Hkc Corporation Limited

Chongqing Hkc Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Tencent Technology (shenzhen) Company Limited

Beihai Hkc Optoelectronics Technology Co., Ltd.

Shenzhen Goodix Technology Co., Ltd.

Chongqing Advance Display Technology Research

Chongqing Hkc Optoelectronics Co., Ltd.

Hkc Corporation Limiied

Hkc Corpor Ation Limited

Mingliang Wang

Bin Zhou

Haoxuan Zheng

Dongsheng Guo

Rongrong Li

Wei Wei

Liang Zhang

Zhi Xiong

Lidan Ye

Ming Liang Zhu

Junfeng Xie

Luhong Zhou

Ruidi Ran

Guochao Yin

Lihua Hu

A display apparatus and an electronic device are provided in the disclosure. The display apparatus includes N scan lines extending in a row direction and arranged in a column direction and N rows of sub-pixel units electrically connected to the N scan lines in one-to-one correspondence. The display apparatus further includes at least one parasitic capacitance charge-sharing circuit. For each of the at least one parasitic capacitance charge-sharing circuit, the parasitic capacitance charge-sharing circuit is disposed between corresponding two adjacent scan lines, a time point at which a former scan line of the two adjacent scan lines completes reception of a scan signal precedes a time point at which a latter scan line of the two adjacent scan lines begins reception of a scan signal by a scan-period interval.

Display apparatus and electronic device

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

A driving method and a display device are disclosed. The driving method drives the display panel according to a common voltage look-up table, and the common voltage look-up table is generated by a method including: driving a preset area for display with a preset area gray-scale value; shooting the preset area and obtaining a brightness and a flicker value corresponding to the preset area; adjusting the common voltage value multiple times, and recording the common voltage value when the corresponding flicker value is the minimum as the optimal common voltage value; adjusting the preset area gray-scale value multiple times, and recording a plurality of optimal common voltage values corresponding to the adjusted preset area gray-scale values; and generating the common voltage look-up table according to the multiple preset area gray-scale values and the corresponding optimal common voltage values.

Driving method and display device

The present application refers to a control method and control device of a drive circuit, and a drive circuit. The control method of the drive circuit includes: acquiring a bus address in a bus signal. The bus signal is a signal transmitted over an I2C bus, and the I2C bus is connected to a timing controller. The control method further includes: if the timing controller determining that the bus address matches an address of the timing controller, transmitting a frequency adjustment signal to a controllable power supply with an adjustable operating frequency and connected to the timing controller. The frequency adjustment signal is configured to indicate that an operating frequency of the controllable power supply is adjusted from a first operating frequency to a second operating frequency. The second operating frequency is higher than the first operating frequency.

Control method and control device of drive circuit and drive circuit

Disclosed are a gate-on voltage generation circuit, a display panel driving device and a display device. The gate-on voltage generation circuit includes an on/off voltage output terminal, a power management integrated circuit and a voltage switching circuit. The power management integrated circuit includes a detection terminal connected to the on/off voltage output terminal, is configured for detecting a voltage output by the on/off voltage output terminal, and outputting first switch control signal or second switch control signal according to the voltage output from the on/off voltage output terminal. The voltage switching circuit includes a first input terminal for inputting a first voltage value and a second input terminal for inputting a second voltage value larger than the first voltage value. The voltage switching circuit outputs the first voltage value upon receiving the first switch control signal, and outputs the second voltage value upon receiving the second switch control signal.

Gate-on voltage generation circuit, display panel driving device and display device

The present application discloses a driving method and a drive circuit of a display panel. The driving method includes the following steps: according to the distance from the data driving chip, the display panel is divided into a plurality of charging regions in advance, each charging area is provided with a unique digital code, and the corresponding information of the charging area and the digital code is stored in the timing control chip in advance; detecting a charging area where the pixel to be charged is located, and outputting a corresponding digital code according to the charging area by a timing control chip; the gamma chip receives the digital code and generates a gamma voltage corresponding to the digital code according to the input operating voltage to drive charging operation of the charging area corresponding to the digital code.

