Patent application number | Description | Published |
20100321935 | LIGHT SOURCE UNIT AND ILLUMINATION DEVICE - According to one embodiment, a power source unit includes a substrate and a reflective body. The substrate includes a plurality of light-emitting elements mounted thereon. The reflective body includes a plurality of incident openings each corresponding to one of the plurality of light-emitting elements, an output opening to which light that has passed through the incident opening is output, and a plurality of reflective surfaces that expand from the incident opening toward the output opening. Reflective surfaces included in the plurality of reflective surfaces and positioned on an outermost side are provided to be adjacent to one another, and an angle is set so as to prevent reflective light of light emitted from the light-emitting elements from traveling toward an outer side in a reflective surface formed on the outer side. | 12-23-2010 |
20110075427 | LIGHTING APPARATUS - According to one embodiment, a lighting apparatus includes a main body including a flat thermal conduction surface. The thermal conduction surface contacts a back surface of a board. Light-emitting devices are mounted on a front surface of the board. An optical member is opposed to a peripheral part of the board on the front surface side of the board. The optical member is fastened to the main body by fastening members, to push the peripheral part of the board against the heat conduction surface of the main body. | 03-31-2011 |
20110216547 | LIGHTING APPARATUS - In one embodiment, a lighting apparatus includes a base electrically grounded and a substrate provided in the base in which an emitting element is mounted. A transmissive cover is arranged in the front side of the substrate, and a metallic holding element is fixed to the base for supporting a peripheral portion of the cover by pressing the peripheral portion from the front side. | 09-08-2011 |
20120081897 | LUMINAIRE - A luminaire includes a plurality of light-emitting elements, and an optical member. The optical member is formed a refractive area of a Fresnel lens for each of the light-emitting elements individually and a reflective area of the Fresnel lens between the refractive areas. | 04-05-2012 |
20140055022 | LUMINAIRE - An LED module substrate includes a substrate main body, an LED mounted on one plane of the substrate main body, and a contact mounted at an edge of the one plane of the substrate main body and electrically connected to the LED. A cover section covers the LED module substrate in which the contact and the thermal radiation sheet are exposed. A lamp is attached to a socket. The socket includes a terminal electrically connected to the contact by the attachment of the lamp. A luminaire main body includes a thermal radiator including a contact surface and a recess. The lamp attached to the socket is brought into contact with and thermally connected to the contact surface. The recess is provided in a position opposed to the terminal of the socket. | 02-27-2014 |
20140091698 | Lamp Device and Lighting Apparatus - A lamp device includes a substrate body, a light source part mounted on the substrate body, and a contact portion electrically connected to the light source part. A cover receives the light source part in a space formed by the cover and the substrate body, is light transmissive at least at a position facing the light source part, and spatially separates the light source part mounted on the substrate body and the contact portion. | 04-03-2014 |
20140133165 | Light Emitting Module Having Heat Conductive Substrate - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer. | 05-15-2014 |
20140133166 | Light Emitting Module Having Heat Conductive Substrate - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer. | 05-15-2014 |
20140133167 | Light Emitting Module Having Heat Conductive Substrate - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conducting material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conducting layer and an electrically conductive layer such that the electrically non-conducting layer is electrically isolated or separated from the electrically conductive layer. | 05-15-2014 |
20140286014 | Lamp Device and Luminaire - According to one embodiment, a housing includes a cover provided with an opening section opened on the front side, which is a light emission side, and a thermal radiation section on the rear side opposite to the front side. An opening section of the cover is located further on the rear side than a peripheral portion of the cover. A light-emitting module includes a substrate and a light-emitting section formed on the substrate. The substrate is thermally connected to the thermal radiation section. The light-emitting section is opposed to the opening section of the cover, The translucent member is arranged in the opening section of the cover and located further on the rear side than the peripheral portion of the cover. | 09-25-2014 |
