公开(公告)号：US09753599B2

公开(公告)日：2017-09-05

申请号：US15248239

申请日：2016-08-26

Applicant: Japan Display Inc.

Inventor： Yoshitoshi Kida ,  Koji Noguchi ,  Yasuyuki Teranishi ,  Hiroshi Mizuhashi ,  Kohei Azumi

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0418

Abstract: According to an aspect, a display device with a touch detection function includes a plurality of drive electrodes that face a plurality of pixel electrodes in an orthogonal direction to the surface of the substrate, and extend in a direction parallel to the direction in which a plurality of signal lines extend. The display device with a touch detection function also includes a scan driving unit that applies a touch drive signal to a signal line that faces, in an overlapping manner in the orthogonal direction, a drive electrode to which the touch drive signal is applied.

公开(公告)号：US09746950B2

公开(公告)日：2017-08-29

申请号：US14729515

申请日：2015-06-03

Applicant: Japan Display, Inc.

Inventor： Toshiaki Fukushima ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Gen Koide ,  Tadayoshi Katsuta

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

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G09G3/3655 ,  G09G3/3666 ,  G09G2300/0876 ,  G09G2310/0286

Abstract: A display device includes a sensor, a display panel, and a plurality of electrodes for a touch sensor. The plurality of electrodes include drive electrodes and detection electrodes. The drive electrodes are also used as common electrodes for display, which are provided in the display panel. An image display operation of the display panel and a driving operation of the electrodes for the touch sensor are performed in a time sharing manner. In the driving operation of the electrodes for the touch sensor, a code division multiplexing (CDM) drive is performed in units of successive common electrodes, and a drive signal which synchronizes with the CDM drive is input to all common electrodes other than successive common electrodes subjected to the CDM drive.

公开(公告)号：US20170205928A1

公开(公告)日：2017-07-20

申请号：US15410633

申请日：2017-01-19

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yasushi Nakano ,  Masaki Murase

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04102 ,  G06F2203/04111 ,  G09G3/20 ,  H05K1/147 ,  H05K1/189 ,  H05K3/361

Abstract: According to one embodiment, a sensor-equipped display device includes a first substrate includes a first electrode located in a display area in which an image is displayed, a second substrate includes a second electrode which is located in the display area, and outputs a sensor signal, and a flexible substrate includes a first connection portion connected to the first substrate and a second connection portion connected to the second substrate, the flexible substrate includes a common base layer extending between the first connection portion and the second connection portion.

公开(公告)号：US20170153752A1

公开(公告)日：2017-06-01

申请号：US15359473

申请日：2016-11-22

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi ,  Koji Noguchi ,  Takafumi Suzuki

IPC: G06F3/041 ,  G09G3/36 ,  G02F1/1339 ,  G02F1/137 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1335 ,  G02F1/1343 ,  G06F3/044 ,  G02F1/1333

CPC classification number: G06F3/0416 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/133512 ,  G02F1/13394 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G02F1/137 ,  G02F2201/121 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04107 ,  G09G3/3677 ,  G09G3/3688

Abstract: According to one embodiment, a display device includes a plurality of gate lines, a plurality of data lines intersecting with the gate lines, a plurality of pixel electrodes provided in areas defined by the gate lines and the data lines, and a sensor drive controller which includes a plurality of common electrodes facing the pixel electrodes and detects a touch by using the common electrodes. The sensor drive controller selects at least one of the common electrodes as a sensor electrode, detects a touch by using the sensor electrode, and inputs, to the other common electrodes, a guard signal for reducing generation of capacitance between the other common electrodes and the sensor electrode.

公开(公告)号：US20170131815A1

公开(公告)日：2017-05-11

申请号：US15412594

申请日：2017-01-23

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yoshitoshi Kida ,  Kohei Azumi

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

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G09G3/36 ,  G09G3/3677 ,  G09G3/3685 ,  G09G5/003 ,  G09G5/18 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/0297 ,  G09G2310/08

Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.

公开(公告)号：US09626022B2

公开(公告)日：2017-04-18

申请号：US14694492

申请日：2015-04-23

Applicant: Japan Display Inc.

Inventor： Koji Ishizaki ,  Koji Noguchi ,  Masanobu Ikeda ,  Yasuyuki Matsui

IPC: G02F1/1335 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G09G3/36

CPC classification number: G06F3/041 ,  G02F1/13338 ,  G02F1/133707 ,  G02F1/134309 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/3648

Abstract: There are provided a display panel with a touch detector that allows the touch detection electrodes to be less visible, a touch panel, and an electronic unit having the display panel with a touch detector. The display panel with a touch detector includes: a display layer including a plurality of display elements arranged side by side; and an electrode layer alternately segmented into first regions and second regions along a first direction, the electrode layer including a plurality of first slits arranged side by side to extend in a second direction, and a plurality of second slits each allowing an adjacent pair of the plurality of first slits in the second regions to be in communication with one another.

