Hkc Corporation Limited

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Chongqing Hkc Optoelectronics Technology Co., Ltd.

Beihai Hkc Optoelectronics Technology Co., Ltd.

Beihai Huike Photoelectric Technology Co., Ltd.

Zhi Xiong

Jingjing Wu

Haoxuan Zheng

Baohong Kang

Mancheng Zhou

Mingliang Wang

Rongrong Li

Hang Zhong

A method and a device for backlight driving, and a computer equipment. The method includes steps of: generating local dimming data, the local dimming data includes a frame refresh rate of a display panel and luminance data of each of a plurality of backlight zones; generating a gray-scale clock signal according to the frame refresh rate in the local dimming data, a frequency of the gray-scale clock signal is matched with the frame refresh rate in the local dimming data; generating drive data according to a plurality of luminance data in the local dimming data; and driving the plurality of backlight zones according to the gray-scale clock signal and the drive data.

Method and device for backlight driving, and computer equipment

A driving circuit, a driving method and a display device are disclosed. The driving circuit includes a memory, a timing controller and a power chip. The memory is connected to each of the timing controller and the power chip. The power chip includes a first analyzing module and a working module. The working module includes a fault output terminal. The timing controller includes a second analyzing module and a reset terminal. During a power-on phase, the timing controller reads and analyzes the driving data located in the memory through the second analyzing module, and transmits the analyzed driving data to the first analyzing module of the power chip for use by the power chip. During a fault phase, the fault output terminal outputs a fault signal, and the reset terminal receives the fault signal to control the timing controller and the power chip to reset in tandem.

Driving circuit, driving method, and display device

Disclosed is a driving method of a drive device, applied on a drive device. The method includes: receiving, by the first control chip, target display data, and processing, by the first control chip, the target display data to obtain a conversion clock signal, a frame synchronization signal and a pre-processed display signal; obtaining, by the second control chip, a result clock signal based on the conversion clock signal and the frame synchronization signal, a period of the result clock signal and a period of the frame synchronization signal meet a preset condition; obtaining, by the second control chip, a result display signal based on the pre-processed display signal; and lighting, by the third control chip, the light emitting component based on the result clock signal and the result display signal. The present application also discloses a display device and a computer readable storage medium.

Driving method of display device, display device, and computer readable storage medium

A display panel adjustment method, display apparatus and storage medium. Detecting whether a persistence is created on a display panel by displaying a preset detection screen, locating all zones where a persistence has appeared in case where the persistence has been created on the display panel, and determining a target gate line which probably causes the persistence to appear on the display panel; by shortening the turn-on time of a target gate line, it is possible to decrease the probability of a parasitic capacitor being formed on the target gate line, or may decrease the charge held in the parasitic capacitor formed on the target gate line, and may further increase the discharge time of the parasitic capacitor, so as to mitigate or eliminate the persistence, and improve the display effect.

Display panel adjustment method, display apparatus and storage medium

An image processing method and apparatus, a storage medium, and a display device are provided in the present disclosure. The image processing method is used for image processing on the display device. The method includes the following. Target image data is received. Picture detection is performed on the target image data. Polarity adjustment is executed on a signal transmission line of the display device when the target image data satisfies a first grayscale-condition and/or a first area-condition. Exit polarity adjustment when the target image data satisfies a second grayscale-condition or a second area-condition, where a condition range in which the second grayscale-condition is satisfied is less than a condition range in which the first grayscale-condition is not satisfied, and a range in which the second area-condition is satisfied is less than a range in which the first area-condition is not satisfied. A non-transitory computer-readable storage medium and a display device are provided.

Image processing method, storage medium, and display device

A driving method for a backlight module and a display device are disclosed. The driving method includes: generating mapping information from each local dimming area to the corresponding piece of local area dimming data according to preset positional relationships between a backlight driving chip and lamp beads in the backlight module; receiving, by a timing control chip, a frame of display data, and converting the display data into panel driving data and corresponding multiple pieces of local area dimming data; receiving, by a backlight driving circuit, the multiple pieces of local area dimming data in sequence, turning on the channel corresponding to the current local dimming area in turn according to the mapping information, and driving the lamp beads in the current local dimming area.

