| 摘要 |
PROBLEM TO BE SOLVED: To realize a lighting device suitable for higher pump output, in particular, a lighting device for projection.SOLUTION: This invention relates to a lighting device in which both fluorescent body wheels are arranged relatively with respect to an optical path of a pump light source in such a way that a first fluorescent body area of a first fluorescent wheel may be rotated through the optical path of the pump light source, a first transparent area of the first fluorescent body wheel may be rotated through the optical path of the pump light source, and a second fluorescent body area of a second fluorescent body wheel may be rotated through the optical path of the pump light source at a rear part of the first transparent area of the first fluorescent body wheel. |
