Patent application number | Description | Published |
20090020781 | NITRIDE-BASED SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING SAME - An exemplary nitride-based semiconductor light emitting device includes a substrate, a nitride-based multi-layered structure epitaxially formed on the substrate, a first-type electrode and a second-type electrode. The multi-layered structure includes a first-type layer, an active layer, and a second-type layer. The multi-layered structure has a developed mesa structure which at least includes the second-type layer and the active layer and whereby the first-type layer is partially exposed to form an exposed portion. The mesa structure has a roughened top surface and a plurality of roughened side surfaces adjoining the top surface. A crystal growth orientation of the multi-layered structure intersects with <0001 > crystal orientation thereof. The first-type electrode and the second-type electrode respectively come into ohmic contact with the first-type layer and the second-type layer. | 01-22-2009 |
20090046470 | SURFACE MOUNT LIGHT EMITTING DIODE ASSEMBLY AND BACKLIGHT MODULE USING THE SAME - A surface mount LED assembly ( | 02-19-2009 |
20090047802 | LIGHT EMITTING DIODE BASED ILLUMINATION DEVICE - An illumination device using LEDs (101) has a circuit board and a plurality of LEDs disposed on the circuit board elements. The circuit board can be obtained by assembling a plurality of the circuit board elements (11) together. The circuit board element comprises a board (110) and an electric trace (1151) attached to the board. The board comprises a plurality of connecting units (111, 112, 113, 114) formed at lateral sides thereof. The circuit board element connects with an adjacent circuit board element via the connecting units. The electric trace extends from the board to the connecting units and electrically connects with the electric trace of the adjacent circuit board element. | 02-19-2009 |
20090056182 | BILLBOARD - An billboard ( | 03-05-2009 |
20090056631 | APPARATUS FOR MANUFACTURING SEMICONDUCTOR LAYER - An apparatus for manufacturing a semiconductor layer on a substrate typically includes a reaction chamber, a first feed pipe, and a second feed pipe. The reaction chamber is configured for receiving the substrate therein. The first feed pipe and the second feed pipe communicate with the reaction chamber, providing a first raw material gas and a second raw material gas to the reaction chamber, respectively. The first feed pipe includes a first portion and a second portion. The first portion and the second portion are detachably connected to each other, allowing the second portion to be easily removed and replaced. | 03-05-2009 |
20090058263 | WHITE LIGHT EMITTING DEVICE AND METHOD FOR MAKING SAME - A white light emitting device and a method for making the same are provided. The white light emitting device includes a light emitting diode (LED) chip, a fluorescent layer and a reflective layer. The LED chip includes a substrate and a light emitting structure formed on the substrate. The LED chip has a plurality of side walls. The light emitting structure includes a first-type semiconductor layer, an active layer and a second-type semiconductor layer arranged in that order along a direction away from the substrate. The substrate has through hole formed therethrough and the first-type semiconductor layer is partially exposed. The fluorescent layer is formed in the through hole for wavelength conversion. The reflective layer is formed on the side walls and surrounds the LED chip. | 03-05-2009 |
20090067176 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - A backlight module ( | 03-12-2009 |
20090067192 | LOGO DISPLAY - A logo display includes a light guide plate including a light emitting surface, a plurality of light emitting diodes (LEDs) optically coupled to the light guide plate, and a light-transmissive layer disposed on the light emitting surface of the light guide plate. A light-transmissive colored pattern is formed on the light-transmissive layer. The light-transmissive colored pattern is configured for filtering out a color component of the light incident on the light-transmissive layer same as a color of the light-transmissive colored pattern. | 03-12-2009 |
20090073686 | SELF-CLEANING LIGHT SOURCE MODULE - An exemplary self-cleaning light source module includes a light source assembly, a housing, and a photocatalyst layer. The light source assembly includes a first light emitting component for emitting visible light and a second light emitting component for emitting UV light. The housing encloses the light source assembly therein and has a light permeable portion. The photocatalyst layer is formed on an outer surface of the light permeable portion of the housing. | 03-19-2009 |
20090077847 | BILLBOARD WITH LIGHT EMITTING DIODE LIGHT SOURCE - A billboard ( | 03-26-2009 |
20090086486 | SURFACE LIGHT SOURCE DEVICE - A surface light source device includes a plurality of light guide plates spliced together side by side and forming a plurality of jointing interfaces. A plurality of LEDs is attached to a side face of each of the light guide plates. The LEDs are arranged in a linear LED array along the side face of each of the light guide plates. At most one linear LED array is arranged at the jointing interface between each two neighboring light guide plates. | 04-02-2009 |
