Light emitting device and lighting fixture provided with same
AssigneeNichia Corporation
InventorsAtsushi Bando, Keigo Nishida
Life of this patent
Estimating the term…
Loading patent…
AssigneeNichia Corporation
InventorsAtsushi Bando, Keigo Nishida
Estimating the term…
To provide a light emitting device that has an excellent color rendering property and a high light emission efficiency, and a lighting fixture provided with the same. A light emitting device including a light emitting element having a light emission peak wavelength in a range of 430 nm or more and 470 nm or less, and a fluorescent member including two or more kinds of rare earth aluminate fluorescent materials including at least one kind selected from the group consisting of a first fluorescent material having a composition represented by the following formula (I) (Y3(Al,Ga)5O12:Ce), a second fluorescent material having a composition represented by the following formula (II) (Lu3Al5O12:Ce), and a third fluorescent material having a composition represented by the following formula (III) (Y3Al5O12:Ce), a fourth fluorescent material having a composition represented by the following formula (IV) (A2[M11-pMn4+pF6]), and a fifth fluorescent material having a composition represented by the following formula (V) ((Sr,Ca)AlSiN3:Eu).
A light emitting device comprising a light emitting element having a light emission peak wavelength in a range of 430 nm or more and 470 nm or less, and
Dependencies are inferred from the claim text.