Patent ID: 8304797

Claim:
An LED light source ( 10 ) comprising: a ceramic substrate ( 20 ) having first and second opposed surfaces ( 30 , 40 ); a plurality of pockets ( 50 ) formed in said first surface ( 30 ), each of said pockets ( 50 ) including a bottom ( 60 ) and one or more side walls ( 70 ); an electrical contact ( 105 ) positioned in each of said pockets ( 50 ), said electrical contacts ( 105 ) comprising a quantity of a first electrically conductive material ( 57 ) and a layer of a second electrically conductive material ( 100 ) formed on said first electrically conductive material ( 57 ); an LED ( 110 ) positioned in at least some of said pockets ( 50 ) and affixed to said electrical contact ( 105 ), said one or more sidewalls surrounding said LED; and wire bond electrical connections ( 120 ) joining said LEDs ( 110 ), at least one of said wire bond electrical connections ( 120 ) extending from a first LED ( 110 ) to an adjacent electrical contact ( 105 ) in an adjacent pocket, wherein the LEDs are connected in series.