20090097242 | LIGHT SOURCE MODULE - A light source module includes light source units and links interconnecting the light source units. Each light source unit includes a substrate defining openings with a connector arranged in each opening. Each connector includes a first terminal and a second terminal. A light source is mounted on the substrate. The light source has a first electrode and a second electrode. The two electrodes are electrically connected to the terminals of the connectors. Each link is received in two openings of two neighboring light source units, and interconnects the two neighboring light source units electrically or mechanically. | 04-16-2009 |
20090097246 | PLANAR ILLUMINATION DEVICE - A planar illumination device includes at least one light source, a housing structure, at least one light guide plate, and at least one light exiting surface. The at least one light source is received in the housing structure. The housing structure includes at least one light emitting surface through which the light emitted from the at least one light source exits the at least one housing. The at least one light guide plate includes at least one light incidence surface through which the light enters into the at least one light guide plate, and contacts with the at least one light emitting surface. The light exits the at least one light guide plate through the at least one light exiting surface. The at least one light exiting surface includes a plurality of continuously connected bulge points formed thereon. | 04-16-2009 |
20090097248 | LIGHT EMITTING DIODE ILLUMINATING DEVICE - A light emitting diode (LED) illumination device ( | 04-16-2009 |
20090109672 | LIGHT EMITTING DIODE BASED SURFACE LIGHTING DEVICE - An LED surface lighting device ( | 04-30-2009 |
20090109686 | LAMPSHADE AND ILLUMINATION LAMP HAVING THE SAME - An illumination lamp ( | 04-30-2009 |
20090116235 | SEMICONDUCTOR SOLID-STATE LIGHT-SOURCE MODULE AND ASSEMBLY HAVING THE SAME - An exemplary semiconductor solid-state light-source module includes a printed circuit board, at least one semiconductor solid state light source mounted on the printed circuit board and a light guide plate optically coupled to the semiconductor solid state light source. The printed circuit board includes a protrusion and a recess. The protrusion is configured for engaging with a recess of the printed circuit board of another similar semiconductor solid-state light-source module. | 05-07-2009 |
20090147525 | SOLID-STATE ILLUMINATING APPARATUS - A solid-state illuminating apparatus ( | 06-11-2009 |
20090147536 | ILLUMINATING DEVICE - An exemplary illuminating device includes a light guide member and a light source. The light guide member includes an annular main body and at least one light incident portion extending from and optically coupled to the annular main body. The light source is optically coupled to the at least one light incident portion. The annular main body has a light emitting surface. The annular main body has a plurality of micro protrusions formed on the light emitting surface. | 06-11-2009 |
20090154158 | LAMP COVER AND ILLUMINATION LAMP HAVING SAME - A lamp cover includes an array of lenses. Each lens includes an incidence surface for receiving light, and an emitting surface opposite to the incidence surface. One of the incidence surface and the emitting surface is a convex surface. Each lens includes a first end and an opposite second end in a column direction, a third end and an opposite fourth end in a row direction. The lenses in each row, a thickness difference between the first end and the second end of each lens is greater than a thickness difference between the third end and the fourth end thereof. An illumination lamp is also provided in this invention. | 06-18-2009 |
20090154170 | LIGHT EMITTING DIODE ILLUMINATOR - A light emitting diode illuminator includes at least one light source, a receiving seat and a power source arranged on the receiving seat for supplying currents to the at least one light source for causing the at least one light source emitting light. The receiving seat includes a panel and a back plate assembled to the panel. At least one receiving chamber is defined between the panel and the back plate. The receiving chamber defines an opening at a lateral side of the receiving seat. The at least one light source is mounted into the at least one receiving chamber via the opening of the receiving chamber. A block extends outwardly from the back plate to the opening of the receiving chamber to prevent the at least one light source from falling out from the at least one receiving chamber of the receiving seat. | 06-18-2009 |
20090154175 | ILLUMINATING DEVICE - An illuminating device includes a circuit board, a light source, and a thermoelectric cooler. The circuit board has a first surface and a second surface at an opposite side of the circuit board to the first surface. The light source is electrically mounted on the first surface of the circuit board. The thermoelectric cooler is attached on the second surface of the circuit board. | 06-18-2009 |
