US Patent No. 10,462,870

LIGHT SOURCE CIRCUIT AND ILLUMINATION APPARATUS


Patent No. 10,462,870
Issue Date October 29, 2019
Title Light Source Circuit And Illumination Apparatus
Inventorship Jie Qiang, Shanghai (CN)
Zhixian Zhou, Shanghai (CN)
Assignee OPPLE LIGHTING CO., LTD., Shanghai (CN)

Claim of US Patent No. 10,462,870

7. An illumination apparatus, comprising a light source circuit that comprises:a red light emitting portion configured to emit red light;
a blue light emitting portion configured to emit blue light;
a yellow-green light emitting portion configured to emit yellow-green light;
a peak wavelength of the red light being in a range of 600 to 640 nm;
a peak wavelength of the blue light being in a range of 440 to 460 nm;
a peak wavelength of the yellow-green light being in a range of 525 to 565 nm;
a peak intensity of the blue light being 65% to 100% of a peak intensity of the red light;
a peak intensity of the yellow-green light being 35% to 65% of the peak intensity of the red light;
a power supply circuit, connecting with the light source circuit and providing required power for the light source circuit; and
a controller, connecting with the light source circuit and configured for adjusting the illumination light emitted by the light source circuit.