公开(公告)号：US20170069251A1

公开(公告)日：2017-03-09

申请号：US15219707

申请日：2016-07-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： FEI YANG ,  Szu Heng Tseng ,  Yue Wu ,  Song Meng

IPC: G09G3/20 ,  G09G5/00

CPC classification number: G09G3/2074 ,  G09G3/2003 ,  G09G3/3696 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2340/0457

Abstract: The present disclosure provides a display driving method, apparatus and a display device. The method comprises: acquiring pixel data of N pixels, N=i*j, i being a coefficient and being a positive integer, and j being the number of pixels in each row; determining, for each pixel data, brightness values of respective sub-pixels in a pixel corresponding to the pixel data; calculating an analog power supply voltage of a source driver chip of a display module according to respective brightness values, the analog power supply voltage being positively correlated with the brightness values.

Abstract translation: 本公开提供了一种显示驱动方法，装置和显示装置。 该方法包括：获取N个像素的像素数据，N = i * j，i是系数并且是正整数，j是每行中的像素数; 对于每个像素数据确定与像素数据相对应的像素中的各个子像素的亮度值; 根据各自的亮度值计算显示模块的源极驱动器芯片的模拟电源电压，模拟电源电压与亮度值正相关。

公开(公告)号：US20160307493A1

公开(公告)日：2016-10-20

申请号：US15037797

申请日：2015-10-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna Song ,  Cuili Gai ,  Szu Heng Tseng ,  Song Meng ,  Zhongyuan Wu

IPC: G09G3/20 ,  G09G3/3225

CPC classification number: G09G3/2074 ,  G09G3/2003 ,  G09G3/3208 ,  G09G3/3225 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/0646 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2320/0693 ,  G09G2330/021 ,  G09G2340/06

Abstract: The present disclosure provides a method and an apparatus for controlling image display of a WOLED display apparatus and a WOLED display apparatus. The method includes: converting gray scale data of respective lights with various colors inputted by a signal source into brightness data of the respective lights with various colors; acquiring brightness adjustment data of white sub-pixel lights and brightness adjustment data of the respective lights with various colors on the basis of the brightness data of the respective lights with various colors and proportions of the respective lights with various colors in the white sub-pixel lights; converting the brightness adjustment data of white sub-pixel lights and brightness adjustment data of the respective lights with various colors into gray scale data and outputting and displaying the gray scale data. The above method and apparatus provides a simple calculating method when adjusting the display data and may eliminate color cast.

Abstract translation: 本公开提供了一种用于控制WOLED显示装置和WOLED显示装置的图像显示的方法和装置。 该方法包括：将由信号源输入的各种颜色的各种光的灰度数据转换成各种颜色的各种光的亮度数据; 基于具有各种颜色的各种光的亮度数据和在白色子像素中具有各种颜色的各种比例的比例，获取各种颜色的各种光的白色子像素光的亮度调节数据和各种颜色的亮度调节数据 灯光 将白色子像素光的亮度调整数据和各种颜色的各种亮度调整数据转换为灰度数据，并输出并显示灰度数据。 上述方法和装置在调整显示数据时可以提供简单的计算方法，并且可以消除色差。

公开(公告)号：US20160232848A1

公开(公告)日：2016-08-11

申请号：US14907448

申请日：2015-09-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song Meng ,  Danna Song

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/2014 ,  G09G2310/08 ,  G09G2360/16

Abstract: Embodiments of the present disclosure relate to a technical field of display technology, and provide a driving method for a pixel circuit and a driving device thereof. A problem of cost increase can be solved which is caused by an increase in a number of storages when adjustment is made by way of Gamma curve and table lookup, by means of the technical solutions according to embodiments of the present disclosure. The driving method of the pixel circuit includes acquiring brightness information of a display screen in a light-emitting phase (S101); determining a duty cycle of a pulse signal according to the brightness information (S102); inputting a high level to the first voltage terminal, and inputting the pulse signal with the duty cycle to a gate of the first switching transistor by the first gate line (S103).

Abstract translation: 本公开的实施例涉及显示技术的技术领域，并且提供用于像素电路及其驱动装置的驱动方法。 可以通过根据本公开的实施例的技术方案，通过伽马曲线和表查找进行调整时由于存储器数量的增加而引起的成本增加的问题。 像素电路的驱动方法包括获取发光阶段的显示画面的亮度信息（S101）。 根据亮度信息确定脉冲信号的占空比（S102）; 向第一电压端子输入高电平，并且通过第一栅极线将具有占空比的脉冲信号输入到第一开关晶体管的栅极（S103）。

公开(公告)号：US11263969B2

公开(公告)日：2022-03-01

申请号：US16937486

申请日：2020-07-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fei Yang ,  Song Meng ,  Xiaolong Wei

IPC: G09G3/3208 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel circuit, a parameter detection method, a display panel and a display device are provided. The pixel circuit includes a data writing-in circuit, a driving circuit, a reset control circuit, a detection control circuit, and a light emitting element. The detection control circuit is configured to control the connection or disconnection between the first electrode of the light emitting element and the sensing line under the control of a detection control signal provided by the detection control line. The reset control circuit is configured to control the connection or disconnection between the first electrode of the light emitting element and the second electrode of the light emitting element under the control of a reset control signal provided by the reset control line.

