Wuhan China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Jinjie Zhou

Xingling Guo

Jiehui Qin

Yujie Bai

Man Li

Xiang Yang

Xiaoping Tan

Feilin Ji

Taisheng An

Hongrui Cao

A method for rendering pixel, an apparatus for rendering pixel, and a display device are disclosed. The method includes steps of obtaining gray-scale values of three primary colors of an original image pixel in an RGB color space, converting the gray-scale values of three primary colors of the original image pixel into gray-scale values of three primary colors and a compensating component of a compensating image pixel, sampling from a compensating image, and setting the gray-scale values of the three primary colors and the compensating component of two adjacent compensating image pixels in each row as gray-scale values of corresponding sub pixels of a screen pixel in each row.

Method for rendering pixel, apparatus for rendering pixel, and display device

A driving method, a driver circuit and a designing method of a driver circuit for an in-cell touch display panel are provided. The driving method includes: connecting all horizontal scan lines of the touch display panel to a first GOA circuit, the first GOA circuit performing display scanning according to a preset timing sequence; and after completing each time of TP scanning according to preset timing sequence, a first horizontal scan line in a following scanning according to preset timing sequence still connected to a second GOA circuit, the second and first GOA circuits synchronously performing display scanning to the first horizontal scan line. The driving method, driver circuit and design method of driver circuit for in-cell touch display panel provided by the invention solve the dark line problem appearing in time-sharing scanning between display and TP terms for in-cell touch display panel, and improve display quality.

Driving method, driver circuit and design method of driver circuit for in-cell touch display panel

The invention provides a driving method, driver circuit and designing method of driver circuit for in-cell touch display panel. The driving method comprises: Step: connecting all horizontal scan lines of the touch display panel to a first GOA circuit, the first GOA circuit performing display scanning according to a preset timing sequence; Step: after completing each time of TP scanning according to preset timing sequence, a first horizontal scan line in a following scanning according to preset timing sequence still connected to a second GOA circuit, the second and first GOA circuits synchronously performing display scanning to the first horizontal scan line. The driving method, driver circuit and design method of driver circuit for in-cell touch display panel provided by the invention solve the dark line problem appearing in time-sharing scanning between display and TP terms for in-cell touch display panel, and improve display quality.

A drive circuit adapted for a liquid crystal display device and includes a CE circuit, a memory, a data compensating circuit and a timing controller. The CE circuit, the data compensating circuit and the timing controller are electrically connected successively, and the memory is electrically connected to the data compensating circuit. The CE circuit is for receiving image data and performing an image color enhancement processing onto the image data. The memory is for storing compensation values for Mura compensation to the liquid crystal display device. The data compensating circuit is for obtaining the compensation value corresponding to the image data from the memory and performing compensation calculation. The timing controller is for receiving the compensated image data, converting the compensated image data into signals required by the liquid crystal display device. The invention further provides a liquid crystal display device with the drive circuit.

Drive circuit and liquide crystal display device with the drive circuit

Disclosed are a touch display panel, a driving circuit and a driving method of a touch display panel. The touch display panel includes a common electrode layer which used for display. The common electrode layer is also used as a touch detection electrode layer for touch detection. The common electrode layer is divided into a number of regions, which are respectively connected to the same number of selectors that are each connected to each of the same number of common voltage generating circuits to receive the same number of common voltages and selectively transmit the common voltages to the plurality of regions.

Touch display panel, driving circuit and driving method of touch display panel

The disclosure provides a display driver, applied to process image data sent by a processor, the driver includes a time sequence controller, a data receiver connected with the time sequence controller electrically, an image processing module, a data storage module, a pulse width modulation register and a source electrode driver; when the display processor sends static image data, the static image data received by the data receiver is processed by the image processing module, the pulse width modulation register stores a backlight adjustment signal generated by the image processing module first processing the static image data, the static image data processed by the image processing module is stored in the data storage module, the time sequence controller controls the source electrode driver to read the static image data stored in the data storage module, simultaneously reading the backlight adjustment signal stored in the pulse width modulation register to adjust backlight.

Display driver having source electrode driver receiving image data directly from data storage, and display and terminal using the same

The present disclosure relates to a liquid crystal panel and the driving circuit. The liquid crystal panel includes a plurality of source driving circuits and a plurality of sub-pixel rows extending along a row direction. Each of the sub-pixel rows includes a plurality of sub-pixels of different colors and the sub-pixels are arranged periodically along the row direction. Within one scanning frame, polarity of driving voltage of at least one sub-pixel within the arranging period is opposite to that of other sub-pixels. Each of the source driving circuit includes at least two output ends respectively connecting to at least two sub-pixels having the same polarity of driving voltage within the same scanning frame to provide the driving voltage of the same polarity to the at least two sub-pixels. In this way, the power consumption of the source driving circuit may be reduced.

Liquid crystal panels and the driving circuits thereof

The present invention provides an LED backlight color temperature adjustment circuit, including a driving chip, an LED backlight module and a control module. The driving chip includes: a driving unit, employed to drive a display panel to show an image; an image data extraction unit, extracting a present display image data of the display panel; an image data analysis unit, employed to calculate a deviation value of the color temperature of the present display image data and a standard color temperature; and a color temperature adjustment unit, employed to generate and output a color temperature adjustment according to the deviation value of the color temperature of the present display image data and the standard color temperature. The LED backlight module includes a plurality of first LEDs which are identical and coupled in series and a plurality of first LEDs which are identical and coupled in series.

LED backlight color temperature adjustment circuit and display device having the same

The present invention discloses a touch panel, comprising: a substrate, a touch unit array, a plurality of connection wires, an impedance adjusting unit and controller. The impedance adjusting unit and the controller are arranged on the substrate, the touch unit array connects to the impedance adjusting through the plurality of connection wires, the impedance adjusting unit connects to the controller, the impedance adjusting unit is processing adjustment to impedance of each connection wires to make impedance of each connection wires consistent. The touch panel of the present invention will adjust impedance of each connection wire to be consistent for improving the sensing precision of touch location of touch panel.

Touch panel

A noise detection device of a display module, including: a storage module, a processing module and an encoding module; the storage module is used to store parallel video data, the processing module is used to transmit the stored parallel video data to the encoding module, the encoding module is used to convert the stored parallel video data into serial video data through encoding and to transmit the converted serial video data to a timing controller of a display module; the processing module is used to receive mini-LVDS data generated by the timing controller based on the converted serial data, and to convert the mini-LVDS data into the parallel video data; the processing module is used to compare the stored parallel video data with the converted parallel video data, and to determine whether the display module is qualified for noise control according to the comparison result.

Noise detection device of display module and noise detection method

A touch panel and a touch-sensitive display device are provided. The touch panel includes transversal electrode arrays and longitudinal electrode arrays with mutually perpendicular extending directions. The transversal electrode arrays and the longitudinal electrode arrays are each connected to a controller by a wire. All the wires are each serially connected with a first resistor. A sum of an owned resistance of each wire and a resistance of the first resistor serially connected with the wire constitutes an equivalent resistance, and all the equivalent resistances respectively corresponding to all the wires are equal. By the above solution, the invention can avoid the problem of inaccurate detection caused by error resulting from different wire resistances, and the detection accuracy of the touch panel is effectively improved consequently.

Growing community of inventors

Guangdong, China

Jinjie Zhou