20140355265 | Lamp Device and Luminaire - According to one embodiment, a housing of a lamp device a cylindrical shape, and includes an opening part at one end side, a closing part at the other end side, and an insertion part formed at a center of the closing part. A thermal radiator includes a support part which is inserted through the insertion part, a light-emitting module connection part which is provided at one end side of the support part and to which the light-emitting module is connected to enable heat conduction, and an external thermal radiation part provided at the other end side of the support part. An area of the light-emitting module connection part is smaller than a cross-sectional area of the support part, and the support part, the light-emitting module connection part and the external thermal radiation part are integrally formed. | 12-04-2014 |
Patent application number | Description | Published |
20090290354 | REFLECTOR AND LIGHTING APPARATUS COMPRISING REFLECTOR - A reflector built in a down light includes a plurality of floodlight openings respectively exposing a plurality of light-emitting elements to a front surface side, a plurality of radial partition walls which respectively partition and surround these floodlight openings, and an inner circumferential partition wall. Each of the partition walls has a ridge line, and the reflector includes a plurality of reflection concave surfaces each which open and widen from a respective one of the plurality of floodlight openings towards ridge lines of the plurality of partition walls which respectively surround the plurality of floodlight openings. The plurality of radial partition walls extend from the center of the reflector towards the outer circumference, and the inner circumferential partition wall is located between the center and the outer circumference. | 11-26-2009 |
20090296414 | LIGHTING APPARATUS AND SUBSTRATE HAVING PLURALITY OF LIGHT-EMITTING ELEMENTS MOUNTED THEREON AND INCORPORATED IN THIS LIGHTING APPARATUS - The present invention provides a down light include a thermally-conductive main body, and a substrate which is mounted on this main body through a plurality of screw, has slits which are formed on straight lines connecting the screw with each other in directions orthogonal to the straight lines, and has a plurality of LEDs arranged thereon. | 12-03-2009 |
20100038657 | LIGHTING APPARATUS - A lighting apparatus is provided with a plurality of light-emitting devices, a substrate, a blind member, and a reflector. The reflector is formed with a plurality of reflective surfaces corresponding to the light-emitting devices, individually. The shielding angle at which light emitted from that one of the light-emitting devices which is located on the outermost periphery is intercepted by the reflective surface corresponding to the outermost light-emitting device is greater than shielding angles at which light emitted from the light-emitting devices located inside the outermost light-emitting device is intercepted by the reflective surfaces corresponding to the inside light-emitting devices. | 02-18-2010 |
20100053950 | LIGHTING APPARATUS HAVING LIGHT EMITTING DIODES FOR LIGHT SOURCE - A down-light has a main body, a substrate, a plurality of LEDs, a reflector, a central boss, a central screw and peripheral screws. The main body has a mounting area. The substrate having LEDs is assembled in the mounting area. The reflector is attached to the main body with the substrate interposed therebetween, and reflects light emitted from the LEDs. The central boss is formed on the mounting area to correspond to a central part of the substrate. The central screw fixes the central part of the substrate to the central boss from the reflector side. Peripheral screws fix the substrate to the main body by pulling the reflector from the main body side. | 03-04-2010 |
20100067226 | LIGHT SOURCE UNIT AND LIGHTING APPARATUS HAVING LIGHT-EMITTING DIODES FOR LIGHT SOURCE - A light source unit is provided with a substrate and segments of a reflector. The substrate has a plurality of light-emitting devices mounted on its central and peripheral portions. The segments correspond to the light-emitting devices, individually. The segment corresponding to the light-emitting devices mounted on the central portion are higher in thermal radiation capacity than the segment corresponding to the light-emitting devices mounted on the peripheral portion. | 03-18-2010 |
20100128491 | RECESSED LUMINAIRE - A recessed luminaire includes a main body including a light source, a terminal base attachment member, which is fire-resistant and extending laterally from the main body, and a terminal base, which is disposed on a lower surface of the terminal base attachment member and to which power wires extending in parallel in a direction of extension of the terminal base attachment member are connected. | 05-27-2010 |
