FIELD: electricity.
SUBSTANCE: in light-emitting module including a group of electrically connected semiconductor light-emitting crystals disposed on a common board made of a textolite and having a coating made of a polymeric compound, the upper and the lower surfaces of the board have a metal coating. In the board are formed through metallized holes through which the metal coating available on the upper surface of the board and the metal coating available on the lower surface of the board are communicated with each other. These holes are made on the areas not occupied by crystals, and the coating of the polymeric compound is made in the form of a layer of polymer material located on top of the board with the crystals arranged on it. In this case, the ratio of the area of the metal coating available on the lower surface of the board to the total cross-sectional area of the metallized portion of the through holes is not more than 65.
EFFECT: ensuring high heat-transmitting properties of the light-emitting module.
2 cl, 2 dwg
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