Patent ID: 7432642

Claim:
A light emitting device comprising: a semiconductor light emitting element; and a phosphor which for converting a part of a luminescence spectrum emitted from said semiconductor light emitting element, wherein: the luminescence spectrum of said semiconductor light emitting element is located between a near ultraviolet region and a short-wavelength visible region; said semiconductor light emitting element has a main peak in a range from 360 nm to 400 nm; and said phosphor is represented by a general formula of (M 1-x-y Eu x M′ y ) 2 B 5 O 9 M″, where M is at least one selected from the group consisting of Mg, Ca, Ba, and Sr, M′ is at least one selected from the group consisting of Mn, Fe, Cr, Sn, 0.0001≦x≦0.5, and 0.00011≦y≦0.5, and M″ is at least one halogen selected from the group consisting of F, Cl, Br, and I.