Patent ID: 11966033
Assignee: nan
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. A laser phosphor projection system, comprising:
a) a plate having a first side, a second side opposite the first side, and a hole therethrough;
b) a first plurality of laser diodes arranged on the first side of the plate to generate a first set of blue light rays;
c) a concave reflector having a focal point, the concave reflector positioned to receive the first set of blue light rays emitted from the first plurality of laser diodes and reflect the first set of blue light rays towards the focal point;
d) a rotatable phosphor wheel having a phosphor region comprising cerium-doped yttrium aluminum garnet (YAG) to receive the first set of blue light rays and emit broad band light rays with a peak in a yellow-green range, wherein when the phosphor region is hit with the first set of blue light rays, the broad band light rays are emitted;
e) an optical device to direct the broad band light rays towards a second set of blue light rays to create white light.