US Patent No. 10,143,052

LIGHT EMITTING DIODE (LED) WARM ON DIM CIRCUIT


Patent No. 10,143,052
Issue Date November 27, 2018
Title Light Emitting Diode (led) Warm On Dim Circuit
Inventorship Ronald J. Lenk, Marietta, GA (US)
Assignee LuxTech, LLC, Philadelphia, PA (US)

Claim of US Patent No. 10,143,052

1. A light emitting diode (LED) dimmer circuit, comprising:at least one white LED;
a first controllable current source coupled to the at least one white LED and configured to produce a current that increases linearly as a dimming level increases;
at least one deep red LED; and
a second controllable current source coupled to the at least one deep red LED and configured to produce a current that increases linearly as the dimming level increases, the dimming level having a maximum level.