摘要:
According to one embodiment, an LED lamp includes a housing, a base, an LED module, an LED lighting circuit board, and a globe. The base is attached to one end of the housing, and is supplied with electric power. The LED module is attached to the other end of the housing, and is equipped with LEDs. The LED lighting circuit board is accommodated in the housing, and the LED lighting circuit board is equipped with a lighting circuit. The globe covers the LEDs, and diffuses and radiates light emitted from the LEDs, and is attached to the housing. The housing is formed of resin having high thermal conductivity containing carbon-based filler. The light emitting module is attached to the housing through a heat transfer plate a part of which is exposed from the housing.
摘要:
According to one embodiment, an LED lamp includes an LED module and a light guide. The LED module includes a plurality of LEDs annularly arranged and mounted on a front surface of a board, and an opening provided in the board at an inside surrounded by the LEDs. The light guide is engaged and fastened to the opening from the front surface side of the board. The light guide guides part of light emitted by the LEDs, and emits the light guided from the front surface side to a rear surface side over an outer edge part of the board.
摘要:
There is provided a lighting fixture capable of efficiently radiating heat of a lamp device attached to a socket device.By attaching the lamp device to the socket device, a cap portion of the lamp device is brought into contact with a fixture body, and pressed against and brought into close contact with the fixture body by an elastic body. Heat generated by lighting of LEDs of the lamp device is conducted from the cap portion to the fixture body and efficiently radiated.
摘要:
In one embodiment, a lamp with a ferrule includes a substrate to support a light emitting element and a wire insertion portion formed therein. A support portion to arrange the substrate is formed in one end portion of a base body. A through-hole is formed in the support portion corresponding to the wire insertion portion. A concave container portion is provided in the other end portion of the base body to accommodate a circuit board to mount electric parts. An insulating case is arranged between the circuit board and the concave container portion. The insulating case includes a protection element inserted in the through-hole and the wire insertion portion. The protection element is projected at least to inside of the wire insertion portion. A ferrule for supplying electric power to the light emitting element is provided in the other end portion of the base body.
摘要:
A lighting fixture capable of efficiently radiating heat of a lamp device may be configured to be attached to a socket device. In some examples, by attaching the lamp device to the socket device, a cap portion of the lamp device is brought into contact with a fixture body, and pressed against and brought into close contact with the fixture body by an elastic body. Heat generated by lighting of LEDs of the lamp device is conducted from the cap portion to the fixture body and efficiently radiated.
摘要:
According to an embodiment, an LED lamp includes a thermal radiation unit on which an LED module with a light source mounted thereon is mounted and which has a function of radiating heat generated from the LED module, and an insulating case which is integrally molded inside the thermal radiation unit in order to electrically insulate a drive circuit of the LED module provided inside and the thermal radiation unit from each other.
摘要:
There is provided a lighting fixture capable of efficiently radiating heat of a lamp device attached to a socket device.By attaching the lamp device to the socket device, a cap portion of the lamp device is brought into contact with. a fixture body, and pressed against and brought into close contact with the fixture body by an elastic body. Heat generated by lighting of LEDs of the lamp device is conducted from the cap portion to the fixture body and efficiently radiated.
摘要:
In a lamp device 12 using a GX53-type cap 31 and also using an LED 56 as a light source, there is regulated an appropriate configuration of a metallic cover 32. A cap 31 and a lighting device 36 are arranged on an upper surface side of the metallic cover 32, and a substrate 33 on which the LED 56 is mounted is arranged on a lower surface side thereof. The metallic cover 32 has an approximately cylindrical shape with a maximum outer diameter D of 80 to 150 mm, a height H of 5 to 25 mm, and 2π (D/2) H/W, that is, an area of the outer peripheral surface per gross input power W to the lamp device 12 being in a range of 200 to 800 mm2/W. The gross input power W is 5 to 20 W.
摘要:
There is provided a lighting fixture 11 capable of efficiently radiating heat of a lamp device 14 attached to a socket device 13. By attaching the lamp device 14 to the socket device 13, a cap portion 38 of the lamp device 14 is brought into contact with a fixture body 12, and pressed against and brought into close contact with the fixture body 12 by an elastic body 30. Heat generated by lighting of LEDs 35 of the lamp device 14 is conducted from the cap portion 38 to the fixture body 12 and efficiently radiated.
摘要:
According to one embodiment, a self-ballasted lamp includes a light-emitting module, a base body, a first insulating member, a screw, a second insulating member, a cap and a lighting circuit. The light-emitting module has a light-emitting portion including semiconductor light-emitting elements mounted on a surface of a metallic substrate. The base body is made of metal and the light-emitting module is arranged on one end side of the base body. The first insulating member is interposed between the substrate of the light-emitting module and the base body. The substrate of the light-emitting module is fixed to the base body with the screws. The second insulating member is interposed between the screws and the substrate of the light-emitting module. The cap is provided at the other end side of the base body. The lighting circuit is housed inside the base body.