公开(公告)号：US20200005714A1

公开(公告)日：2020-01-02

申请号：US16570088

申请日：2019-09-13

Applicant: Japan Display Inc.

Inventor： Ilin WU

IPC: G09G3/3233 ,  G09G3/3266

Abstract: A display device includes a first pixel arranged with a first light emitting element having a first pixel electrode and a common electrode, and a drive transistor having an input/output terminal, one end of the input/output terminal being connected to the first pixel electrode, and a second pixel adjoins the first pixel electrode, and is arranged with a second light emitting element having a second pixel electrode and the common electrode, wherein the first pixel electrode and the second pixel electrode are connected via first switch.

公开(公告)号：US20160293103A1

公开(公告)日：2016-10-06

申请号：US15083874

申请日：2016-03-29

Applicant: Japan Display Inc.

Inventor： Hiroyuki KIMURA ,  Duzen PENG ,  Ilin WU

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0216 ,  G09G2310/0251 ,  G09G2310/0254

Abstract: A method of driving a display device includes the following steps: a step of applying a first voltage to a drain of the driving transistor from the first power supply line, while applying an initialization voltage lower than the first voltage to a gate of the driving transistor; a step of applying a voltage higher than the initialization voltage lower than the first voltage to the drain of the driving transistor, and applying a voltage based on a video signal to the gate of the driving transistor; and a step of applying the first voltage to a drain of the driving transistor from the first power supply line and supplying a current to the light emitting element while holding the voltage based on the video signal to the gate of the driving transistor.

Abstract translation: 一种驱动显示装置的方法包括以下步骤：将来自第一电源线的第一电压施加到驱动晶体管的漏极，同时将低于第一电压的初始化电压施加到驱动晶体管的栅极 ; 向驱动晶体管的漏极施加高于低于第一电压的初始化电压的电压的步骤，并将基于视频信号的电压施加到驱动晶体管的栅极; 以及从第一电源线向驱动晶体管的漏极施加第一电压并且在将基于视频信号的电压保持到驱动晶体管的栅极的同时向发光元件提供电流的步骤。

公开(公告)号：US20160217736A1

公开(公告)日：2016-07-28

申请号：US15001594

申请日：2016-01-20

Applicant: Japan Display Inc.

Inventor： Hiroshi NAKAYAMA ,  Duzen PENG ,  Ilin WU ,  Makoto SHIBUSAWA

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3225 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2330/028

Abstract: A display device with a plurality of pixels including a video signal wire, a first power supply wire connecting via a first switch a first power supply outputting a first voltage and connecting via a second switch a second power supply outputting a second voltage different to the first voltage, a second power supply wire connecting a third power supply outputting a third voltage different to the first voltage and the second voltage, a light emitting element arranged between the first power supply wire and the second power supply wire, a drive transistor controlling a value of a current supplied to the light emitting element, and a third switch arranged between the video signal wire and the drive transistor, the first power supply wire becoming the second voltage in a first time period within 1 horizontal scanning period, and becoming the first voltage in a remaining second time period.

Abstract translation: 一种具有包括视频信号线的多个像素的显示装置，经由第一开关连接的第一电源线，输出第一电压的第一电源和经由第二开关连接的第二电源，输出与第一电压不同的第二电压 连接输出与第一电压不同的第三电压的第三电源和第二电压的第二电源线，布置在第一电源线和第二电源线之间的发光元件，控制值的驱动晶体管 提供给发光元件的电流，以及配置在视频信号线和驱动晶体管之间的第三开关，第一电源线在1个水平扫描周期内的第一时间段内变为第二电压，并且变为第一电压 在剩下的第二时间段内。

公开(公告)号：US20170178568A1

公开(公告)日：2017-06-22

申请号：US15367599

申请日：2016-12-02

Applicant: Japan Display Inc.

Inventor： Ilin WU

IPC: G09G3/3233 ,  G09G3/3266

Abstract: A display device related to one embodiment of the present invention includes a plurality of pixel circuits each connected to a scanning signal line, initialization control signal line, light emitting control signal line and video signal line, wherein each of the plurality of pixel circuits includes a first transistor connected to the scanning signal line and the video signal line, a second transistor connected to a first node and the first transistor, a third transistor connected to the first node and a scanning signal line, a fourth transistor connected to the second transistor and the light emitting control signal line, and a fifth transistor connected to the second transistor, a power supply voltage line, and the light emitting control signal line.

