A light emitting element lamp and a lighting equipment for suppressing a temperature rising of a substrate on which a light emitting element is mounted by using a reflector is described. Aspects relate to a lamp including a heat-conductive reflector, a base connected to the reflector, a heat-conduct
A light emitting element lamp and a lighting equipment for suppressing a temperature rising of a substrate on which a light emitting element is mounted by using a reflector is described. Aspects relate to a lamp including a heat-conductive reflector, a base connected to the reflector, a heat-conductive heat radiating member, a substrate having a light emitting element mounted thereon and attached to the heat radiating member and a lighting circuit housed in the cover to light the light emitting element. Other components and features may also be included.
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1. A light emitting element lamp comprising: a heat conductor having an opening portion at one end side and an opening portion at another end side, and having inner and outer surfaces that widen toward the opening portion at the one end side, and a heat radiating member disposed between the one end
1. A light emitting element lamp comprising: a heat conductor having an opening portion at one end side and an opening portion at another end side, and having inner and outer surfaces that widen toward the opening portion at the one end side, and a heat radiating member disposed between the one end side opening portion and the other end side opening portion so as to separate the openings from each other in a separation direction, wherein the heat conductor includes a recessed portion formed at a portion between the one end side and the other end side of the heat conductor, and the heat radiating member is provided with a flange portion in surface-contact with and extending along an inner surface of the heat conductor so as to form a surface continuous to the inner surface of the heat conductor, wherein a peripheral surface of the heat conductor is exposed to an exterior of the lamp;a cover portion having a surface attached to the heat conductor;a substrate provided with a light emitting element, wherein a surface of the substrate is thermally connected to an inside surface of the heat radiating member and wherein the light emitting element in the lamp is disposed on the substrate;a lighting circuit housed in a space formed in the recessed portion of the heat conductor so as to be separated from the heat radiating member, wherein the lighting circuit is configured to light the light emitting element;an insulating member disposed around the lighting circuit; anda base provided to another end side portion of the heat conductor protruding from the recessed portion. 2. The light emitting element lamp of claim 1, wherein the surface of the substrate directly and thermally contacts the inside surface of the heat radiating member. 3. The light emitting element lamp of claim 1, wherein the inside surface of the heat radiating member contacts the heat conductor in a surface contact state. 4. The light emitting element lamp according to claim 1, wherein a circuit board of the lighting circuit is disposed in parallel to a longitudinal axis of the lamp in the recessed portion. 5. The light emitting element lamp according to claim 1, wherein the lighting circuit is housed in a space defined by a base, the cover, and the recessed portion. 6. The light emitting element lamp according to claim 1, further comprising a reflecting surface extending from the other end side of the heat conductor toward the one end side opening portion of an inside of the heat conductor. 7. The light emitting element lamp according to claim 1, wherein the flange portion is configured to extend and widen toward the one end side. 8. The light emitting element lamp according to claim 1, wherein an insulating member is provided around the lighting circuit. 9. The light emitting element lamp according to claim 1, wherein an outer surface of the flange portion of the heat radiating member is bonded to an inner surface of the heat conductor with an adhesive. 10. The light emitting element lamp according to claim 1, wherein the other end side opening portion is spaced apart from the flange of the heat radiating member in the separation direction. 11. The light emitting element lamp according to claim 10, wherein the other end side opening extends from one inner surface of the heat conductor to another inner surface of the heat conductor, in a direction perpendicular to the separation direction, the one inner surface and the other inner surface being opposite to each another in the direction perpendicular to the separation direction. 12. A lighting equipment comprising: an equipment body provided with a socket; anda light emitting element lamp configured to be mounted to the socket of the equipment body, the light emitting element lamp comprising: a heat conductor having an opening portion at one end side and an opening portion at another end side, and having inner and outer surfaces that are widened toward the opening portion at the one end side, and the heat conductor further comprising a heat radiating member disposed between the one end side opening portion and the other end side opening portion so as to separate the opening portions from each other, the heat conductor further having a recessed portion formed at a portion between the one end side and the other end side of the heat conductor, and the heat radiating member is provided with a flange portion in surface-contact with and extending along an inner surface of the heat conductor so as to form a surface continuous to the inner surface of the heat conductor, wherein a peripheral surface of the heat conductor is exposed to an exterior of the lamp;a cover portion having one end side attached to the heat conductor;a substrate provided with a plurality of light emitting elements, wherein a surface of the substrate is thermally connected to an inside surface of the heat radiating member, wherein the light emitting element in the lamp is disposed on the substrate;a lighting circuit housed in a space formed in the recessed portion of the heat conductor so as to be separated from the heat radiating member, wherein the lighting circuit is configured to light the light emitting element;an insulating member disposed around the lighting circuit; anda base provided to another end side portion of the heat conductor protruding from the recessed portion. 13. The lighting equipment of claim 12, wherein the surface of the substrate is indirectly and thermally connected to the inside surface of the heat radiating member. 14. The lighting equipment according to claim 12, wherein the flange portion is configured to extend and widen toward the one end side. 15. The lighting equipment according to claim 12, wherein an insulating member is provided around the lighting circuit. 16. The lighting equipment according to claim 12, wherein an outer surface of the flange portion of the heat radiating member is bonded to an inner surface of the heat conductor with an adhesive.
Dowling, Kevin J.; Lys, Ihor A.; Roberge, Brian; Williamson, Ryan C.; Roberts, Ron; Datta, Michael; Mollnow, Tomas; Morgan, Frederick M., Integrated LED-based luminare for general lighting.
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