Patent application number | Description | Published |
20100148984 | LED (LIGHT EMITTING DIODE) MODULE - An LED (Light Emitting Diode) module includes a base seat and a plurality of LEDs. The base seat includes a planar portion having a planar external surface and a straight portion connected interactively to the planar portion, and having a straight external surface. The plurality of LEDs includes a first LED mounted on the planar external surface of the planar portion to emit light rays in the facing in a vertical direction and a second LED mounted on the straight external surface of the straight portion to emit light rays in the horizontal direction. | 06-17-2010 |
20100208465 | LAMP ASSEMBLY AND HEAT DISSIPATING LAMPSHADE - A lamp assembly includes a bottom seat and a lampshade. The lampshade includes a lamp cover holding a light emitting element therein, and a connecting arm having a first end connected to the lamp cover and a second end connected pivotally to the bottom seat at a pivot point thereof. The lamp cover and the connecting arm are integrally formed with each other as one-piece unit. | 08-19-2010 |
20100295458 | AC LED MODULE WITH AN IMPROVED POWER FACTOR - An AC LED module with an improved power factor for coupling with an AC source includes a plurality of LED strings and a plurality of connecting-to-middle drive elements. The LED strings are coupled in parallel between two ends of the AC source, and each of the LED strings further includes a respective number of LEDs connected in series. The connecting-to-middle drive element assigned to a respective LED string has two connection point, one connected to one end of the AC source while another being connected with a middle point between two consecutive LEDs in the same LED string. | 11-25-2010 |
20100296275 | LAMP ASSEMBLY INCLUDING A LAMP DEVICE DETACHABLE FROM A STAND UNIT FOR SERVING AS A TORCH LIGHT - A lamp assembly includes a lamp device mounted detachably on a stand unit. The lamp device includes a lampshade for receiving a light emitting element. An electrical connector is coupled electrically to the light emitting element and a power source in such a manner that when the lamp device is mounted on the stand unit, the electrical connector is plugged into the power source so that the light emitting element is supplied with electricity by the power source. A storage battery module is coupled electrically to the electrical connector and the light emitting element so that when the lamp device is mounted on the stand unit, the storage battery module is charged by the power source via the electrical connector. When the lamp device is detached from the stand unit, the light emitting element is supplied with electricity by the storage battery module. | 11-25-2010 |
Patent application number | Description | Published |
20090140285 | LIGHT EMITTING DEVICE HAVING FUNCTION OF HEAT-DISSIPATION AND MANUFACTURING PROCESS FOR SUCH DEVICE - A light-emitting device of a light-emitting diode (LED) and a manufacture method thereof are provided. The light-emitting device includes a post-like metal material, a printed circuit board, conductors, insulators, light-emitting diodes, wires, and an encapsulating material. The light-emitting device has through holes, in which conductors are disposed and surrounded with the insulators. One end of each conductor is connected to the printed circuit board to form a composite structure heat-dissipation substrate. The light-emitting diodes are disposed on the post-like metal material, connected to the conductors via the wires, and encapsulated by the encapsulating material. Furthermore, the light-emitting diodes, the wires, and the encapsulating material can be combined into a light-emitting unit. Moreover, red, blue, and green light-emitting diodes can be combined and the color of output light thereof can be adjusted by controlling the input signal. | 06-04-2009 |
20090145473 | SOLAR PANEL CURTAIN - A solar panel curtain including a plurality of sunshield panels disposed in parallel, an electric energy storage device electrically connected to the sunshield panels, an orientation device connected to the sunshield panels and electrically connected to the electric energy storage device, and a switch device is provided. Each sunshield panel includes plural solar panels locked to each other. The electric energy storage device receives and stores the electric energy generated by the sunshield panels. The orientation device orients the sunshield panels, wherein power is supplied to the orientation device by the electric energy storage device or an external power source. The switch device is electrically connected to the orientation device for turning on or off the orientation device. The solar panel curtain may further include a photo detector device and a knob device such that the sunshield panels can be either automatically oriented or manually operated through the knob device. | 06-11-2009 |
20090251890 | LAMP TUBE AND DESK LAMP HAVING THE SAME - The present invention relates to a lamp tube suitable for a desk lamp. The lamp tube includes a lamp cover, a light-emitting module, a base, a power-storage element and a power transmission module. The lamp tube is half-cylindrical and has a inner surface and a containing recess. The inner surface is capable of being fixed with the light-emitting module and the containing recess is capable of containing the power-storage element. The power transmission module is electrically connected to the power-storage element and the light-emitting module to transmit the power in the power-storage element to the light-emitting module. The present invention is also relates to a desk lamp having the lamp tube. | 10-08-2009 |
20100118526 | LAMP - A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole. | 05-13-2010 |
20100259188 | AC LED MODULE WITH A CURRENT REGULATIVE DIODE - An AC LED module includes a substrate, a bridge rectifier unit a constant current unit and an LED chip set. The bridge rectifier unit mounted on the substrate further includes an output and an input coupled with an AC source. The constant current unit, mounted on the substrate and coupled with the output of the bridge rectifier unit, further includes at least one current regulative diode. The LED chip set mounted also on the substrate is electrically coupled with the constant current unit. | 10-14-2010 |
20120176713 | LIMITING CURRENT CIRCUIT THAT HAS OUTPUT SHORT CIRCUIT PROTECTION - A limiting current circuit that has output short circuit protection is connected to an external voltage source and comprises an output terminal, an input current unit, a driving transistor, a voltage control resistor, a voltage control transistor and a delay unit. The output terminal is connected to a load and has an output current. The driving transistor has an internal resistance, a drain current and a gate voltage. The voltage control resistor has a resistor voltage. The voltage control transistor has an internal resistance and a parasitic capacitance. The delay unit makes the resistor voltage charging the parasitic capacitance to extend the period of lower internal resistance of the voltage control transistor and the period of higher internal resistance of the driving transistor, makes the internal resistance of the voltage control transistor is less than the internal resistance of the driving transistor when the load is shorted. | 07-12-2012 |