| 摘要 |
PROBLEM TO BE SOLVED: To provide a phosphor that gives a phosphor layer realizing higher luminance. SOLUTION: The phosphor comprises a compound represented by formula (1): 3(M<SP>1</SP><SB>1-x</SB>Eu<SB>x</SB>)O-mM<SP>2</SP>O-nM<SP>3</SP>O<SB>2</SB>(wherein M<SP>1</SP>is at least one element selected from the group consisting of Ca, Sr and Ba; M<SP>2</SP>is Mg and/or Zn; M<SP>3</SP>is Si and/or Ge; the value of m is at least 0.9 and at most 1.1; the value of n is at least 1.8 and at most 2.2; and the value of x is at least 0.00016 and less than 0.003). COPYRIGHT: (C)2007,JPO&INPIT
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