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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8172423 | Illumination apparatus An illumination apparatus includes a light source unit having solid light-emitting elements and a sensor unit having a wave transmission portion for transmitting energy waves of specified frequency and a wave reception portion for receiving the energy waves reflecte... | 05/08/2012 |
| 8157410 | Light unit and display apparatus having the light unit A light unit and a display apparatus having the light unit are provided. The light unit comprises a light emitting parts comprising one or more light emitting diodes and an middle optical panel on the light emitting parts comprising a top surface with one or more le... | 04/17/2012 |
| 8104923 | Light-emitting apparatus The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); ... | 01/31/2012 |
| 8100553 | LED illumination module with large light emitting angle An LED illumination module comprises a plurality of supporters each comprising a bottom plate and a lateral plate extending upwardly and slantwise from the bottom plate, an LED mounted on an outer surface of each of the lateral plates of the supporters, and a lens c... | 01/24/2012 |
| 8079731 | Lighting apparatus A lighting apparatus is provided including an array of light emitting diodes (LEDs) disposed on a base. The base is configured to move heat away from the array of LEDs to other portions of the base and further to the atmosphere or an adjacent housing. In one embodim... | 12/20/2011 |
| 8079730 | Light source with variable radiation characteristic An array of light-emitting diodes in LED chips, which can be turned on and off individually or in groups by means of a circuit, is provided with a device for homogenizing a light beam emitted by the turned-on LED chips. This device can be a conversion plate, a potti... | 12/20/2011 |
| 8047679 | LED lamp with 360-degree illumination A LED lamp with 360-degree illumination includes a base, a first substrate, a stepped structure, a plurality of LEDs, and a cover. The first substrate is fixed on the base. The stepped structure is mounted on the first substrate. The stepped structure has a first an... | 11/01/2011 |
| 8021016 | Light source mounting system and method A mounting system and method for a light source includes a light source support structure. The light source support structure positions the light source with respect to a source of electrical power which, when connected to the light source, will cause the light sour... | 09/20/2011 |
| 8016452 | Advertising displays Exemplary embodiments comprise static and dynamic advertising displays where the backlight is provided by any one of the following: LED's, organic light emitting diodes (OLED), field emitting display (FED), light emitting polymer (LEP), and organic electro-luminesce... | 09/13/2011 |
| 8007126 | Light housing including camera A housing including a plurality of light emitting elements respectively positioned within plurality of discrete housing modules, each housing module forming an inside chamber and being disposed on a perimeter of the housing along a horizontal plane directed outwardl... | 08/30/2011 |
| 7976185 | Light emitting diode lamp tube A light emitting diode (LED) lamp tube includes a lamp device including a circuit board, and a plurality of LEDs mounted on the circuit board. The circuit board is disposed in a tubular enclosure such that an inner peripheral surface of the enclosure is divided into... | 07/12/2011 |
| 7963674 | Light emitting diode package having flexible PCT directly connected to light source A light emitting diode package comprising a substrate electrically connectable to an external unit with a reduced height. A flexible PCB for electrical connection between a light emitting diode and the external unit is directly connected to a light emitting element.... | 06/21/2011 |
| 7959325 | Solid state lighting units and methods of forming solid state lighting units A solid state lighting unit includes a plurality of solid state lighting tiles including a planar surface and a plurality of solid state light sources on the planar surface. The lighting unit includes a plurality of bar support members. Respective ones of the bar su... | 06/14/2011 |
| 7942547 | Light emitting device and electronic apparatus A light emitting device includes a plurality of light emitting elements aligned along a reference line, a plurality of lenses that collects light emitted from the plurality of light emitting elements, and a drive circuit that allows either a first light emitting ele... | 05/17/2011 |
| 7926975 | Light distribution using a light emitting diode assembly A fluorescent light tube retrofit with light emitting diodes (LEDs) that evenly distribute light to avoid bright spots is disclosed. One LED lighting unit includes a tubular housing and a plurality of LED assemblies mounted about a circumference of the tubular housi... | 04/19/2011 |
| 7918583 | Illumination devices Lighting devices are provided for efficiently distributing light over an area to provided uniform illumination over a wide angle or other tailored illumination patterns. Each light device has at least one light source, at least one collimator for partially collimati... | 04/05/2011 |
| 7887218 | LED illuminating device A LED illuminating device includes an illuminating unit and a shell having a top side and chamber. The illuminating unit includes a PCB supported by the shell and one or more LED modules electrically and spacedly mounted on the PCB disposed in the chamber. Each of t... | 02/15/2011 |
| 7883232 | Light-emitting diode backlight assembly and liquid crystal display device using the same An LCD device includes an LED backlight assembly, a liquid crystal display panel over the LED backlight assembly, a bottom cover covering a rear side of the LED backlight assembly, a reflecting sheet on an inner side of the bottom cover, the reflecting sheet having ... | 02/08/2011 |
| 7845829 | Enclosures for LED circuit boards An enclosure for an LED circuit board is manufactured from a flame resistant material and includes LED apertures through which LEDs mounted on an LED circuit board may pass. The enclosure is designed to be positioned on the LED circuit board so that, when so positio... | 12/07/2010 |
| 7832898 | Environmentally friendly street lamps The present invention relates to a LED street lamp, and more particularly to environmentally friendly LED street lamp. The LED street lamp comprises a main body and a plurality of LED bulbs, wherein the main body comprises a base plate; said base plate comprises two... | 11/16/2010 |
