18938452. ILLUMINATION DEVICE AND PROJECTOR (SEIKO EPSON CORPORATION)
ILLUMINATION DEVICE AND PROJECTOR
Organization Name
Inventor(s)
Koichi Akiyama of AZUMINO-SHI JP
ILLUMINATION DEVICE AND PROJECTOR
This abstract first appeared for US patent application 18938452 titled 'ILLUMINATION DEVICE AND PROJECTOR
Original Abstract Submitted
An illumination device includes a first light source unit configured to emit first light in a first wavelength band, a second light source unit configured to emit second light in a second wavelength band different from the first wavelength band, a light combining element configured to combine the first light and the second light to emit composite light, a diffusion member configured to diffuse the composite light emitted from the light combining element, and a concave mirror configured to collect the composite light emitted from the light combining element to cause the composite light collected to enter the diffusion member.