Patent ID: 11893868
Assignee: VAXCEL INTERNATIONAL CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  F  H  Y | IPC F  G  H

Claim 58:
59. The LED lighting device configured with a tunable diffused light color temperature according to claim 52, wherein a photo sensor and a motion sensor are respectively and electrically connected to the controller, wherein the light-emitting unit is activated at dusk when a light intensity level of an ambient light detected by the photo sensor is lower than a first predetermined value, wherein when a motion signal is detected by the motion sensor, the controller operates to control the LED driver circuitry to deliver the DC power to the light-emitting unit to perform an illumination characterized by the diffused light with a selected diffused light color temperature for a predetermined time duration; wherein at dawn when the light intensity level of the ambient light detected is higher than a second predetermined value, the light-emitting unit is turned off.