| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a self-ballasted lighting LED lamp assembling a combination of a multichip LED module, a box serving also as a heat-dissipation body and a constant current power source, and a base of an electric bulb. <P>SOLUTION: The multichip LED lighting lamp is enabled to use a conventional electric-bulb socket as it is by providing the base on the structure in which an electric bulb form is formed of the box having heat-dissipation wings in multistages and a lens for diffusing light and a constant current power supply circuit is built in the electric bulb form. <P>COPYRIGHT: (C)2008,JPO&INPIT |
