| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical semiconductor device which is capable of realizing an improvement in light extraction efficiency, preventing a decrease in light emission efficiency, and being protected against thermal deterioration. <P>SOLUTION: The semiconductor device 1A is equipped with a wiring substrate 2 with a recess 2a; a light emitting element 3 that is housed in the recess 2a and emits light; and a transparent sealing member 4 which contains a phosphor 4a that is provided in the recess 2a so as to seal up the light emitting element 3 and converts the wavelength of light emitted from the light emitting element 3, and a roughened discharge surface 4b that discharges light emitted from the light emitting element 3. <P>COPYRIGHT: (C)2008,JPO&INPIT |
