Wuhan Tianma Micro-electronics Co., Ltd

Shanghai Tianma Am-oled Co., Ltd.

Shanghai Tianma Micro-electronics Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Jingxiong Zhou

Ruiyuan Zhou

Guang Wang

Yajun Hei

Xiangyu Gao

Zhengfang Xie

YiQi Wang

Zhenyuan Zhang

Dingwei Shen

Zhongjie Zhang

Chunmei Gao

Duzen Peng

Yang Huang

Sha Lin

Tianrui Li

A method for adjusting brightness of a display panel and a device for adjusting brightness of a display panel are provided. The display panel includes a plurality of sub-pixels, and the method includes adjusting data voltages of at least two sub-pixels of the plurality of sub-pixels to be different when performing a zero grayscale display.

Brightness adjustment method of display panel and brightness adjustment device of display panel

A display driving method, a display driver and a display device are provided. The display driving method includes acquiring a first grayscale of at least one to-be-displayed sub-pixel, performing a first compensation manner to compensate the first grayscale and acquire a second grayscale, determining whether the second grayscale is less than a critical value; if yes, performing a second compensation manner to compensate the second grayscale and acquire a third grayscale, and acquiring a data voltage based on the third grayscale to control the sub-pixel to emit light and display, and if no, acquiring a data voltage based on the second grayscale to control the sub-pixel to emit light and display. The problem of displaying color deviation when the display panel is displayed at a low grayscale can be avoided.

Display driving method, display driver, and display device

Provided are a method for driving a display panel, a display driving device and an electronic device. The method includes: acquiring any one frame of the picture to de displayed; dividing the any one frame of the picture to be displayed into a first partition picture, a second partition picture and a third partition picture; displaying the first partition picture in the first display region, displaying the second partition picture in the second display region, and displaying the third partition picture in the third display region; where in a same frame of picture to be displayed, a density Aof sub-pixels for displaying the first partition picture, a density Aof sub-pixels for displaying the second partition picture and a density Aof sub-pixels for displaying the third partition picture satisfy that A&#x2264;A&#x2264;A; and where sub-pixels in the second display region include first sub-pixels and second sub-pixels.

Method for driving a display panel, display driving device and electronic device

Provided are a display panel and a display device. The display panel includes pixel unit groups arranged in a matrix, where a row direction of the matrix is a first direction; in a same pixel unit group, geometric centers of two first sub-pixels and geometric centers of two second sub-pixels form a first virtual parallelogram, where the first virtual parallelogram includes two first sides extending along the first direction and two second sides extending along a second direction, and the second direction intersects and is not perpendicular to the first direction; a geometric center of one third sub-pixel is located inside the first virtual parallelogram, the other three third sub-pixels are located outside the first virtual parallelogram, and geometric centers of the four third sub-pixels form a second virtual parallelogram, where the second virtual parallelogram includes two third sides extending along the first direction, and two fourth sides extending along the second direction.

Display panel and display device

Display panel, display device and detection compensation method of display panel are disclosed herein. In one embodiment, a display panel includes: display pixels arranged in M rows and N columns and provided in a display area, where both M and N are both positive integers; first power supply lines provided in the display area; and an integrated circuit, a switch circuit and a voltage stabilization transistor provided in a border area. One row of display pixels is electrically connected to one first power supply line. The first power supply lines are electrically connected to a first pin of the integrated circuit. A detection pin of the integrated circuit is electrically connected to the switch circuit. The voltage stabilization transistor includes: a control electrode electrically connected to the second pin, a first electrode electrically connected to the detection pin, and a second electrode electrically connected to one row of display pixels.

Display panel, display device and detection compensation method of display panel

A method and a device for brightness compensation of a display panel, and a display device are provided. The method includes obtaining a brightness degradation rate of each sub-pixel of a plurality of sub-pixels of the display panel at a first gray-scale value. The method also includes determining whether brightness degradation rates of the plurality of sub-pixels include a brightness degradation rate greater than a first preset threshold, and whether a proportion of sub-pixels, having brightness degradation rates greater than the first preset threshold, over the plurality of sub-pixels is greater than a preset percentage. Further, the method includes performing brightness compensation on the display panel according to one of a first brightness compensation method (increasing brightness of at least a portion of the plurality of sub-pixels) and a second brightness compensation method (reducing brightness of at least a portion of the plurality of sub-pixels).

Method and device for brightness compensation of display panel, and display device

A device and a method for obtaining brightness of a display panel are provided. The display panel includes a flat area and a curved area and the curved areas including at least one first curved area. The device includes a brightness acquisition component; an optical path adjustment component; and a control component. Principle light exited from the flat area is incident on a first area of a viewfinder plane of the brightness acquisition component; the optical path adjustment component is disposed on an optical path of principle light exited from the first curved area, and configured to adjust the principle light to be incident on a second area of the viewfinder plane; the first area does not overlap with and the second area; and the control component is configured to process an image captured by the brightness acquisition component to obtain the brightness of the display panel.

