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Patent Searching and Data


Matches 601 - 650 out of 2,179

Document Document Title
JP2011086633A
To provide a light emitting device which is less affected from malfunction occurring in light emitting elements and has a structure in which the light emitting elements are connected in series.The light emitting device is formed by conne...  
JP2011082053A
To provide a fluorescent lamp which effectively facilitates preventing cover glass from shattering.The fluorescent lamp 10 is structured of a base 11 capable of connecting with a socket, a case 12 having a built-in stabilizer 13 joined w...  
JP2011082190A
To provide a light-emitting device which is less affected by the faults in light-emitting elements and whose light-emitting elements are connected in series.One embodiment of a light-emitting device includes a pair of circuits connected ...  
JP2011076963A
To provide a light source device capable of preventing an optical axis of a convergence type discharge lamp from being shifted when replacing a lamp.The light source device 1 includes a device body 4 built in replaceably with the converg...  
JP2011065062A
To provide an internal illumination-type signboard, wherein difference in illuminance on a display screen can be minimized even when a fault occurs in an LED panel and the size of a power source device is made small.The internal illumina...  
JP2011054551A
To provide a power supply device, an LED illumination lamp and a luminaire, which can ensure improvement in safety, when removing a light source.An interlock switch 51 is assembled into a female connector 28, and which a male connector 3...  
JP4651849B2  
JP2011507258A
Luminescence module 1 which has semiconductor emission device 10 and heat switch 20 is proposed. Heat switch 20 is arranged so that device 10 may be protected from overheating. At temperature which rose, the joined part of device 10 may ...  
JP2011044429A
To provide a lighting system having a novel structure and easy to exchange a light source portion and to assemble.The lighting system includes: a first body 310 with a first slant surface 310b slanted toward a reflecting body formed on o...  
JP4644297B2  
JP4624337B2  
JP3165208U
[Subject] It is long lasting and provides an energy-saving measure apartment night-light system without worries about a fire. [Means for Solution] LED or EL lamp, thin film form EL, and organic EL 1 are turned on with power supply 2 whic...  
JP2011003398A
To provide a lamp with a base and a lighting fixture wherein a lighting device is made inoperative when the temperature of electronic parts to constitute light-emitting elements and the lighting device exceeds a predetermined reference v...  
JP4596270B2  
JP2010272438A
To provide an LED lighting device used in a dangerous area preventing occurrence of an explosion accident regardless of its use in the dangerous area and improving maintainability.The LED lighting device 1 used in the dangerous area incl...  
JP2010272472A
To provide an LED lighting device in which stability of optical output and lifetime of an LED is attained by controlling excessive temperature rise in lighting the LED to a stable state, and when by any chance an abnormal temperature ris...  
JP2010244716A
To retain a signal indicating abnormality of a vehicular lighting fixture 21a by an inexpensive and simple circuit structure.The driving circuit for a lighting fixture which drives the vehicular lighting fixture 21a includes: a lighting ...  
JP4561593B2  
JP4554339B2  
JP2010186662A
To provide an illumination device to illuminate a zero-grade hazardous place for a vessel.Through-holes 17 are bored in a deck 16 which separates the zero-grade hazardous place and a second-grade hazardous place. An optical fiber 21 is i...  
JP4530316B2  
JP2010182529A
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 ...  
JP3162087U
[Subject] Distance of an inside of a hull and the exterior is increased, and explosion protection type light implement structure which can improve safety sharply is provided. [Means for Solution] Explosion protection type light implement...  
JP2010177119A
To provide a high-pressure discharge lamp device, capable of appropriately inhibiting the generation of starting pulses of high voltage and power supply with a simple structure, not only at the opening an operation opening part, but also...  
JP4511082B2  
JP2010153345A
To provide an LED illumination device in which current flowing in the LED can be made to have a prescribed current value even if a resistor or a constant current circuit is not connected. The LED illumination device A is equipped with a ...  
JP3160416U
[Subject] Lamina-tecti structure of a support opening which fixes a monitor which supervises fault of a lighting is provided. [Means for Solution] As a structure of a lamina tecti of an opening of a lighting support, the LED has fixed to...  
JP2010135257A
To provide a detection device of road illumination lamp failure capable of reducing time and cost from the time of confirmation of the failure of the road illumination lamp until restoration. In the device of road illumination lamp failu...  
JP4484550B2  
JP2010129612A
To provide a lighting device capable of preventing an LED from being broken in case of a short-circuit fault occurring to the LED. The lighting device including a DE/DC converter 2 which controls a current to be supplied from a DC power ...  
JP2010118267A
To provide an illuminating light source capable of enhancing safety in case a globe drops from a case.The illuminating light source is provided with a light-emitting part 3 and a lighting circuit 5 supplying power to the light-emitting p...  
JP2010114060A
To eliminate flaw of a high-power LED radiator, and provide an LED lighting fixture equipped with a more efficient heat dissipation structure which includes a beautiful outer shape and high practical value.The radiator 14 includes a heat...  
JP2010514108A
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...  
JP3158970U
[Subject] A lamp in which fuse replacement is possible is provided. [Means for Solution] A lamp in which fuse replacement is possible is provided with condensing cover 3 which combines on lamp stand 1 provided with light source 2, and la...  
JP4451883B2  
JP4448032B2  
JP2010067885A
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 inc...  
JP4432805B2  
JP4432804B2  
JP2010040222A
To provide a lighting system 11 capable of reliably preventing the temperature of an LED 22 from rising excessively.The lighting system includes a heat-radiating fan 15 for radiating heat generated from the LED 22. The lighting system in...  
JP4412898B2  
JP2010027877A
To provide an electric apparatus that prevents a user from erroneously recognizing the vapor gas of an electrolyte as smoking by suppressing blowing out of the gas from an apparatus case to the outside in the last stage of service life o...  
JP2010015999A
To provide a portable lamp which can be tensioned without necessity of much labor.The lamp includes a folding screen which is at least partially provided with a reflective layer, and at least one mobile tensioning means for stretching th...  
JP2010010104A
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...  
JP2010003580A
To solve the problem that since a connecting member used in an LED bulb is made of a synthetic resin, it electrically insulates between an enclosure member and a base, but when a lighting circuit in the enclosure member ignites, the conn...  
JP2010003631A
To provide an illumination lighting device capable of preventing various problems caused when an electron block receives "drop" and "abnormal vibration (earthquake, transportation)", and of terminating the electron block safely and ratio...  
JP2009545115A
Device 1 is provided with electric elements 11 and 21 which receive an electric supply signal in electric supply mode, and do not receive an electric supply signal in the mode in which electric power is not supplied, and circuits 12 and ...  
JP2009279583A
To provide a lamp system for automatically tracking the end of the service life of a lamp assembly, the lamp assembly and a method for operating the lamp system.The lamp system (30) comprises a lamp head (10) and the lamp assembly (24). ...  
JP2009283407A
To provide a lighting fixture can surely shut off current at the time of exchanging a light source.A switch 25 becomes at an ON state since a pushing section 34 arranged on a cover member 30 pushes the switch 25 in case that the cover me...  
JP2009541950A
The embodiment of the present invention proposes a luminescent device. This luminescent device contains the conversion substance (15) from which the beam emitted from the source of a beam (5) to which the beam of the 1st wave is emitted,...  

Matches 601 - 650 out of 2,179