LED-BASED LIGHT BULB
5 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.
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Citations
43 Claims
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1-23. -23. (canceled)
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24. A light source comprising:
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a light engine comprising a printed circuit board and including at least one LED; a light transparent or translucent enclosure receiving at least a portion of the generated by the light engine; a thermal spreading medium in the enclosure and encompassing the light engine; a base for supporting the light engine, enclosure and a heat sink in operative arrangement; 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. A light source comprising:
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a light engine comprising a printed circuit board and including at least one LED; a light transparent or translucent enclosure fitted over at least a portion of the light engine; an index matching material in the enclosure and encompassing the light engine; a base for supporting the light engine, enclosure and a heat sink in operative arrangement; and a conversion circuit housed in at least a portion of the base for supplying electric power to the light engine. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification