Light emitting device with phosphor having high luminous efficacy
A Standard patent application filed on 30 November 1999 credited to Srivastava, Alok Mani
;
Levinson, Lionel Monty
Details
Application number :
20338
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Light emitting device with phosphor having high luminous efficacy