Patent ID: 9599881
Date: 2017-03-21
CPC Classifications: F21S,G02B,G03B

Claim:
1. A front-end lighting system for projection, comprising: a RGB three-color LED light source, configured to generate three monochromatic lights; a reflector, configured to perform a first light mixing operation on three monochromatic lights generated by the RGB three-color LED light source; a first group of relay lenses, configured to adjust a light path; and a compound eye field lens, configured to perform a second light mixing operation on the three monochromatic lights generated by the RGB three-color LED light source, wherein the reflector comprises a reflecting surface, and the three monochromatic lights emitted by the RGB three-color LED light source, after being reflected by a reflecting surface of the reflector, pass through the first group of relay lenses and the compound eye field lens in sequence.