Abstract:
A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.
Abstract:
A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.
Abstract:
The present disclosure provides a touch display driving module, a touch display driving method, and a display device. The touch display driving module includes a touch detection chip and a time sequence touch control chip. The time sequence touch control chip is configured to perform data calculation in accordance with a touch data signal to generate touch point coordinate information, generate touch point image information in accordance with the touch point coordinate information, and display the touch point image on a display screen in accordance with the touch point image information. The touch point coordinate information is information carrying coordinates of a touch point, the touch point image is an image showing that the touch point is touched, and the touch point image information is display information corresponding to the touch point image.
Abstract:
The present disclosure provides a pixel structure, a method of driving the same and a display device. The pixel structure includes gate lines, data lines, and a plurality of subpixels arranged in an array form. Subpixels in each row correspond to two gate lines. Each data line corresponds to the subpixels in two adjacent columns, and each data line is arranged between the two adjacent columns of subpixels. Among the subpixels in each row, three adjacent subpixels are in different colors and forms a complete pixel unit. Among the subpixels in each column, three adjacent subpixels are in different colors and forms the complete pixel unit. Among the subpixels in two adjacent columns, the subpixels in two adjacent rows form two complete pixel units each including three subpixels, and two of the three subpixels are shared by the two pixel unit.
Abstract:
A backlight driving method and device of a display panel, and a display panel are provided. The backlight driving method of a display panel includes generating a synchronous drive frame and performing black frame insertion control according to a synchronous drive frame, the synchronous drive frame includes a first time region and a second time region, in the synchronous drive frame, a PWM light-adjusting signal is not output in the first time region and the PWM light-adjusting signal is output in the second time region, the first time region corresponds to line scan time, and the second time region corresponds to liquid crystal stabilization time.
Abstract:
A method, a circuit and a display device for driving an organic light emitting diode, wherein a driving transistor (DTFT) for driving a display element is turned off by jumping one or more of a reference voltage input (Vref), a reset voltage input (Vinit) and a data signal input (Vdata) before beginning to output an EL high level (ELVDD) of a pixel compensation circuit and after beginning to output an EL low level (ELVSS), to overcome the splash screen phenomenon during power-up and direct current-direct current driving failure.
Abstract:
Disclosed is a display driving method, an upper machine, a lower machine and a display driving system. The method includes: acquiring, by a lower machine, an address for any of subpixels transmitted from an upper machine; looking up, by the lower machine, a gray scale data corresponding to the pointer address in a display Look-UP Table (LUT), wherein the LUT stores mapping relationships between respective pointer addresses and their corresponding gray scale data; performing, by the lower machine, a digital-analog conversion on the gray scale data to acquire a converted analog voltage; and outputting the analog voltage to the subpixel so as to drive the subpixel for displaying. The method can increase the transmission rate between the GPU and the display to a certain degree and reduce the power consumption thereof.
Abstract:
A positioning method and a positioning server are provided. The positioning method includes: receiving a surrounding real image at a location of a requesting user from the requesting user; comparing the surrounding real image with prestored images in a map database, each prestored image corresponding to one piece of location point information; obtaining a prestored image matching the surrounding real image and location point information corresponding to the prestored image; generating site location information of the requesting user based on the obtained location point information; and sending the site location information to a target user.
Abstract:
Mini-diode lamp board and light-emitting device are provided. The board includes a substrate, luminance signal lines arranged in a first direction and extending in a second direction, and control signal lines arranged in the second direction and extending in the first direction. The board has sub-regions each including a drive chip and a LED lamp group; drive chips corresponding to a row of sub-regions arranged in the first direction are electrically connected to the same control signal line; drive chips corresponding to a column of sub-regions arranged in the second direction are electrically connected to the same luminance signal line; and the drive chip obtains a luminance signal provided by the luminance signal line under the control of a control signal provided by the control signal line, and controls a corresponding LED lamp group to emit light according to the luminance signal.
Abstract:
The present disclosure provides a display panel, a display device and a display driving method. The display panel includes a first display region and a second display region each including a plurality of pixel repeat units. Each pixel repeat unit includes a first sub-pixel in a first color, a second sub-pixel in a second color, a third sub-pixel in a third color and a fourth sub-pixel in the first color. A light-emitting area of each of the first sub-pixel and the fourth sub-pixel is smaller than that of the second sub-pixel or the third sub-pixel. A dummy pixel space is formed in a second pixel row between a first pixel repeat unit in a first pixel row and a second pixel repeat unit in a third pixel row in three adjacent pixel rows at the second display region.