Light-emitting diode stacked lighting core for lamp bulb
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United States of America Patent
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Mar 16, 2010
Issued Date -
N/A
app pub date -
Nov 5, 2007
filing date -
Nov 5, 2007
priority date (Note) -
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Abstract
A light-emitting diode stacked lighting core includes a core top board, a core bottom board, and vertical boards, all being circuit boards. The core top board and the vertical boards are provided with light-emitting diodes and the core bottom board is provided with a circuit that is formed of a rectifier and a voltage reduction element and having two terminals extending outward. The vertical boards form extended fitting tabs and the core top board and the core bottom board respectively form openings corresponding to the fitting tabs to receive the fitting tabs to fit therein and to be fixed thereto by means of soldering, whereby the light-emitting diodes of the core top board and the vertical boards are put in electrical connection with each other to form the lighting core that is receivable and fixed in a light-transmitting enclosure.
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