20090159903 | LIGHT CHAIN - A light chain includes a plurality of light emitting diodes (LEDs) electrically connected to each other. Each LED includes an LED chip having a first pole and a second pole, and a packaging layer encapsulating the LED chip. A first electrode has an inner end connected to the first pole, and an outer end extending to the outside of the packaging layer. A second electrode has an inner end connected to the second pole, and an outer end extending to the outside of the packaging layer. A third electrode has a first outer end and a second outer end located at the outside. The outer end of the first electrode and the first outer end cooperatively form a first plug; the outer end of the second electrode and the second outer end cooperatively form a second plug configured to attach to a first plug of an adjacent LED. | 06-25-2009 |
20090159904 | LIGHT SOURCE DEVICE, LIGHT SOURCE MODULE, AND METHOD OF MAKING THE LIGHT SOURCE DEVICE - A light source device includes a lead frame, a first solid-state lighting chip, a first transparent encapsulation, a second solid-state lighting chip, and a second transparent encapsulation. The first solid-state lighting chip and the second solid-state lighting chip are respectively located at two opposite sides of the lead frame and electrically connected to the lead frame. The first transparent encapsulation and the second transparent encapsulation respectively encapsulate the first solid-state lighting chip and the second solid-state lighting chip. | 06-25-2009 |
20090161030 | ILLUMINATION SYSTEM AND TELEVISION USING THE SAME - A system includes a light source, a driving module and a processing unit. The light source includes a red, green and blue light emitting diodes. The driving module is electrically coupled to the red, green and blue light emitting diodes. The driving module is for controlling a driving current outputted to each of the red, green and blue light emitting diodes. The processing unit is communicatively coupled to the driving module. The processing unit receives a video signal containing display information which is inputted into a display screen and is to be displayed thereon. The processing unit analyzes the video signal and determines color temperature of the display information, and outputs a first controlling signal to the driving module for synchronously adjusting the color temperature of the light emitted from the light source to be substantially equal to that of the display information displayed on the display screen. | 06-25-2009 |
20090168422 | ILLUMINATION DEVICE - An exemplary illumination device includes a number of illuminants and a number of pivoting shafts. Each of the illuminants includes a casing and a light source received in the casing. The pivoting shafts pivotedly connect the casing. Each of the pivoting member is coupled to each two neighboring illuminants. | 07-02-2009 |
20090168441 | ILLUMINATION DEVICE AND CAR WITH SAME - An illumination device includes a light emitting module ( | 07-02-2009 |
20090168451 | BILLBOARD AND FABRICATION THEREOF - An exemplary billboard includes a backlight module, a light transmissive canvas, a pattern layer and a light converging layer. The light transmissive canvas is adjacent to the backlight module. The light transmissive canvas includes a first surface facing the backlight module and a second surface opposite to the first surface. The pattern layer is formed on the second surface. The light converging layer covers the pattern layer and comprises a plurality of microstructures formed thereon distal from the light transmissive canvas. | 07-02-2009 |
20090168457 | LIGHT-EMITTING PANEL - A light-emitting panel ( | 07-02-2009 |
20090168458 | LIGHT-EMITTING PANEL AND LUMINAIRE HAVING SAME - A luminaire ( | 07-02-2009 |
20090179548 | ILLUMINATING DEVICE - An illuminating device ( | 07-16-2009 |
20090184619 | LED ILLUMINANTOR AND HEAT-DISSIPATING METHOD THEREOF - A heat-dissipating method of a light emitting diode illuminator includes the following steps. First, the light emitting diode illuminator is provided and includes a light emitting diode, a fan apparatus, a temperature sensor and a controller. The controller is electrically connected with the fan and the temperature sensor. Second, a predetermined working temperature of the light emitting diode is defined in the controller. Third, a working temperature of the light emitting diode is sensed using the temperature sensor, and a signal of the working temperature is transmitted to the controller. Fourth, the working temperature sensed by the temperature sensor is compared with the predetermined working temperature in the controller, and the fan is adjusted by the controller to work at a suitable speed. | 07-23-2009 |
20090189528 | ILLUMINATING DEVICE - An illuminating device ( | 07-30-2009 |
20090190350 | LIGHT SOURCE ASSEMBLY - A light source assembly includes a first and a second light source modules. The first light source module includes a first light source, a first heat-dissipating base, and a first connecting part. The first heat-dissipating base has a first side and a second side. The first light source is mounted on the first side of the first heat-dissipating base, and the first connecting part extends outwardly from the second side of the first heat-dissipating base. The second light source module includes a second light source, a second heat-dissipating base, and a second connecting part. The second heat-dissipating base has a first side and a second side. The second light source is mounted on the first side of the second heat-dissipating base, and the second connecting part extends outwardly from the second side. The first connecting part is detachably and slidably engaged with the second connecting part. | 07-30-2009 |
