Comparison of photoluminescence intensity of red phosphors (image) Toyohashi University of Technology (TUT) Share Print E-Mail Caption LTT phosphor (left), LNT phosphor (right) Credit COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED. Usage Restrictions None Share Print E-Mail 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.