Abstract

The rapid adoption of LEDs in general illumination is fueled by high-power phosphor-conversion and direct color blue and red LED technology. Over the last several years technology development has boosted the efficacy of white high-power LEDs to greater than 100 lm/W even for devices with warm-white correlated color temperature and high color rendering index at operating conditions. In combination with advances in production cost reduction, LED-based luminaires are winning the battle against their conventional counterparts in applications where their energy efficiency, long life, and ruggedness lead to a cost of ownership advantage. This presentation will provide an overview of high-power LED technology, applications, and discuss challenges for future efficacy improvement and cost reduction. Article not available.

© 2011 Optical Society of America


More Like This
Superior warm-white light-emitting diodes integrated with quantum dot nanophosphors for high luminous efficacy and color rendering

Sedat Nizamoglu, Talha Erdem, Xiao Wei Sun, and Hilmi Volkan Demir
AWA2 CLEO: Applications and Technology (CLEO_AT) 2011

A New Era of Solid-State Lighting: LED Innovative Technology and Application

Vincent Chen
ThZ5 Asia Communications and Photonics Conference and Exhibition (ACP) 2009

The invention of high efficient blue LEDs and future Solid State lighting

Shuji Nakamura
JM1A.1 Fourier Transform Spectroscopy (FTS) 2016