Display control method and its device for LED display screen non-linear correction
一种LED显示屏、显示控制方法的技术,应用在静态指示器、仪器等方向,能够解决成本高、硬件电路复杂等问题,达到增强层次感、增大可分辨显示灰度级的效果
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[0022] The non-linear correction display control method of LED display screen comprises the following steps: (1) constructing a non-linear correction curve; (2) forming non-linear correction data according to the constructed non-linear correction curve; (4) forming and storing a non-linear data storage table In the nonlinear memory, the data in the nonlinear memory is stored according to the data calculated by the nonlinear curve function; (5) Grayscale data reading and scanning: read all the grayscale data stored in the grayscale memory And scan, compare all the grayscale data with the address data of the non-linear memory, if it is greater than or equal to, output 1, otherwise output 0, and the scanning is completed in sequence. (6) Data sending: output the corrected gray scale data to the display screen.
[0023] Non-linear correction curve, similar to Y=KX r Type of function curve, where r is the nonlinear correction coefficient. According to the visual characteristics of...
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