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JP5757764B2 |
To provide a light source system having two sets or more of light source devices, which does not increase in size and can detect whether or not there is abnormality for each of the two sets or more of light devices.In a detection period ...
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JP2015103786A |
To provide a COB type luminous body capable of terminating operation at the end stage of the life of an LED without using a protection element, and to provide a lighting device including the luminous body.A luminous body 1 includes: a su...
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JP5725941B2 |
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JP5713819B2 |
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JP2015076265A |
To provide an LED illumination lamp capable of suppressing continuous generation of conduction failure of LED chips.The LED illumination lamp includes: a plurality of LED units 2 each of which includes a plurality of LED chips 22a connec...
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JP2015072842A |
To provide a bulb-shaped lamp having a substrate structure suppressing the blow-out of a fuse due to the influence of heat, and a lighting fixture having the bulb-shaped lamp.A bulb-shaped lamp 1 includes: a light emitting body 2 having ...
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JP2015065041A |
To provide an electric device that uses no protection element and stops operating at the end of the lifetime of a surface-mounted component generating heat during the operation, and a luminaire including the electric device.An electric d...
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JP5682586B2 |
A light-emitting device includes a substrate having a metal film on a first surface, a light-emitting element mounted on the first surface of the substrate and connected to the metal film, a heat sensitive circuit breaker mounted on the ...
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JP2015043048A |
To provide an optical connector pair in which unlocking of an optical connector can be detected, a light guide part, and a solid lighting device.The optical connector pair includes: a first optical connector 62 including a first ferrule ...
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JP2015041405A |
To provide an illuminating device for tunnels capable of using a battery including a nickel hydrogen secondary battery that is lower in cost compared with a lithium ion secondary battery as an emergency power source, and even if a hydrog...
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JP5669467B2 |
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JP5666318B2 |
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JP5646160B2 |
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JP2014235860A |
To inhibit a voltage applied to a surface light source from exceeding a rated voltage when the surface light source is attached to a surface light source holding member.A light emitting device 10 includes: a surface light source holding ...
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JP5608502B2 |
An illumination system includes an excitation light source that emits excitation light, a phosphor unit that converts the excitation light emitted from the excitation light source into fluorescence to emit the fluorescence toward an illu...
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JP5598846B2 |
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JP5591624B2 |
Disclosed is a lighting device (1). The lighting device (1) includes: a housing (100); at least one reflector (200) disposed inside the housing (100); and a light source unit (300) being disposed inside the housing (100) and emitting lig...
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JP5576232B2 |
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JP5564261B2 |
One embodiment of the invention proposes a light-emitting device comprising a radiation source for the emission of a radiation having at least a first wavelength, and an elongated, curved light-guiding body, into which the radiation emit...
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JP5563645B2 |
To provide an optical element module having a waterproof function and a surface light source device using the optical element module.An optical element module includes: a plate like substrate 100; an optical element 200 coupled to an upp...
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JP2014137856A |
To provide an LED energy conservation explosion-proof lamp.An LED energy conservation explosion-proof lamp comprises: a lamp seat 2; an LED light emitting element 3; lamp cover 4; and annular cover 5. The lamp seat 2 is provided with a s...
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JP3191755U |
To provide a lighting fixture in which a fall prevention string is prevented from being caught in a fitting portion when a lighting unit is attached to a main body unit. A long main body unit 1 having an installation surface, a lighting ...
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JP2014120354A |
To maintain installation compatibility with an existing fluorescent lamp fixture, be easy to mount a straight tube type LED lamp and never give an electric shock, so as to, in the case of an erroneous mounting of the straight tube type L...
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JP2014089829A |
To provide a lighting fixture mounting device in which a lighting fixture hardly falls from a pole, and a lighting fixture using the same.A lighting fixture mounting device 2, which is for mounting a lighting fixture 3 on a pole 1 provid...
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JP2014067553A |
To provide a socket for E-type cap that prevents heat damage due to erroneous attachment of a non-application lamp, and to provide a lighting fixture including this socket.A socket 3 includes a screw shell 21 having an internally threade...
