PHOSPHOR AND LIGHT-EMITTING DEVICE BY USING THE SAME
PROBLEM TO BE SOLVED: To provide a cerium-activated yttrium-aluminum-garnet-based phosphor emitting a yellow color-based light, excellent in temperature characteristics and showing high brightness, a method for producing the phosphor stably, a phosphor-containing composition and a light-emitting dev...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
06.03.2008
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a cerium-activated yttrium-aluminum-garnet-based phosphor emitting a yellow color-based light, excellent in temperature characteristics and showing high brightness, a method for producing the phosphor stably, a phosphor-containing composition and a light-emitting device by using the same, and an image-display and illuminating device by using the light-emitting device. SOLUTION: This phosphor is provided by having a chemical composition expressed by the following formula [1], and satisfying the following formula [2]. (Ln3-a-bCeaTbb)M5O12---[1]. 86≤äI(125)/I(25)}×100≤110---[2]. COPYRIGHT: (C)2008,JPO&INPIT |
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Bibliography: | Application Number: JP20060229430 |