Light-emitting device and projection ray machine

• Main Authors: GUO ZUQIANG, XIE JITAO, LI YI, WANG ZEQIN
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHOTOGRAPHY; PHYSICS

The invention provides a light-emitting device and a projection light machine. The light-emitting device can comprise a first excitation light source, a double-sided color wheel, a light splitting and combining device, a first reflecting sheet, a second reflecting sheet and a first dichroic sheet. The double-sided color wheel can comprise a first surface, a second surface, a first reflection area, a second reflection area and a transmission area which are arranged away from one another. The first laser light emitted by the first excitation light source is reflected and excited through the first reflection area and the second reflection area, so that first fluorescent light and second fluorescent light are formed; the light emitted by the first excitation light source is screened in cooperation with the transmission area, different light rays are output through the light splitting and combining device and the light guiding system, meanwhile, the modification piece is arranged in the light guiding system, heat