Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Hefei Boe Joint Technology Co., Ltd.

Boe Technology Groupco., Ltd.

Xiaolong Wei

Fei Yang

Wenchao Bao

Song Meng

Min He

Jingbo Xu

Chun Cao

Yongqian Li

Jianbo Xian

Cheng Xu

Miao Liu

Xuehuan Feng

Zhidong Yuan

Pan Li

Yi Chen

Huihui Li

Tangxiang Wang

Dongxu Han

Enming Xie

Pengfei Yin

Qiang Fei

Jian Mao

A display method, including: performing a full-screen display refresh on a display panel at a first refresh rate; meanwhile, setting a refresh factor to n, where n is a positive integer; refreshing the local area of the display panel at the second refresh rate; increasing the refresh factor by m, where m is a positive integer; determining whether the refresh factor is greater than or equal to a set value; if yes, performing the full-screen display refresh on the display panel at the first refresh rate; setting the refresh factor to n; and if no, continuing refreshing the same local area of the display panel at the second refresh rate; increasing the refresh factor by m, where the second refresh rate is greater than the first refresh rate, and the second refresh rate is an integer multiple of the first refresh rate.

Display method, display device, and computer readable medium

The display panel includes a plurality of pixel units and a sense compensation circuit; and a pixel unit includes a plurality of sub-pixels; a sub-pixel includes a pixel drive circuit and an element to be driven; the display panel further includes: a detection unit and a compensator; the sense compensation circuit is configured to sense the electrical characteristics of said element at a non-active time; the detection unit is configured to detect whether dynamic and static attributes of a picture displayed in a previous preset time period are changed, and send a first notification to the compensator when the dynamic and static attributes are changed; the compensator is configured to receive the first notification and not, according to the sense result of the sense compensation circuit in the previous preset time period, compensate for a picture displayed in a next preset time period.

Display panel and display method thereof, and display apparatus

Disclosed are a display panel and a display method thereof, and a display apparatus. The display panel includes multiple pixel units, a pixel unit includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit, a sense compensation circuit, and an element to be driven, and the display panel further includes a detection unit and a compensator; the pixel drive circuit is configured to drive the element to be driven in active time; the sense compensation circuit is configured to sense electrical characteristics of the element to be driven in blank time; the detection unit is configured to detect whether a currently displayed picture is a still picture, send a first notification to the compensator when the currently displayed picture is a still picture, and send a second notification to the compensator when the currently displayed picture is a non-still picture.

A control device includes a memory and a processor. The memory is configured to store a time comparison table. The processor is configured to determine whether a displayed image is a still image. When the displayed image is determined to be a still image, the time comparison table is queried for a corresponding still image judgment duration according to an average pixel level and a type of the still image.

Control device and driving method therefor, and display device

A method for sensing a display panel includes: sensing an electrical characteristic parameter of a driving transistor of a pixel circuit of a sub-pixel in an X-th row in a blank stage between an N-th frame and an (N+1)-th frame, wherein X is a random number, and both N and X are positive integers.

Method for sensing display panel, and display panel

The present disclosure provides a compensation control method and a display device. The method includes in a standstill phase, controlling the display panel to stand still; after the standstill phase ends, sensing, by the timing controller, characteristic values of each row of the pixel circuits in the display panel in a time division manner by controlling the gate driver and the source driver; setting a black insertion time period between time periods for sensing characteristic values of different rows of pixel circuits, during the black insertion time period, controlling, by the timing controller, the gate driver and the source driver, to display a black picture on the display panel.

Compensation control method and display device

The present disclosure provides method and device for processing compensation data to be applied to a pixel circuit, and a display panel. The method includes: receiving M compensation data; determining a first threshold range according to (i&#x2212;N)-th to (i&#x2212;1)-th standard data, wherein midpoint and length of the first threshold range both depend on the (i&#x2212;N)-th to (i&#x2212;1)-th standard data; judging whether an i-th compensation data is in the first threshold range or not; in response to the i-th compensation data being in the first threshold range, determining the i-th compensation data as qualified and using it as an i-th standard data; and in response to the i-th compensation data not being in the first threshold range, determining the i-th compensation data as unqualified, replacing it with an average value of the (i&#x2212;N)-th to (i&#x2212;1)-th standard data, and using the replaced i-th compensation data as the i-th standard data.

