| 简介 |
A wavelength conversion member includes a support and a wavelength conversion layer including a first phosphor having a composition represented by Formula (1) and having an emission peak wavelength in a range from 550 nm to 620 nm, and a second phosphor having a different emission peak wavelength and/or a full width at half maximum from the first phosphor. An amount of the first phosphor in the wavelength conversion layer is in a range from 20 mass % to 80 mass % relative to a total amount of the phosphors In Formula (1), M1 represents at least one of rare earth elements other than La and Ce, a total molar content percentage of Y, Gd, and Lu in M1 is 90% or more, and p, q, r, and s satisfy 2.7≤(p+q+r)≤3.3, 0≤r≤1.2, 10≤s≤12, and 0
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