| 7832896 | LED light engine A light engine comprises a plurality of LEDs and a plurality of optical elements each cooperating with a respective LED. The optical elements broaden the off-axis angle from the respective LEDs to provide a more uniform illumination at a target plane. ... | 11/16/2010 |
| 7819551 | Light source mounting system and method A mounting system and method for a light source includes a light source support structure. The light source support structure positions the light source with respect to a source of electrical power which, when connected to the light source, will cause the light sour... | 10/26/2010 |
| 7798672 | Sealed LED light fixture including dual layer glass sheet An illumination apparatus includes a lamp housing defining a cavity, a plurality of light emitting diodes disposed within the cavity, a first inner glass sheet for sealing the cavity, a second outer glass sheet, and a resilient layer formed between the glass sheets.... | 09/21/2010 |
| 7794108 | Multi-image presentation billboard A billboard (10) includes a substrate (11), a lens array (12) and at least one light source (13). A plurality of pattern units are provided at a first side of the substrate. Each of the pattern units includes a plurality of pattern cells ... | 09/14/2010 |
| 7794109 | Light source apparatus A light source apparatus comprises reflection mirrors, first and second lamp holding sections, wherein the reflection mirrors are provided between the first and second lamp holding section, a reflection mirror support plate to which reflection mirrors are attached, ... | 09/14/2010 |
| 7789529 | LED lighting units and assemblies with edge connectors An LED light unit includes a tile, a plurality of discrete LED light sources, and an edge connector. The LED light sources are on and dispersed across a major surface of the tile and are electrically connected to electrical pads along an edge region of the tile. The... | 09/07/2010 |
| 7740374 | Optical plate and backlight module using the same An exemplary optical plate includes one or more transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical depressions, a plurality of enclosing V-shaped protrusions, and one or more lamp-receiving ... | 06/22/2010 |
| 7736018 | Luminaire with main and accent light sources A luminaire contains a main light source the light of which is emitted by the luminaire, and an additional light source the light of which is mixed with the light of the main light source before the emission thereof. A part of the light issued by the additional ligh... | 06/15/2010 |
| 7677761 | Light-emitting diode stacked lighting core for lamp bulb A light-emitting diode stacked lighting core includes a core top board, a core bottom board, and vertical boards, all being circuit boards. The core top board and the vertical boards are provided with light-emitting diodes and the core bottom board is provided with ... | 03/16/2010 |
| 7674012 | LED lighting device capable of uniformly dissipating heat An LED lighting device with a heat dissipating structure is disclosed. The lighting device includes a lamp base coupled with a top cover to form an accommodating space for accommodating a first heat dissipating module and a second heat dissipating module. The first ... | 03/09/2010 |
| 7674010 | Light fixture having light emitting diode (LED) and resilient member A housing for a light fixture, and the light itself, is disclosed. The housing comprises an elongate body and a resilient member mountable in the body to retain at least one light emitting diode (LED) between the resilient member and the housing such that the or eac... | 03/09/2010 |
| 7665859 | Backlight assembly having fluorescent and LED light sources, and liquid crystal display device including the same A backlight assembly for a liquid crystal display device includes a plurality of first light sources at a first distance from an optical sheet, a plurality of second light sources at a second distance from the optical sheet, and a reflecting sheet disposed behind th... | 02/23/2010 |
| 7654688 | LED lamp with an improved heat sink A recessed LED lamp for being mounted in a wall or a ceiling, includes a housing (10), a printed circuit board (20) received in the housing, a plurality of LEDs (22) mounted on the printed circuit board, a casing (40) surrounding the hous... | 02/02/2010 |
| 7654690 | Lampshade for a light-emitting diode (LED) lamp An improved lampshade of an LED lamp, assembled onto the port of hold tank on the main body of LED lamp so that light-reflection modules located between port of hold tank and LED modules in the hold tank are positioned securely. The lampshade has a circumferential l... | 02/02/2010 |
| 7641361 | Light emitting diode lamp An example light emitting diode bulb assembly includes a base having a first end portion and a second end portion defining an axis, a plurality of first light emitting diodes secured adjacent a plurality of first base surfaces about the axis, and at least one second... | 01/05/2010 |
| 7635201 | Lamp bar having multiple LED light sources A lamp bar may include and/or involve multiple LED light sources linearly arranged along a length of the lamp bar. ... | 12/22/2009 |
| 7628513 | Led lamp structure An LED lamp structure includes a housing, a support, an LED light source, a light source driving circuit board, a lens, and a cover. The housing has a horn-like shape with a converged end and a flared end, wherein the flared end is formed with an accommodation chamb... | 12/08/2009 |
| 7621655 | LED lighting units and assemblies with edge connectors An LED light unit includes a tile, a plurality of discrete LED light sources, and an edge connector. The LED light sources are on and dispersed across a major surface of the tile and are electrically connected to electrical pads along an edge region of the tile. The... | 11/24/2009 |
| 7611261 | Decorating with a lighted device A decoration device may include a backlit panel inside an interior space of an ornament structure. The panel may include a decorative scene that is viewable from outside the ornament structure, and one or more light sources may be substantially aligned with certain ... | 11/03/2009 |
| 7607800 | Backlight unit and liquid crystal display with the same A backlight unit and a liquid crystal display device including such a backlight unit are provided. According to an embodiment, there is provided a backlight unit comprising a plurality of light emitting diodes (LEDs) for generating light, a printed circuit board (PC... | 10/27/2009 |
