| NEC LIGHTING, LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110222276 | ILLUMINATING DEVICE AND ILLUMINATING UNIT INCLUDING A PLURALITY OF THE SAME ILLUMINATING DEVICES - In an illuminating device that includes a cold cathode fluorescent lamp, and a device main body on which the cold cathode fluorescent lamp is disposed, cable connectors to which a power supply cable for supplying an electric power to the illuminating device is connected are provided on a first side surface of the device main body and a second side surface that is opposite to the first side surface. | 09-15-2011 |
| 20110205739 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting element (LEE) on a mounting board, a metal reflector surrounding the side surfaces of the LEE on the mounting board, a conductor electrically connecting the LEE with the mounting board, and a sealing resin fitted within the reflector to cover and seal the LEE and the conductor. The mounting board includes a metal baseboard, and an insulating board laminated on the base board with a window hole larger than the outer periphery of the LEE. A mount for the LEE is on the base board within the window hole with a clearance defined from window hole side surfaces. The conductor straddles the clearance, and electrically connects the wiring pattern on the insulating board with the LEE and mount. Part of the clearance associated with the area that projects from the conductor to the mounting board is narrower than the remainder. | 08-25-2011 |
| 20110182083 | ILLUMINATING DEVICE - An illuminating device according to the present invention includes light guide plate | 07-28-2011 |
| 20110181177 | FLUORESCENT LAMP ELECTRODE, METHOD FOR PRODUCING SAME, AND A FLUORESCENT LAMP - Provided is a fluorescent lamp electrode, having excellent sputtering resistance and able to retain excellent dark-start characteristics over a long period of time when used as an electrode in a cold cathode fluorescent lamp, and which can be produced inexpensively. A fluorescent lamp of this invention has a prolonged life resulting from the use of said electrode. Said electrode is made by dispersing in a nickel or nickel alloy base one or more rare earth metals selected from among lanthanum, cerium, yttrium, samarium, praseodymium, niobium, europium and gadolinium in the form of a precipitated boride phase. | 07-28-2011 |
| 20110171872 | METHOD FOR MANUFACTURING AN EXTERNAL ELECTRODE FLUORESCENT LAMP - An external electrode fluorescent lamp includes a glass tube made of soft glass, and external electrodes affixed to outer surfaces of both ends of the glass tube. The fluorescent lamp further includes a joining material applied between at least the glass tube and the external electrodes for affixing the external electrodes, which are made up of a material having a thermal expansion coefficient that is larger than that of the glass tube. According to the manufacturing method of the fluorescent lamp, first, the external electrodes are attached to the outer surface of each end of the glass tube, the external electrodes are then immersed in fused solder, and finally, the glass tube is cooled to room temperature. In this manner, the external electrodes are affixed to the outer surface of the glass tube via soldering. | 07-14-2011 |
| 20110052857 | ORGANIC EL LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE ORGANIC EL LIGHT-EMITTING DEVICE - This invention provides an organic EL light-emitting device, which can prevent the occurrence of brightness unevenness due to resistance of a transparent electrode, in a large surface light-emitting panel of an organic EL element. | 03-03-2011 |
| 20100277058 | COLD CATHODE FLUORESCENT LAMP - There is provided a cold cathode fluorescent lamp that has excellent sputtering resistance and long life, even if high tube current is applied, and can be easily manufactured at low cost. In a cold cathode fluorescent lamp comprising a transparent tube having a fluorescent layer provided on an inner wall surface, containing a rare gas and mercury inside, and having both ends enclosed by sealing members, electrodes provided near both ends inside the transparent tube, and lead wires connected to the electrodes and provided through the sealing members, the electrode contains nickel as a main component and contains cerium metal or cerium oxide. | 11-04-2010 |
| 20100264729 | POWER SUPPLY CIRCUIT AND LIGHTING SYSTEM - [Problems to be Solved] In technology for identifying the position of an indoor terminal with high accuracy, the cost for installing a transmitter is high for the introduction of the position identifying technique which uses a transmitter to send a weak electric wave such as in Bluetooth, RFID, and the like, or an emitter to emit an infrared ray. | 10-21-2010 |
| 20100044741 | LIGHTING DEVICE - A fighting device of the present invention includes light emitting unit | 02-25-2010 |
