Abstract: A lamp includes an outer shell having heat conductivity, a base provided in the outer shell, and a cover provided in the outer shell. The outer shell has a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support is formed integral with the heat radiating surface. A light source is supported on the light source support. The light source is heated during lighting, and thermally connected to the light source support. The light source is covered with the cover.

Abstract: According to one embodiment, a discharge lamp includes a light-emitting part including a discharge space therein in which a metal halide and a gas are sealed, and a pair of electrodes which protrude toward an inside of the discharge space and are arranged to face each other while separated by a specified distance. Power consumption at a time of stable lighting is 20 W or more and 30 W or less. When a pressure of the gas sealed in the discharge space is X (atm), and a distance between a center axis of the electrodes and a surface of the metal halide is m (mm), a following expression is satisfied: 0.085?m/X?0.12.

Abstract: A lighting device according to an embodiment includes a body section; a substrate that is provided in the body section; a wiring pattern that is provided on a surface of the substrate and has a plurality of wiring pads; a plurality of light emitting elements that are provided on the wiring pattern and have electrodes in the vicinity of a the circumference edge of a surface opposite to a side on which the wiring pattern is provided; a plurality of wirings that respectively connect the plurality of wiring pads and a plurality of electrodes; a surrounding wall member that is provided so as to surround the plurality of light emitting elements and has an annular shape; and a sealing section that is provided so as to cover the inside of the surrounding wall member. Then, at least a part of the plurality of light emitting elements is connected in series.

Abstract: According to one embodiment, there is provided a light-emitting device including a light-emitting section, a thermal radiation member, and a heat conduction layer. The light-emitting section includes a mounting substrate section and a light-emitting element section. The mounting substrate section includes a substrate, a first metal layer, and a second metal layer. The substrate includes a first principal plane including a mounting region and a second principal plane. The first metal layer includes mounting patterns provided in the mounting region. The light-emitting element section includes semiconductor light-emitting elements and a wavelength conversion layer. The semiconductor light-emitting elements are connected to the mounting patterns. The luminous existence of the light-emitting element section is equal to or higher than 10 lm/mm2 and equal to or lower than 100 lm/mm2. The thermal radiation member has an area equal to or larger than five times the area of the mounting region.

Abstract: According to one or more arrangements, a lamp may include a device body having heat conductive properties. The device body may include a light source support and a heat radiating surface forming at least a portion of an exterior surface of the lamp device. In some examples, the light source support may be integrally formed with the heat radiating surface. The light source support may further be thermally connected or fixed to a board in various manners (e.g., screw). The board may include a plurality of light-emitting elements mounted thereon. The lamp may further include a cover. In one example, the cover may be constructed of a translucent material.

Abstract: In the present invention, a light emitting panel has a transmissive light emitting region comprising a light emission section for emitting light and a light transmitting section for transmitting light. The light emission section of the transmissive light emitting region has a light emitting part that emits light and a conductive reflective layer that blocks and reflects light. The light emitting part of the transmissive light emitting region has the following: a first electrode layer that is electrically connected to one surface of the reflective layer and that is conductive and light transmissive; a second electrode layer that is disposed facing the first electrode layer and that is conductive and light transmissive; and an organic EL layer interposed between the second electrode layer and the first electrode layer.

Abstract: According to one embodiment, a socket includes a main body section, a terminal provided in the main body section and assuming a cylindrical shape, a lead wire being welded to an end face provided at one end portion of the terminal, and an insulating section provided on the inside of the terminal, including a hole section through which the lead wire is inserted, and containing resin. When the cross sectional dimension of the lead wire is represented as W and the opening dimension of the hole section on the end face side is represented as “a”, the socket satisfies the following expression: 1.5 W?a?2.

Abstract: A power supply device according to one embodiment is configured to control a lighting of semiconductor light-emitting elements, wherein a dimming signal is canceled during a predetermined time period (T) from a timing immediately after power-ON, so as to light on light-emitting diodes to have a predetermined light amount, for example, a minimum light amount. After an elapse of the predetermined time period (T), cancellation of the dimming signal is released to light on the light-emitting diodes to have a light amount instructed by the dimming signal.

Abstract: According to one embodiment, a lighting device includes a light emitting unit used for illumination, an information acquisition unit configured to acquire predetermined information, and a projecting unit configured to project an image including the acquired predetermined information in accordance with light on and off control of the light emitting unit.

