US Patent No. 10,323,826


Patent No. 10,323,826
Issue Date June 18, 2019
Title Optical System, Method, And Applications
Inventorship Luc Guy Louis Lacroix, Groton, MA (US)
Assignee SIGNIFY HOLDING B.V., Eindhoven (NL)

Claim of US Patent No. 10,323,826

1. An optical system, comprising:at least one 2×2 LED array forming a node consisting of four different color LEDs: LED1 (G), LED2 (R), LED3 (B), LED4 (W) and
at least one respective light-directing housing forming an optic having a base end and a light-emitting end, in which the node is disposed in the base end,
wherein the optic is characterized by a shape having four different focal points (F1, F2, F3, F4), and by comprising a spline (S1) and a hyperbola conic (H1) as profile sections,
wherein each of the LED1, LED2, LED3, LED4 is disposed at a respective focal point of both the spline (S1) and the hyperbola conic (H1).