Shenzhen China Star Optoelectronics Technology Co., Ltd.

Tcl China Star Optoelectronics Technology Co., Ltd.

Yugang Bao

Jian He

Shen-sian Syu

Yichien Wen

A display device and display method thereof are provided. The display device includes an image capture unit, a grayscale value capture unit, a grayscale value difference calculating unit, a grayscale difference threshold setting unit, and a pixel pattern output unit. In the display method of the present disclosure, weighted weight calculations managing different line types are correspondingly added, therefore, the color aliasing may be effectively avoided, and image features may be restored to the utmost.

Display device and display method thereof

The invention provides an AMOLED display device and driving method thereof. The AMOLED display device comprises: a driving circuit () and a display panel () connected to the driving circuit (); the display panel () comprising a plurality of sub-pixels arranged in an array form, and the sub-pixels further comprising red sub-pixels (R), green sub-pixels (G), blue sub-pixels (B), and white sub-pixels (W); the driving circuit () inputting a Gamma control signal (Gamma_change), and outputting a red Gamma voltage curve (Red_Gamma), a green Gamma voltage curve (Green_Gamma), a blue Gamma voltage curve (Blue_Gamma), and a white Gamma voltage curve (White_Gamma); based on different Gamma control signal (Gamma_change), the driving circuit () drives the display panel () with different sub-pixel arrangements to reduce manufacturing cost, and improve competitiveness.

AMOLED display device and driving method thereof

An adjusting method of display parameter and a liquid crystal display (LCD) system are provided. The adjusting method includes: obtaining a first luminance value and a second luminance value when a LCD panel displaying a minimum grayscale image and a maximum grayscale image respectively; based on the first luminance value, the second luminance value and a standard Gamma curve of the LCD panel, obtaining each target luminance value conforming to the standard Gamma curve and corresponding to each grayscale; based on the target luminance value of each grayscale and a relationship between grayscale voltage and luminance obtained in advance, obtaining a target grayscale voltage of each grayscale; and adjusting a grayscale voltage of each grayscale to be the target grayscale voltage of the grayscale to thereby achieve Gamma adjustment. By the above method, automatic adjustment of display parameter for the LCD panel can be achieved.

Adjusting method of display parameter and liquid crystal display system

An adjustment circuit for measuring an optical parameter is disclosed. The adjustment circuit includes an optical sensing module for detecting an optical signal and converting the detected optical signal into a voltage signal; an amplification module for amplifying the voltage signal; an A/D conversion module for converting the amplified voltage signal into a digital signal; a control module for analyzing the digital signal for generating an analyzed result; a signal generating module for outputting a frequency square wave signal according to the analyzed result; and an adjustment module for adjusting an amplification factor of the amplification module according to the frequency square wave signal. The circuit of the present disclosure is easy, and an automatic measurement can be implemented.

Adjustment circuit and method for measuring optical parameter and optical measurement system

An auto-zero circuit of an operational amplifier is disclosed, and the auto-zero circuit has: a micro-control unit and a digital potentiometer; the micro-control unit is used to obtain a voltage value of an offset voltage of the output end when there is no input in the operational amplifier, and generates a control signal which causes the voltage value of the offset voltage to be smaller than a first threshold value according to the voltage value of the offset voltage; the digital potentiometer is used to adjust a resistance thereof according to the control signal.

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Guangdong, China

Yugang Bao