Patent ID: 11899353
Assignee: CORETRONIC CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 21:
22. The projection apparatus according to claim 13, further comprising an auxiliary light source and a beam splitter, wherein the auxiliary light source is configured to emit a third color light, and the beam splitter is disposed on the transmission path of the excitation beam and a transmission path of the third color light, wherein
the excitation beam from the exciting light source and the third color light from the auxiliary light source are transmitted to the first lens after respectively passing through the beam splitter and being reflected by the beam splitter or being reflected by the beam splitter and passing through the beam splitter, and then are transmitted to the light uniforming element though a same optical path of the excitation beam in the first time sequence, such that the illumination system outputs a first color light and the third color light in the illumination beam.