| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light emitting device having excellent optical characteristics such as light output and brightness for improving wavelength converting efficiency of a fluorescent material which is excited with the light of a light emitting element to emit the light, and extracting the light emitted from the fluorescent material to the external side of the light emitting device with higher efficiency. <P>SOLUTION: The light emitting device comprises: a base material 2 including a table for setting a light emitting element 4 on the surface thereof; a frame 3 mounted to the upper surface of the base material 2 to surround the table with the surface of internal circumference 3a defined as the light reflecting surface; a light emitting element 4 set on the table; and a fluorescent material layer 6 formed to cover the upper part of the light emitting element 4 for wavelength conversion of the light emitted from the light emitting element 4. A projected region 6a formed by a plurality of recessed regions 6b and/or by projecting a part of the fluorescent material layer 6 is provided to the upper surface of the fluorescent material layer 6. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
