| 摘要 |
PROBLEM TO BE SOLVED: To obtain a fluorescent particle having a coated layer with environmental resistance and ultraviolet resistance. SOLUTION: This fluorescent particle (1) has a coated layer (2) which comprises a glass such as a polymetalloxane having light transmission, etc., or a ceramic such as nitrogen silicon-based ceramic and is formed approximately on the whole surface. The fluorescent particle is provided with environmental resistance and ultraviolet resistance. |
