AMOLED display screen linear crosstalk compensation method and device

Abstract

The invention discloses an AMOLED display screen linear crosstalk compensation method and device, and belongs to the AMOLED display technical field. According to the AMOLED display screen linear crosstalk compensation method and device, the method specifically comprises the following steps: carrying out change intensity statistics on adjacent upper and lower scanning line data line voltage data; calculating a linear crosstalk single-line compensation value according to the overall change intensity of the current scanning line; carrying out the filtering summation on compensation values required by data line voltages of all nearby scanning lines, and calculating linear crosstalk multi-line compensation values; superimposing the linear crosstalk multi-row compensation value on the current scanning row input data and outputting the linear crosstalk multi-row compensation value. According to the method provided by the invention, picture abnormity caused by linear crosstalk can be effectively eliminated, and particularly, the display effect can be obviously improved when display contents including white background black characters, white background black frames, white background black lines and the like are included.

Description

technical field [0001] The present invention relates to the field of AMOLED display technology, and more specifically, to a method and device for compensating linear crosstalk of an AMOLED display screen. Background technique [0002] AMOLED display has the advantages of active light emission, high contrast, fast response, low power consumption, thin and light, etc. However, when the contrast of the display screen is high, the phenomenon of linear crosstalk often occurs, which greatly affects the display effect. [0003] Simply put, crosstalk is a phenomenon in which electromagnetic energy transmitted on a line is coupled to adjacent lines through distributed parameters due to the presence of distributed capacitance and distributed inductance between lines, resulting in electromagnetic interference. In the AMOLED display driving circuit, the driving voltage ELVDD of the pixel electrode will be disturbed by the voltage Vdata of the data line. When the voltage of the data lin...

AI Technical Summary

Problems solved by technology

Traditional solutions often reduce the coupling capacitance by improving the manufacturing process of the AMOLED drive circuit, that is, by changing the distribution and distance between the pixel electrode and the data line, the influence of the coupling capacitance on the driving voltage of the pixel electrode can be reduced, thereby reducing the line type. Crosstalk phenomenon, but can not be completely eliminated, in order to further improve the display effect of AMOLED display, it is necessary to design and develop a compensation circuit module to eliminate linear crosstalk in the AMOLED driver chip

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