| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multiplex light emitting diode device having better color rendering index in a multiplex light emitting diode device. <P>SOLUTION: The light emitting wavelength of an active zone changes in a prescribed format at least under one semiconductor, and hence the spectral bandwidth of light emitted from the semiconductor device is increased. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
