| 摘要 |
The embodiment of the present disclosure provides yellow luminescent substance having high luminous efficiency. This fluorescent substance is represented by the formula (1):
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ (M 1-x RE x ) 2y Al z Si 10-z O u N w Cl ± €ƒ€ƒ€ƒ€ƒ€ƒ(1)
(in the formula, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Li, Na and K), and it emits luminescence with a peak within 500 to 600 nm when excited by light of 250 to 500 nm. |