Abstract: According to one embodiment, a control unit subjects a light-emitting element to constant current control in a dimming degree region shallower than a dimming degree set in advance and subjects the light-emitting element to constant voltage control or constant power control in a dimming degree region deeper than the dimming degree set in advance. When a dimming signal having a deepest dimming degree equivalent to extinction of the light-emitting element is input in a lighting state of the light-emitting element, the control unit gradually reduces an optical output of the light-emitting element from an immediately preceding dimming degree to extinguish the light-emitting element.

Abstract: According to one embodiment, an in-house control system is for controlling an in-house electric equipment. An acquisition unit acquires biological information of a user. A storage part stores the biological information acquired by the acquisition unit. A setting part sets schedule information. A control part controls the electric equipment based on the schedule information set by the setting part and the biological information stored in the storage part.

Abstract: A lighting unit according to one embodiment includes a board, a support member, and a plurality of heat radiation fins. A light emitting element is disposed on a first surface of the board. The support member has an interior surface on which a second surface of the board that is opposite to the first surface is disposed to be in contact therewith to enable heat conduction from the board to the support member. The heat radiation fins are disposed on an exterior surface of the support member substantially parallel with each other and with a clearance between each other, and each having a flat shape that extends outwardly from the exterior surface.

Abstract: There is provided a discharge lamp of an embodiment includes a burner having a light emitting part, and a disk-shaped flange which is capable of holding the burner so that the light emitting part is positioned at a front end side of the flange. The flange includes a resin part formed at an edge of the flange, and a metal part formed to be embedded in the resin part.

Abstract: A power supply device includes a control circuit and a first circuit. The control circuit switches between a current control mode and a voltage control mode according to an inputted dimming signal and thus dims a light-emitting element. In the current control mode the control circuit controls an output current supplied to the light-emitting element to a target current, and in the voltage control mode the control circuit controls an output voltage supplied to the light-emitting element to a target voltage. The first circuit detects the output current and the output voltage, and sets the target voltage at which switching between the current control mode and the voltage control mode is carried out as a first voltage.

Abstract: A light emitting device according to an embodiment includes: a main body section; a light emitting section provided in the main body section and including a light emitting element; a cover provided on a side of the main body section where the light emitting section is provided; and an adhesive section provided between the main body section and the cover in a part of a region on the side of the main body section where the light emitting section is provided.

Abstract: According to one embodiment, an LED lighting device comprises at least one normally-on type switching element, an output generation unit that generates DC output by an on-off operation of the switching element, a semiconductor light emitting element that is lit by the DC output generated by the output generation unit, and a driving control unit that causes the switching element to perform an off operation using a current passed through the semiconductor light emitting element.

Abstract: According to one embodiment, an incandescent lamp includes: a bulb; a pair of lead sections that have respectively a holding section including nickel or molybdenum as a main component and an introduction section that is joined to one end portion of the holding section and is formed of Dumet wire; a filament section that is held between end portions of a pair of holding sections opposite to a side on which the introduction sections are joined inside the bulb; a fixing member that holds a pair of introduction sections inside the bulb; and a sealing section that seals one end portion of the bulb and holds the pair of introduction sections.

Abstract: According to one embodiment, there is provided a vehicle interior lighting device including a plurality of light-emitting elements, a switch for switching an ON mode for lighting at least a part of the plurality of light-emitting elements and a DOOR mode for lighting at least a part of the plurality of light-emitting elements when a door of a vehicle is in an open state and extinguishing the plurality of light-emitting elements when doors of the vehicle are in a closed state, and a control section configured to control light-emitting states of the plurality of light-emitting elements to set an amount of light in the DOOR mode to be more than an amount of light in the ON mode.

Abstract: A lamp according to an embodiment includes a bulb, a filament, a gas, and a reflective film. The filament is disposed in the interior of the bulb along the tube axis. The gas is filled in the interior of the bulb. The reflective film is formed on the outer circumferential surface of the bulb and reflects a light from the filament toward the interior of the bulb. Further, the reflective film is formed by depositing a reflective film material containing TiO2, SiO2, and BaSO4 on the outer circumferential surface of the bulb.

Abstract: According to one embodiment, there is provided a light emitting module including a light emitting panel and a reflection portion. The light emitting panel includes a first electrode, a second electrode, and an organic layer. The second electrode faces the first electrode. The second electrode has a power supply portion and a light transmission portion. The organic layer is provided between the first electrode and the second electrode. The organic layer has a light emitting layer. The reflection portion is provided so as to face the first electrode of the light emitting panel.