Patent ID: 8901583
Filing Date: 2014-12-02
Classification: H01L

Abstract:
1. An emitter package, comprising: a casing comprising a cavity extending into the interior of said casing from a top surface of said casing, wherein said casing comprises a stepwise gradation such that the length and width of the bottom of said casing are greater than the length and width of the top of said casing; an electrically conductive lead frame integral to said casing, wherein said lead frame comprises features that cooperate with said casing to provide a rigid connection between said lead frame and said casing; and a plurality of light emitting devices arranged on conductive parts of said lead frame, said light emitting devices and portions of said lead frame exposed through said cavity; wherein the bottom of said cavity comprises a different shape than the top of said cavity, with the shape of said cavity bottom increasing the surface area of said exposed lead frame portions.