The phosphor 9, wherein the element M is at least one kind of element selected from the group consisting of Mg, Ca, {HEAD ~ Sr}, Ba, and Zn, {TAIL ~ the element} 
The phosphor 9 , wherein the element M is at least one kind of element selected from the group consisting of Mg , Ca , { HEAD ~ Sr } , Ba , and Zn , { TAIL ~ the element }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL