| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lighting equipment using light emitting diodes of which brightness and color of emitted light can be varied with a simple structure. <P>SOLUTION: The light equipment A comprises a light source 100 including light emitting diodes of red, blue and green light 110, 120, and 130, respectively, an electric power supply 200 which generates driving currentsα1,α2, andα3 to be supplied to the diodes of respective colors 110, 120, and 130, an adjusting part 300 for adjusting brightness and color of the light source 100, and a controller 400 for controlling the power supply 200 to adjust intensities of the driving currentsα1,α2, andα3. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
