| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light-emitting device for improving luminous efficiency without increasing its size. <P>SOLUTION: The light-emitting device includes a plurality of LED chips 10 including at least three kinds of colors, blue, red, and green luminescent colors; a packaging substrate 20 where the plurality of LED chips 10 are packaged; a frame 40 for surrounding all LED chips 10 at the packaging surface side of the LED chips 10 in the packaging substrate 20; a sealing section 50 that is formed by filling a transparent resin material to the inside of the frame, seals each LED chip and a bonding wire 14 connected to each LED chip, and is elastic; a lens 60 arranged while being overlapped to the sealing section 50; and a dome-like protective cover 70 that is a molding in which a transparent material is formed, covers the lens at the side of a light emission surface 60b of the lens, and forms an air layer 80 between the light emission surface 60b and the frame 40. <P>COPYRIGHT: (C)2007,JPO&INPIT |