20100226131 | LIGHTING EQUIPMENT - LEDs, a reflector, and a baffle are disposed on the underside of the equipment main body. An emission opening for emitting light of the LEDs and a reflection surface for emitting light of the LEDs from the emission opening by reflecting the same are provided in the reflector. The baffle is disposed outside the direct light emission area where direct light from the LEDs is emitted from the emission opening of the reflector. The direct light from the LEDs can be picked up without being blocked by the baffle, and the light pick-up efficiency can be improved. | 09-09-2010 |
20120314432 | Lighting Apparatus and Light-Emitting Element Substrate Having Stress Absorbing Means - A substrate for a lighting apparatus may include a plurality of light-emitting elements mounted thereon. The substrate may include a surface on which the plurality of light-emitting elements are mounted. Additionally or alternatively, the substrate may include stress absorbing element arranged on, in some examples, imaginary straight lines connecting portion for mounting the substrate with each other. | 12-13-2012 |
Patent application number | Description | Published |
20120243243 | LUMINAIRE - According to an embodiment, a luminaire includes a thermal radiation member, and a light source unit provided on a front side of the thermal radiation member. The thermal radiation member has plural support poles provided on a rear surface radially about a substantially central portion of the rear surface toward an outer periphery, and plural thermal radiation fins provided on the rear surface, being away from each other and substantially parallel to each other toward the outer periphery from neighboring wall surface sides of the plural support poles. The light source unit includes a light-emitting element. | 09-27-2012 |
20130002134 | Lighting Apparatus - According to an exemplary embodiment, a lighting apparatus includes a light source that includes a light emitting element, and a member which is irradiated by light emitted from the light source and which is formed of resin substantially not containing halogen or phosphorus. | 01-03-2013 |
20130070460 | LIGHTING APPARATUS - A lighting apparatus according to an exemplary embodiment includes a light source including a light emitting element, a reflection portion main body that is formed of an incombustible resin and is provided at an emission side of the light source, and a reflection layer that is formed of resin substantially not containing halogen or phosphorus and is provided on a surface of the reflection portion main body. | 03-21-2013 |
20130214667 | Lighting Apparatus - According to an exemplary embodiment, a lighting apparatus includes a light source that includes a light emitting element, and a member which is irradiated with light emitted from the light source and which is formed of resin having absorptivity of 15% or less in a wavelength in which intensity is 10% of a peak intensity, at a wavelength side that is shorter than an intensity peak of a spectrum of blue light emitted from the light source. | 08-22-2013 |
Patent application number | Description | Published |
20140085862 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a main body, a light source, a light transmitting cover, and a reflector. The main body is formed from metal. The light source has a substrate formed from ceramic and attached to the light source attachment portion of the main body, and a light emitting element mounted on the substrate. The light transmitting cover is formed from glass. The reflector is formed from metal. The reflector is held by the main body without contact with respect to the main body and the light source between the light source attachment portion and the light transmitting cover. Between the light source attachment portion and the light transmitting cover, parts irradiated with light emitted from the light emitting element do not contain resin except a part in the light source. | 03-27-2014 |
20140085902 | LUMINAIRE - According to one embodiment, a luminaire includes a main body made of metal, a light source, a reflector made of metal, a translucent cover made of glass, and an insulating member. The main body includes a light-source attaching section, an opening opposed to the light-source attaching section, a sidewall section, and a reflector supporting section. The reflector includes a flange section supported by the reflector supporting section in a non-contact manner and a reflection surface expanding from a daylight opening toward a floodlight opening. The translucent cover is provided on the floodlight opening side. The insulating member is configured to hold the flange section of the reflector and an outer edge portion of the translucent cover, and interposed between the flange section and the outer edge portion, and between the flange section and the reflector supporting section. | 03-27-2014 |