公开(公告)号：US20170193941A1

公开(公告)日：2017-07-06

申请号：US15463403

申请日：2017-03-20

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G06F3/044 ,  G09G3/3614 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2230/00 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/08

Abstract: According to an aspect, a display device includes: a plurality of pixels aligned in row and column directions, each of the pixels including a drive element; a plurality of scan lines each coupled with the drive elements included in the pixels aligned in the row direction to transmit thereto a scan signal for selecting the pixels row by row; a plurality of signal lines each coupled with the drive elements included in the pixels aligned in the column direction to write display data; and a display control unit. The display control unit alternately repeats a display period and a stop period. In a latter term of the stop period, display control unit provides the display data written in the respective pixels in a row that has been selected during the display period immediately before the stop period, to the signal lines corresponding to the respective pixels.

公开(公告)号：US20160370930A1

公开(公告)日：2016-12-22

申请号：US15172266

申请日：2016-06-03

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI ,  Daisuke ITO ,  Takafumi SUZUKI

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04101

Abstract: A display device includes a plurality of pixel electrodes, a plurality of drive electrodes and a touch detection electrode. A display function layer is controlled by a voltage generated between the plurality of pixel electrodes and the plurality of drive electrodes in a display period, and touch detection is performed by detecting a voltage of the touch detection electrode in a touch detection period. In the display period, the plurality of drive electrodes are connected to a first wiring, and in the touch detection period, selected drive electrodes of the plurality of drive electrodes are connected to the first wiring, and the other non-selected drive electrodes of the plurality of drive electrodes are connected to a second wiring.

Abstract translation: 显示装置包括多个像素电极，多个驱动电极和触摸检测电极。 在显示周期中，通过在多个像素电极和多个驱动电极之间产生的电压来控制显示功能层，并且通过在触摸检测周期中检测触摸检测电极的电压来进行触摸检测。 在显示期间，多个驱动电极与第一布线连接，在触摸检测期间，多个驱动电极的选定驱动电极与第一布线连接，而其它未选择的驱动电极 多个驱动电极连接到第二布线。

公开(公告)号：US20160111056A1

公开(公告)日：2016-04-21

申请号：US14985742

申请日：2015-12-31

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G06F3/044 ,  G09G3/3614 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2230/00 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/08

Abstract: According to an aspect, a display device includes: a plurality of pixels aligned in row and column directions, each of the pixels including a drive element; a plurality of scan lines each coupled with the drive elements included in the pixels aligned in the row direction to transmit thereto a scan signal for selecting the pixels row by row; a plurality of signal lines each coupled with the drive elements included in the pixels aligned in the column direction to write display data; and a display control unit. The display control unit alternately repeats a display period and a stop period. In a latter term of the stop period, display control unit provides the display data written in the respective pixels in a row that has been selected during the display period immediately before the stop period, to the signal lines corresponding to the respective pixels.

Abstract translation: 根据一个方面，显示装置包括：沿行和列方向排列的多个像素，每个像素包括驱动元件; 多个扫描线，每个扫描线与包括在行方向上排列的像素中的驱动元件耦合，以向其发送用于逐行选择像素的扫描信号; 多个信号线，每个信号线与包括在列方向上排列的像素中的驱动元件耦合以写入显示数据; 和显示控制单元。 显示控制单元交替地重复显示周期和停止时段。 在停止时段的后一项中，显示控制单元将写入到在停止时段之前的显示周期期间被选择的行中的各个像素中的显示数据提供给对应于各个像素的信号线。

公开(公告)号：US20140240300A1

公开(公告)日：2014-08-28

申请号：US14179903

申请日：2014-02-13

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G09G5/00

CPC classification number: G09G3/3648 ,  G06F3/044 ,  G09G3/3614 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2230/00 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/08

Abstract: According to an aspect, a display device includes: a plurality of pixels aligned in row and column directions, each of the pixels including a drive element; a plurality of scan lines each coupled with the drive elements included in the pixels aligned in the row direction to transmit thereto a scan signal for selecting the pixels row by row; a plurality of signal lines each coupled with the drive elements included in the pixels aligned in the column direction to write display data; and a display control unit. The display control unit alternately repeats a display period and a stop period. In a latter term of the stop period, display control unit provides the display data written in the respective pixels in a row that has been selected during the display period immediately before the stop period, to the signal lines corresponding to the respective pixels.

