Patent application number | Description | Published |
20100014287 | ILLUMINATING DEVICE WITH HEAT DISSIPATING ELEMENT - An exemplary illuminating device includes a circuit board, a plurality of light sources, a thermal interface material, and a plurality of stretched resilient elements. The circuit board has a first surface and a second surface at an opposite side of the circuit board to the first surface. The plurality of light sources is electrically mounted on the first surface of the circuit board. The heat dissipating device is attached on the second surface of the circuit board. The thermal interface material is applied between the second surface of the circuit board and the heat dissipating device. The plurality of resilient elements are configured for connecting the circuit board with the heat dissipating device and providing a pulling force therebetween. | 01-21-2010 |
20100117113 | LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE HAVING SAME - An exemplary light emitting diode includes a substrate, a metal material and a light emitting diode chip. The substrate has a first surface and a first through hole defined in the first surface. The first through hole is filled with the metal material. The light emitting diode chip is mounted on the first surface contacting the metal material in the first through hole. | 05-13-2010 |
20100147382 | PORTABLE SOLAR POWER GENERATOR WITH INTERNAL LIGHT GUIDE ELEMENT - An exemplary portable solar power generator includes a hollow light pervious housing, a light guide element, a condensing lens, a solar cell unit, and a connector assembly. The housing has a first refractive index, and sunlight enters the housing by passing through an outer surface thereof. The light guide element is positioned in and attached to the housing, which has a second refractive index larger than the first refractive index. The condensing lens is positioned in the housing, which is configured for converging the light incident thereon. The solar cell unit is positioned in the light pervious housing and located at a side of the condensing lens opposite to the light guide element. The solar cell unit is configured for receiving the light converged by the condensing lens and converting the received sunlight into electrical energy. The connector assembly is electrically coupled to the solar cell unit. | 06-17-2010 |
20100151122 | METHOD FOR FORMING PHOSPHOR COATING - An exemplary method for forming phosphor coating includes: providing a substrate; forming a first hydrophilic film on the substrate, the first film being soluble in water; forming a second lipophilic film on the first film, the second film comprised of a phosphor material; submerging the substrate having the first film and the second film formed thereon into water, so that the first film is dissolved in water and the second film is floated on surface of the water; and dipping a light source into the second film to forming a phosphor coating on the light source. | 06-17-2010 |
20100163097 | SOLAR CELL MODULE WITH CONCAVITY SURFACE - An exemplary solar cell module includes a main body, a number of solar cells, and a reflective layer. The main body defines a concavity surface defined thereon. The solar cells are positioned at the concavity surface and generally symmetrically arranged with respect to a central axis of the concavity surface, configured for converting sunlight to electricity. The reflective layer is positioned on the concavity surface, with the solar cells exposed to an exterior of the main body corresponding to the concavity surface. | 07-01-2010 |
20100290223 | LIGHT SOURCE HOLDER AND BULB USING SAME - A light source holder includes a spherical surface and a number of recessed portions. The recessed portions are defined in the spherical surface and arranged substantially evenly over the spherical surface. Each of the recessed portions comprises a plurality of inner surfaces. The inner surface of each recessed portion comprises a bottom surface and a lateral reflective surface. The bottom surface is capable of having a solid-state light source arranged thereon. The lateral reflective surface is adjacent to the bottom surface and configured for reflecting light emitted from the solid-state light source and outputting the light from the recessed portion. | 11-18-2010 |
20100327750 | LED ILLUMINATING APPARATUS - An LED illuminating apparatus includes a lampshade, a cover engaged with the lampshade, a heat dissipation module received in a hollow tube cooperatively formed by the engaged lampshade and cover, a light source engaged on the heat dissipation module, and two connectors secured at opposite ends of the lampshade and the cover. The lampshade defines a plurality of vents therein. The light source faces the cover and light emitted from the light source radiates out of the LED illuminating apparatus through the cover. | 12-30-2010 |
20110247684 | SOLAR CELL - A solar cell includes a base, a substrate, a number of solar chips and a light pervious cover. The substrate is received in the base, the solar chips are electrically mounted on the substrate. The light pervious cover covers the solar chips in the base. The light pervious cover includes a number of light converging portions corresponding to the solar chips and a number of extending portions aligned with the respective light converging portions. Each extending portion is engaged with a corresponding solar chip. | 10-13-2011 |
20110291542 | LED BULB - An LED bulb includes a connector for electrically connecting with a power supply, a heat sink disposed on the connector, and a plurality of LEDs mounted the heat sink. The heat sink includes a base, a tube extending downwardly from a first face of the base, and a plurality of fins extending outwardly from an outer circumference of the tube. The LEDs are attached on a second face of the base. The base defines a plurality of through tunnels extending through the base from the first face to the second face of the base. | 12-01-2011 |