Data processing method and device, and display panel

A compensation method for a display panel and a display device are provided. The display panel includes a plurality of sub-pixels, and at least one of the plurality of sub-pixels includes a sensing capacitor. The method includes: obtaining a first voltage value and a second voltage value of the sensing capacitor, obtaining a temperature change amount of a sub-pixel corresponding to the sensing capacitor according to the first voltage value and the second voltage value of the sensing capacitor, determining a value of a compensation parameter of the sub-pixel according to the temperature change amount of the sub-pixel and a preset correspondence between the temperature change amount of the sub-pixel and the compensation parameter; and performing a compensation on a driving voltage of the sub-pixel according to the value of the compensation parameter as determined.

Compensation method for display panel and display panel

A method for processing a display image in an image display region, a display image processing device, a display device, and a storage medium are disclosed. A part of the image display region or all of the image display region is a movable region, and the method for processing the display image includes: in a case where the movable region is moved from a first position to a second position, obtaining a first image feature value of the display image displayed in the image display region where the movable region is at the first position; obtaining a second image feature value of the display image displayed in the image display region where the movable region is at the second position; and determining whether the display image displayed in the image display region is a static image based on the first image feature value and the second image feature value.

Image processing method, image processing device, display device and storage medium

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.

Pixel circuit, parameter detection method, display panel and display device

A shift register unit, a grid drive circuit, a display device and a driving method are disclosed. The shift register unit includes a display sub-shift-register and a detection sub-shift-register. The display sub-shift-register includes a display output terminal, and the display sub-shift-register is configured to output a display output signal of the shift register unit from the display output terminal at a display stage; the detection sub-shift-register is connected to a display output terminal of the display sub-shift-register to receive a display output signal, and includes a first random pulse signal terminal to receive a first random pulse signal. The detection sub-shift-register is configured to output a detection output signal of the shift register unit when the display output signal is at a turn-on level and the first random pulse signal is at a turn-on level.

Shift register unit, gate drive circuit, display device and driving method

A chromaticity compensation method, a chromaticity compensation device and a storage medium are disclosed. The chromaticity compensation method includes that, according to a preset standard chromaticity value and measured chromaticity values corresponding to a plurality of sub-display regions in a display region, chromaticity compensation values of the sub-display regions are determined, and the display region is divided into the plurality of sub-display regions in close arrangement, and each of the sub-display regions includes a plurality of sub-pixels; a data smoothing treatment is performed between the chromaticity compensation values of the sub-display regions that are adjacent, so as to determine the smoothed chromaticity compensation values of the sub-pixels in the sub-display regions; and upon display, chromaticity compensation of the sub-pixels are performed by adopting the smoothed chromaticity compensation values.

Chromaticity compensation method, chromaticity compensation device and storage medium

The present disclosure provides a method and a device for abnormal data processing. The method includes: acquiring a queue of data to be detected, wherein the queue of data to be detected comprises M data arranged sequentially, M being a positive integer; filtering the queue of data to be detected with a filtering algorithm in at least two different orders respectively, wherein a window used in the filtering algorithm has a size of N, N being a positive integer smaller than M; determining abnormal data in the queue of data to be detected according to the filtering result; and performing data replacement on the abnormal data according to a preset rule.

Method and device for processing abnormal data

A method for detecting a threshold voltage of a driving transistor includes: obtaining at least one first threshold voltage of at least one driving transistor when each driving transistor is driven by a corresponding first driving signal; obtaining a threshold reference voltage of the driving transistor according to the at least one first threshold voltage; obtaining a second driving signal of the driving transistor according to the threshold reference voltage and the first driving signal of the driving transistor, a value of the second driving signal being greater than a value of the first driving signal; and obtaining a second threshold voltage of the driving transistor when the driving transistor is driven by the second driving signal.

Method and apparatus for detecting threshold voltage of driving transistor, and display apparatus

The embodiment of the present application provides a data processing method, wherein the data processing method is applied to a display panel comprising pixels arranged in an M&#xd7;N array, the method comprising: obtaining voltage data corresponding to pixels of n adjacent columns in the ith row determining, based on stored voltage data corresponding to pixels of n adjacent columns in (m&#x2212;1) rows previous to the ith row, whether voltage data corresponding to a pixel in the ith row and jth column is abnormal; performing a filtering process on the voltage data corresponding to the pixel in the ith row and jth column if the voltage data corresponding to the pixel in the ith row and jth column is abnormal, such that a difference between a threshold voltage after the filtering process and an actual threshold voltage is less than or equal to a first threshold difference.

Growing community of inventors

Beijing, China

Xiaolong Wei