PHOSPHOR, LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, IMAGE DISPLAY DEVICE, AND INDICATOR LAMP FOR VEHICLE
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Dec 4, 2023
filing date -
Jan 20, 2022
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Abstract
A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and having a minimum reflectance of 20% or more in a specific wavelength region, in which the specific wavelength region is from the emission peak wavelength of the phosphor to 800 nm, and a light-emitting device comprising the phosphor.
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