Opportunity and challenge of RE lamps (continued)

摘要

Ⅳ' Development trend of phosphors and proposals 1' Development trend of phosphors From the new developing trend of phosphors for lamps at home and abroad,it is necessary to improve the luminescent efficiency,color rendering,luminous flux maintenance and secondary characteristics of rare earth phosphors and keep consistence of those properties.Research,development,production and application of rare earth phosphors for lamps should not be limited to trichromatic phosphors but be ex-