Abstract: According to one embodiment, a lamp apparatus includes a light-emitting module, housing, and a lighting circuit. The light-emitting module includes a light-emitting element. The housing opens in the direction of irradiation of a light beam and having a cap on a side opposite from the direction of irradiation of the light beam. The cap is provided with a light-emitting module mounting portion projecting in the direction of irradiation of the light beam and the light-emitting module is mounted on the light-emitting module mounting portion. The lighting circuit is accommodated in the housing.

Abstract: According to one embodiment, a light-emitting device includes a substrate, a first light-emitting element group, a second light-emitting element group, and a terminal group. The first light-emitting element group includes plural first light-emitting elements mounted on the substrate. The second light-emitting element group is mounted on the substrate alongside the first light-emitting element group and includes plural second light-emitting elements. The terminal group includes plural terminals electrically connected to the first light-emitting element group and the second light-emitting element group, and is arranged on a side of the first light-emitting element group opposite to a side thereof facing the second light-emitting element group in a first direction in which the first light-emitting element group and the second light-emitting element group on the substrate are arranged side by side.

Abstract: According to one embodiment, a lamp device includes a light-emitting module including a semiconductor light-emitting element, a lighting circuit to light the semiconductor light-emitting element, and a housing to house the light-emitting module and the lighting circuit. The housing includes a case including a holder part to hold the light-emitting module, and a cap member fixed to the case by a fixing unit. The light-emitting module is sandwiched and fixed between the holder part and the cap member.

Abstract: A lamp device includes a semiconductor light-emitting element. The lamp device includes a housing including a heat conductive part, and the heat conductive part is thermally connected to an external thermal radiator. Heat generated by the semiconductor light-emitting element is conducted to the thermal radiator through the heat conductive part. A thermosensor is thermally connected to the heat conductive part. The lamp device includes a lighting circuit to light the semiconductor light-emitting element, and the lighting circuit controls an output of the semiconductor light-emitting element according to detection of the thermosensor.

Abstract: A socket (53) includes a socket body (64) provided with a socket surface (69) to which lamp device is attached. A cylindrical insertion port (68) through which a cap protrusion (36) of the lamp device is inserted is opened in the socket surface (69). A plurality of erroneous mounting preventing keys (71) protruded from positions separated from the socket surface (69) at specified positions of an inner circumferential surface of the insertion port (68). A distance (L2) from the socket surface (69) to the separated position of the erroneous mounting preventing key (71) is smaller than a distance (L1) from a front end surface (38) of the cap protrusion (36) to an attachment key (41). In a state where the front end surface (38) of the cap protrusion (36) contacts the plurality of erroneous mounting preventing keys (71), insertion of the cap protrusion (36) into the insertion port (68) is regulated, and rotation of the cap protrusion (36) in the insertion port (68) in the regulated state is possible.

Abstract: According to an embodiment, a lamp main body, a lighting device, a reflecting member and a light-emitting module are provided. The lamp main body includes a case and a cap member attached to the case. The case includes an opening at one end and a hole in the other end center. The cap member integrally includes a projection insertable into the hole. The lighting device and the reflecting member are housed in the case. The lighting device includes a circuit board. The reflecting member configured to reflect light to the outside of the lamp main body includes a reflecting cylinder section including a small-diameter opening and a large-diameter opening. The diameter of the cylinder section expands further toward the large-diameter opening side. The light-emitting module is arranged on the projection to be capable of transmitting heat to the projection.

Abstract: According to one embodiment, a lamp unit includes a light-emitting module, a lighting circuit, and a housing. The light-emitting module includes a light emitting portion having a semiconductor light-emitting element. The lighting circuit lights the semiconductor light-emitting element. The housing includes a case opening in the direction of irradiation of light, and a base on a side of the case opposite from the direction of radiation of the light. The lighting circuit is accommodated in the case, and the light-emitting module is mounted on the base at a position closer to the base with respect to the position of the lighting circuit.