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JP5451990B2 |
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JP5434657B2 |
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JP5428719B2 |
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JP5424714B2 |
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JP5411221B2 |
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JP2014027190A |
To provide an electrolytic capacitor capable of suppressing leakage of electrolyte even when a pressure open mechanism of an electrolytic capacitor is opened and achieving further downsizing.After winding or lamination of an anode foil a...
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JP2014022136A |
To provide a feed-in for a lighting duct capable of performing proper notification according to an output characteristic of a connected DC power supply, and a lighting duct system using the same.A feed-in 1 for a lighting duct is used fo...
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JP5384964B2 |
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JP5364692B2 |
It is an object of the present invention to provide a light emitting device which is less affected by a malfunction caused in a light emitting element. It is another object of the invention to provide a light emitting device in which lig...
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JP2013243125A |
To provide a lamp socket, an illuminating fixture, and an LED illuminating device capable of preventing that an overvoltage is applied to an LED element at connection of a lamp.In an illuminating device of this invention, a lamp socket 1...
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JP5356800B2 |
To provide a compact self-ballasted lamp capable of cutting off power supply to a lamp body in the event of abnormal heat generation without increasing the size of a case. A base metal part 14 includes a composite plate 46 constituted by...
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JP2013229138A |
To provide a lamp fixture dedicated to LEDs capable of installing an LED lamp without being affected by the case shape of the LED lamp and having a function of preventing breakage due to overheat without lighting, or immediately turning ...
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JP2013222701A |
To arrange a plurality of lamps by making a base itself of the lamp with an LED board into a shape capable of obtaining high heat radiation efficiency.A long base is formed with a material excellent in heat conduction and heat radiation,...
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JP3186754U |
An illumination device (1) which responds to a human presence includes a lamp holder (10), a light source (20), an infrared sensing unit (40) in a human body sensing module (30), and a driving control unit (50). The lamp holder (10) defi...
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JP2013200944A |
To provide a light source device capable of detecting leakage of a coolant from a cooling system for cooling the light source device and preventing damage to a light source and a power source due to adhesion of the coolant.A light source...
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JP5307571B2 |
To provide a bulb type illumination light source in which, an abnormally high-temperature state of a casing can be easily recognized without touching a casing, and, particularly, even when the casing is in an abnormally high-temperature ...
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JP2013197033A |
To provide a solid lighting device of high luminance with enhanced safety.A solid lighting device includes a light source, a light-emitting part, a light-receiving part, a light guide, and a protection circuit. The light source includes ...
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JP5294766B2 |
To provide a lighting device which prevents a fire spread to the outside of a case to improve the safety and allows fire spread prevention specifications and inexpensive normal specifications to be freely switched. The lighting device in...
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JP2013145647A |
To provide an LED lamp capable of restraining deterioration of an illumination environment by detecting no lighting-up group of LED groups, an LED lighting-up device, and a lighting fixture using the LED lamp and LED lighting-up device.T...
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JP5219285B2 |
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JP2013089356A |
To save energy more easily than before when saving the energy by partially stopping lighting of a fluorescent lamp.First and second ring-shaped terminals 4, 5 inserted into rod-like electrodes at both ends of a fluorescent lamp respectiv...
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JP5172470B2 |
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JP5160650B2 |
Proposed is a light emitting module (1), comprising a semiconductor light emitting device (10) and a thermal switch (20). The thermal switch (20) is arranged to protect the device (10) from over heating. At elevated temperatures the junc...
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JP5146669B2 |
To provide a lighting device 11 provided with an excessive discharge prevention function of a battery, without upsizing of a device, and preventing occurrence of failure of excessive discharge prevention circuit 56 and malfunction caused...
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JP2013031350A |
To solve the problem of LEDs used increasingly as light sources in place of mercury lamps for road lamps, etc. that although magnetic ballasts are used for mercury lamps, semiconductor components are used in many cases for the control po...
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