Patent ID: 11906420
Assignee: HITACHI HIGH-TECH CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 0:
1. A light source, comprising:
a first LED and a second LED that are disposed in parallel, one of the first LED and the second LED emitting ultraviolet light, the second LED having a light emission spectrum different from that of the first LED;
a reflection surface that is opposite to the first LED, and reflects light of the first LED;
a dichroic surface that is opposite to the second LED, reflects light of the first LED, and allows light of the second LED to penetrate; and
a light shielding unit that is disposed on a side of the first LED or the second LED of the reflection surface and the dichroic surface and shields the ultraviolet light,
wherein the light shielding unit is opposite to a light emission surface of the first LED or the second LED.