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US 6,637,921 B2Granted
Replaceable LED bulb with interchangeable lens optic
AssigneeOsram Sylvania Inc.
InventorCharles M. Coushaine
Life of this patent
Estimating the term…
Abstract
LED lamp assembly particularly adapted for automotive applications that utilizes one or more standard replaceable LED bulbs with changeable optics to make multiple beam patterns. Preferably the optic is molded and easily replaced. An electric module is mounted directly under the LED to facilitate the electrical connection and provide good thermal contact. The LED light source(s) and interchangeable optic are positioned and sealed in the base of a main reflector or the vehicle hull by means well known to those skilled in the art.
Claims6
A lamp assembly, comprising:
- a replaceable base, being replaceable with respect to a surrounding enclosure;
- one or more LED light sources supported on said replaceable base, said one or more LED light sources each adapted to emit light in a predetermined, substantially forward direction;
- and
- an optic in the form of a preliminary reflector supported from said replaceable base and forward of said LED light sources and oriented with respect to said one or more LED light sources to intercept said light emanating forward from said one or more LED light sources and direct the same in a predetermined pattern to a main reflector surrounding said replaceable base, said one or more LED light sources and said optic, such that light the LED light sources is reflected by the preliminary reflector to the main reflector to be reflected by the main reflector to a field to be illuminated.
1 more element
Dependencies are inferred from the claim text.