BULB-TYPE LED LAMP HAVING REPLACEABLE LIGHT SOURCE MODULE
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United States of America Patent
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app pub date -
Sep 12, 2011
filing date -
Sep 12, 2011
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Abstract
A bulb-type LED lamp having a replaceable light source module includes a lamp head module, a lamp casing module and a light source module. The lamp head module has an electrical-conductive connection portion. One end of the lamp casing module is connected to the lamp head module. The light source module comprises a substrate, a plurality of LEDs electrically connected to the substrate, and a sleeve disposed in the lamp casing module to be electrically connected to the substrate. The sleeve has an electrical-conductive insertion portion assembled with the electrical-conductive connection portion. By this structure, a damaged light source module can be replaced rapidly. A user needs not to by a new whole set lamp so as to save the cost maintenance. Further, a surface thermal contact is generated between the metallic pressing plate and the heat-conducting plate to increase the heat-conducting area and efficiency.
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