公开(公告)号：US20160267838A1

公开(公告)日：2016-09-15

申请号：US14646086

申请日：2014-10-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiangfei ZHANG ,  Zhongyuan WU ,  Yang ZHOU

IPC: G09G3/3225 ,  G09G3/20

CPC classification number: G09G3/3225 ,  G09G3/2003 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/045 ,  G09G2320/0666 ,  G09G2320/0693 ,  G09G2360/14 ,  G09G2360/141 ,  G09G2360/145

Abstract: A luminance compensation method and a luminance compensation device of a display device, and the display device are provided. The luminance compensation method of the display device, includes: obtaining an input grayscale value of one of a plurality of sub-pixels corresponding to the display device of an input image, and obtaining a functional relationship between a compensated grayscale value and the input grayscale value corresponding to the sub-pixel; obtaining the compensated grayscale value corresponding to the sub-pixel by using the functional relationship, and performing luminance compensation on the sub-pixel according to the compensated grayscale value; and executing the above operations repeatedly for each of the plurality of sub-pixels of the input image.

Abstract translation: 提供了显示装置的亮度补偿方法和亮度补偿装置以及显示装置。 显示装置的亮度补偿方法包括：获得与输入图像的显示装置对应的多个子像素中的一个子像素的输入灰度值，以及获得补偿灰度值与输入灰度值之间的函数关系 对应于子像素; 通过使用所述功能关系来获得与所述子像素对应的补偿灰度值，并根据所述补偿灰度值对所述子像素执行亮度补偿; 并对输入图像的多个子像素中的每一个重复执行上述操作。

公开(公告)号：US20160163263A1

公开(公告)日：2016-06-09

申请号：US14366865

申请日：2013-12-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liye DUAN ,  Lirong WANG ,  Zhongyuan WU

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/325 ,  G09G3/3283 ,  G09G2300/0465 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2300/089 ,  G09G2310/0251 ,  G09G2310/0264 ,  G09G2320/043

Abstract: The present disclosure relates to the OLED display technology. There are provided a pixel circuit, a driving circuit, an array substrate and a display device, which are supplied with the voltage by the light emitting operation voltage when the pixel circuit enters the light emitting stage, by inputting an inverse signal synchronized with the pre-charging control voltage at the input terminal of the light emitting operation voltage to ensure a stable output of the current by the circuit at the light emitting stage. Also, it does not require an arrangement of an external voltage input terminal which will affect the aperture ratio, thereby increasing the aperture ratio of the OLED employing the current-driven pixel circuit while ensuring the stable output of the current by the current-driven circuit, and thus increasing the lifetime of the OLED employing the current-driven pixel circuit.

Abstract translation: 本公开涉及OLED显示技术。 提供了像素电路，驱动电路，阵列基板和显示装置，通过输入与预先同步的反相信号，在像素电路进入发光级时通过发光操作电压被提供电压 在发光操作电压的输入端施加充电控制电压，以确保电路在发光阶段稳定地输出电流。 此外，不需要将影响开口率的外部电压输入端子的布置，由此增加使用电流驱动像素电路的OLED的开口率，同时确保电流驱动电路的电流的稳定输出 ，从而增加使用电流驱动像素电路的OLED的寿命。

公开(公告)号：US20160117980A1

公开(公告)日：2016-04-28

申请号：US14342023

申请日：2013-04-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan WU ,  Danna SONG

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G3/3233 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045 ,  H03F3/26 ,  H03F3/45

Abstract: An external-compensation sensing circuit, sensing method, and display device. The circuit includes fully-differential operational amplifier, first capacitor, second capacitor and outputting circuit for amplifying induced current; negative input of the amplifier is connected to display screen, positive input thereof is connected to reference voltage, negative output thereof is connected to first control terminal of the outputting circuit, positive output thereof is connected to second control terminal of the outputting circuit; two terminals of the first capacitor are connected to the negative input of the amplifier and an input of the outputting circuit respectively; one terminal of the second capacitor is connected to the output of the outputting circuit and the other terminal is grounded. The invention enables the output voltage to respond rapidly by amplifying induced current with dual outputting stages in the sensing circuit to raise the speed of the external-compensation.

