LED-BASED LIGHT BULB
2 Assignments
0 Petitions
Accused Products
Abstract
A light source (10) comprises a light engine (16), a base (24), a power conversion circuit (30) and an enclosure (22). The light engine (16) comprises at least one LED (12) disposed on a platform (14). The platform (14) is adapted to directly mate with the base (24) which a standard incandescent bulb light base. Phosphor (44) receives the light generated by the at least one LED (12) and converts it to visible light. The enclosure (22) has a shape of a standard incandescent lamp.
21 Citations
40 Claims
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1-23. -23. (canceled)
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24. A light source comprising:
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a bulb-shaped enclosure having a spheroidal shape defining a first bulb portion and an elongate shape defining a second bulb portion, the second bulb portion having a first end extending from the periphery of the first bulb portion and a second end opposite the first end; a base adjacent the second end of the second bulb portion; a light engine including at least one LED for directing light toward the interior of the first bulb portion, and a conversion circuit housed in at least a portion of the base for supplying electric power to the light engine. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. An LED light source comprising:
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a platform adapted to directly mount into a base; a bulb-shaped transparent enclosure having a spheroidal shape defining a first bulb portion and an elongate shape defining a second bulb portion, said second bulb portion being adapted to extend from said first bulb portion towards said base; one or more LEDs;
wherein said one or more LEDs are positioned at the intersection of said first bulb portion and said second bulb portion, proximate the periphery of the bulb-shaped enclosure and configured to direct light to the interior of said first bulb portion; anda wavelength converting material adapted to receive light of a first wavelength generated by the one or more LEDs and convert at least a portion of said light of a first wavelength to light of a second wavelength. - View Dependent Claims (35, 36, 37, 38, 39)
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40. An LED lighting system, comprising:
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a light engine comprising one or more LEDs mounted to a platform; a bulb-shaped enclosure having a first generally spherical portion and a second generally elongated portion extending from said first portion, wherein the diameter of the first portion is twice the diameter of the second portion; and a wavelength converting material adapted to receive light of a first wavelength generated by the one or more LEDs and convert at least a portion of said light of a first wavelength to at least one of white and visible light, wherein said light engine is located at a position within said second portion, proximate to the periphery of said first portion.
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Specification