형광체, 그의 제조 방법 및 발광 장치

• Main Authors: TANAKA MOTOI, YOSHIMATU RYO, TOYOSHIMA HIROAKI, AKABANE MASATO
• Format: Patent
• Language: Korean
• Published: 03.12.2020
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; SEMICONDUCTOR DEVICES

일반식 M1aM2bM3cAl3N4-dOd(단, M1은 Sr, Mg, Ca 및 Ba로부터 선택되는 1종 이상의 원소이고, M2는 Li, Na 및 K로부터 선택되는 1종 이상의 원소이고, M3은 Eu, Ce 및 Mn으로부터 선택되는 1종 이상의 원소이다)로 표시되는 조성을 갖는 소성물을 포함하고, 상기 a, b, c 및 d가 다음의 각 식을 충족하는 것을 특징으로 하는 형광체. 0.850≤a≤1.150 0.850≤b≤1.150 0.001≤c≤0.010 0.10＜d≤0.20 0.09≤d/(a+d)＜0.20 A phosphor including a fired product having a composition represented by general formula M1aM2bM3cAl3N4-dOd, wherein M1 is one or more elements selected from Sr, Mg, Ca, and Ba, M2 is one or more elements selected from Li, Na, and K, and M3 is one or more elements selected from Eu, Ce, and Mn, and wherein a, b, c, and d satisfy each of the following formulas: 0.850≤a≤1.150, 0.850≤b≤1.150, 0.001≤c≤0.010, 0.10<d≤0.20, and 0.09≤d/(a+d)<0.20.