| 20090309112 | Yellow-Emitting Phosphor and White Light Emitting Device Using the Same - A novel yellow-emitting phosphor is represented by the general formula: Ca | 12-17-2009 |
| 20090303728 | LIGHT EMITTING DEVICE - A light emitting device comprises a light emitting element disposed within a space surrounded by a reflective surface of a reflector disposed on a board. A lower portion of the reflector is placed within a recess formed in the board, and a side wall of the recess is interposed between the lower end of the reflective surface of the reflector and the light emitting element. | 12-10-2009 |
| 20090302340 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting element (LEE) on a mounting board, a metal reflector surrounding the side surfaces of the LEE on the mounting board, a conductor electrically connecting the LEE with the mounting board, and a sealing resin fitted within the reflector to cover and seal the LEE and the conductor. The mounting board includes a metal baseboard, and an insulating board laminated on the base board with a window hole larger than the outer periphery of the LEE. A mount for the LEE is on the base board within the window hole with a clearance defined from window hole side surfaces. The conductor straddles the clearance, and electrically connects the wiring pattern on the insulating board with the LEE and mount. Part of the clearance associated with the area that projects from the conductor to the mounting board is narrower than the remainder. | 12-10-2009 |
| 20090273000 | Light emitting device and method of manufacturing same - A light emitting device according to the present invention comprises board | 11-05-2009 |
| 20090268470 | LED LAMP - A reduced size LED lamp includes: a cap of the type GX53 that meets IEC standards; a substrate attached to the cap, which an LED is mounted on; and a light emitting surface cover case attached to the cap so as to cover the substrate. | 10-29-2009 |
| 20090267478 | EXTERNAL ELECTRODE FLUORESCENT LAMP AND MANUFACTURING METHOD OF THE SAME - An external electrode fluorescent lamp includes a glass tube made of soft glass, and external electrodes affixed to outer surfaces of both ends of the glass tube. The fluorescent lamp further includes a joining material applied between at least the glass tube and the external electrodes for affixing the external electrodes, which are made up of a material having a thermal expansion coefficient that is larger than that of the glass tube. According to the manufacturing method of the fluorescent lamp, first, the external electrodes are attached to the outer surface of each end of the glass tube, the external electrodes are then immersed in fused solder, and finally, the glass tube is cooled to room temperature. In this manner, the external electrodes are affixed to the outer surface of the glass tube via soldering. | 10-29-2009 |
| 20090218928 | ELECTRODE, METHOD FOR PRODUCING ELECTRODE, AND COLD-CATHODE FLUORESCENT LAMP - Cylindrical electrodes ( | 09-03-2009 |
| 20090190326 | LED ILLUMINATION APPARATUS - The present invention aims to realize a technique to make precise chromaticity changes over a wide range in an LED illumination apparatus based on a white LED light, and comprises a first LED; a package for accommodating said first LED; a transparent medium for filling said package, said transparent medium containing a fluorophore which generates a white light when said first LED emits light; and a plurality of LEDs, wherein said first LED and the plurality of LEDs respectively have different dominant wavelengths. | 07-30-2009 |
| 20090184330 | LIGHT-EMITTING MODULE INCLUDING SUBSTRATE WITH SPACE FORMED AROUND RIM - A light-emitting module includes a light-emitting element, a substrate on which are mounted the light-emitting element and heat dissipater. The substrate and heat dissipater are connected together by one mounting member and a space is formed around the rim of the substrate. | 07-23-2009 |
| 20090052189 | LED SPOTLIGHT - An LED spotlight includes: a light source unit including an RGB-LED light source composed of R, G and B LEDs, and a condenser lens for condensing light beams of mixed color projected from the RGB-LED light source on an entrance end face of a rod lens; a pyramid rod lens whose cross-sectional area converges from an entrance end face to an exit end face; and a reflector for condensing rays of exiting light exiting as a point light source from the exit face of the pyramid rod lens on an axial line of the pyramid rod lens. A light beam incident on the pyramid rod lens progresses while repeatedly internally reflected several times, thereby brightness irregularity at the exit end of the rod lens is lowered, and color mixture is accelerated, so that a light beam is emitted as a point light source of white light whose color is observed as the same color, seen from any direction, and the light beams are condensed as a spotlight on the axial line of the pyramid rod lens by the reflector. | 02-26-2009 |
