公开(公告)号：US09846322B2

公开(公告)日：2017-12-19

申请号：US14696667

申请日：2015-04-27

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi ,  Toshiaki Fukushima

IPC: G02F1/133 ,  G02F1/1343 ,  G02F1/1335 ,  G09G3/20 ,  G06F3/041 ,  G09G3/36

Abstract: According to one embodiment, a display device includes first, second, and third interconnects, switch elements, pixel electrodes, a display layer, and a controller. The switch elements are arranged in a matrix configuration, and connected to the first and second interconnects. The pixel electrodes are electrically connected to the switch elements. The third interconnects oppose the pixel electrodes. The display layer is provided on the pixel electrodes. The controller is electrically connected to the first, second, and third interconnects. The second interconnects include a first color interconnect. The controller performs a first operation of sequentially selecting the first interconnects and supplying a first color image signal to the first color interconnect. The controller performs a second operation of sequentially selecting the first interconnects and supplying a second color image signal to the first color interconnect. The controller performs a third operation being different from the first and second operations.

公开(公告)号：US09798403B2

公开(公告)日：2017-10-24

申请号：US14709945

申请日：2015-05-12

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Toshiaki Fukushima ,  Gen Koide ,  Yoshiyuki Kii

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

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

Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a control circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The control circuit unit is provided in the peripheral region, and includes a first circuit unit including a third line connection line, and a third line switch. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. The first circuit unit is partially disposed between the drive element and the first substrate.

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：US09721519B2

公开(公告)日：2017-08-01

申请号：US14690659

申请日：2015-04-20

Applicant: Japan Display Inc.

Inventor： Toshiaki Fukushima ,  Hayato Kurasawa ,  Hiroshi Mizuhashi

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/2003 ,  G09G3/3614 ,  G09G2300/0426 ,  G09G2310/0297 ,  G09G2320/0209 ,  G09G2320/0219 ,  G09G2320/0223 ,  G09G2320/0233

Abstract: According to one embodiment, a display device includes first interconnects, second interconnects, an electrode layer, pixel electrodes, a display layer and a controller. The first interconnects extend in a first direction and are arranged in a second direction. The second interconnects extend in the second direction and are arranged in the first direction. The electrode layer is aligned with a plane including the first and the second direction, and has openings. The second interconnects include a first signal line of a first color and a second signal line of the first color most proximal to the first signal line. The controller performs a first operation of supplying signals of a first polarity to the first and the second signal lines. The controller performs a second operation of supplying signals of a second polarity to the first and the second signal lines.

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：US20150339988A1

公开(公告)日：2015-11-26

申请号：US14708856

申请日：2015-05-11

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi ,  Toshiaki Fukushima

IPC: G09G3/36 ,  G02F1/1335 ,  G02F1/1368 ,  G02F1/1343

CPC classification number: G09G3/3607 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/134336 ,  G02F1/1368 ,  G09G3/36 ,  G09G2300/0426 ,  G09G2320/0209

Abstract: According to one embodiment, a display device includes first, second, and third interconnects, switch elements, pixel electrodes, a display layer, first, and second color filters, and a controller. The first interconnects extend in a first direction and are arranged in a second direction. The second interconnects extend in the second direction and are arranged in the first direction. The switch elements are electrically connected to the first and second interconnects. The pixel electrodes are electrically connected to the switch elements. The third interconnects extend in the second direction and are arranged in the first direction. The display layer performs an optical operation of light emission or a change of an optical characteristic. The first color filters are of a first color. The second color filters of a second color have a higher visibility than the first color. The controller is electrically connected to the first, second, and third interconnects.

Abstract translation: 根据一个实施例，显示装置包括第一，第二和第三互连，开关元件，像素电极，显示层，第一和第二滤色器以及控制器。 第一互连件沿第一方向延伸并且沿第二方向布置。 第二互连件在第二方向上延伸并且沿第一方向布置。 开关元件电连接到第一和第二互连。 像素电极电连接到开关元件。 第三互连在第二方向上延伸并且沿第一方向布置。 显示层进行发光的光学操作或光学特性的变化。 第一种颜色滤光片是第一种颜色。 第二种颜色的第二种滤色器具有比第一种颜色更高的可视性。 控制器电连接到第一，第二和第三互连。

公开(公告)号：US10732754B2

公开(公告)日：2020-08-04

申请号：US16565017

申请日：2019-09-09

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Toshiaki Fukushima ,  Gen Koide ,  Yoshiyuki Kii

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

Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a control circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The control circuit unit is provided in the peripheral region, and includes a first circuit unit including a third line connection line, and a third line switch. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. The first circuit unit is partially disposed between the drive element and the first substrate.

公开(公告)号：US10452184B2

公开(公告)日：2019-10-22

申请号：US16006084

申请日：2018-06-12

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Toshiaki Fukushima ,  Gen Koide ,  Yoshiyuki Kii

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

Abstract: According to one embodiment, a display device includes first and second substrate units, a display function layer, and a drive element. The first substrate unit includes a first substrate, a display unit, and a control circuit unit. The first substrate has a first surface including a display region and a peripheral region. The display unit is provided in the display region, and includes first lines, second lines, switch elements, pixel electrodes, and third lines. The control circuit unit is provided in the peripheral region, and includes a first circuit unit including a third line connection line, and a third line switch. The second substrate unit includes a second substrate and fourth lines. The display function layer is provided between the first and second substrate units. The drive element is provided on the peripheral region. The first circuit unit is partially disposed between the drive element and the first substrate.

公开(公告)号：US10222898B2

公开(公告)日：2019-03-05

申请号：US15170120

申请日：2016-06-01

Applicant: Japan Display Inc.

Inventor： Daisuke Ito ,  Koji Noguchi ,  Hidetoshi Komatsu ,  Toshiaki Fukushima

IPC: G06F3/041 ,  G06F3/044 ,  G06F1/3234 ,  G06F3/038 ,  G06F3/0488 ,  G02F1/1333

Abstract: According to an aspect, a display device with a touch detection function includes a display panel and a touch panel. The touch panel includes first electrodes extending in one direction. The display panel includes second electrodes interesting with the first electrodes in planar view and serving as common electrodes that supply a common potential to pixels in a display area. The display panel also includes pixel signal lines and scanning signal lines interesting with each other in planar view. The pixel signal lines and the scanning signal lines are made into a floating state in a touch detection period in which a first drive signal is applied to the first electrodes, and a second drive signal is applied to the second electrodes at predetermined intervals to perform touch detection based on change in voltage of the first electrodes and change in voltage of the second electrodes.

公开(公告)号：US10209837B2

公开(公告)日：2019-02-19

申请号：US15141079

申请日：2016-04-28

Applicant: Japan Display Inc.

Inventor： Toshiaki Fukushima ,  Hiroshi Mizuhashi

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

Abstract: According to one embodiment, a display device comprises pixel electrodes formed in a display area, drive electrodes opposed to the pixel electrodes, first and second line groups formed in a non-display area, a first switch configured to apply a voltage for display or a drive signal to the drive electrodes, and a scanner configured to control the first switch. In the above structure, the first and second line groups are disposed with a space between the first line group and the second line group, and at least a part of the scanner is disposed in the space between the first line group and the second line group.