： Yasuhiro Kanaya ,  Gen Koide

IPC: H01L33/60 ,  H01L33/62 ,  H01L27/15 ,  G09F9/33

Abstract: An LED module includes a first metal layer disposed on a base surface and an LED chip disposed on the first metal layer. The first metal layer includes a first end portion forming a contour away from the base surface, and a curved portion between a region overlapping the LED chip and the first end portion.

公开(公告)号：US11327374B2

公开(公告)日：2022-05-10

申请号：US17123434

申请日：2020-12-16

Applicant: Japan Display Inc.

Inventor： Masataka Ikeda ,  Gen Koide

IPC: G02F1/1345 ,  G02F1/1362

Abstract: A display device includes a first direction, a plurality of pixels arranged in a second direction intersecting the first direction, at least one scanning signal line connected to the plurality of pixels, a scanning signal line driving circuit connected to the scanning line, the scanning signal line driving circuit includes a switch for outputting a signal to the scanning signal line, a first power supply line for providing a first voltage to the switch, a second power supply line for providing a second voltage smaller than the first voltage to the switch, and the switch is provided between the first power supply line and the second power supply line, a line width of the second power supply line is 4 times the line width of the first power supply line or more and 40 times the line width of the first power supply line or less.

公开(公告)号：US11022851B2

公开(公告)日：2021-06-01

申请号：US16854436

申请日：2020-04-21

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1345 ,  H01L27/12 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L29/786

Abstract: A display device is provided and includes substrate; first and second common electrodes arranged on the substrate; pixel electrodes arranged over first and second common electrodes; insulating layer arranged between pixel, first common, and second common electrodes; first line having first and second terminals, first terminal connected to first common electrode; second line having first and second terminals, first terminal connected to second common electrode; first transistor connected to second terminal of first line; and second transistor connected to second terminal of the second line, wherein first and second common and pixel electrodes are arranged in display area, first and second transistor are arranged outside display area, second line is longer than first line, and channel width of first transistor is smaller than channel width of second transistor.

公开(公告)号：US10948793B2

公开(公告)日：2021-03-16

申请号：US16810322

申请日：2020-03-05

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1335 ,  G02F1/1343 ,  H01L29/786 ,  G02F1/136

Abstract: A display device is provided and includes a first substrate; a scan line extending in a first direction in a lengthwise direction of the scan line based on an overall shape of the scan line, on the first substrate; first and second pixel electrodes adjacent to each other in a second direction crossing the first direction, on the first substrate; first and second signal lines each extending in the second direction; and a thin film transistor that extends along the scan line and the first signal line and that is coupled to the scan line, the first signal line, and the first pixel electrode, wherein the first and second pixel electrodes are disposed between the first and second signal lines, the scan line is disposed between the first and second pixel electrodes, the scan line includes: a main portion; a first extending portion; and a second extending portion, and a distance in the second direction to the second pixel electrode from a main portion edge is shorter than each of distances in the second direction to the second pixel electrode from the first edge and from the second edge.