Abstract: A light bulb shaped lamp according to the present invention includes: a hollow globe; an LED module including a base platform and an LED chip mounted on the base platform, the LED module being provided in the globe; a lead wire for supplying power to the LED module; and a stem extending toward the interior of the globe, in which the base platform is directly fixed to the stem.

Abstract: Provided is a light source including a light-emitting element, an outer shell that houses therein the light-emitting element, and a base that is provided at the outer shell and receives power from the outside to cause the light-emitting element to emit light. The outer shell is electrically-insulative and light-transmissive. On at least part of the outer surface or the inner surface of the outer shell, an electrically-conductive member is provided. The electrically-conductive member is electrically connected to a grounding terminal of the lighting fixture. According to this structure, an electric charge stored on the outer surface can be discharged to the outside from the lighting fixture. This prevents the attachment of dust to the outer shell, and keeps the luminous flux close to the initial level for a long time period and reduces the amount of maintenance.

Abstract: A light bulb shaped lamp according to the present invention includes: a hollow globe; an LED module including a base platform and an LED chip mounted on the base platform, the LED module being provided in the globe; a lead wire for supplying power to the LED module; and a stem extending toward the interior of the globe, in which the base platform is directly fixed to the stem.

Abstract: A lamp comprises: a primary reflective mirror being funnel-shaped and having an opening at one end; LEDs disposed within the primary reflective mirror; a base attached to another end of the primary reflective mirror; and a circuit configured to receive power via the base and cause the LEDs to emit light. The circuit unit is housed in a circuit case and disposed within the primary reflective mirror close to the opening in a direction in which the LEDs emit light. The circuit case has a secondary reflective surface configured to reflect light emitted from the LEDs to a reflective surface of the primary reflective mirror.

Abstract: A light source device is provided such that light emerges mainly from the axially central section of an outer tube and is configured to minimize the risk of thermal damage to electronic components of a circuit unit. The device includes: a semiconductor light-emitting element as a light source; a circuit unit driving the semiconductor light-emitting element to emit light; and an envelope formed from an outer tube and a power connector, the envelope housing the semiconductor light-emitting element and the circuit unit. A light diffuser having a reflective outer surface to diffuse incident light is disposed at least partially in the axially central section of the outer tube. The semiconductor light-emitting element is disposed on a side of the light diffuser at which the power connector is located and in an orientation that its main emission direction points toward the light diffuser.

Abstract: A light bulb shaped lamp includes: a hollow globe having an opening; an LED module having a base platform and an LED chip mounted on the base platform, the LED module being housed in the globe; a stem extending from the opening of the globe to the vicinity of the LED module; and a regulating component which regulates movement of the LED module with respect to the stem.

Abstract: A mount member (5) has a contact surface (27a) touching the bottom surface of an LED module (3) and protrusions (5a) protruding from the periphery of the contact surface (27a) in the thickness direction of the LED module (3) and regulating sliding motions thereof. A fixing member (6) made of a resilient, plate-like member comprises an opposing pair of flat portions (43) near the contact surface (27a) of the mount member (5) and flat tabs (44) projecting from the flat portions (43) toward the contact surface (27a) touching the upper surface of a substrate (17). The flat portions (43) of the fixing member (6) are fastened to be lower than the top surface of the substrate (17) of the LED module (3). Thus, elastically deformed areas extending from the fastened parts of the flat portions (43) through the flat tabs (44) press the substrate (17) into the mount member (5).

Abstract: A lamp includes a semiconductor light-emitting element, a light guiding element, a wavelength converter, a reflecting mirror, and a circuit unit axially disposed within a central section of the outer tube of an envelope. Light emitted by the semiconductor light-emitting element is guided by the light guiding element to be incident on and be converted by the wavelength converter. At least one component of the circuit unit is disposed at a side of the wavelength converter opposite the semiconductor light-emitting element. The reflecting mirror is disposed between the at least one component of the circuit unit and the wavelength converter, and reflects at least part of light received from the wavelength converter back toward the wavelength converter.

Abstract: A light-emitting device including: a base which is translucent; a semiconductor light-emitting element provided on the base; a sealing member for sealing the semiconductor light-emitting element and including a first wavelength conversion material for converting a wavelength of light emitted by the semiconductor light-emitting element to a predetermined wavelength; and a groove provided on a side of the semiconductor light-emitting element, recessed from a top surface of the base on which the semiconductor light-emitting element is provided or a back surface of the base which is a surface opposite to the top surface, and for holding a second wavelength conversion material for converting the wavelength of the light emitted by the semiconductor light-emitting element to the predetermined wavelength.

Abstract: A lamp pertaining to the present invention has an envelope including a base. The envelope houses semiconductor light-emitting elements, a circuit unit lighting the semiconductor light-emitting elements, and a light-guiding member. The light-guiding member has a hollow portion, and the circuit unit is housed in the hollow portion. The light-guiding member includes a light-receiving portion and a light-emitting portion connected to the light-receiving portion. The light-guiding member is held within the envelope such that the light-emitting portion faces the semiconductor light-emitting elements.

Abstract: A lamp capable of effectively suppressing increase in the temperature of circuit devices is provided. The lamp includes: an LED module composed of LED chips; a base through which electric power is received; a lighting circuit which includes a circuit device group for generating electric power for causing the LED module to emit light using the electric power received through the base; an inner casing which is a tubular portion made of resin for housing the lighting circuit; and an outer casing which is a tubular portion for housing the inner casing. On the circumferential surface of the inner casing, a protrusion is provided which directly abuts the inner circumferential surface of the outer casing.