Driving method of backlight module and display device

Disclosed are a text boundary processing method, a display panel and a computer-readable storage medium. The method includes: acquiring a grayscale value of each sub-pixel in a display panel; determining a current sub-pixel is a text boundary according to a grayscale value of the current sub-pixel and grayscale values of sub-pixels adjacent to the current sub-pixel; and interchanging grayscale values of a red sub-pixel and a blue sub-pixel in a sub-pixel group where the current sub-pixel is located, where, the sub-pixel group consists of the current sub-pixel and two sub-pixels adjacent to the current sub-pixel in a same row where the current sub-pixel is located.

Text boundary processing method, display panel, and computer-readable storage medium

The present application discloses a driver circuit and a display device, where the driver circuit includes a gamma circuit, the gamma circuit includes a gamma voltage generation chip and a gamma voltage output chip, the gamma voltage output chip includes a plurality of gamma voltage output circuits, and voltage maintenance circuits that are in one-to-one correspondence with the plurality of gamma voltage output circuits; and the gamma voltage generation chip generates different gamma voltages, which are output through corresponding gamma voltage output circuits.

Driver circuit and display device

Disclosed are a display panel and a display device. The display panel includes a substrate defining a display area, a fan-out area and a source driving chip. A feedback line is arranged in the display area. The source driving chip has a first state and a second state. When the source driving chip is in the first state, a first data signal is input by the source driving chip to the feedback line; when the source driving chip is in the second state, a voltage of the feedback line is fed back to the source driving chip, to allow the source driving chip to output a second data signal to a remaining line of the display area. In each column, a summed number of the first data signal is equal to a summed number of the second dpata signal.

Display panel and display device

A detection circuit and a scan drive circuit are provided. The detection circuit includes a comparison circuit and a determination circuit. The comparison circuit is configured to receive a low-level voltage and a scan output signal output from an nth level buffer, and generate a first intermediate signal according to the scan output signal and the low-level voltage signal. The determination circuit is configured to receive the first intermediate signal and the scan output signal of the nth level buffer output from the output terminal of the nth level buffer in the scan chip, and generate a control signal according to the first intermediate signal and the scan input signal, and output the control signal to the scan chip to control the scan chip to cut off output when a short circuit occurs.

Detection circuit and scan drive circuit

A display device and a short circuit detection method therefor are disclosed. The display device comprises: a display panel, a data driving circuit and a scanning driving circuit; the data driving circuit includes a digital-to-analog converter, an amplifier, a switch module and a sensor; an output terminal of the digital-to-analog converter is connected to a data line sequentially via the amplifier and the switch module; the sensor is connected to an external voltage source; and an input terminal and an output terminal of the switching module are disconnected when a feedback voltage received by the sensor is outside of a voltage value range defined by a first voltage source and a second voltage source.

Display device and short circuit detection method therefor

The data driver of the display panel of the present disclosure is configured to control an output mode of a data signal, and the output mode includes a first drive mode and a second drive mode. In different frames, data signals are outputted according to the first drive mode and second drive mode, respectively.

Display panel

The present disclosure relates to the field of display technology, and provides a display device, a display panel power supply system and a display panel power supply circuit thereof, the display panel power supply circuit includes: a power supply chip connected with an external power supply; and a gamma chip connected with the power supply chip and the data driving chip.

Display device, display panel power supply system and display panel power supply circuit

A data driving system of a liquid crystal display panel includes a timing control chip; a plurality of data driving chips; a plurality of first signal lines, which is used to transmit a predetermined data signal from the timing control chip to the plurality of data driving chips, each first signal line being provided between the timing control chip and one of the plurality of data driving chips in order to transmit the predetermined data signal from the timing control chip to the plurality of data driving chips; and a plurality of first transmission gates, each of which is provided on one of the plurality of first signal lines. The data driving system can significantly improve the quality of the received signal of the data driving chip, and can effectively avoid the error of the received signal.

Data driving system of liquid crystal display panel

The present invention provides an LCD detecting system including timing control (TCON) IC. The TCON IC includes a process unit to receive lock signal, a detecting control unit connected with the process unit, and a point-to-point transmission unit connected with the detecting control unit. The detecting control unit detects mode of the point-to-point transmission unit and sends a control signal to the process unit based on a detecting result. The TCON IC transmits timing control signal based on the control signal received by the process unit and starts to transmit normal RGB data. Priority of the control signal transmitted by the detecting control unit is higher than that of the lock signal. The present invention also provides an LCD detecting method. The present invention can increase the speed of detecting and time to market, enhance competitiveness, increase the speed of manufacturing analysis, saves working time and productivity, and reduces cost.

Growing community of inventors

Guangdong, China

Zhi Xiong