Light source device using LED, and method of producing same

A method of producing a light source apparatus for emitting light from a LED chip comprising:

• preparing an insulator which has a through hole provided therein to extend from a front side for emitting the light to a back side;
• providing a wiring pattern on the front side of the insulator for feeding power to the LED chip;
• coupling a thermally conductive radiator plate to the back side of the insulator;
• installing and thermally coupling the LED chip to a corresponding portion of the radiator plate projected from the through hole and electrically connecting electrodes of the LED chip to the wiring pattern by connectors;
• and
• filling the through hole with a sealing material to entirely encapsulate the LED chip and the connectors.

A method of producing a light source apparatus for emitting light from an LED chip, comprising:

• forming an insulator of an insulating material that has a through hole, the insulator through hole having a front side for emitting the light and a back side, and a radiator plate which has thermally conductive properties coupled to the back side of the insulator;
• providing a wiring pattern on the front side of the insulator for feeding power to the LED chip;
• installing and thermally coupling the LED chip to a corresponding portion of the radiator plate projecting from the through hole and electrically connecting electrodes of the LED chip to the wiring pattern by connectors;
• and
• filling the through hole with a sealing material to entirely encapsulate the LED chip and the connectors.

A method of producing a light source apparatus for emitting light from a LED chip, comprising:

• preparing a thermally conductive radiator plate and an electrically conductive sheet to serve as a wiring pattern for feeding power to the LED chip;
• plating the radiator plate and the electrically conductive sheet;
• forming the electrically conductive sheet spaced from the radiator plate and forming an insulator of an insulating material;
• installing and thermally coupling the LED chip to a corresponding portion of the radiator plate projected from a through hole provided in the insulator, the through hole having a front side for emitting the light and a back side, and electrically connecting the electrodes of the LED chip to the wiring pattern by connectors;
• and
• filling the through hole with a light-transmissive sealing material to entirely encapsulate the LED chip and the connectors.