A lighting apparatus with LEDs comprising: a metal-made main body; a plurality of LED chip units each including an LED chip and a pair of lead terminals (42, 43) electrically connected to electrodes of said LED chip; a circuit board formed with a circuit pattern configured to supply an electric power to the individual LED chip units; a dielectric layer disposed between said main body and said LED chip units for making electrical insulation therebetween as well as thermally coupling the same, wherein said circuit board is formed with a plurality of windows through which the individual LED chip units extend respectively with said lead terminals (42, 43) held in electrical contact with said circuit pattern at the periphery of said windows, each of said LED chip units being thermally coupled at its bottom face with said main body through said dielectric layer; a light-transmissive member (91a, 200) provided to pass a visible light from each of said LED chip units; and a mirror formed on the top face of said circuit board opposed to said light-transmissive member (91 a, 200) for reflecting the visible light; characterized in that said light-transmissive member (91a, 200) comprises lenses at respective portions opposed to said LED chip units for determining orientation of the light given off from said LED chip units, said light-transmissive member (91a, 200) being made of metal at a portion other than said lenses; said main body is shaped into a disk formed in its one face with a recess for receiving therein said LED chip units and said circuit board, a wire insertion hole is provided in the center of said main body to extend through the bottom of said recess for passing power feeding cables electrically connected to said circuit board at its center thereof, said main body is formed at portions around the recess with attaching screw holes respectively for a plurality of attaching screws adapted to fix the main body to a supporting material, a decorative cover in the form of a frame is assembled to said main body to conceal the periphery of said recess and said attaching screws on one face of said main body, said decorative cover having a window for exposing therethrough a light output surface of said light-transmissive member (91a, 200), and being made of a metal; the light-transmissive member (91a, 200) is fixed to the main body using fixing screws received by corresponding fixing screw holes in the main body. a metal-made main body; a plurality of LED chip units each including an LED chip and a pair of lead terminals (42, 43) electrically connected to electrodes of said LED chip; a circuit board formed with a circuit pattern configured to supply an electric power to the individual LED chip units; a dielectric layer disposed between said main body and said LED chip units for making electrical insulation therebetween as well as thermally coupling the same, wherein said circuit board is formed with a plurality of windows through which the individual LED chip units extend respectively with said lead terminals (42, 43) held in electrical contact with said circuit pattern at the periphery of said windows, each of said LED chip units being thermally coupled at its bottom face with said main body through said dielectric layer; a light-transmissive member (91a, 200) provided to pass a visible light from each of said LED chip units; and a mirror formed on the top face of said circuit board opposed to said light-transmissive member (91 a, 200) for reflecting the visible light; characterized in that said light-transmissive member (91a, 200) comprises lenses at respective portions opposed to said LED chip units for determining orientation of the light given off from said LED chip units, said light-transmissive member (91a, 200) being made of metal at a portion other than said lenses; said main body is shaped into a disk formed in its one face with a recess for receiving therein said LED chip units and said circuit board, a wire insertion hole is provided in the center of said main body to extend through the bottom of said recess for passing power feeding cables electrically connected to said circuit board at its center thereof, said main body is formed at portions around the recess with attaching screw holes respectively for a plurality of attaching screws adapted to fix the main body to a supporting material, a decorative cover in the form of a frame is assembled to said main body to conceal the periphery of said recess and said attaching screws on one face of said main body, said decorative cover having a window for exposing therethrough a light output surface of said light-transmissive member (91a, 200), and being made of a metal; the light-transmissive member (91a, 200) is fixed to the main body using fixing screws received by corresponding fixing screw holes in the main body.