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Patent Searching and Data


Matches 551 - 600 out of 2,165

Document Document Title
JP2012201272A
To provide a marker lamp lighting device capable of forcibly lighting a marker lamp when normal lighting control of the marker lamp cannot be performed.A lighting power source from a lighting power circuit 21 is supplied to the marker la...  
JP2012204204A
To provide a marker lamp lighting device capable of compulsorily lighting off a maker lamp when normal lighting of the marker lamp cannot be controlled.By a blocking action of blocking means 33, supply of a lighting power source to a mar...  
JP5041945B2  
JP2012185966A
To provide a light source unit equipped with a safety switch, which turns on the unit as it is mounted on a lighting fixture by being pressed toward a fixture body, and turns it off when a voltage fed from a DC power supply circuit goes ...  
JP2012146425A
To enable an LED lighting fixture to efficiently radiate heat even without providing a large heat sink.In the LED lighting fixture provided with a base kind, an LED for a light source, a radiator, and a circuit board having an LED power ...  
JP2012124059A
To provide a lighting fixture in which a fixing component for fixing an installation spring does not project to the outside of a fixture body and the spring performance of the installation spring does not deteriorate, and which can be in...  
JP2012124145A
To provide a base set for light-emitting diode lamps, a socket set for the light-emitting diode lamps, and a lamp fixture using them, which can basically prevent problems including life shortening caused by flow of wrong current to the l...  
JP4946737B2  
JP4938188B2  
JP2012094451A
To provide a compact-type lamp and a lighting fixture capable of reducing breakage through alleviation of stress of a fuse.The compact-type lamp is provided with a light-emitting part 2, a lighting circuit 4 having a circuit board 4a wit...  
JP4925299B2  
JP2012079517A
To provide an illumination system and an illumination method capable of detecting an abnormal of a light source device without reduction of emission efficiency and increase in the size of the light source device.An illumination system 1 ...  
JP2012079556A
To provide a sealed structure container capable of reducing thickness in the vicinity of a window and the number of fixing screws and reducing cost and facilitating assembling work, while raising freedom of design and miniaturization.The...  
JP2012079657A
To provide a planar light source device in which breakage or slippage of arrangement position of point light sources are prevented even when the point light sources mounted on a light source substrate receive a stress from the outside, a...  
JP2012069325A
To provide a rotation-preventive member for a direct-mount lighting fixture capable of restraining a load applied to a wall surface or the like at a low level at the time of mounting on the wall surface and preventing rotation of a light...  
JP4899651B2  
JP2012038471A
To prevent an electric shock accident occurring as a socket in which a plug is not fitted among a plurality of sockets is touched with a hand by mistake.A discharge lamp lighting device 8 includes the plurality of sockets which are attac...  
JP2012038598A
To provide a lighting device capable of surely preventing an operation of an explosion-proof valve of an aluminum electrolytic capacitor used for a long period at low cost and preventing generation of displeased feeling in advance.The li...  
JP4882846B2  
JP2012504305A
The present invention relates to an explosion-proof LED lamp, wherein an LED lamp is adopted so that the casing becomes light and compact and the manufacturing cost is reduced, and in addition to straightforward handling, the LED lamp an...  
JP4876452B2  
JP2012022892A
To provide a bulb type lamp in which even when the lamp is used in a temperature environment of an assumption temperature or more, breakage of a built-in lighting circuit is prevented, and the lamp is turned off to attract the user's att...  
JP4858330B2  
JP2012004024A
To provide an LED lighting device 1000 in which heat generated from an LED 211 is heat conducted efficiently to a radiation member and light output characteristics generated from the LED 211 are improved in a board 214 mounted with the L...  
JP2011210552A
To provide a light source device capable of attaining improvement of lighting startability of a main light source and suitable display of abnormal conditions in a simple structure.The light source device 2 includes the main light source ...  
JP2011204658A
To provide a screwed-in lamp socket for low-temperature use which can attain a highly-sensitive storage and connection structure capable of quickly performing circuit-breaking and protection by a thermal protector in the middle of temper...  
JP2011181256A
To provide a lamp with a built-in lighting device, enabling to accurately cut off the lighting device when a heating circuit component of the device abnormally heats while promoting the downsizing of the lighting device.The lamp 1 includ...  
JP4767445B2  
JP2011171167A
To prevent exploded pieces from scattering in a device cabinet and causing a significant damage, even if a lamp explodes, and to reliably cool a discharge lamp inside a reflector with a very simple structure.A lamp unit (6) includes an o...  
JP4741640B2
An illumination device for backlighting an image reproduction device containing light valves, the illumination device including a plurality of luminous spots arranged in grid format on a flat thermally conductive carrier. Each luminous s...  
JP4720539B2  
JP2011113849A
To provide an LED lighting system capable of suppressing fire spreading of a reflecting plate during failure or the like.The lighting system 100 having a light emitting diode 41 as a light source includes: a substrate 40 at which a plura...  
JP2011086602A
To provide an LED integrated fitting lamp having a large capacity for an LED lamp.The LED integrated fitting lamp 1 constituted of more than one to a plurality of LED lamps 3 mounted in a translucent outer cylinder 2, and is equipped wit...  
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 ...  

Matches 551 - 600 out of 2,165