公开(公告)号：US20190179460A1

公开(公告)日：2019-06-13

申请号：US16274635

申请日：2019-02-13

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Gen KOIDE ,  Tadayoshi KATSUTA

IPC: G06F3/046 ,  G06F3/041 ,  G02F1/1333 ,  G02F1/1362 ,  G06F3/044 ,  G06F3/0354 ,  G06F3/047 ,  G02F1/1343

CPC classification number: G06F3/046 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04106 ,  G06F2203/04108

Abstract: Provided is a touch detection function-equipped display device that can be manufactured while suppressing an increase of price. A display device is provided with a pixel array including a plurality of pixels arranged in a matrix form, and drive electrodes each of which is arranged to extend in a first direction in the pixel array. A drive signal is supplied to a first area in a first drive electrode among the drive electrodes, and a ground voltage is supplied to a second area extending in the first direction with respect to the first area to generate a magnetic field in the first drive electrode according to the drive signal at a time of detecting an external proximity object.

公开(公告)号：US20190012017A1

公开(公告)日：2019-01-10

申请号：US16029709

申请日：2018-07-09

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Tadayoshi KATSUTA

IPC: G06F3/044 ,  G09G3/36 ,  G06F3/046

Abstract: A display device includes first electrodes, second electrodes, lines, and a controller, and includes a substrate, pixel electrodes, a display functional layer, and a common electrode stacked in this order. An insulating layer is between the common electrode and the first and second electrodes. The controller controls the pixel electrodes, the common electrode, the lines, and the first and second electrodes. During a display period, the pixel electrodes are supplied with a pixel signal through the lines, and the common electrode is supplied with a common signal. During a first sensing period, the lines are supplied with a first drive signal to generate a magnetic field. During a second sensing period, the lines are supplied with the first drive signal to generate the magnetic field, and an electromotive force corresponding to a distance between the lines and the first electrodes is generated in the first electrodes by the magnetic field.

公开(公告)号：US20180067357A1

公开(公告)日：2018-03-08

申请号：US15697558

申请日：2017-09-07

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA

IPC: G02F1/1335 ,  H01L27/32

CPC classification number: G02F1/133512 ,  G02F1/1345 ,  G02F1/136286 ,  G02F2201/44 ,  G02F2201/56 ,  H01L27/3295 ,  H01L27/3297

Abstract: A display device includes a display region, a peripheral region outside the display region, a control circuit, driving circuits, a clock line connecting the control circuit to one of the driving circuits and in which a first clock signal is supplied, and another clock line connecting the control circuit to the other of the driving circuits and in which a second clock signal is supplied. A light shielding layer includes extension portions each extending along a Y direction, and bent portions between the extension portions. A length of one of the extension portions is longer than a length of the other of the extension portions. In plan view, one of the bent portions overlaps with one of the clock lines, and the other of the bent portions is located between termination portions of the clock lines.

公开(公告)号：US20180046296A1

公开(公告)日：2018-02-15

申请号：US15672893

申请日：2017-08-09

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA

IPC: G06F3/041 ,  G02F1/1343 ,  G02F1/1333 ,  G06F3/044 ,  G06F3/0354

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G02F1/1343 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/046 ,  G06F2203/04106

Abstract: The input detection device includes: a line having an end to which a driving signal is supplied and extending in a first direction; a plurality of drive electrodes extending in a second direction intersecting the first direction and arranged in parallel in the first direction; a selecting drive circuit selecting the drive electrode from the plurality of drive electrodes and connecting an end of the selected drive electrode to the line; a driving signal circuit supplying the driving signal to the end of the line; and a plurality of line patterns connected to each drive electrode. A line density of line patterns connected to a drive electrode connected to be close to the end of the line is smaller than a line density of line patterns connected to another drive electrode connected to be far from the end of the line.

公开(公告)号：US20170357368A1

公开(公告)日：2017-12-14

申请号：US15619069

申请日：2017-06-09

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G06F3/041 ,  G06F3/046 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/046 ,  G06F2203/04106 ,  G06F2203/04108

Abstract: An input detection device includes a plurality of drive electrodes which are arranged in parallel to each other in plan view, and each of which has a pair of ends. At least one drive electrode among the plurality of drive electrodes is driven such that a first drive state where a first drive voltage is supplied to one end of the drive electrode and a second drive voltage different from the first drive voltage is supplied to the other end of the drive electrode and a second drive state where the second drive voltage is supplied to the one end and the first drive voltage is supplied to the other end temporally alternately occur.

公开(公告)号：US20170285814A1

公开(公告)日：2017-10-05

申请号：US15469657

申请日：2017-03-27

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Koji NOGUCHI ,  Daisuke ITO ,  Yasuyuki TERANISHI

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  G06F3/044 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04107 ,  G06F2203/04108 ,  G09G3/3648 ,  G09G2354/00

Abstract: A performance of a display device having an input device is improved. A display device includes: an electro-optical layer; a first driving electrode and a second driving electrode which drives the electro-optical layer; a driver chip which outputs a video signal; a switch circuit which is arranged outside the driver chip, which selects a potential to be supplied to the second driving electrode, and which includes a first switch element and a second switch element; a shift register circuit connected to the switch circuit; and a detection circuit which detects that an object is close or in contact. Each of the first switch element and the second switch element is selectively turned ON or OFF by the shift register circuit. The detection circuit is electrically connected to the first switch element and the second switch element.

