公开(公告)号：US20170126994A1

公开(公告)日：2017-05-04

申请号：US15103979

申请日：2015-10-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye DUAN ,  Chung-Chun LEE ,  Feng JIANG ,  Li ZHOU ,  Long WANG ,  Chieh Hsing CHUNG

IPC: H04N5/357 ,  H04N5/66 ,  H04N5/3745 ,  G01T1/24

CPC classification number: H04N5/357 ,  G01T1/247 ,  G09G3/00 ,  H04N5/32 ,  H04N5/365 ,  H04N5/3745 ,  H04N5/37457 ,  H04N5/66

Abstract: A pixel circuit is provided. The pixel circuit includes a photoelectric converter unit, an amplifier unit, a reset unit, a compensation unit, a charging unit, and a readout unit, wherein the photoelectric converter unit is connected to a first voltage terminal and the amplifier unit, and is configured to convert an optical signal into an electric signal, wherein the amplifier unit is connected to the photoelectric converter unit, the charging unit, and the readout unit, and is configured to amplify an output signal from the photoelectric converter unit, and wherein the reset unit is connected to a reset terminal, the first voltage terminal, and the amplifier unit, and is configured to reset the amplifier unit based on an input signal from the reset terminal and an input signal from the first voltage terminal.

公开(公告)号：US20160293105A1

公开(公告)日：2016-10-06

申请号：US14777808

申请日：2015-04-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lirong WANG ,  Liye DUAN

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/0223 ,  G09G2320/0242 ,  G09G2320/045 ,  G09G2320/0646

Abstract: The present invention provides a pixel circuit, a display substrate and a display panel. The pixel circuit comprises a power supply terminal; a control thin film transistor; a drive thin film transistor; a storage capacitor; a light-emitting device, the pixel circuit further comprises a voltage division control module and a voltage division capacitor, the voltage division control module is used for charging the storage capacitor in the pre-charging phase of the pixel circuit, so that voltage of the gate of the drive thin film transistor becomes a reference voltage, and the voltage division control module is capable of outputting a low level to the second end of the storage capacitor in the compensation phase of the pixel circuit. A first end of the voltage division capacitor is connected to the first end of the storage capacitor, a second end thereof is connected to the cathode of the light-emitting device.

Abstract translation: 本发明提供一种像素电路，显示基板和显示面板。 像素电路包括电源端子; 控制薄膜晶体管; 驱动薄膜晶体管; 存储电容器; 所述像素电路还包括分压控制模块和分压电容器，所述分压控制模块用于在所述像素电路的预充电阶段对所述存储电容器进行充电， 驱动薄膜晶体管的栅极成为基准电压，分压控制模块能够在像素电路的补偿阶段向存储电容器的第二端输出低电平。 分压电容器的第一端连接到存储电容器的第一端，其第二端连接到发光器件的阴极。

公开(公告)号：US20150332628A1

公开(公告)日：2015-11-19

申请号：US14408485

申请日：2014-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lijun REN ,  Liye DUAN

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/2003 ,  G09G3/3233 ,  G09G2300/0452 ,  G09G2300/0809 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/043 ,  G09G2320/0666 ,  G09G2330/08

Abstract: The present disclosure provides a pixel circuit, its driving method, an array substrate and a display device. The pixel circuit includes a plurality of pixels, each of which includes a blue sub-pixel and a driving module for driving the blue sub-pixel. The blue sub-pixel includes N blue OLEDs, and N is a positive integer greater than 1. The driving module is configured to drive the N blue OLEDs in a time division manner. According to the present disclosure, the blue sub-pixel is segmented into several portions, and merely a portion of the blue sub-pixel is displayed each time. As a result, it is able to prolong the service time of the blue sub-pixel, thereby to increase the service life of an AMOLED panel.

Abstract translation: 本公开提供一种像素电路，其驱动方法，阵列基板和显示装置。 像素电路包括多个像素，每个像素包括蓝色子像素和用于驱动蓝色子像素的驱动模块。 蓝色子像素包括N个蓝色OLED，N是大于1的正整数。驱动模块被配置为以时分方式驱动N个蓝色OLED。 根据本公开，蓝色子像素被分割成若干部分，并且每次只显示蓝色子像素的一部分。 结果，能够延长蓝色子像素的使用时间，从而延长AMOLED面板的使用寿命。

公开(公告)号：US20140132642A1

公开(公告)日：2014-05-15

申请号：US14076408

申请日：2013-11-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan WU ,  Liye DUAN

IPC: H01L27/32 ,  G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0871 ,  G09G2310/0251 ,  G09G2320/045

Abstract: The embodiments of the invention disclose a pixel circuit, a display device and a driving method thereof. The pixel circuit comprises a light-emitting element; a driving TFT, its drain is input a power supply voltage signal; a first TFT, its drain is connected with a source of the driving TFT, its source is connected with the light-emitting element, its gate receives a first control signal; a second TFT, its source receives a data signal, its drain is connected with a gate of the driving TFT, its gate receives a scanning signal; a third TFT, its source receives a reference voltage signal, its gate receives the scanning signal; a fourth TFT, its source is connected with a drain of the third TFT, its drain is connected with the gate of the driving TFT and the drain of the second TFT, its gate receives a second control signal; and a capacitor.

Abstract translation: 本发明的实施例公开了像素电路，显示装置及其驱动方法。 像素电路包括发光元件; 驱动TFT，其漏极输入电源电压信号; 第一TFT，其漏极与驱动TFT的源极连接，其源极与发光元件连接，其栅极接收第一控制信号; 第二TFT，其源接收数据信号，其漏极与驱动TFT的栅极连接，其栅极接收扫描信号; 第三TFT，其源接收参考电压信号，其栅极接收扫描信号; 第四TFT，其源极与第三TFT的漏极连接，其漏极与驱动TFT的栅极和第二TFT的漏极连接，其栅极接收第二控制信号; 和电容器。