PHOSPHOR MATERIAL AND LIGHT-EMITTING DEVICE
A phosphor material according to an embodiment of the present disclosure contains a major component represented by the formula A2-v-w-x-yBvLnwEuxSmyM2-zDzO8, where A is one or more elements selected from the group consisting of alkaline-earth metal elements; B is one or more elements selected from t...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
04.06.2015
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Subjects | |
Online Access | Get full text |
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Summary: | A phosphor material according to an embodiment of the present disclosure contains a major component represented by the formula A2-v-w-x-yBvLnwEuxSmyM2-zDzO8, where A is one or more elements selected from the group consisting of alkaline-earth metal elements; B is one or more elements selected from the group consisting of alkali metal elements; Ln is one or more elements selected from the group consisting of rare-earth elements other than Eu and Sm; M is one or more elements selected from the group consisting of W and Mo; D is one or more elements selected from the group consisting of Nb and Ta; and v, w, x, y, and z satisfy the inequalities 0 v 0.5, 0.15 x+y 0.7, 0 y 0.05, and 0<z 1.7 and the equation w+x+y=v+z. |
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Bibliography: | Application Number: US201414553024 |