Abstract:

Using the FPGA control module,a dynamic true color image drive control circuit of OLED is designed.In this paper,the method for realizing the external OLED circuit and the 256-level gray scale display by using the FPGA is introduced;the role of the module in the circuit and the work process of the entire circuit is also analyzed.Based on Altera's FPGA technology and using the Verilog HDL language the circuit system is designed.The Modelsim simulation results show that the program can achieve the target of realizing 480×RGB×640 color OLED screen and 256-level gray scale display.

Key words: OLED;FPGA;256-level gray scale;external control circuit