Patent ID: 7777246
Filing Date: 2010-08-17
Classification: H01L

Abstract:
1. A light emitting device comprising: a chip-mounting base formed of metal and including a heat-dissipating body having upper and lower surfaces and formed with heat-dissipating fins and a through-hole extending through said upper and lower surfaces; a light emitting chip mounted on a portion of said upper surface of said heat-dissipating body of said chip-mounting base; a bonding material layer formed on said chip-mounting base exclusive of said portion of said upper surface of said heat-dissipating body of said chip-mounting base and external to a periphery of said light emitting chip, said bonding material layer being formed of an inorganic compound selected from one of a nitride compound and an oxide compound; and a transparent encapsulant enclosing said light emitting chip and bonded to said chip-mounting base through said bonding material; wherein said chip-mounting base is provided with a metal post extending into said through-hole, and an insulator sleeve sleeved on said metal post and fitted into said through-hole, said light emitting chip being coupled electrically to said metal post.