Device and method for obtaining brightness of display panel

A flexible display panel and a display device are provided. The flexible display panel has a bent edge area and a planar area. The bent edge area and the planar area are arranged in the row direction. A boundary extends in the column direction between each of the at least one bent edge area and the planar area. A side of the bent edge area that is away from the planar area is bent towards a non-light-exiting side of the flexible display panel, so that a portion of the flexible display panel that is located in the bent edge area forms a curved surface when the flexible display panel is in a bent state. A size of each column of sub-pixels located in the edge area in the row direction is larger than a size of each column of sub-pixels located in the planar area in the row direction.

Flexible display panel and display device

A display method of a display panel is described. The display panel has a first display area and a second display area, first sub-pixels are located in the first display area and second sub-pixels are located in the second display area, and a sub-pixel density of the second display area is smaller than that of the first display area. The display method includes: in displaying one frame of image, performing display in the first display area and the second display area by using different display algorithms. A sub-pixel rendering is used to perform display in at least one of the first display area and the second display area. A number of data signals provided to the first display area and a number of the first sub-pixels are identical. A number of data signals provided to the second display area and a number of the second sub-pixels are identical.

Display method of display panel that uses different display algorithms for different display areas, display panel and display device

Provided are a method for driving a display panel, a display driving device and an electronic device. The method includes: acquiring any one frame of picture to de displayed; dividing the any one frame of picture to be displayed into a first partition picture, a second partition picture and a third partition picture; displaying the first partition picture in the first display region, displaying the second partition picture in the second display region, and displaying the third partition picture in the third display region; where in a same frame of picture to be displayed, a density Aof sub-pixels for displaying the first partition picture, a density Aof sub-pixels for displaying the second partition picture and a density Aof sub-pixels for displaying the third partition picture satisfy that A&#x3c;A&#x2264;A; and where sub-pixels in the second display region include first sub-pixels and second sub-pixels.

A luminance compensation method for a display panel includes: dividing the display area into at least two sub-display areas including a first sub-display area and a second sub-display area, where a density of luminance abnormal textures in the first sub-display area is smaller than that in the second sub-display area, a number of types of the luminance abnormal textures in the first sub-display area is less than that in the second sub-display area; dividing the first sub-display area into a plurality of first compensation units, dividing the second sub-display area into at least one second compensation unit, where a total number of pixel units in each first compensation unit is greater than that in each second compensation unit; obtaining a compensation coefficient of each compensation unit and forming a compensation coefficient table; performing luminance compensation for the display panel according to the compensation coefficient table.

Luminance compensation method for a display panel

Provided is a method for determining a compensation grayscale value of a display panel. The method includes searching, in a table of grayscale bit number judgment values, for a grayscale bit number judgment value corresponding to a sub-pixel to be compensated; determining a compensation grayscale value corresponding to the sub-pixel to be compensated by a first reading process if the grayscale bit number judgment value satisfies a grayscale bit number condition, and determining the compensation grayscale value corresponding to the sub-pixel to be compensated by a second reading process if the grayscale bit number judgment value does not satisfy the grayscale bit number condition.

Method and device for determining compensation grayscale value of display panel, and display device

A flexible touch display panel and a method and a system for detecting a folding angle of the flexible touch display panel are provided. The method includes inputting a first scan signal to the touch electrode and obtaining a channel capacitance value of the touch electrode, determining whether the channel capacitance value is greater than a sleep threshold, controlling the flexible touch display panel to enter a sleep state in a case that the channel capacitance value is greater than the sleep threshold, and determining a capacitance value interval in which the channel capacitance value is located and determining a current folding angle of the flexible touch display panel based on a correspondence between the capacitance value interval and the folding angle in a case that the channel capacitance value is not greater than the sleep threshold.

Flexible touch display panel and method and system for detecting folding angle of flexible touch display panel

Provided are a display panel, an electronic device and a test method. The display panel includes: multiple data lines extending in a first direction; a display array including multiple pixel units arranged in an array, where the columns of the pixel units are electrically connected to the data lines respectively; a test switching circuit arranged at one side of the display array and test pins and a drive pin arranged at the other side of the display array in the first direction, where the test switching circuit includes a control end, input ends and output ends, the drive pin is connected to the control end, the test pins are configured to input a test signal and are connected to the input ends via a portion of the data lines, and the remaining data lines are connected to the output ends.

Display panel, electronic device and test method

Disclosed are an image processing method, apparatus, system and a display device, which can be allowed to perform correction processing on the grayscale of each of the pixels, without any limitation on the shape of the display panel, and have relatively high flexibility. In addition, because the pre-created correction data table has the pixel position, the marker and the correction data contained herein, the correction data are correction data integrated from displaying correction data and edge correction data if the pixel position belongs to the preset edge portion and the correction data are the displaying correction data if the pixel position is other than that belonging to the edge portion, the displaying correction data and the correction data integrated from the displaying correction data and the edge correction data are contained in the correction data table, so that the logic resource occupied in the system can be effectively reduced.

Growing community of inventors

Wuhan, China

Jingxiong Zhou