公开(公告)号：US20170322652A1

公开(公告)日：2017-11-09

申请号：US15660540

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Koji Ishizaki ,  Hayato Kurasawa ,  Yoshihiro Watanabe ,  Toshimasa Ishigaki ,  Daisuke Sonoda ,  Tatsuya Ide

IPC: G06F3/044 ,  G02F1/1362 ,  G06F3/041 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G02F1/136204 ,  G02F2001/134372 ,  G06F3/0412

Abstract: To reduce disturbances in display of images due to static electricity without deteriorating optical properties in a display. The display includes a conductive pattern provided on the upper surface of the substrate, a protection layer provided on the upper surface of the substrate to cover the conductive pattern, and a conductive layer provided on the protection layer. The sheet resistance of the conductive pattern is not more than 8Q/square. A ratio of the total sum of areas of portions of the plurality of sub-pixels that overlap the conductive pattern in a plan view to the total sum of the areas of the plurality of sub-pixels is 1 to 22%. A sheet resistance of the conductive layer is higher than the sheet resistance of the conductive pattern.

公开(公告)号：US20170213065A1

公开(公告)日：2017-07-27

申请号：US15412793

申请日：2017-01-23

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Toshinori Uehara ,  Hiroshi Mizuhashi

IPC: G06K9/00

CPC classification number: G06K9/0002

Abstract: A fingerprint detection device includes: a substrate having a first surface and a second surface on an opposite side of the first surface, the first surface serving as a detection surface configured to detect unevenness of an object in contact or in proximity; a detection electrode provided on the second surface side of the substrate and configured to detect unevenness of a finger in contact or in proximity on the basis of an electrostatic capacitance change; and a drive circuit provided on the second surface side of the substrate and configured to supply a drive signal to the detection electrode.

公开(公告)号：US09696575B2

公开(公告)日：2017-07-04

申请号：US14727701

申请日：2015-06-01

Applicant: Japan Display Inc.

Inventor： Toshimasa Ishigaki ,  Daisuke Sonoda ,  Tatsuya Ide ,  Koji Ishizaki ,  Yoshihiro Watanabe ,  Hayato Kurasawa ,  Masanobu Ikeda

IPC: G02F1/1333 ,  G02F1/1341

CPC classification number: G02F1/13338 ,  G02F1/1341 ,  G02F2201/38 ,  G02F2201/50

Abstract: Detection electrode wirings formed by an ITO film have a high resistance and the detection capability thereof is degraded with the increase of the size and/or resolution. A manufacturing method of a display device includes: (a) arranging liquid crystal between an array substrate and a counter substrate; (b) forming a metal layer and a low-reflection layer on the counter substrate after the step (a); (c) applying an overcoat film onto the metal layer and the low-reflection layer; and (d) curing the overcoat film to form a protection layer. The step (d) cures the overcoat film with light and heat.

公开(公告)号：US09652103B2

公开(公告)日：2017-05-16

申请号：US14947563

申请日：2015-11-20

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Keisuke Asada ,  Tatsuya Ide ,  Koji Ishizaki

IPC: G06F3/045 ,  G06F3/044 ,  G02F1/1333 ,  G06F3/041 ,  H05K1/11 ,  H05K3/28 ,  H05K3/36

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/0412 ,  G06F2203/04108 ,  G06F2203/04112 ,  H05K1/028 ,  H05K1/117 ,  H05K1/147 ,  H05K3/28 ,  H05K3/361 ,  H05K2201/09263 ,  H05K2201/09663 ,  H05K2201/09681 ,  H05K2201/0969 ,  H05K2201/09727 ,  H05K2201/10128

Abstract: [Problem] To prevent detachment of overcoat layer which covers at least a part of a terminal formed on a substrate.[Measure to solve the problem] According to one embodiment, a detection device includes a substrate, detection electrode, terminal formed of a metal material, lead, coating layer, conductive adhesion layer, and circuit board. The lead connects the electrode and the terminal. The coating layer covers the electrode and the lead, and partly covers the terminal. The adhesion layer covers a part of the terminal exposed from the coating layer and covers a part of the coating layer. The circuit board is connected to the terminal with the adhesion layer interposed therebetween. At least in an overlapping area where the conductive adhesion layer covers the coating layer, the metal material that forms the terminal includes a shape that the metal material is partly removed.

公开(公告)号：US09626060B2

公开(公告)日：2017-04-18

申请号：US15064909

申请日：2016-03-09

Applicant: Japan Display Inc.

Inventor： Koji Ishizaki ,  Hayato Kurasawa ,  Kohei Azumi

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/134336 ,  G02F2201/123 ,  G02F2201/52 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04107 ,  G06F2203/04108 ,  G06F2203/04111 ,  G06F2203/04112

Abstract: According to an aspect, a display device with a touch detection function includes: a substrate; a drive electrode that extends in a first direction; and a plurality of touch detection electrodes that are metal wirings extending in a second direction different from the first direction. The metal wirings are arranged with a predetermined pitch so as to make capacitive coupling with the drive electrode.

公开(公告)号：US09495897B2

公开(公告)日：2016-11-15

申请号：US14716254

申请日：2015-05-19

Applicant: Japan Display Inc.

