| 摘要 |
PROBLEM TO BE SOLVED: To provide a wavelength converter which is excellent in optical output.SOLUTION: A wavelength converter comprises a base plate and a wavelength conversion member provided on the base plate. The wavelength conversion member comprises phosphor powder and a support supporting the phosphor powder. The support has recesses which are provided on an upper surface of the wavelength conversion member in such a manner that side faces of the phosphor powder are exposed. |