Abstract: A light-emitting device which emits light omnidirectionally is provided. A light-emitting device according to the present invention includes: a package which is translucent; an LED provided in a recess in the package; and a sealing member for sealing the LED and packaging the recess; and the recess includes a bottom surface on which the LED is mounted and a side surface surrounding a bottom surface, and light emitted by the LED is transmitted inside the package through the bottom surface and the side surface of the recess and is emitted to outside of the package from the back surface and the side surface of the package.

Abstract: An object of the present invention is to provide a mounting substrate, a manufacturing method, a light-emitting module and an illumination device that can sufficiently improve the luminous efficiency of an LED lamp. A mounting substrate according to the present invention includes a substrate and a reflective film that is formed on a front surface of the substrate and has a front surface on which LED chips are to be mounted, and the reflective film is made of metal oxide microparticles and a glass fit, and reflects light from the LED chips.

Abstract: A health state management device manages information on a state of health of a driver of transportation equipment. An authentication portion authenticates the driver, and a health state judgment portion measures blood component data of the driver authenticated by the authentication portion. The health state judgment portion judges the state of health of the driver using the blood component data. A decision portion decides whether or not to permit operation of the transportation equipment based on a judgment result of the health state judgment portion, and a storage portion stores the judgment result of the health state judgment portion and a decision result of the decision portion in association with driver identification information of the driver.

Abstract: A lamp 1 includes a semiconductor light-emitting element 12 and a circuit unit 40 housed in an envelope 2. Within an axially central section of an outer tube 30, a wavelength converter 90 that converts wavelengths of incident light is disposed. The semiconductor light-emitting element 12 is disposed in a region at a side of the wavelength converter 90 facing a base 60 and oriented to have the main emission direction away from the base 60. A light guide 80 is disposed between the wavelength converter 90 and the semiconductor light-emitting element 12 and guides emission light of the semiconductor light-emitting element 12 to the wavelength converter 90. At least one component of the circuit unit 40 is disposed in a region at a side of the wavelength converter 90 opposite the semiconductor light-emitting element 12.

Abstract: A lamp 1 includes a semiconductor light-emitting element 12 as a light source, a circuit unit 40 that causes the semiconductor light-emitting element 12 to emit light, and an envelope 2 having an outer tube 30 and a base 60. The semiconductor light-emitting element 12 and the circuit unit 40 are housed in the envelope 2. The semiconductor light-emitting element 12 is disposed in a region at a side of an axially central section of the outer tube 30 facing the base 60 and oriented so that a main emission direction points away from the base 60. At least one component of the circuit unit 40 is disposed in a region at a side of the axially central section of the outer tube opposite the semiconductor light-emitting element 12. A light guide 50 that guides emission light of the semiconductor light-emitting element 12 along the axial direction is disposed between the at least one component of the circuit unit 40 and the semiconductor light-emitting element 12.

Abstract: A light-emitting device capable of effectively dissipating heat generated at an LED is provided. The light-emitting device according to the present invention includes: a base board and an LED chip mounted on the base board. The base board is a translucent base board made of a polycrystalline ceramic. A main region of the base board includes an element mounted region on which the LED chip is mounted, and an average grain size of the polycrystalline ceramic in the main region is between 10 ?m and 40 ?m inclusive. An end portion region of said base board is a region around an end portion, and an average grain size of the polycrystalline ceramic in the end portion region is preferably smaller than an average grain size of the polycrystalline ceramic in the element mounted region.

Abstract: Provided is a bulb-type LED lamp 10 configured to diffuse light outward through a globe. The bulb-type LED lamp 10 includes LED modules 22, 24, 28, 30, each having a mounting substrate and LEDs mounted on the mounting substrate, and a base 14 through which power is supplied to the LEDs for light emission. The LED lamp 10 also includes a light diffusing member 58. Among the LED modules 22, 24, 28, 30, the LED module 22 is positioned on an imaginary extension of a central axis X of the base 14, and the light diffusing member 58 is positioned inside the globe 16 to receive light emitted from the LED module 22. The other LED modules 22, 28, 30 are positioned in a vicinity of the LED module 22, tilted to face the light diffusing member 58.

Abstract: A light-emitting device including: a base which is translucent; a semiconductor light-emitting element provided on the base; a sealing member for sealing the semiconductor light-emitting element and including a first wavelength conversion material for converting a wavelength of light emitted by the semiconductor light-emitting element to a predetermined wavelength; and a groove provided on a side of the semiconductor light-emitting element, recessed from a top surface of the base on which the semiconductor light-emitting element is provided or a back surface of the base which is a surface opposite to the top surface, and for holding a second wavelength conversion material for converting the wavelength of the light emitted by the semiconductor light-emitting element to the predetermined wavelength.

Abstract: A light bulb shaped lamp capable of achieving light-distribution property equivalent to that of a conventional incandescent light bulb and easily fixing the LED module in the lamp is provided. The lamp according to the present invention includes an LED module housed in a hollow globe and a fixing component for fixing the LED module. The LED module includes a translucent board having a first main surface with an LED mounted thereon and a second main surface. The board includes a first light-emitting area and a second light-emitting area, the first light-emitting area in which predetermined light by the LED is emitted from the first main surface toward the globe, and the second light-emitting area in which predetermined light by the LED is emitted from the second main surface toward the globe.