| abstract |
The phosphor plate of the present invention includes a plate-shaped complex including a base material and a phosphor dispersed in the base material, and the absorbance at 455 nm when measuring the absorption spectrum of light with a wavelength of 300 nm to 700 nm is A 455 (% ), when the absorbance at 700 nm is A 700 (%), and the thickness of the phosphor plate is T (mm), (A 700 /A 455 )/T satisfies 0.01 to 1.00. |