20090190354 | LIGHT EMITTING DIODE ILLUMINATING DEVICE - An exemplary light emitting diode illuminating device includes a light emitting diode (LED) light source, a heat dissipating device, a temperature detector, a power supply and a pulse width modulator. The heat dissipating device is thermally connected to the LED light source. The temperature detector is thermally connected to the LED light source and configured for detecting the working temperature of the LED light source. The power supply is electrically connected to the pulse width modulator for providing electric power to the pulse width modulator. The pulse width modulator has a direct current (DC) output mode and a pulse output mode. | 07-30-2009 |
20090207606 | ILLUMINATION DEVICE - An illumination device includes at least one solid-state light source, a thermoelectric cooler, a heat dissipation device and a first metal film. The thermoelectric cooler has a cold end and a hot end, and the cold end thermally contacts the solid-state light source. The heat dissipation device thermally contacts the hot end of the thermoelectric cooler. The first metal film is formed on the hot end of the thermoelectric cooler and is sandwiched between the heat dissipation device and the hot end of the thermoelectric cooler. | 08-20-2009 |
20090207614 | ILLUMINATING DEVICE WITH ADJUSTABLE ILLUMINATION RANGE - An illuminating device includes a housing, a light source module, and a plurality of replaceable optical elements. The light source module is positioned in the housing for emitting light having an initial illumination range. The optical elements are configured for respectively converting the initial illumination range into different outputting illumination ranges, each of the optical elements is selectively detachably mountable to the housing for achieving a desired illumination range. | 08-20-2009 |
20090231090 | SWITCH APPARATUS - An exemplary switch apparatus includes a light signal emitting module and a light signal receiving module. The light signal emitting module includes a code storing unit, a light emitting diode (LED) unit, a driving unit and a power supply. The light signal receiving module includes a light signal converting unit and an electric signal processing unit. | 09-17-2009 |
20090231851 | ILLUMINATION DEVICE - An illumination device includes a light source module, a heat dissipating device and a heat conducting plate. The heat conducting plate is thermally coupled between the light source module and the heat dissipating device. In addition, the heat conducting plate includes a first contacting portion thermally contacting the light source module, and a second contacting portion thermally contacting the heat dissipating device. The thermal conductivity of the heat conducting plate in an extending direction from the first contacting portion to the second contacting portion is greater than that in a thicknesswise direction thereof. | 09-17-2009 |
20090237914 | STEREOSCOPIC DISPLAY DEVICE - A stereoscopic display device includes a substrate, a plurality of odd-line light source units, a plurality of even-line light source units, a lens array, and a circuit. The odd-line light source units and the even-line light source units are provided at a first side of the substrate and spaced from each other. Each of the odd-line light source units and the even-line light source units include a plurality of light source pixel units. The lens array is arranged on the substrate at the first side thereof and includes a plurality of cylindrical stripe-like lenses, the cylindrical stripe-like lenses extending substantially parallel to each other. The circuit is configured for alternately outputting a first time sequence display signal to the odd-line light source units and a second time sequence display signal to the even-line light source units. | 09-24-2009 |
20090244901 | STREET LAMP SYSTEM - A street lamp system includes a hollow lamp post, an illumination device, a wind turbine, a connecting shaft and a number of fan leaves. The lamp post has an air flowing channel defined therein. The illumination device includes a solid-state light source and a heat dissipation device thermally coupled to the solid-state light source, and is coupled on the lamp post with the heat dissipation device disposed in the air flowing channel. The wind turbine is mechanically coupled to the lamp post to be driven by wind energy to rotate, thereby directing flowing of the air in the channel from the air inlet to the air outlet. | 10-01-2009 |
20090250092 | SOLAR CELL PANEL - A solar cell panel includes a light-pervious substrate, a photo-catalyst film, a light source and at least one solar cell. The substrate has a bottom surface and an opposite top surface. The photo-catalyst film is formed on the bottom surface. The light source is configured for emitting light having a given wavelength to activate the photo-catalyst film to decompose contaminants thereon. The at least one solar cell is positioned on the top surface of the substrate to absorb and convert light into electric energy. | 10-08-2009 |
