Lens assembly for use with led lamp

Details Lens assembly for use with led lamp Lens assembly for use with led lamp

G - Physics

02

B

G02B 3/02 (2006.01) F21V 5/04 (2006.01) G02B 3/06 (2006.01) G02B 3/08 (2006.01)

Patent

CA 2627455

A two-part lens assembly for use with an LED lamp fixture is disclosed. The assembly is comprised an inner portion and an outer portion. The inner portion of the assembly is a substantially clear (transparent) lens with substantially flat sides. Formed in the bottom of the inner portion is a conical shape. The conical shape acts to reflect the light emitted by the LEDs. The outer portion is also a substantially clear (transparent) lens. However, the outer portion includes an outer surface having a plurality of arcuate surfaces for creating an effective light distribution pattern for the outdoor light fixture. Also included in the outer portion is a conical surface in the bottom for the reflection of the light rays emitted from the LED.

Ensemble lentille en deux parties pour utilisation avec une lampe à DEL. L'ensemble comprend une partie intérieure et une partie extérieure. La partie intérieure de l'ensemble est composée d'une lentille sensiblement transparente dont les côtés sont essentiellement plats. € l'extrémité inférieure de la partie intérieure se trouve une forme conique. La forme conique permet de refléter la lumière émise par les DEL. La partie extérieure est également formée d'une lentille essentiellement transparente. Toutefois, la partie extérieure comprend une surface externe dotée de plusieurs parties courbées qui créent un modèle de distribution efficace de la lumière dans la lampe extérieure. De plus, la partie extérieure comprend une surface conique située à l'extrémité inférieure qui réfléchit les rayons lumineux émis par les DEL.

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