Patent application number | Description | Published |
20090023583 | PHOTOCATALYST MATERIAL, PHOTOCATALYST COMPOSITION USING THE SAME AND PHOTOCATALYST PRODUCT - An object of the invention is to provide a photocatalyst material having a higher catalyst effect than conventional photocatalyst materials. The photocatalyst material of the invention contains, as its major component, a tungsten oxide powder excited by a light source which emits light having a wavelength of 430 to 500 nm, the photocatalyst material having a decomposition ability of 50% or more wherein the decomposition ability is given by the following equation based on the following test: | 01-22-2009 |
20090296412 | LIGHTING SYSTEM - A spotlight is provided with a substrate having LEDs disposed thereon and a main body casing on which the substrate is provided. The main body casing has a rear side portion having thermal conductivity, which is thermally coupled to the substrate, and is capable of changing the irradiation angle of light emitted from the LEDs. A plurality of heat-radiating fins for forming grooves operating as a plurality of convection paths along the direction of changing the irradiation angle are provided on the rear side portion of the main body casing. | 12-03-2009 |
20120161194 | LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS - A light-emitting device includes a substrate having a front surface on which a semiconductor light-emitting element is mounted. A front cover is provided which thermally contacts the front surface of the substrate at a periphery of the semiconductor light-emitting element and is disposed on a front side of the substrate. A heat conduction path is formed along which heat generated by the semiconductor light-emitting element is conducted in order of the substrate and the front cover and the heat is radiated from a front surface of the front cover, so that a heat radiation property from a front surface of the light-emitting device is improved. | 06-28-2012 |
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 |
20120313551 | Lamp Device - 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. | 12-13-2012 |
20130119866 | Luminaire and Lighting Method - According to one embodiment, a luminaire includes a light source that generates heat, a dome inside of which the light source is accommodated, and a globe covering the light source through the dome. At least part of the dome and at least part of the globe are translucent or transparent. A liquid is sealed in a space formed between the dome and the globe. | 05-16-2013 |
20130250586 | Lighting Device - A lighting device according to an embodiment includes a light source module, a thermal radiation member, and a fixing member. The light source module is a module mounted with a light-emitting element such as an LED (Light Emitting Diode) on the inside and including the light-emitting element as a light source. In the thermal radiation member, the light source module is set. The thermal radiation member radiates heat generated from the light source module. A fixing member is screwed on a sidewall of the thermal radiation member in a state in which the fixing member surrounds the light source module and the thermal radiation member. | 09-26-2013 |
20130300277 | BULB-TYPE LAMP AND LUMINAIRE - According to one embodiment, in a constricted part of a globe, one end is set to a minimum diameter, the other end is set to a maximum diameter, and a diameter thereof increases from the one end side to the other end side. The constricted part of the globe is concaved into the inside of an imaginary straight line connecting an outer edge of the one end and an outer edge of the other end when viewed in section. A light source part includes a semiconductor light-emitting element and is contained in the globe so that a light-emitting part is positioned between both the ends of the constricted part of the globe. A cap is positioned on one end side of the globe. | 11-14-2013 |
20130301280 | Bulb-Shaped Lamp and Luminaire - According to one embodiment, a bulb-shaped lamp includes a light source unit, a plurality of substrates, a substrate holding member, and a globe. The respective substrates hold light source units. The substrate holding member has thermal conductivity and an insulating property and holds the respective substrates. The globe is thermally connected to the substrate holding member. The cap is positioned on one end side of the globe. | 11-14-2013 |