Back to results
US 2011/0255282 A1Published application
Solid state light assembly having light sources in a ring
AssigneeeLumigen LLC
InventorsMahendra Dassanayake, Srini De Mel, Jagath Samarabandu
Life of this patent
Estimating the term…
Abstract
A light assembly having an axis of symmetry that includes an enclosure comprising at least a base and a cover coupled to the base. The light assembly also includes a plurality of light sources disposed on a circuit board within the enclosure in a first ring having a center point aligned with the axis of symmetry. The light assembly also includes a reflector that has a first focal point within the cover and a plurality of second focal points disposed in a second ring coincident with the first ring.
Claims20
A light assembly having an axis of symmetry comprising:
- an enclosure comprising at least a base and a cover coupled to the base;
- a plurality of light-emitting diodes disposed on a circuit board within the enclosure in a first ring having a center point aligned with the axis of symmetry;
- and
- a reflector having a first focal point within the cover and a plurality of second focal points disposed in a continuous second ring coincident with the first ring, said reflector reflecting low angle light from the plurality of light-emitting diodes through the cover.
1 more element
A method comprising:
- generating light from light-emitting diodes (LEDs) disposed in a first ring on a circuit board within a light assembly;
- transmitting high angle light from the LEDs directly through a cover;
- reflecting low angle light from the LEDs at a reflector, said reflector having an offset ellipsoidal shape having a common first focal point and a second ring of second focal points coincident with the first ring;
- and
- directing the low angle light to the first focal point from the reflector.
2 more elements
Dependencies are inferred from the claim text.