Abstract translation: 外部补偿感测电路，感测方法和显示装置。 该电路包括全差分运算放大器，第一电容器，第二电容器和用于放大感应电流的输出电路; 放大器的负输入连接到显示屏，其正输入连接到参考电压，其负输出连接到输出电路的第一控制端，其正输出连接到输出电路的第二控制端; 第一电容器的两个端子分别连接到放大器的负输入端和输出电路的输入端; 第二电容器的一个端子连接到输出电路的输出，另一个端子接地。 本发明通过在感测电路中通过放大具有双输出级的感应电流来使输出电压快速响应，以提高外部补偿的速度。

公开(公告)号：US20160049116A1

公开(公告)日：2016-02-18

申请号：US14415701

申请日：2014-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kun CAO ,  Zhongyuan WU ,  Liye DUAN

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0262 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/08 ,  G09G2320/043

Abstract: The gate driver circuit is connected to a row of pixel units, each pixel unit includes a pixel driving module and a light-emitting device connected to each other, the pixel driving module including a driving transistor, a driving module and a compensating module, the compensating module being connected to a gate scanning signal, and the driving module being connected to a driving control signal and a driving voltage. The gate driver circuit includes a row pixel controlling unit configured to provide the gate scanning signal to the compensating module and provide the driving voltage to the driving module, so as to control the compensating module to compensate for a threshold voltage of the driving transistor; and a driving control unit configured to provide the driving control signal to the driving module so as to control the driving module to drive the light-emitting device.

Abstract translation: 栅极驱动器电路连接到一行像素单元，每个像素单元包括彼此连接的像素驱动模块和发光器件，像素驱动模块包括驱动晶体管，驱动模块和补偿模块， 补偿模块连接到栅极扫描信号，并且驱动模块连接到驱动控制信号和驱动电压。 栅极驱动器电路包括行像素控制单元，被配置为向补偿模块提供栅极扫描信号并向驱动模块提供驱动电压，以便控制补偿模块来补偿驱动晶体管的阈值电压; 以及驱动控制单元，被配置为向驱动模块提供驱动控制信号，以便控制驱动模块来驱动发光装置。

公开(公告)号：US20160042693A1

公开(公告)日：2016-02-11

申请号：US14415529

申请日：2014-04-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kun CAO ,  Zhongyuan WU ,  Liye DUAN

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0286 ,  G09G2320/0295 ,  G09G2320/043 ,  G11C19/28

Abstract: The gate driver circuit is connected to a row of pixel unit, each includes a pixel driving module and a light-emitting device connected to each other, the pixel driving module including a driving transistor, a driving module and a compensating module, the compensating module is connected to a first row scanning signal, and the driving module is connected to a second row scanning signal and a driving voltage. The gate driver circuit further includes a row pixel controlling unit configured to provide the first row scanning signal to the compensating module and provide the second row scanning signal and the driving voltage to the driving module, so as to control the compensating module to compensate for a threshold voltage of the driving transistor and control the driving module to drive the light-emitting device.

Abstract translation: 栅极驱动电路连接到一行像素单元，每个像素单元包括彼此连接的像素驱动模块和发光器件，像素驱动模块包括驱动晶体管，驱动模块和补偿模块，补偿模块 连接到第一行扫描信号，并且驱动模块连接到第二行扫描信号和驱动电压。 栅极驱动器电路还包括行像素控制单元，被配置为将第一行扫描信号提供给补偿模块，并将第二行扫描信号和驱动电压提供给驱动模块，以便控制补偿模块以补偿 驱动晶体管的阈值电压，并控制驱动模块来驱动发光器件。