Inventor： Yasuyuki Teranishi ,  Takayuki Nakanishi ,  Toshihiko Tanaka ,  Hayato Kurasawa

IPC: G09G3/20 ,  G09G3/36 ,  G09G5/10

CPC classification number: G09G3/2077 ,  G09G3/2022 ,  G09G3/2074 ,  G09G3/3648 ,  G09G5/10 ,  G09G2300/0857 ,  G09G2310/04 ,  G09G2340/0435

Abstract: A display device in which pixels having a memory function are arranged includes a driving unit that performs display driving in a driving method that obtains a middle gradation by temporally changing gradation of each of the pixels in one period in which a plurality of frames are assumed, wherein the driving unit is configured to discontinuously write lower bits and higher bits of gradation data with respect to the pixels in a scanning direction in a unit of one line or a plurality of lines.

公开(公告)号：US09477341B2

公开(公告)日：2016-10-25

申请号：US14748568

申请日：2015-06-24

Applicant: Japan Display Inc.

Inventor： Naosuke Furutani ,  Hayato Kurasawa ,  Makoto Hayashi

IPC: G06F3/038 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G09G3/36

CPC classification number: G06F3/0416 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/134318 ,  G02F2201/121 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G09G3/3607 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2330/02

Abstract: A liquid crystal display device with a touch sensor has a liquid crystal display function and a touch sensor function is providing and includes a first substrate including a pixel electrode and a first electrode; a second substrate including a second electrode; and a liquid crystal layer provided between the first substrate and the second substrate. When the liquid crystal display function is activated, the first and second electrodes are supplied with common voltage. When the touch sensor function is activated, the first electrode is applied with a first signal, and the second electrode is configured to receive the first signal to be a second signal as a touch detecting signal.

Abstract translation: 具有触摸传感器的液晶显示装置具有液晶显示功能，并且提供触摸传感器功能，并且包括具有像素电极和第一电极的第一基板; 第二基板，包括第二电极; 以及设置在第一基板和第二基板之间的液晶层。 当液晶显示功能被激活时，向第一和第二电极提供公共电压。 当触摸传感器功能被激活时，第一电极被施加第一信号，第二电极被配置为接收作为第二信号的第一信号作为触摸检测信号。

公开(公告)号：US20160307526A1

公开(公告)日：2016-10-20

申请号：US15086852

申请日：2016-03-31

Applicant: Japan Display Inc.

Inventor： Takeshi SHIBATA ,  Yoshihiro Kotani ,  Hiroshi Mizuhashi ,  Hayato Kurasawa

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G02F1/13 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0434 ,  G09G2310/0248 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2354/00

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, and a first drive module. A first source line is located between a first divisional electrode and a second divisional electrode. One frame period includes a first display period, a second display period, a sense period, and a first pre-charge period. The first drive module supplies a first image signal having a first polarity to the first source line in the first display period, supplies a first pre-charge signal having a second polarity to the first source line in the first pre-charge period, and supplies the first image signal having the first polarity to the first source line in the second display period.

Abstract translation: 根据一个实施例，液晶显示装置包括第一基板，第二基板，液晶层和第一驱动模块。 第一源极线位于第一分割电极和第二分割电极之间。 一帧周期包括第一显示周期，第二显示周期，感测周期和第一预充电周期。 第一驱动模块在第一显示周期内向第一源极线提供具有第一极性的第一图像信号，在第一预充电期间向第一源极线提供具有第二极性的第一预充电信号， 所述第一图像信号在所述第二显示周期中具有与所述第一源极线的第一极性。

公开(公告)号：US09471165B2

公开(公告)日：2016-10-18

申请号：US14220943

申请日：2014-03-20

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Koji Ishizaki ,  Hayato Kurasawa

IPC: G06F3/045 ,  G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/044 ,  G06F2203/04112

Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.

Abstract translation: 根据本发明，具有触摸检测功能的显示装置包括：基板; 显示区域 设置有多个导电细线的触摸检测电极，每个所述导电细线包括多个细线，每个细线均具有直线形状并且包括第一端和第二端; 驱动电极; 和显示功能层。 相邻的细金属丝片被布置成在弯曲部弯曲，该弯曲部分用作相邻细丝片的一条细线片的第二端连接到另一条细线片的第一端的部分 相邻的细线片和导电细线包括具有由相邻的细线片形成的角度与其它弯曲部分的角度不同的角度的弯曲部分。

公开(公告)号：US09292126B2

公开(公告)日：2016-03-22

申请号：US14208645

申请日：2014-03-13

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Koji Ishizaki ,  Hayato Kurasawa

IPC: G06F3/041 ,  G06F3/044

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

Abstract: According to an aspect, a display device with a touch detection function includes: a variable focus lens unit that includes a first substrate including a first electrode, a second substrate including a second electrode, and a variable focus layer that is provided between the first substrate and the second substrate; a display unit including a display region that displays an image via the variable focus lens unit; a drive electrode that is arranged in the display unit or at a position opposed to the display region, and divided into a plurality of pieces; and a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as a touch detection electrode based on change in capacitance with respect to the drive electrode.

Abstract translation: 根据一个方面，具有触摸检测功能的显示装置包括：可变焦距透镜单元，其包括第一基板，第一基板包括第一电极，包括第二电极的第二基板和可变焦距层，所述可变焦距层设置在第一基板 和第二基板; 显示单元，包括经由可变焦点透镜单元显示图像的显示区域; 驱动电极，其布置在所述显示单元中或与所述显示区域相对的位置处，并且被分成多个片段; 以及触摸检测单元，被配置为基于相对于驱动电极的电容变化来检测使用第一电极和第二电极中的一个的接近物体的位置作为触摸检测电极。