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Design of AM-OLED Gamma Correction System Based on the LUT

【摘要】:Gamma correction is used to correct for the nonlinear relationship between luminance and brightness,to vision infor mation of reproduction source objects truly.So the p rinciple of Gamma correc tion in OLED is described.For the gray scale distortion of the SVGA050 m icro-display which is caused by the difference between the optical and electrical characteris tic property,we proposed a LUT Gamma correction system of AM-OLED which is used the PIC18LF2550 as the MCU and the master of the I 2 C serial bus.The developm ent of the hardware system measurement verified the correction of VGA and CVBS video input and the p icture quality also apparently improved.

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