US Patent No. 11,032,884


Patent No. 11,032,884
Issue Date June 08, 2021
Title Method For Making Tunable Multi-led Emitter Module
Inventorship Xiantao Yan, Palo Alto, CA (US)
Kachun Lee, Fremont, CA (US)
David Tahmassebi, Los Gatos, CA (US)
Assignee LedEngin, Inc., San Jose, CA (US)

Claim of US Patent No. 11,032,884

1. A method, for making a lighting system comprising:providing first and second groups of light-emitter diodes (LEDs) on a substrate, each group having one or more LEDs;
providing connections for feeding electric current to each of first and second groups of LEDs on the substrate;
providing a memory device containing at least information associating a plurality of output light colors with a corresponding plurality of combinations of electrical current values, each combination specifying a first electric current for one of the first group of LEDs and a second electric current for one of the second group of LEDs; and
providing a circuit for accessing to the information in the memory device;
disposing the substrate with the first and second groups of LEDs, the memory device, and the circuit on a same circuit board.