Chongqing Hkc Optoelectronics Technology Co., Ltd.

Hkc Corporation Limited

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Chongqing Advance Display Technology Research

Hkc Corporationlimited

Wenqin Zhao

Tao He

Yu-Yeh Chen

Yuyeh Chen

Yuhong Fu

Haijiang Yuan

Yu Wei Chen

Xiaoping Tan

Wei Chen

Jhenwei He

Yubo Gu

Dekang Zeng

Jhen-wei He

Li-Yi Chen

Yunchuan Hu

Liwei Zhu

This application discloses an inspection method and an inspection machine for a display panel. The inspection method includes the steps of: taking a picture of a to-be-inspected display panel to obtain a to-be-inspected image of the to-be-inspected display panel; removing high-frequency information in the to-be-inspected image to obtain a high-frequency-removed image; calculating a difference between the to-be-inspected image and the high-frequency-removed image to obtain a difference image; making a determination regarding the difference image by comparing the difference image with a preset threshold, determining that the display panel fails the inspection if the difference image exceeds the preset threshold, and determining that the display panel passes the inspection if the difference image does not exceed the preset threshold.

Inspection method and inspection machine for display panel

The present application discloses a display apparatus and a drive method thereof. The display apparatus includes a display panel, and a panel chive circuit configured to drive the display panel; and a timing controller respectively transmits a signal to source drivers and a gate driver via the bus.

Display panel and display apparatus

The disclosure discloses a driving method and a circuit of a display panel and a display device. The driving method includes the following steps: acquiring image data of a screen to be displayed; acquiring a voltage polarity corresponding to each row of image data in the image data, in responding to a determination that the image data of the screen to be displayed are image data of a heavy-load screen; sorting rows of image data according to voltage polarities and generating sorting labels; compensating image data voltage of a corresponding row according to the sorting labels; scanning gate lines of the display panel in sequence according to the sorting labels; and outputting compensated image data of the corresponding row to a corresponding data line of the display panel to display the screen to be displayed.

Driving method and circuit of display panel and display device

The present application discloses a driving method and a driving system for a display panel. The driving method includes: dividing the display panel into two compensation regions in units of sub-pixels; and outputting a driving voltage according to the compensation region which a sub-pixel belongs to.

Driving method and driving system for display panel

A protection circuit, comprising: a transient suppression circuit, configured to suppress a transient voltage; and a short-circuit protection circuit connected between the transient suppression circuit and a ground terminal, wherein when the transient suppression circuit is shorted out and the transient voltage is a protection voltage, the short-circuit protection circuit disconnects a loop where the transient suppression circuit is located. The short-circuit protection circuit has a turned-on state and a turned-off state; the short-circuit protection circuit is in a turned-on state when the transient suppression circuit is shorted out and the transient voltage is greater than the protection voltage; and the short-circuit protection circuit is in a turned-off state when the transient suppression circuit is shorted out and the transient voltage is a protection voltage.

Protection circuit

A display device and a driving method, comprising: a time sequence controller generating a time sequence control verification signal on the basis of a display data signal; a high-speed interface of the time sequence controller transmitting the display data signal to a driver, and a low-speed interface of the time sequence controller transmitting a time sequence control verification signal to the driver; the driver generating a source driving verification signal on the basis of the display data signal; the driver comparing the source driving verification signal to the time sequence control verification signal; and on the basis of the comparison result, the driver triggering the time sequence controller to adjust the display data signal.

Display device and driving method

This application discloses a display panel testing apparatus and testing method. When a data control circuit receives a first enable signal generated by a switching signal generation circuit, the data control circuit controls a data interface that is output by the data control circuit to be in a high-impedance state.

Display panel testing apparatus and testing method

The present disclosure illustrates a driver device and a driving method for a display panel. The driver device includes a source driver module, M positive output buffer modules, a positive input selection module, a positive output selection module, N negative output buffer modules, a negative input selection module and a negative output selection module. The driver device selects, according to the drive polarity and magnitude of the inputted drive signal, the corresponding positive output buffer module or negative output buffer module for data buffering of the display panel.

