Phosphor-conversion light-emitting diode (LED) lamps were fabricated by precoating blue/green/red phosphors onto near-ultraviolet (n-UV) LED chips prior to packaging them into LED lamps. With a 20 mA injection current, it was found that the color temperat
關聯:
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS