| 摘要 |
PROBLEM TO BE SOLVED: To provide a red color-emitting phosphor which efficiently radiates a red emission by a long wavelength ultraviolet ray or a short wavelength visible ray (from 350 nm to 420 nm), particularly by an exciting light having a wavelength of around 370 nm, and is practically employable for obtaining a white or an arbitrary color tone from one light-emitting diode, and an LED lamp using the phosphor. SOLUTION: In the phosphor radiating emission by excitation by a long wavelength ultraviolet ray or a short wavelength visible ray having a light- emitting wavelength of 350 nm to 420 nm, an Eu<3+> ion is arranged bidimensionally or unidimensionally. |