公开(公告)号：US09594453B2

公开(公告)日：2017-03-14

申请号：US14742344

申请日：2015-06-17

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Koji Noguchi ,  Toshiaki Fukushima

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

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04101 ,  G06F2203/04808

Abstract: To provide a liquid crystal display device with a touch detection function in which any drive method can be adopted. The liquid crystal display device is provided with: a liquid crystal element arrangement that has a plurality of liquid crystal display elements arranged in a matrix shape; a plurality of scanning lines that are arranged in each row of the liquid crystal element arrangement, and supply scanning signals to a plurality of liquid crystal display elements arranged in a corresponding row; a plurality of signal lines that are arranged in each column of the liquid crystal element arrangement, and supply an image signal to a plurality of liquid crystal display elements arranged in a corresponding column; a plurality of touch detection drive electrodes which are arranged in a column of the liquid crystal element arrangement, and to which a drive signal for detecting a touch is supplied; and a touch control part that specifies a touch detection drive electrode from the a plurality of touch detection drive electrodes. Here, the drive signal is supplied to the touch detection drive electrode specified by the touch control part.

Abstract translation: 提供具有触摸检测功能的液晶显示装置，其中可以采用任何驱动方法。 液晶显示装置具有：具有排列成矩阵状的多个液晶显示元件的液晶元件配置; 配置在液晶元件配置的各行中的多条扫描线，并将扫描信号提供给配置在相应行中的多个液晶显示元件; 布置在液晶元件布置的每列中的多条信号线，并将图像信号提供给布置在相应列中的多个液晶显示元件; 多个触摸检测驱动电极，布置在液晶元件装置的列中，并且提供用于检测触摸的驱动信号; 以及触摸控制部分，其从多个触摸检测驱动电极指定触摸检测驱动电极。 这里，驱动信号被提供给由触摸控制部指定的触摸检测驱动电极。

公开(公告)号：US09588631B2

公开(公告)日：2017-03-07

申请号：US14824829

申请日：2015-08-12

Applicant: Japan Display Inc.

Inventor： Koji Noguchi ,  Yoshitoshi Kida ,  Kohei Azumi

IPC: G06F3/047 ,  G09G5/00 ,  G09G5/18 ,  G09G3/36 ,  G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/047 ,  G09G3/36 ,  G09G3/3677 ,  G09G3/3685 ,  G09G5/003 ,  G09G5/18 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/0297 ,  G09G2310/08

Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.

Abstract translation: 一种显示装置，包括：显示装置; 触摸检测装置; 以及驱动单元，驱动显示装置，以便在形成一个帧周期的多个单位驱动周期中顺序地显示M个水平线，并且在N个较低的每个单位驱动周期中提供的N个触摸检测周期中驱动该触摸检测装置 比M.

公开(公告)号：US20160349911A1

公开(公告)日：2016-12-01

申请号：US15234474

申请日：2016-08-11

Applicant: Japan Display Inc.

Inventor： Kohei Azumi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Koji Ishizaki

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

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04112

Abstract: A touch detector capable of achieving high position resolution while improving detection sensitivity to a touch is provided. The touch detector includes: a plurality of drive electrodes arranged side by side to extend in one direction; a detection electrode extending in a direction orthogonal to a direction where the drive electrodes extend, and arranged to form a capacitance at each of intersections with the drive electrodes; and a scanning drive section sequentially selecting a predetermined plural number of target electrodes from the plurality of drive electrodes in a time-divisional manner, and applying a touch detection drive signal with a plurality of pulse waveforms for detecting an external adjacent object to the selected target electrodes to perform a scanning drive. A scanning pitch in the scanning drive is smaller than the total width of the plural number of selected target electrodes.

公开(公告)号：US09501196B2

公开(公告)日：2016-11-22

申请号：US15068614

申请日：2016-03-13

Applicant: JAPAN DISPLAY, INC.

Inventor： Takeya Takeuchi ,  Koji Noguchi ,  Koji Ishizaki ,  Yasuyuki Teranishi ,  Takayuki Nakanishi

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

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04101 ,  G09G3/3614 ,  G09G3/3655 ,  G09G3/3677 ,  G09G2300/0434

Abstract: A display apparatus includes: a display face; a display function layer adapted to vary display on the display face in response to an inputted image signal; a plurality of driving electrodes disposed separately in one direction; a detection scanning control section configured to apply a detection driving voltage to some of the plural driving electrodes and carry out detection driving scanning while shifting an application object of the detection driving voltage in the one direction on the display face and then control the detection driving scanning such that jump shift of carrying out shift with a pitch of twice or more times a driving electrode pitch is included; and a plurality of sensor lines disposed separately in a direction different from the one direction and responding to touch or proximity of a detection object with or to the display face to exhibit an electric variation.

Abstract translation: 一种显示装置，包括：显示面; 显示功能层，其适于响应于输入的图像信号而改变显示面上的显示; 沿一个方向分开设置的多个驱动电极; 检测用扫描控制部，被配置为对所述多个驱动电极中的一些驱动电极施加检测驱动电压，并在所述显示面上沿一个方向移动所述检测用驱动电压的应用对象，进行检测驱动扫描，然后控制所述检测驱动扫描 包括以驱动电极间距的两倍或更多倍的间距进行移位的跳跃移位; 以及多个传感器线，其沿与该一个方向不同的方向分开设置，并且响应于检测对象与显示面的接触或接近而呈现出电变化。