OXYNITRIDE-BASED PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE SAME
PROBLEM TO BE SOLVED: To provide a phosphor of a new composition having a wide half-value width of emission peaks, and emitting light ranging yellow to orange.SOLUTION: This phosphor contains alkaline earth metal elements essentially including Ba, tetra-valent metal elements essentially including Si...
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creator | IMURA HIROYUKI YOSHIMURA FUMITAKA YOSHIDA HISAFUMI |
description | PROBLEM TO BE SOLVED: To provide a phosphor of a new composition having a wide half-value width of emission peaks, and emitting light ranging yellow to orange.SOLUTION: This phosphor contains alkaline earth metal elements essentially including Ba, tetra-valent metal elements essentially including Si, tri-valent metal elements essentially including Al, a nitrogen element, an oxygen element and Eu and/or Ce, where the phosphor comprises a crystal phase satisfying specific conditions of diffraction peaks observed in a range of 2 =7.000° to 28.016° in the powder X-ray pattern measurement. |
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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 |
title | OXYNITRIDE-BASED PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE SAME |
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