Abstract: Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.

Abstract: Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.

Abstract: An aim is to provide a light source device that can be assembled more easily than conventional light source devices. A light source device 100 comprises a light emitting module 150, a mount 140, a lighting unit 110, and a case 120, wherein the lighting unit 110 has a pair of pin terminals 112a and 112b, each of the mount 140 and a substrate 151 of the light emitting module 150 has a pair of through-holes 154a and 154b, and a pair of feed terminals 153a and 153b are disposed at positions of the substrate 151 corresponding to the through-holes 154a and 154b, the pair of pin terminals 112a and 112b being electrically connected to the pair of feed terminals 153a and 153b by penetrating through the through-holes 154a and 154b of the mount 140 and the substrate 151.

Abstract: An LED lamp 10 that is a light source device includes a light emitting module 14, a body 12 that is a first thermal dissipation member onto which the light emitting module 14 is attached, a circuit unit 22 for lighting the light emitting module 14, and a case 24 that is a second thermal dissipation member that has the circuit unit 22 housed therein, and a thermal insulation member 20 is inserted between the body 12 and the case 24.

Abstract: Light source apparatus whose front cover can be removed easily and which can be attached to socket easily even if the base is screw-in type. The light source apparatus includes: cylindrical body 10 having opening 11; light-emitting module 20 housed in body 10; and front cover 40 attached to opening-side end of body 10. Ring-like flange 14 is provided at opening-side end 10a of body 10. A plurality of claws 44 are provided at circumferential edge 43 of front cover 40. Front cover 40 is fitted to opening-side end 10a of body 10 such that flange 14 is covered by circumferential edge 43 of front cover 40. Flange 14 is provided with at least one stopper face 15a which, when it is in contact with at least one claw 44, restricts front cover 40 from rotating around cylindrical axis J of body 10.

Abstract: Provided is a light-bulb type LED lamp 10 including a plurality of LEDs 67-78, a base 12, a lighting circuit unit that converts commercial power provided through the base 12 into power for lighting the LEDs 67-78, and a heat radiation member 16 that includes a bowl-shaped portion 42. Two stages 46 and 48, extending inwards from an inner circumferential surface 44 of the bowl-shaped portion 42, are provided in a direction of a central axis X of the bowl-shaped portion 42. The LEDs 67-78 are mounted on the stages 46 and 48 in a circumferential direction around the central axis X.

Abstract: Light source apparatus whose front cover can be removed easily and which can be attached to socket easily even if the base is screw-in type. The light source apparatus includes: cylindrical body 10 having opening 11; light-emitting module 20 housed in body 10; and front cover 40 attached to opening-side end of body 10. Ring-like flange 14 is provided at opening-side end 10a of body 10. A plurality of claws 44 are provided at circumferential edge 43 of front cover 40. Front cover 40 is fitted to opening-side end 10a of body 10 such that flange 14 is covered by circumferential edge 43 of front cover 40. Flange 14 is provided with at least one stopper face 15a which, when it is in contact with at least one claw 44, restricts front cover 40 from rotating around cylindrical axis J of body 10.

Abstract: The present invention aims to provide a light source apparatus including a small case housing therein a circuit unit including a tall electronic part and a wide mounting substrate. A light source apparatus 1 comprises: a light emitting module 20 as a light source; a circuit unit 60 including a plurality of electronic parts 61a-61f for lighting the light emitting module 20 and a mounting substrate 62 on which the electronic parts 61a-61f are mounted; and a case 70 that is tubular and has an opening at one end thereof, the case 70 housing therein the circuit unit 60. The mounting substrate 62 is held by the case 70 so as to be slanted with respect to a tube axis of the case 70 and not to intersect the tube axis.

Abstract: An LED lamp 10 that is a light source device includes a light emitting module 14, a body 12 that is a first thermal dissipation member onto which the light emitting module 14 is attached, a circuit unit 22 for lighting the light emitting module 14, and a case 24 that is a second thermal dissipation member that has the circuit unit 22 housed therein, and a thermal insulation member 20 is inserted between the body 12 and the case 24.