公开(公告)号：US11257434B2

公开(公告)日：2022-02-22

申请号：US16768638

申请日：2019-12-11

Applicant: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haixia Xu ,  Zhongyuan Wu ,  Zhidong Yuan ,  Song Meng

IPC: G09G3/30 ,  G09G3/3258 ,  G09G3/00 ,  G09G3/3291

Abstract: A method and a device for compensating a display device and a display apparatus are provided, each pixel unit includes a pixel driving circuit and a light-emitting element, the pixel driving circuit includes a driving transistor and sensing line, the method includes: acquiring a first mobility and a first threshold voltage of the driving transistor, the first mobility and the first threshold voltage are acquired when the display device is not displaying; acquiring a second mobility of the driving transistor according to the electrical signal on the sensing line, the second mobility is acquired when the display device is displaying; determining a second threshold voltage of the driving transistor according to the first threshold voltage, a difference between the second mobility and the first mobility, and a compensation factor; and calculating an external compensation value of a display data signal according to the second threshold voltage and the second mobility.

公开(公告)号：US20210225277A1

公开(公告)日：2021-07-22

申请号：US16094442

申请日：2018-03-01

Applicant: BOE Technology Group Co., Ltd. ,  Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Inventor： Haixia Xu ,  Song Meng ,  Yue Wu ,  Wenchao Bao ,  Min He

IPC: G09G3/3233

Abstract: A compensation method and a compensation apparatus for an organic light-emitting display, and a display device are disclosed. The compensation method includes: determining a write-back voltage of each sub-pixel to be compensated in a row to be compensated in a current frame according to a data voltage and a gain value of the sub-pixel to be compensated in the row to be compensated in the current frame, the gain value being greater than 1; and respectively writing back the write-back voltage of each sub-pixel to be compensated in the row to be compensated in the current frame correspondingly to the sub-pixel to be compensated in the row to be compensated in scan time of a blank period of the current frame.

公开(公告)号：US10573245B2

公开(公告)日：2020-02-25

申请号：US15537724

申请日：2016-10-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Quanhu Li ,  Yongqian Li ,  Song Meng

IPC: G09G3/3266 ,  G11C19/28 ,  G11C19/18 ,  G09G3/36

Abstract: A shift register unit and a driving method thereof, shift register and display device. The shift register unit including an input circuit (P1), a pull-down control circuit (P2), a pull-up control circuit (P3), a pull-up circuit (P4) and a pull-down circuit (P5); wherein the input circuit (P1) is connected to a first trigger signal end (STU), a first clock signal end (CLK1), a power level end (VGL) and a pull-up control node (Q), and is for utilizing a bootstrap effect to transfer a signal of the first trigger signal end (STU) to the pull-up control node (Q) without a threshold voltage loss. The shift register unit is for use in a display device, and resolves the problem of a display device having a non-uniform display, resulting in a poor displaying effect of a display device.

公开(公告)号：US10204557B2

公开(公告)日：2019-02-12

申请号：US15307611

申请日：2016-01-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna Song ,  Zhongyuan Wu ,  Szu Heng Tseng ,  Song Meng

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3233

Abstract: An Active-Matrix Organic Light Emitting Diode (AMOLED) display apparatus and a brightness compensation method thereof are provided. At an initial compensation stage, a display screen can be subjected to brightness calibration by an image sensor so as to acquire a data voltage compensation value of each sub-pixel when a brightness value of a display panel equals a preset value, a first data voltage is output to a corresponding pixel circuit according to the data voltage compensation value of each sub-pixel, a sensed voltage of each sub-pixel at this stage is used as an initial reference voltage of each sub-pixel when the brightness value of the display panel equals the preset value; and at a subsequent compensation stage, by regulating a data voltage of each sub-pixel, the sensed voltage of each sub-pixel is made to be equal to the corresponding initial reference voltage when the brightness value of the display panel equals the preset value, so as to achieve uniform compensation on brightness of each sub-pixel at the subsequent compensation stage. Thus, not only are uniformity and accuracy of initial brightness compensation improved, but also pixel aging is accurately compensated and uniformity and accuracy of subsequent compensation are improved.

公开(公告)号：US20180277043A1

公开(公告)日：2018-09-27

申请号：US15537724

申请日：2016-10-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Quanhu Li ,  Yongqian Li ,  Song Meng

IPC: G09G3/3266 ,  G09G3/36 ,  G09G3/34 ,  G11C19/28

Abstract: A shift register unit and a driving method thereof, shift register and display device. The shift register unit including an input circuit (P1), a pull-down control circuit (P2), a pull-up control circuit (P3), a pull-up circuit (P4) and a pull-down circuit (P5); wherein the input circuit (P1) is connected to a first trigger signal end (STU), a first clock signal end (CLK1), a power level end (VGL) and a pull-up control node (Q), and is for utilizing a bootstrap effect to transfer a signal of the first trigger signal end (STU) to the pull-up control node (Q) without a threshold voltage loss. The shift register unit is for use in a display device, and resolves the problem of a display device having a non-uniform display, resulting in a poor displaying effect of a display device.

公开(公告)号：US09881554B2

公开(公告)日：2018-01-30

申请号：US14907448

申请日：2015-09-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song Meng ,  Danna Song

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/2014 ,  G09G2310/08 ,  G09G2360/16

Abstract: Embodiments of the present disclosure relate to a technical field of display technology, and provide a driving method for a pixel circuit and a driving device thereof. A problem of cost increase can be solved which is caused by an increase in a number of storages when adjustment is made by way of Gamma curve and table lookup, by means of the technical solutions according to embodiments of the present disclosure. The driving method of the pixel circuit includes acquiring brightness information of a display screen in a light-emitting phase (S101); determining a duty cycle of a pulse signal according to the brightness information (S102); inputting a high level to the first voltage terminal, and inputting the pulse signal with the duty cycle to a gate of the first switching transistor by the first gate line (S103).