公开(公告)号：US20170124946A1

公开(公告)日：2017-05-04

申请号：US15286882

申请日：2016-10-06

Applicant: Japan Display Inc.

Inventor： Ilin WU ,  Duzen Peng

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2310/061 ,  G09G2320/045

Abstract: A display device is provided including a light emitting element, a first transistor formed by a P-MOS arranged between a first power source and the light emitting element, a first switching element connected between a gate electrode of the first transistor and a data line of the first transistor, a second switching element connected between a source electrode of the first transistor and the first power source, a third switching element connected between a drain electrode of the first transistor and an anode of the light emitting element, a first capacitor connected between the gate electrode of the first transistor and the source electrode, and a second capacitor connected between the source electrode of the first transistor and the first power source, wherein in a reset time period the first switching element is turned ON, the second switching element is turned ON, and the third switching element is turned OFF.

公开(公告)号：US20170178570A1

公开(公告)日：2017-06-22

申请号：US15249919

申请日：2016-08-29

Applicant: Japan Display Inc.

Inventor： Ilin WU

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0439 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0245 ,  G09G2310/0251 ,  G09G2310/08

Abstract: A display device including pixel circuit groups containing pixel circuits. The pixel circuit groups each contain: a first transistor whose first terminal is connected to a power source potential line; and a sixth transistor whose control terminal is connected to a first scanning signal line and whose first terminal is connected to an image signal line. The pixel circuit each include: a second transistor whose control terminal is connected to a first node and whose first terminal is connected to a second terminal of the first transistor and a second terminal of the sixth transistor; a third transistor whose first terminal is connected to the first node and whose second terminal is connected to a second terminal of the second transistor; a fourth transistor whose first terminal is connected to the second terminal of the second transistor; and a fifth transistor whose first terminal is connected to the first node.

公开(公告)号：US20170132980A1

公开(公告)日：2017-05-11

申请号：US15341029

申请日：2016-11-02

Applicant: Japan Display Inc.

Inventor： Ilin WU ,  Duzen PENG

IPC: G09G3/3291 ,  H01L27/32 ,  G09G3/3233

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/045 ,  H01L27/3225 ,  H01L27/3262 ,  H01L27/3276

Abstract: A display device including a pixel, a drive transistor including a first and a second terminal and a gate, a first switching element controlling a connection between the second terminal and the gate, a storage capacitor of a second terminal connected to the gate, a second switching element controlling a connection between the storage capacitor and a first signal line, a third switching element arranged in parallel with the second switching element and controlling a connection between the storage capacitor and a second signal line, a fourth switching element controlling a connection between the drive transistor and a first power supply line, a light emitting element connected with the drive transistor and a second power supply line, a fifth switching element controlling a connection between the drive transistor and the light emitting element, a sixth switching element controlling a connection between the drive transistor and a third power supply line.

公开(公告)号：US20160232841A1

公开(公告)日：2016-08-11

申请号：US15016011

申请日：2016-02-04

Applicant: Japan Display Inc.

Inventor： Yutaka UMEDA ,  Duzen PENG ,  Ilin WU ,  Makoto SHIBUSAWA ,  Hiroyuki KIMURA

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0254 ,  G09G2320/0214

Abstract: A method of driving a display device with a plurality of pixels including a video signal wire, a first power supply wire supplied with a first potential, a second power supply wire supplied with a second potential different to the first potential, a light emitting element arranged between the first power supply wire and the second power supply wire, a drive transistor controlling a value of a current supplied to the light emitting element, and a switch arranged between the video signal wire and the drive transistor, and inputting a signal of the video signal wire to a gate terminal of the drive transistor, wherein a minimum gradation level potential is supplied to the video signal wire after a video signal is written to the capacitor of an Nth row pixel until a video signal is written to the capacitor of an Mth (N

Abstract translation: 一种驱动具有多个像素的显示装置的方法，所述多个像素包括视频信号线，提供有第一电位的第一电源线，提供有与第一电位不同的第二电位的第二电源线;布置 在第一电源线和第二电源线之间，控制提供给发光元件的电流值的驱动晶体管和布置在视频信号线和驱动晶体管之间的开关，以及输入视频信号 信号线连接到驱动晶体管的栅极端子，其中在将视频信号写入第N行像素的电容器之后，将最小灰度级电位提供给视频信号线，直到视频信号被写入第M个电容器 （N