Patent ID: 8754437
Filing Date: 2014-06-17
Classification: F21K,F21V,H01L,H05K

Abstract:
1. An LED module comprising: at least one heat sink for active cooling having at least one coolant channel through which a cooling fluid flows; an adhesion promoter layer comprising nickel and aluminum, the adhesion promoter layer being provided on a top surface of the heat sink; an electrically insulating layer provided on a top surface of the adhesion promoter layer; at least one electrically conductive layer provided on a top surface of the electrically insulating layer; and at least one light-emitting diode (LED) provided on a top surface of the electrically conductive layer; wherein dimensions of the at least one coolant channel are such that a predominantly laminar flow of the cooling fluid is obtained in the at least one coolant channel during operation of the LED module; wherein a nickel content of the adhesion promoter layer is between 85% and 95%, inclusive.