Driving method and drive circuit of display panel

This application discloses a display device driving method and a display device. The driving method includes steps of: synchronously starting a backlight circuit, a timing control circuit and a power circuit; outputting a first signal after the timing control circuit is initialized; outputting a second signal after the power circuit is started; and controlling a gate driver to output a drive signal according to the first signal and the second signal.

Display device driving method, and display device

The present disclosure relates to a method for controlling a timing controller and a timing controller. The method for controlling the timing controller includes: acquiring a bus address in a bus signal transmitted over an I2C bus, the I2C bus being connected to the timing controller; if the timing controller determining that the bus address matches an address of the timing controller, acquiring data information in the bus signal; acquiring an address of a target function circuit according to the data information; generating and transmitting a query instruction to a memory according to the address of the target function circuit, and receiving switch control data corresponding to the target function circuit fed back by the memory; controlling, according to the switch control data, a switch connected to the target function circuit to be turned on.

Timing controller control method and timing controller

A lock state monitoring apparatus, a method, a lock driving apparatus and a lock assembly. The lock state monitoring apparatus includes: a rheostat and a first load, where a movable contact end of the rheostat is connected with a first end of the first load, and a first fixed end of the rheostat and a second end of the first load are configured to bear a first voltage; the movable contact end of the rheostat is configured to be connected with an output axis of a drive motor in the lock; the first fixed end and the movable contact end of the rheostat, or two ends of the first load, are configured to be connected with a main control board in the lock to output a first voltage signal to the main control board, so that the main control board determines a lock state according to the first voltage signal.

Lock state monitoring apparatus, method, lock driving apparatus and lock assembly

A signal adjusting circuit includes an identification circuit, an analysis circuit and an adjusting circuit; where the identification circuit is configured to acquire row data to be transmitted and identify the type of each data; the analysis circuit is connected with the identification circuit and is configured to analyze the data type of the row data according to the type of each data and output an adjusting instruction when the row data type meets or exceeds a preset data type criterion; the adjusting circuit is connected with the analysis circuit and is configured to adjust the transmission amplitude of the output data signal according to the adjusting instruction.

Signal adjusting circuit and method and display device

The present application discloses a display module () and a display apparatus (). The display panel () includes a heat dissipation structure () for dissipating heat of a source driver (). The heat dissipation structure () is adhered to an upper surface () of the source driver () far away from the printed circuit board (), and at least one side or top corner of the upper surface () is not adhered with the heat dissipation structure.

Display panel and display apparatus

The present application discloses a drive circuit, a display module driving method and a display module. The drive circuit includes: a timing control chip, configured to output a state signal; a control circuit, configured to receive the state signal and output a ready signal; and a gate drive circuit, configured to control, according to the ready signal, whether a display screen displays a picture or not.

Drive circuit, display module driving method and display module

A display control apparatus includes a data driver, a timing controller, and a control circuit. The data driver a data output circuit that is configured to output data signals. The timing controller is configured to output data control signals that control the signal input of the data driver and include a frame start signal Vand a conventional signal V. The control circuit is electrically connected with the timing controller and the data output circuit (), and is configured to input signals to the data output circuit according to the data control signals.

Display control apparatus and display device

A display device comprises a power supply chip configured to output a gate-on voltage; a gamma chip configured to provide a gamma voltage; a detection resistor having a first terminal and a second terminal, wherein the first terminal is grounded; a display panel comprising a plurality of sub-pixels, a plurality of driving transistors and at least one detection transistor; wherein a gate electrode of the driving transistor receives the gate-on voltage, a first electrode of the driving transistor receives the gamma voltage, and a second electrode of the driving transistor is electrically connected to a corresponding sub-pixel; a gate electrode of the detection transistor receives the gate-on voltage, a first electrode of the detection transistor receives a test voltage, and a second electrode of the detection transistor is electrically connected to the second terminal; and a control circuit electrically connected to the second terminal.

Growing community of inventors

Chongqing, China

Mingliang Wang