A package for multiple LED's and for attachment to a substrate includes a body, which includes a top body layer, a cavity disposed through the top body layer and having a floor for bonding to the multiple LED's, and a thermal conduction layer bonded to the top body layer and having a top surface forming the floor of the cavity and a bottom surface. The thermal conduction layer includes a thermally conducting ceramic material disposed between the floor and the bottom surface. The package also includes a plurality of LED bonding pads in direct contact with the floor and configured to bond to the multiple LED's and a plurality of electrical bonding pads in direct contact with the floor, proximate to the LED bonding pads, and in electrical communication with a plurality of electrical contacts disposed on a surface of the body.