| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ultraviolet light emitting device for outputting ultraviolet light having a ≤370 nm wavelength at high luminance. <P>SOLUTION: The ultraviolet light emitting device comprises a substrate (11) having predetermined unevenness on /in its surface, an aluminum nitride single crystal layer (12) grown on the substrate, and a light emitting layer (14) provided on the aluminum nitride single crystal layer for emitting the ultraviolet light having a ≤370 nm wavelength. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
