Kunshan Go-visionox Opto-electronics Co., Ltd.

Xinquan Chen

Zheng Wang

Xiaobao Zhang

Xiujian Zhu

Mingwei Ge

Xiangqian Wang

Yuqing Wang

Tao Tang

Xuejing Zhu

Chong Han

Chunsheng Xu

Shuhuan Zhang

Haibin Jiang

A method for Gamma debugging. The method for Gamma debugging is applicable to a display panel including a first display area and a second display area. A light transmittance of the first display area is greater than that of the second display area. The method includes: selecting, in the second display area, a test area having a same shape and size as the first display area; obtaining a first present brightness value when the test area corresponds to a specified register value under a specified grayscale; determining a plurality of first target brightness values when the first display area corresponds to a plurality of register values under the specified grayscale, according to the first present brightness value and a linear relationship between register values and brightness of the display panel; and performing Gamma debugging on the first display area according to the first target brightness values.

Method and apparatus for gamma debugging

Provided are a driver chip and a display apparatus. The driver chip includes a digital module, an analog module, and a decoupling capacitor. The digital module is configured to generate a digital signal. The analog module includes a reference voltage source and a Gamma voltage generation circuit, an output terminal of the reference voltage source is electrically connected to an input terminal of the Gamma voltage generation circuit, and the Gamma voltage generation circuit is configured to generate a Gamma voltage according to a reference voltage outputted by the reference voltage source. The decoupling capacitor is connected between the digital module and the output terminal of the reference voltage source.

Driving chip and display apparatus

A driving method of a display panel is provided. The driving method of the display panel includes: within one frame, in a charging period of sub-pixels electrically connected to an iscan line, each multiplexing circuit charging N data lines electrically connected to the multiplexing circuit in a charging sequence of a first preset sequence; in a charging period of sub-pixels electrically connected to a jscan line, each multiplexing circuit charging the N data lines electrically connected to the multiplexing circuit in a charging sequence of a second preset sequence; the second preset sequence is different from the first preset sequence, and charging rankings of each data line electrically connected to each multiplexing circuit in at least two charging sequences are different, where N is an integer and N&#x2265;2, and i and j are positive integers and j&#x2260;i.

Driving method of display panel, display panel, and display device

The present application relates to a display device that is divided into a first region as a fingerprint recognition region and a second region as a display region with the first region having a first light transmittance greater than a second light transmittance of the second region. The light transmittance of the region corresponding to the fingerprint recognition module group in the display device of the present application can be increased, thereby further improving the sensitivity of the fingerprint recognition module group.

Display device

Disclosed is a display apparatus, comprising a first display region serving as a fingerprint identification region and a second display region serving as a display region, and comprising a display layer and a driver layer stacked in a stacking direction perpendicular to a plane where the display apparatus is placed. The display layer comprises a first electrode layer and a second electrode layer stacked in the stacking direction, and the driver layer comprises a plurality of driver units. In the first display region, the first electrode layer has a first part corresponding to the first display region, the second electrode layer has a second part corresponding to the first display region, and a projection of the first part in the stacking direction and a projection of the second part in the stacking direction are not completely overlapped.

Display apparatus

The present application provides a display data correction method, a display driving method and a display device. The display data correction method includes: receiving display data corresponding to pixel units of an irregularly-shaped display screen; determining whether the pixel units are in an area to be corrected; and if the pixel units are in the area to be corrected, correcting the display data corresponding to the pixel units to generate corrected display data.

Display data correction method, display driving method and display device

A voltage drop compensation system and method for a power supply inside a display panel, to solve technical problems of poor uniformity of screen brightness and high power consumption of the whole screen due to voltage drop of the power supply inside the display panel. The voltage drop compensation system includes a voltage detection circuit and a voltage compensation circuit, where the voltage detection circuit is configured to detect an ELVDD voltage of pixel units in each row; and the voltage compensation circuit is configured to compensate a data voltage of pixel units in each row based on a detected ELVDD voltage.

Voltage drop compensation system and method for power supply inside display panel

The present application discloses a method for driving a display apparatus. The display apparatus includes an OLED and a driver transistor. An anode of the OLED is connected to a source of the driver transistor, a drain of the driver transistor is connected to a positive power supply, a cathode of the OLED is connected to a negative power supply, and a voltage difference between the positive power supply and the negative power supply is in a range from 7.1 V to 9.6 V.

Method for driving display device

A method for driving an organic light-emitting display includes controlling a GIP signal and a data signal during a bootup process of the organic light-emitting display to enable the organic light-emitting display to sequentially pass through an initialization state, a black state, and a normal display state, to prevent a screen flicker problem of the organic light-emitting display during booting.

Drive method for organic light-emitting display by controlling GIP signal and data signal

A drive control circuit, a driving method thereof and a display device are provided. The drive control circuit includes a drive integrated circuit, a transmit control circuit, a scan drive circuit, and a pixel circuit. The drive integrated circuit adjusts a duty cycle of a drive signal to generate a first drive signal and transmits the first drive signal to the transmit control circuit. The drive integrated circuit decreases the amplitude of a data signal to generate a first data signal and transmits the first data signal to the scan drive circuit. The transmit control circuit converts the received first drive signal into a second drive signal with a preset duty cycle and transmits the second drive signal to the pixel circuit. The preset duty cycle of the second drive signal is greater than the duty cycle of the drive signal to be outputted.

Drive control circuit, driving method thereof, and display device

A method for driving a pixel structure is disclosed. The pixel structure is divided into a number of target pixel unit groups each equivalent to a theoretical pixel unit group. A color component of each sub-pixel in the target pixel unit group is determined according to a color component of each sub-pixel in the corresponding theoretical pixel unit group. In the present invention, the conventional pixel structure is compressed to render a color component of at least one sub-pixel in the target pixel unit group equivalent to a maximum value or an average value of color components of two sub-pixels in the corresponding theoretical pixel unit group, such that at least one sub-pixel in the target pixel unit group undertakes functions of two sub-pixels in the corresponding theoretical pixel unit group.

Growing community of inventors

Kunshan, China

Xinquan Chen