1. Small companies fight for a foothold in white LED sector;Phillips;LEDs Mag.,2005
2. LEDs lead the way in white-light applications;Kincade;Laser Focus World,2006
3. Unique LED technologies seek place in general lighting;Gaughan;R&D Mag.,2005
4. Luminescence mechanism of highly efficient YAG and TAG phosphors;Nazarov;Moldavian J. Phys. Sci.,2005
5. Patent applications and subsequent changes of performance: evidence from time-series cross-section analysis on the firm level;Ernst;Res. Policy,2001