20090262525 | STREET LAMP SYSTEM - A street lamp system includes a hollow lamp post, an illumination device, a generator, a wind turbine, a connecting shaft and a plurality of fan blades. The lamp post defines an air flowing channel therein. The illumination device includes a solid-state light source and a heat dissipation device disposed in the channel. The connecting shaft is mechanically coupled to the wind turbine and the generator. The wind turbine, cooperated with the generator, converts wind energy into electric energy and supplies electric energy to the solid-state light source. The fan blades is configured for directing flowing of the air in the channel from the air inlet to the air outlet. | 10-22-2009 |
20090268446 | ILLUMINATION DEVICE - An illumination device includes a light-pervious substrate, a solid-state light source and at least one solar cell. The substrate has a bottom surface, a light incident surface adjacent to the bottom surface, and a light emitting surface opposite to the bottom surface. The solid-state light source is arranged on the light incident surface for emitting light into the substrate through the light incident surface. The at least one solar cell is arranged on the bottom surface of the substrate to absorb and convert solar energy into electric energy and supply the electric energy to the solid-state light source. | 10-29-2009 |
20090320902 | SOLAR ENERGY COLLECTING DEVICE - A solar energy collecting device includes a photovoltaic module, a light reflecting unit, and a support unit. The photovoltaic module is configured to convert solar energy to electrical energy, and includes a front portion and a rear portion opposite to the front portion. The light reflecting unit is positioned below the photovoltaic module and has a concave curved surface opposite to the rear portion. The support unit supports the photovoltaic module. | 12-31-2009 |
20100002445 | LIGHT EMITTING DIODE STREETLIGHT APPARATUS - An exemplary light emitting diode (LED) streetlight apparatus includes a support, a light emitting module and a light guiding device. The light emitting module is mounted on the support for emitting light. The light emitting module has a first radiation angle in a plane perpendicular to the surface of the road, and the first radiation angle is equal to or less than 45 degrees. The light emitting module has a second radiation angle in a plane parallel to the surface of the road, and the second radiation angle is greater than the first radiation angle. The light emitted from the light emitting module is directed by the light guiding device to emit in a direction towards the surface of the road. | 01-07-2010 |
20100033967 | ILLUMINATING DEVICE - An illuminating device includes a receiving base and at least one light source. The receiving base has at least one receiving space defined therein, and at least one fixing post is positioned adjacent to the corresponding at least one receiving space. The at least one light source is positioned in the at least one receiving space for emitting light. Each light source comprises a light-pervious plate and a LED array located on a side of the light-pervious plate. The light-pervious plate comprises at least one first through hole with the at least one fixing post extending therethrough, the light-pervious plate is fixed to the receiving base in the corresponding receiving space of the receiving base. | 02-11-2010 |
20100039812 | ILLUMINATING DEVICE - An exemplary illuminating device comprises a light source module, a light reflective module, a lens array and a light transmissive module. The lens array is for expanding a light field of the illuminating device along a first direction and compressing the light field of the illuminating device along a second direction. The light transmissive module comprises a first surface facing towards the lens array and a second surface opposite to the first surface. The second surface has a plurality of microstructures formed thereon thereby expanding the light field of the illuminating device along the first direction. | 02-18-2010 |
20100110723 | BILLBOARD UTILIZING BACKLIGHT ILLUMINATION - An exemplary billboard includes a frame, a light emitting diode (LED) light source, a display board and a reflect board. The LED light source is fixed on the frame and for emitting lights. The display board is fixed on the frame. The display board includes a light incident surface, a light emitting surface opposite to light incident surface, and at least one through hole extending through the light incident surface and the light emitting surface, the at least one through hole forms a predetermined logo. The reflect board is fixed on the frame and includes a light reflecting surface facing towards the light incident surface of the display board. | 05-06-2010 |
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 |
20100128462 | ILLUMINATION DEVICE WITH SELECTABLE OPTICAL WAVELENGTH CONVERSION - An illumination device includes a light source emitting light of certain wavelength and a light transmissive element having optical wavelength converting regions. Each optical wavelength converting region can be selectively positioned opposite to the light source. The optical wavelength converting region opposite to the light source receive the light emitted from the light source and convert the wavelength of the light. | 05-27-2010 |
