Patent ID: 7494250

Claim:
A light emitting module, comprising: a metal substrate having a first perforation; a bearing base embedded in the first perforation of the metal substrate, the bearing base having a recess defined therein; at least one LED adhered within the recess on the bearing base by eutectic soldering with a compound metal, wherein the compound metal consists of gold and tin, or silver and tin; a printed circuit board having a second perforation, the printed circuit board stuck on the metal substrate, the second perforation is formed on the printed circuit board and exposes the LED, wherein the LED is positioned within the recess such that a first top surface of the LED is positioned substantially below a first top surface of the printed circuit board, and further allows the printed circuit board to be stuck on the metal substrate; and at least one conductive wire used to electrically connect the LED with the printed circuit board; wherein the printed circuit board is stuck on the metal substrate after the LED is adhered on the bearing base by eutectic soldering.