Patent ID: 11899351
Assignee: CORETRONIC CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. The illumination system according to claim 11, wherein the wavelength conversion module comprises a first wavelength conversion layer, a second wavelength conversion layer, and at least one diffusing layer, the at least one non-conversion region comprises a first arc region and a second arc region disposed in different radial ranges, the first wavelength conversion region comprises a third arc region and a fourth arc region disposed in different radial ranges, the second wavelength conversion region comprises a fifth arc region and a sixth arc region disposed in different radial ranges, the at least one diffusing layer is disposed in the second arc region of the at least one non-conversion region, the first wavelength conversion layer is disposed in the third arc region of the first wavelength conversion region, the second wavelength conversion layer is disposed in the fifth arc region of the second wavelength conversion region, the first laser light forms the first color light after passing through the at least one diffusing layer of the second arc region, the first laser light forms the first sub-color light by the first wavelength conversion layer, and the first laser light forms the second sub-color light by the second wavelength conversion layer.