Driver device and driving method for display panel

Disclosed is a data processing method, the data processing method includes: determining image data captured in preset grayscale; determining first compensation data of display defect according to the image data; and generating compensation data of the display defect according to the first compensation data and data of the preset grayscale.

Data processing method, display device, and computer-readable storage medium

The present application relates to the technical field of display and provides a display panel and an image control device and an image control method thereof; wherein, the image control device includes a high-voltage gamma module, a low-voltage gamma module and a first selection module.

Display panel, and image control device and method thereof

A driving method of a display device, a data driving integrated circuit, and a display panel are provided. The driving method comprises: acquiring a voltage signal and a data polarity reversal signal to be transmitted; when the data polarity reversal signal is a predetermined level, comparing a voltage of the voltage signal with a predetermined drive voltage, and selecting a corresponding drive voltage according to a comparing result; and driving liquid crystal molecules according to the selected drive voltage.

Driving method of display device, data driving integrated circuit and display panel

This application provides a display apparatus and a driving method therefor. The display apparatus includes: a display panel, including a first input line and a first output line, where the first input line obtains a common voltage, and the first output line outputs a common feedback voltage; a voltage regulating unit, including a second output line, where the second output line outputs the common voltage; and a timing controller, including a control line and a second input line, where the control line outputs a voltage regulating signal, and the second input line obtains the common feedback voltage, where the timing controller continuously obtains the common feedback voltage, and selects, from common feedback voltage values, several voltage values as a regulation condition, and outputs the voltage regulating signal according to the regulation condition, where the voltage regulating unit regulates the common voltage according to the voltage regulating signal.

Display apparatus for alleviating a problem of image flicker by regulating a common voltage

This application relates to a display panel and a pre-charge switching method for pixel units thereof. A timing controller of the display panel stores a gray-scale threshold. The timing controller calculates a gray-scale eigenvalue by using a first gray-scale parameter corresponding to pixel units in a first row and a second gray-scale parameter corresponding to pixel units in a second row, and pulls up a potential of a pre-charge signal when determining that the gray-scale eigenvalue satisfies a condition of the gray-scale threshold. A gate drive unit provides a scanning signal to a gate line in a second row within a period of providing a scanning signal to a gate line in a first row when the pre-charge signal is at a high potential.

Display panel and pre-charge switching method for pixel units thereof

This application relates to an image processing method of a display device, The method includes: dividing a picture of a display device into several main pixel blocks and several sub pixel blocks; adjusting white dot coordinates by using a gamma module; obtaining a high-voltage grayscale lookup table by using a high-voltage gamma module and obtaining a low-voltage grayscale lookup table by using a low-voltage gamma module; selecting to output the high-voltage grayscale lookup table or the low-voltage grayscale lookup table by using a first selection module; calculating a color saturation of the picture of the display device by using a color saturation calculation module; and adjusting, by a second selection module, a chromatic visible angle value in the display device according to the color saturation and the white dot coordinates, the high-voltage grayscale lookup table or the low-voltage grayscale lookup table.

Image processing method of display device, image processing structure, and display device

The embodiment of the present invention discloses a control device of a display panel and a control method, wherein the control method of the display panel comprises: detecting a temperature of a chip of a source driver of the display panel, and to generate a notification signal according to the temperature; obtaining a temperature of the notification signal, and generating a control signal according to the temperature if the temperature exceeds preset temperature range thresholds; switching a polarity inversion manner of the display panel according to the control signal. The present invention adjusts the power consumption of the display panel by adjusting the polarity inversion manner so that the display panel can work with the proper power consumption. Thus, the chip of the source driver can be ensured to be in the normal work temperature range to guarantee the normal operation of the display panel and decrease of the failure.

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Chongqing, China

Wenqin Zhao