Patent ID: 11948531
Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Field: Medical technology (Instruments)
Classification: CPC G  A  H | IPC A  G  H

Claim 24:
25. A light source device, comprising:
a first light source, providing a first light beam in a first time period of a first period;
a second light source, providing a second light beam in a second time period of the first period;
a third light source, providing a third light beam in a third time period of a second period; and
a fourth light source, providing a fourth light beam in a fourth time period of the second period, wherein
the first light beam and the second light beam are emitted alternately in the first period, and the first light beam and the second light beam have a same color temperature,
wherein a color rendering index of mixed light of the first light beam and the second light beam is greater than or equal to 85,
wherein the third light beam and the fourth light beam are emitted alternately in the second period.