Abstract: A lighting apparatus including a plurality of light-emitting elements mounted on a first surface of a substrate, a heat conducting layer disposed on a second surface of the substrate opposite the first surface, and one or more holes extending from the first surface to the second surface of the substrate. A heat conductive and electrically non-conducting material covers an inner surface of the one or more holes, and is thermally connected to the heat conductive layer.

Abstract: A lighting apparatus including at least one light-emitting element mounted on a first surface of a substrate, a heat conducting layer disposed on a second surface of the substrate opposite the first surface, and one or more holes extending from the first surface to the second surface of the substrate. A heat conductive and electrically non-conducting material covers an inner surface of the one or more holes, and is thermally connected to the heat conductive layer.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A lighting apparatus includes a substrate having a plurality of light-emitting elements mounted thereto. The substrate includes a surface on which a plurality of light-emitting elements are mounted and stress absorbing elements arranged on imaginary straight lines connecting portions for mounting the substrate with each other. The lighting apparatus includes a main body in contact with and fixed to a back surface of the substrate. The lighting apparatus also includes a light directing member in contact with a front surface of the substrate, a plurality of openings into which the plurality of light-emitting elements of the substrate are inserted, and a plurality of reflective surfaces.

Abstract: A substrate for a lighting apparatus includes one or more light-emitting elements mounted thereon. The substrate includes a surface on which the plurality of light-emitting elements are mounted. Additionally, the substrate includes heat conductive elements for conducting heat from the one or more light-emitting elements, the heat conductive elements including heat conductive holes extending through a non-electrically conducting layer formed on a first surface of the substrate and an entirety of the substrate and a heat conductive layer formed on a surface of the substrate opposite the first surface.

Abstract: 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.

Abstract: 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 walls 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 walls. The light source unit includes a light-emitting element.

Abstract: According to one embodiment, a lighting fixture includes a fixture body and a plurality of light-emitting modules. A plurality of light-emitting module arrangement portions are formed on the surface of the fixture body. The light-emitting modules are arranged on the light-emitting module arrangement portions of the fixture body and annularly arranged so that a space is formed at the center area of the fixture body. Semiconductor light-emitting elements are disposed on the surface of the light-emitting module, and a wiring connector is arranged at the space side of the substrate.