SemiLEDs proudly announces its power improvements in its EV-LED family allowing single-chip emitters to achieve over 130lm/W. SemiLEDs announced its recent improvements in both epitaxial quality and chip process to its EV- family of LED chips. These improvements allowed a 10% increase in blue chip brightness and 8% decrease in forward voltage (Vf) during mass production, enabling its clients to achieve over 130lm/W with cool white and 110lm/W with warm white. The measurements were taken at 350mA. With Enhanced Vertical (EV) technology, SemiLEDs was abl...