Patent ID: 8231227
Filing Date: 2012-07-31
Classification: G03B,H04N

Abstract:
1. A light source unit comprising: three light emitting devices in which light emitting diodes or laser oscillators are used as light sources thereof, wherein the three light emitting devices include: (i) a light emitting device in which a fluorescent material layer is disposed on a rotary member which emits light of red wavelength area, (ii) a light emitting device in which a fluorescent material layer is disposed on a rotary member which emits light of green wavelength area, and (iii) a light emitting device in which a fluorescent material layer is disposed on a rotary member which emits light of blue wavelength area; and an optical axis varying device for varying directions of optical axes of respective light beams emitted from the light emitting devices so as to coincide with one another; wherein at least one of the three light emitting devices comprises: