Patent ID: 8455895

Claim:
A light source comprising: a plurality of surface mount LEDs on a plurality of separate dies, each LED having surface mount contacts on a first surface thereof and emitting light from a second surface thereof that is opposite said first surface, said surface mount contacts comprising a p-contact and an n-contact for powering that LED, each LED being characterized by an active layer that generates light of a predetermined wavelength; a mounting substrate comprising a top surface having a plurality of connection traces, each connection trace comprising an n-trace positioned to underlie a corresponding one of said n-contacts and a p-trace positioned to underlie a corresponding one of said p-contacts, said one of said p-contacts being characterized by a p-contact surface area and said p-traces underlying said one of said p-contacts being characterized by a p-trace surface area greater than said p-contact surface area; a layer of asymmetric conductor sandwiched between said surface mount contacts and said connection traces, said layer covering said top surface of said mounting substrate, wherein said asymmetric conductor comprises deformable conducting particles suspended in a first transparent medium, said deformable conducting particles having a non-deformed diameter, and light scattering particles, said light scattering particles having a dimension greater than said wavelength of light generated by said LEDs and less than half said non-deformed diameter; and wherein said light source further comprises particles of a heat-conducting material suspended in said transparent medium, said particles of said heat-conducting material having a greater thermal conductivity than said transparent medium.