20120037936 | LED PACKAGE - A LED package includes a substrate, at least one LED chip, a transparent adhesive and a lens. The at least one LED chip is mounted on the substrate. The transparent adhesive is filled between the LED chip and the lens. A number of through holes is regularly defined in an optical non-effective portion of the lens. The through holes are configured for increasing the air convection between inside and outside of the lens. | 02-16-2012 |
20120038260 | LAMP ENVELOPE AND LED LAMP USING THE SAME - An LED lamp includes a lamp holder, a heat sink, a light source and an envelope. The lamp holder is configured for electrically connecting with a power source. The heat sink is connected to the lamp holder. The light source is mounted on the heat sink. The envelope is mounted on the heat sink and covers the light source. The envelope has a light incident surface and a light output surface opposite to the light incident surface. A plurality of lens are formed on the lamp envelope and configured for collecting light rays generated by the light source. | 02-16-2012 |
20120038271 | LED BULB AND METHOD FOR MANUFACTURING THE SAME - An LED bulb includes a heat sink, a circuit, an LED, and a driving module. The heat sink includes a base, a tube extending downwardly from a first face of the base, and a plurality of fins extending outwardly from an outer circumference of the tube. The circuit is formed on a second face of the base, and the LED is disposed on the second face of the base and electrically connected with the circuit. The LED bulb further includes a first lead and a second lead electrically connecting with the circuit and extending through the base. The driving module includes a first electrode, and a second electrode electrically insulated from the first electrode and surrounding the first electrode. The first electrode of the driving circuit contacts with the first lead, and the second electrode of the driving circuit contacts with the second lead. | 02-16-2012 |
20120073626 | LIGHT CONCENTRATOR ASSEMBLY AND SOLAR CELL APPARATUS HAVING SAME - A light concentrator assembly includes a first Fresnel lens, a second Fresnel lens, and a compound parabolic concentrator. The first Fresnel lens includes a first flat surface and an opposite first Fresnel lens surface. The second Fresnel lens includes a second flat surface and an opposite second Fresnel lens surface facing the first Fresnel lens surface. A first focal point of the first Fresnel lens and a second focal point of the second Fresnel lens coincide. The compound parabolic concentrator is located opposite the second flat surface. Light beams are converged by the first and second Fresnel lenses, and exit through the compound parabolic concentrator. | 03-29-2012 |
20120073653 | LIGHT CONCENTRATION ELEMENT ASSEMBLY AND SOLAR CELL APPARATUS HAVING SAME - A light concentration element assembly includes a Fresnel lens unit and a compound parabolic concentrator. The Fresnel lens unit includes a first Fresnel lens and a second Fresnel lens arranged parallel with each other, and configured for converging light transmitted therethrough. The compound parabolic concentrator includes at least two paraboloidal reflecting surfaces. The parabolic concentrator includes a light incident opening facing the Fresnel lens unit and a light output opening, and the paraboloidal reflecting surfaces are configured for reflecting the converged light from the Fresnel lens unit and outputting the reflected light through the light output opening. A solar cell apparatus using the light concentration element assembly is provided. | 03-29-2012 |
20120085389 | LIGHT CONCENTRATOR ASSEMBLY AND SOLAR CELL APPARATUS HAVING SAME - A light concentrator assembly includes a Fresnel lens, a plano-concave lens, and a CPC. The CPC is aligned with the Fresnel lens and the plano-concave lens. The Fresnel lens unit is configured for converging parallel light transmitted the Fresnel lens. The plano-concave lens is configured for further concentrating the light from the Fresnel lens before the light converged at a point. The CPC is configured for reflecting and directing the light beams from the plano-concave lens to exit through a light output opening of the CPC. The light concentrator assembly has a large incident acceptance angle. | 04-12-2012 |
20130126714 | LIGHT ENERGY TESTING DEVICE - A light energy testing device includes a light source emitting parallel light, a Fresnel lens concentrating the parallel light, a fiber array consisting of a plurality of optical fibers, and an energy detecting device. Each fiber includes a light incident and emitting surface. The light incident surfaces are coplanar to define a light receiving surface. The light emitting surfaces cooperatively define a light transmitting surface. The energy detecting device includes a plurality of sensor units optically coupled with the light transmitting surface and a testing device connected to the sensor units. The parallel light is focused by the Fresnel lens to irradiate the light receiving surface. The sensor units generate energy signals according to the light from the light transmitting surface. The energy detecting device calculates a light energy distribution according to the energy signals. | 05-23-2013 |
20130128596 | LED BULB - An LED bulb includes a connector for electrically connecting with a power supply, a heat sink disposed on the connector, and an LED mounted the heat sink. The heat sink has a first face and a second face opposite to the first face. The LED is attached on a first face of the base. The heat sink defines a plurality of through tunnels extending through the heat sink from the first face to the second face thereof. | 05-23-2013 |