| 摘要 |
A fluorescent material is configured with a phosphor containing material, and fine particles dispersed in the phosphor containing material. The fine particles have a refractive index lower than that of the phosphor, and external shapes of the fine particles may be various shapes such as a spherical shape, a rectangular parallelepiped shape, a cone shape, a trigonal pyramid shape, or an indefinite form. Further, the fine particles 12 of a plurality of different shapes may be mixed and dispersed in the phosphor containing material. |