Abstract: According to one embodiment, a light emitting device includes: a substrate a back face side of which is disposed on a mounting member; a plurality of light emitting elements mounted on a surface side of the substrate; and a power supply terminal provided on the surface side of the substrate and electrically connected to the light emitting elements. The power supply terminal is connected to electrical connecting units by elastic pressing force directed from the surface side of the substrate to the mounting member side. A mechanical fixing unit has a pressing portion brought into contact with the surface side of the substrate. The mechanical fixing units fix the substrate to the mounting member with use of elastic pressing force of the pressing portions directed from the surface side of the substrate to the mounting member side.

Abstract: According to one embodiment, a luminaire includes a substrate, a light-emitting section mounted on the substrate and including a light-emitting element, an outer frame body provided with a through-hole in a bottom surface, provided on the substrate to locate the light-emitting section in the through-hole, and made of an insulator, and a cylindrical reflector in the outer frame body, including a first opening end and a second opening end having an area larger than the first opening end, and provided on the bottom surface with the first opening end. A step is absent in at least one part of the part between an inner wall surface of the through-hole and an inner wall surface of the reflector. An area of a third opening end on the substrate side of the through-hole is smaller than an area of a fourth opening end on the reflector side of the through-hole.

Abstract: A lamp device 14 includes a light-emitting portion 34 in which a semiconductor light-emitting element is used. The light-emitting portion 34 is arranged on the side of one of surfaces of the housing 16. Provided on the side of the other surface of the housing 16 is a metallic cap portion 44 and a lamp pin 46 projecting from the other surface side of the housing 16. The lighting circuit 21 is stored in the housing 16. Then, the lamp device 14 includes lamp pin mounting portions 73 where the lamp pins are to be mounted and the insulating member 47 having an insulating portion 75 interposed between the inner surface of the cap portion 44 and the lighting circuit 21.

Abstract: According to one embodiment, the device main body includes a main body portion, a protruding portion, and a heat conducting portion. The main body portion has an opening on one end side and has a wall portion on the other end side that is opposite to the opening side. The protruding portion protrudes from the wall portion and an inside thereof continues into the main body portion. The heat conducting portion has one end side thereof protruding from the wall portion toward the opening and has the other end side thereof connected to the protruding portion in a way that enables heat conduction. The light emitting unit is connected to the one end side of the heat conducting portion in a way that enables heat conduction. The lighting unit is housed inside the device main body and a portion of the lighting circuit component is arranged inside the protruding portion.

Abstract: According to one embodiment, a lamp device includes a housing including a cap, a light-emitting module arranged in the housing and a lighting circuit. The light-emitting module includes a module board, and a semiconductor light-emitting element mounted on the module board. The lighting circuit includes a circuit board, plural circuit components mounted on the circuit board, and a first thermosensor and a second thermosensor arranged at different positions on the circuit board where a temperature difference occurs at time of lighting. The lighting circuit controls lighting of the semiconductor light-emitting element according to the temperature difference between the first thermosensor and the second thermosensor.

Abstract: According to one embodiment, a lamp apparatus includes a light-emitting module, housing, and a lighting circuit. The light-emitting module includes a light-emitting element. The housing opens in the direction of irradiation of a light beam and having a cap on a side opposite from the direction of irradiation of the light beam. The cap is provided with a light-emitting module mounting portion projecting in the direction of irradiation of the light beam and the light-emitting module is mounted on the light-emitting module mounting portion. The lighting circuit is accommodated in the housing.

Abstract: According to one embodiment, a lamp device includes a light-emitting module including a semiconductor light-emitting element, a lighting circuit to light the semiconductor light-emitting element, and a housing to house the light-emitting module and the lighting circuit. The housing includes a case including a holder part to hold the light-emitting module, and a cap member fixed to the case by a fixing unit. The light-emitting module is sandwiched and fixed between the holder part and the cap member.