Patent application number | Description | Published |
20100301748 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - The invention provides a self-ballasted lamp having high heat radiation performance, which is lightweight and inexpensive. A substrate having LED elements mounted is provided at one edge side of the radiator, and a cap is provided at the other edge side the radiator. A lighting circuit is accommodated between the radiator and the cap. The radiator includes a cylindrical cover member and an annular radiation member fitted to the outer circumferential part of the cover member and is composed by combining the cover member and the radiation member together. The cover member and the radiation member are made of metal and are formed by press-working. | 12-02-2010 |
20110057576 | POWER SUPPLY DEVICE AND LIGHTING EQUIPMENT - In a power supply device according to one embodiment, a reference signal Vref | 03-10-2011 |
20120002425 | LIGHT-EMITTING MODULE AND LUMINAIRE - According to one embodiment, a light-emitting module includes a substrate, a light-emitting element, a light distribution control member, and a cover. The substrate includes a surface on which a thermally conductive portion and a interconnect pattern are formed. The light-emitting element is thermally connected to the thermally conductive portion, is electrically connected to the interconnect pattern, and generates heat while emitting light. The light distribution control member is thermally connected to the thermally conductive portion at a periphery of the light-emitting element, includes a ridge portion formed on an exit side where light emitted from the light-emitting element is projected, and is configured to control distribution of the light emitted from the light-emitting element. The cover is thermally connected to the ridge portion and configured to pass therethrough the light emitted from the light-emitting element. | 01-05-2012 |
20120134153 | LIGHT SOURCE UNIT, LIGHT SOURCE DEVICE, AND ILLUMINATION DEVICE - A light source unit includes a light-emitting element | 05-31-2012 |
20120243227 | LIGHT-EMITTING MODULE, LIGHT-EMITTING MODULE UNIT, AND LUMINAIRE - According to one embodiment, a light-emitting module includes a substrate and a light-emitting element mounted on the substrate. One side of the light-emitting module has a length of 160 mm to 200 mm. An optical output per area for a square section of the light-emitting module having a side length equal to the length of the one side is 700 lm to 1300 lm, and a rated power consumption of the square section is equal to or less than 16 W. A plurality of such light-emitting modules are arranged and combined to form various luminaires having shapes and lighting performances equivalent to a shape and lighting performance of a luminaire including a fluorescent lamp as a light source. | 09-27-2012 |
20120262928 | LAMP APPARATUS AND LUMINAIRE - 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. | 10-18-2012 |
20130027924 | TUBE LAMP AND LUMINAIRE - Both ends of a lamp body are mounted on sockets of an apparatus body and a feeding unit configured to feed power to LEDs is provided on the back side facing the apparatus body of the lamp body. | 01-31-2013 |
20130088173 | POWER SUPPLY DEVICE AND LIGHTING EQUIPMENT - In a power supply device according to one embodiment, a reference signal Vref | 04-11-2013 |
20140191658 | SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT - The invention provides a self-ballasted lamp having high heat radiation performance, which is lightweight and inexpensive. A substrate having LED elements mounted is provided at one edge side of the radiator, and a cap is provided at the other edge side the radiator. A lighting circuit is accommodated between the radiator and the cap. The radiator includes a cylindrical cover member and an annular radiation member fitted to the outer circumferential part of the cover member and is composed by combining the cover member and the radiation member together. The cover member and the radiation member are made of metal and are formed by press-working. | 07-10-2014 |