FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE
The phosphor according to an aspect of the present disclosure contains a crystal phase having a chemical composition Ce x Y y La 3-x-y Si 6 N 11 , where x and y satisfy 0 < x ¤ 0.6, and (1.5 - x) ¤ y ¤ (3 - x). The phosphor has an emission spectral peak within a wavelength range of 600 nm or m...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
31.07.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The phosphor according to an aspect of the present disclosure contains a crystal phase having a chemical composition Ce x Y y La 3-x-y Si 6 N 11 , where x and y satisfy 0 < x ¤ 0.6, and (1.5 - x) ¤ y ¤ (3 - x). The phosphor has an emission spectral peak within a wavelength range of 600 nm or more and 660 nm or less and a first excitation spectral peak within a wavelength range of 480 nm or more and 550 nm or less. |
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Bibliography: | Application Number: EP20170780614 |