公开(公告)号：US20170212624A1

公开(公告)日：2017-07-27

申请号：US15407511

申请日：2017-01-17

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Toshiaki FUKUSHIMA ,  Naoyuki OBINATA ,  Gen KOIDE

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1345 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/133 ,  G06F3/044 ,  G02F1/1343

Abstract: A display apparatus includes a first pad electrically connected to the drive circuit, a voltage supply line having one end electrically connected to the first pad, a common wire electrically connected to the voltage supply line and the second electrode, a transistor formed between the voltage supply line and the common wire, and a branch wire being a part of the voltage supply line, extending from a branch section, and electrically connected to the first pad. Then, the branch section is located closer to a center of the insulating substrate than the first pad in a plan view.

公开(公告)号：US20170075455A1

公开(公告)日：2017-03-16

申请号：US15341731

申请日：2016-11-02

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04108

Abstract: A display device with a touch detecting function includes wiring for touch arranged in a peripheral area positioned on the outside of a display area, and a selection switch that selects one of drive electrodes to be coupled to the wiring for touch. A drive electrode scanning unit selects one of drive electrodes and includes a plurality of transfer circuits in the peripheral area. Part of the transfer circuits is a transfer circuit that performs output to the selection switch.

Abstract translation: 具有触摸检测功能的显示装置包括布置在位于显示区域外部的外围区域中的触摸布线，以及选择开关，其选择要与触摸的布线耦合的驱动电极中的一个。 驱动电极扫描单元选择驱动电极中的一个并且在周边区域中包括多个传输电路。 传输电路的一部分是向选择开关输出的传输电路。

公开(公告)号：US20170046001A1

公开(公告)日：2017-02-16

申请号：US15340071

申请日：2016-11-01

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Gen KOIDE

IPC: G06F3/041 ,  H01L29/786 ,  G06F3/044 ,  G02F1/1345 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1343 ,  H01L27/12 ,  G02F1/1333

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/134309 ,  G02F1/13452 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136222 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04102 ,  G09G3/3611 ,  G09G3/3674 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/08 ,  G09G2300/0876 ,  G09G2310/0281 ,  G09G2310/0291 ,  G09G2330/04 ,  H01L27/0296 ,  H01L27/1222 ,  H01L27/124 ,  H01L29/78666 ,  H01L29/78675

Abstract: An area of a region arranged on one side out of a display region in a direction in which scanning signal lines extend is reduced. A display apparatus includes: a partial circuit; a plurality of scanning signal lines; and a plurality of scanning signal connection wirings for connecting the partial circuit and each of the plurality of scanning signal lines. Each of the plurality of scanning signal lines extends in an X-axis direction, and is arranged with a pitch in a Y-axis direction. A plurality of ends respectively included in the plurality of scanning signal connection wirings are connected to the partial circuit, and are arranged in the Y-axis direction. A distance in the Y-axis direction between the respective centers of the two ends adjacent to each other is narrower than the pitch.

Abstract translation: 减少扫描信号线延伸的方向上的显示区域的一侧的区域的区域。 一种显示装置，包括：部分电路; 多条扫描信号线; 以及用于连接部分电路和多条扫描信号线中的每一条的多条扫描信号连接布线。 多个扫描信号线中的每一个沿X轴方向延伸，并且以Y轴方向的间距配置。 分别包括在多个扫描信号连接配线中的多个端部连接到部分电路，并且被布置在Y轴方向上。 彼此相邻的两端的各中心之间的Y轴方向的距离比间距窄。

公开(公告)号：US20140210779A1

公开(公告)日：2014-07-31

申请号：US14163094

申请日：2014-01-24

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/0416

Abstract: According to an aspect, a display device with a touch detection function includes: a display area where a plurality of pixel electrodes are arranged; drive electrodes provided so as to face the pixel electrodes; a control device for performing image display control; a touch detection electrode facing the drive electrodes; a touch detection unit for detecting a position of a proximity object; a wiring arranged in a frame area positioned outside the display area; and a plurality of selection switches for selecting the drive electrodes to be coupled to the wiring based on a selection signal of the control device. The control device supplies the display drive voltage and a touch drive signal to the same wiring at different times.

Abstract translation: 根据一方面，具有触摸检测功能的显示装置包括：布置多个像素电极的显示区域; 设置为与像素电极相对的驱动电极; 用于执行图像显示控制的控制装置; 面向驱动电极的触摸检测电极; 用于检测邻近物体的位置的触摸检测单元; 布置在位于显示区域外部的框架区域中的布线; 以及多个选择开关，用于基于控制装置的选择信号选择要耦合到布线的驱动电极。 控制装置在不同时间将显示驱动电压和触摸驱动信号提供给相同的布线。