| 20090051262 | FLUORESCENT SUBSTANCE AND LIGHT EMITTING DEVICE USING THE SAME - A fluorescent substance capable of remarkably increasing the luminous intensity of a I-III-VI | 02-26-2009 |
| 20090001406 | Light-emitting device and method for fabricating same - An LED chip is mounted on a submount, and submount electrodes are formed to constitute a submount member. A light-emitting unit is configured by mounting the submount member on a flat substrate. A lead frame member having a lead frame electrode is configured using a lead frame and a resin mold. A light-emitting device is obtained by overlapping the light-emitting unit and the lead frame member, so that the electrodes contact each other. There is accordingly obtained a light-emitting device that is highly reliable with respect to vibration, shock, and other external forces; that efficiently dissipates generated heat; and that is readily fabricated; and a method for fabricating same. | 01-01-2009 |
| 20080266855 | LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE ASSEMBLY - A light emitting device ( | 10-30-2008 |
| 20080253120 | LIGHT-EMITTING DEVICE WITH POWER SUPPLY STRUCTURE - A light-emitting device of the present invention comprises a plurality of light emitting elements, a lead frame on which the light emitting elements are mounted and which supplies electric power to the light emitting elements, and a mold part which not only forms a plurality of light emitting parts from which the light emitting elements are exposed, but also covers the lead frame. In addition, a part of the lead frame is exposed from the mold part as a terminal for supplying power which a harness is connected, and, a portion which corresponds to the terminal for supplying power in the lead frame becomes thicker than other portions. | 10-16-2008 |
| 20080232084 | WHITE LIGHT SOURCE DEVICE - Light beams emitted from a blue LED light source of a light source unit are condensed by a condenser lens to enter an entrance end face of a rod lens, and the light beams progress through while being repeatedly reflected several times inside the rod lens. Accordingly, the unevenness of brightness is reduced, and the light enters an fluorescent material sheet bonded to an exit end of the rod lens from the exit end as blue light which is uniformed in illuminance, and white light whose color is seen as the same color viewed in any direction of the fluorescent material sheet is emitted from the fluorescent material sheet. | 09-25-2008 |
| 20080213094 | CEILING FAN WITH ROTARY BLADE SURFACE LIGHT - In a ceiling fan having a blade surface light, an annular blade surface light including a plurality of LEDs that are light emitters that are continuously placed is secured on a circumference that connects sides near tips of a plurality of rotary blades of the ceiling fan, and the light emitters are lit by a lighting controller only when they are in a predetermined range on a rotation reference circumference. LED devices housing the LEDs that are the light emitters and that are provided with cooling fins are housed in an annular LED case, and the LED case is secured to the rotary blades. Thus, the LEDs radiate heat from the cooling fins provided in the LED devices by rotation of the rotary blades, and they are intermittently lit and extinguished to prevent a temperature increase. The LEDs only in the predetermined range are lit, thereby preventing any uncomfortable feeling when LEDs are caused to flash. | 09-04-2008 |
| 20080211388 | LIGHT EMITTING SEMICONDUCTOR DEVICE - A light emitting semiconductor device includes: a package; a light emitting device; a reflection member; and a light transmissive fluorescent material layer. The package has a bowl-like recess, and the light emitting device is placed at the center of the recess. The reflection member is provided on an inclined surface of the package surrounding the light emitting device and has a fluorescent material layer. The light transmissive fluorescent material layer is provided to face the light emitting device inside the inclined surface. | 09-04-2008 |
| 20080197776 | HOT-CATHODE FLUORESCENT LAMP - A hot-cathode fluorescent lamp has an arc tube on whose inside surface a phosphor film is formed, and in both ends of which stems are formed, and has bases having tube pins connected to an external power supply and fixed to both end portions of the above-mentioned arc tube. The hot-cathode fluorescent lamp is equipped with pairs of metal lead wires which are provided in both ends of the arc tube, one ends of which are connected to tube pins, and the other ends of which are extended inside the arc tube through the stem, a filament both ends of which are connected to the other ends of respective lead wires, and a screening member which has a ring portion surrounding the filament and which has a bottom face plate provided in a side of the ring portion which side opposites to the stem so as to screen the stem from the filament. | 08-21-2008 |