Abstract translation: 根据一个方面，显示装置包括：沿行和列方向排列的多个像素，每个像素包括驱动元件; 多个扫描线，每个扫描线与包括在行方向上排列的像素中的驱动元件耦合，以向其发送用于逐行选择像素的扫描信号; 多个信号线，每个信号线与包括在列方向上排列的像素中的驱动元件耦合以写入显示数据; 和显示控制单元。 显示控制单元交替地重复显示周期和停止时段。 在停止时段的后一项中，显示控制单元将写入到在停止时段之前的显示周期期间被选择的行中的各个像素中的显示数据提供给对应于各个像素的信号线。

公开(公告)号：US20240062733A1

公开(公告)日：2024-02-22

申请号：US18235041

申请日：2023-08-17

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA

IPC: G09G3/36

CPC classification number: G09G3/3655 ,  G09G2300/0426 ,  G09G2330/021 ,  G09G2320/046

Abstract: According to an aspect, a display device includes a pixel, a scanning line, a signal line, and a drive circuit. The drive circuit includes a gate driver, a signal line selection circuit, and a display control circuit. Holding capacitance is provided between a pixel electrode and a common electrode supplied with a common potential lower than a GND potential in a display operation. The display control circuit is configured to, at first time in a power-off sequence, supply a first power supply voltage signal to the scanning line, supply the common potential to the common electrode, and supply the GND potential to the signal line. The display control circuit is configured to supply the GND potential to the scanning line at second time after the first time. The display control circuit is configured to supply the GND potential to the common electrode at third time after the second time.

公开(公告)号：US20230049300A1

公开(公告)日：2023-02-16

申请号：US17880960

申请日：2022-08-04

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA

IPC: G06V40/13 ,  H01L27/146 ,  G09G3/3225 ,  G09G3/3266

Abstract: A detection device includes a plurality of detection elements arranged in a matrix having a row-column configuration in a detection area, a plurality of scan lines each coupled to the detection elements arranged in a first direction, a drive circuit configured to drive the scan lines, a plurality of output signal lines each coupled to the detection elements arranged in a second direction different from the first direction, and a detection circuit configured to be supplied with detection signals from the detection elements through the output signal lines.

公开(公告)号：US20210223615A1

公开(公告)日：2021-07-22

申请号：US17221903

申请日：2021-04-05

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA

IPC: G02F1/1335 ,  G02F1/1345 ,  G09G3/36 ,  H01L27/32

Abstract: A light shielding layer overlapping with a peripheral region of a display device includes extension portions each extending along a Y direction, bent portions located between the extension portions, and another extension portion located between the bent portions. In a region overlapping with the another extension portion, an enable line (first potential supply line), which supplies a potential to a plurality of scanning signal lines via a driving circuit (first driving circuit), goes through a wiring layer (first wiring layer) and another wiring layer (second wiring layer) made of a material having resistivity lower than that of the wiring layer.

公开(公告)号：US20210223598A1

公开(公告)日：2021-07-22

申请号：US17221089

申请日：2021-04-02

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Shunsuke NOICHI ,  Yasayuki TERANISHI ,  Satoshi UCHINO ,  Hayato KURASAWA ,  Yoshiharu NAKAJIMA

IPC: G02F1/1345 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1343 ,  H01L27/12 ,  H01L29/786

Abstract: A display device includes a display region having a plurality of pixels, a driver IC provided in a frame region on an outer side of the display region and configured to drive the pixels, a first power source wiring line and a second power source wiring line each electrically coupled to the driver IC, and a first electrode that is arranged so as to face the first power source wiring line and the second power source wiring line via a first insulating layer, and is electrically coupled to the first power source wiring line.

公开(公告)号：US20210173545A1

公开(公告)日：2021-06-10

申请号：US17182739

申请日：2021-02-23

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Fumitaka GOTOH ,  Gen KOIDE ,  Tadayoshi KATSUTA

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

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.

公开(公告)号：US20200210001A1

公开(公告)日：2020-07-02

申请号：US16815806

申请日：2020-03-11

Applicant: Japan Display Inc.

Inventor： Takeya TAKEUCHI ,  Hiroshi MIZUHASHI ,  Tadayoshi KATSUTA ,  Takehiro SHIMA

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

Abstract: A display device with a touch sensor is provided and includes a substrate; pixel electrodes on the substrate; thin film transistors (TFTs) coupled to the pixel electrodes; touch sensor electrodes arranged opposite to the pixel electrodes; a gate buffer coupled to the TFTs; a first switch coupled to the gate buffer; first-L and first-H lines coupled to the first switch; a second line coupled to the gate buffer; and a drive control circuit applying a drive signal to the touch sensor electrodes, wherein a signal supplied to the TFTs is one of a pulse wave signal and a signal in which different three potentials are switched at given timings, wherein three potentials include a first potential supplied through the first-L line, a second potential supplied through the second line, and a third potential supplied through first-H line, wherein the first switch switches to couple the gate buffer with first-L line and first-H line in synchronization with the drive signal in which a first and second common potential are repeated, such that the TFT circuits are supplied with the pulse wave signal in which first and third potential are repeated, and wherein the third potential is greater than the first potential and less than the second potential.