Speckle Contrast as Low as LED for High Luminance Phosphor-Converted Lamp Excited by InGaN/GaN Blue Laser Diodes

摘要

A white lamp with a spectrum consisting of blue output from InGaN/GaN laser diodes and yellow phosphor emission has achieved a luminance as high as 140Mcd/m~2. Despite using the lasers, this lamp is suitable for various lighting applications because of its completely speckle-free PWM dimming performance.