| 摘要 |
<p>A white LED device is provided to easily and effectively control the color temperature, if necessary, by adjusting at least one electric current of plural light sources. Plural light sources(A,B) are housed by a package body(500). A first light source is housed in the package body, and has a first LED chip(331) and a first phosphor to emit a white light of first color temperature. A second light source is housed in the package body, and has a second LED chip(332) and a second phosphor to emit a white light of second color temperature. A current controller varies an electric current supplied to at least one of the first and second LED chips to adjust the first color temperature and the second color temperature.</p> |
