Improved yellow phosphors for solid state white lighting

Improved yellow phosphors for solid state white lighting

Most of the commercial white LED lamps use blue chip coated with yellow emitting phosphor. YAG:Ce3+ phosphor is coated on blue chip to obtain white light. Though this is commercially successful, there are several drawbacks such as “halo effect”, poor colour rendition, etc. In recent years several ef...

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Bibliographische Detailangaben
Hauptverfasser: Yadav, P. J., Meshram, N. D., Joshi, C. P., Moharil, S. V.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Cerium
Diodes
Phosphors
White light
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:Most of the commercial white LED lamps use blue chip coated with yellow emitting phosphor. YAG:Ce3+ phosphor is coated on blue chip to obtain white light. Though this is commercially successful, there are several drawbacks such as “halo effect”, poor colour rendition, etc. In recent years several efforts have been made to improve LED lamp performance. These may be classified as 1> finding replacement for YAG:Ce and 2> improving performance of YAG:Ce.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4946250