Sun Chemical Pigment Dispersions (IMAGE) University of Cincinnati Caption The Sun Chemical pigment dispersions, which provide e-paper with the same brilliant colorations of pigments printed on paper. Credit Gamma Dynamics LLC. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.