Abstract: A reflector LED lamp comprises: a reflector 18 having a spheroidal reflecting surface with an opening provided therein; a plurality of LEDs 44, 46, 48, 50, and 52 arranged in the reflector 18, on a plane perpendicular to an optical axis X of the reflector 18; and a lighting circuit operable to light the plurality of LEDs, wherein the plurality of LEDs are divided into at least a first group (LED 44) and a second group (LED 46, 48, 50, and 52), the first group arranged at a first distance from the optical axis X, the second group arranged at a second distance from the optical axis X, the second distance being longer than the first distance, and while the plurality of LEDs are lit by the lighting circuit, luminous flux per LED is larger in the first group than in the second group.

Abstract: Lamp realizing high brightness without increase in size, including: case 3 that is in conical shape, wherein LEDs 37 are installed on inner surface of bottom 5 of case 3; lens 13 that is smaller than case 3 in size and positioned in case 3 such that light emission face 63 of lens 13 is on opening side of case 3; cover 15 that is installed to cover opening of case 3 so that light emitted from face 63 is extracted to outside of lamp; base member 17 that is hollow inside and attached to outer surface of bottom 5 of case 3 to project toward outside; and lighting circuit 23 that receives electricity via base member 17, and causes LEDs 37 to emit light. Electronic parts 49, 51 and 99 constituting lighting circuit 23 are arranged in distribution in spaces of case 3 and base member 17.

Abstract: An aim is to provide a light source device that can be assembled more easily than conventional light source devices. A light source device 100 comprises a light emitting module 150, a mount 140, a lighting unit 110, and a case 120, wherein the lighting unit 110 has a pair of pin terminals 112a and 112b, each of the mount 140 and a substrate 151 of the light emitting module 150 has a pair of through-holes 154a and 154b, and a pair of feed terminals 153a and 153b are disposed at positions of the substrate 151 corresponding to the through-holes 154a and 154b, the pair of pin terminals 112a and 112b being electrically connected to the pair of feed terminals 153a and 153b by penetrating through the through-holes 154a and 154b of the mount 140 and the substrate 151.

Abstract: Provided is a light-bulb type LED lamp 10 including a plurality of LEDs 67-78, a base 12, a lighting circuit unit that converts commercial power provided through the base 12 into power for lighting the LEDs 67-78, and a heat radiation member 16 that includes a bowl-shaped portion 42. Two stages 46 and 48, extending inwards from an inner circumferential surface 44 of the bowl-shaped portion 42, are provided in a direction of a central axis X of the bowl-shaped portion 42. The LEDs 67-78 are mounted on the stages 46 and 48 in a circumferential direction around the central axis X.

Abstract: A light source apparatus that can be assembled and disassembled easily. A light source apparatus 100 includes: a body 120 housing a light-emitting module 110; and a front cover 130 attached to an opening portion 121 of the body 120 and including a light emission window 131 for allowing light emitted from the light-emitting module 110 to go outside. The opening portion 121 is provided on a front side of the body 120. The front cover 130 includes a plurality of engaging claws 134a through 134f and is attached to the body 120 when the engaging claws 134a through 134f engage with a claw receiving portion 124 provided in an outer surface of the body 120.

Abstract: In a spot light source 1 including a case 11, a heat radiator 12 and a light-emitter 18, the heat radiator 12 is formed to have a bowl shape including a bottom portion 12a and a side wall portion 12b extending from the peripheral edge of the bottom portion 12a, and the side wall portion 12b is made of light-transmissive ceramic. Light emitted by an LED element 18b of the light-emitter 18 is guided to the side wall portion 12b by a lens 18d so as to generate a leak light traveling sideways from the spot light source 1, which produces highly decorative effect.

Abstract: Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.

Abstract: A reflector LED lamp comprises: a reflector 18 having a spheroidal reflecting surface with an opening provided therein; a plurality of LEDs 44, 46, 48, 50, and 52 arranged in the reflector 18, on a plane perpendicular to an optical axis X of the reflector 18; and a lighting circuit operable to light the plurality of LEDs, wherein the plurality of LEDs are divided into at least a first group (LED 44) and a second group (LED 46, 48, 50, and 52), the first group arranged at a first distance from the optical axis X, the second group arranged at a second distance from the optical axis X, the second distance being longer than the first distance, and while the plurality of LEDs are lit by the lighting circuit, luminous flux per LED is larger in the first group than in the second group.

Abstract: Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.

Abstract: Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipater 12.