RFID tag
RGB light emitting diode package with improved color mixing...
RGB light emitting diode package with improved color mixing...
Robust group III light emitting diode for high reliability...
Robust Group III light emitting diode for high reliability...
Rod-shaped semiconductor device
Roll-to-roll fabricated light sheet and encapsulated...
Room temperature 3-5 micrometer wavelength HgCdTe heterojunction
Rules for efficient light sources using phosphor converted LEDs