20100129267 | AIR CLEANING DEVICE - An exemplary air cleaning device includes a roller, a photo-catalyst layer and a light source. The roller includes a base and a plurality of fins installed on the base. The roller is movable to cause an air to flow. The photo-catalyst layer is formed on the fins. The light source is disposed facing toward the roller for irradiating the photo-catalyst layer to cause a photocatalytic reaction thus cleaning the air flowing therethrough. | 05-27-2010 |
20100132983 | RIGID PRINTED CIRCUIT BOARD, PCB ASSEMBLY, AND PCB MODULE HAVING SAME - An exemplary rigid printed circuit board (PCB) includes a main portion, a supporting portion and a connecting portion. The supporting portion is for supporting electrical elements. The connecting portion includes two end portions and a main body therebetween. The main body is spaced from the main portion and the supporting portion. The two end portions are respectively connected to the main portion and the supporting portion. A PCB assembly and a PCB module using the same are also provided. | 06-03-2010 |
20100135027 | ANTI-GLARE INDOOR LAMP - An exemplary anti-glare indoor lamp includes a shade, light source, and an optical sheet. The shade defines a receiving cavity therein and an opening at the bottom of the receiving cavity. The light source is received in the receiving cavity and positioned to emit light toward the opening. The optical sheet is arranged facing the opening and is sized to cover only part of the opening. The optical sheet is configured for reducing the brightness of the light passing therethrough, and is movable to cover a selected part of the opening. Therefore, the light reaching eyes of a user is reduced, and glare is avoided or at least mitigated. | 06-03-2010 |
20100148200 | LIGHT EMITTING DIODE WITH LIGHT CONVERSION - An exemplary light emitting diode includes a light emitting diode chip, two optical wavelength converting layers, and an encapsulant layer. The light emitting diode chip has an light emitting surface. The light emitting diode chip is used to emit a monochromatic light from the light emitting surface. The light emitting surface includes a first region, a second region, and a third region. The two optical wavelength converting layers covers the first and the third regions of the light emitting surface. The two optical wavelength converting layers are configured for converting the monochromatic light received from the light emitting diode chip and emitting light with a converted wavelength from the light emitting diode. The encapsulant layer covers the second region of the light emitting surface for directing light therefrom. | 06-17-2010 |
20100149793 | SELF-CLEANING LIGHT SOURCE MODULE - An exemplary self-cleaning light source module includes a light source assembly, a housing, and a photocatalyst layer. The light source assembly includes a first light emitting component for emitting visible light and a second light emitting component for emitting UV light. The housing encloses the light source assembly therein and has a light permeable portion. The photocatalyst layer is formed on an outer surface of the light permeable portion of the housing. | 06-17-2010 |
20100157571 | ILLUMINATION DEVICE WITH SELECTIVE COLOR OUTPUT - An exemplary illumination device includes a light source and a light-pervious optical wavelength converting barrel. The light source is configured for emitting monochromatic light. The light-pervious optical wavelength converting barrel includes a plurality of optical wavelength converting regions. The optical wavelength converting regions are sequentially arranged to cooperatively form an accommodating space receiving the light source. In operation, the barrel is rotatable relative to the light source, such that each of the optical wavelength converting regions is capable of being selectively positioned to receive the light from the light source. Thereby, the illumination device emits light with a converted wavelength. | 06-24-2010 |
20100157572 | ILLUMINATING APPARATUS WITH PHOSPHOR FILMS - An exemplary illuminating apparatus includes a light source, a supporting member, a first film and a second film. The light source includes a substrate and a plurality of light emitting diode arranged on the substrate. The supporting member connected to the substrate. The supporting member includes a light emitting surface at a side thereof distant from the light emitting diodes. The first film and the second film attached to each other and arranged at the light emitting surface of the supporting member. The first film includes a first phosphor doped therein, and the second film includes a second phosphor doped therein. Each of the first phosphor and the second phosphor is capable of being excited by light emitted from the light-emitting diodes and converting a wavelength of the light into a desired wavelength. | 06-24-2010 |
20100182766 | ILLUMINATION DEVICE WITH FLEXIBLE LIGHT TRANSMISSIVE FILM - An exemplary illumination device includes a light source, a flexible light transmissive film and a driving module. The light source is for emitting light. The flexible light transmissive film has a substantially rectangular shape. The flexible light transmissive film is divided into a plurality of optical wavelength converting regions successively arranged along a longitudinal direction of the rectangular shape. The driving module is mechanically connected to at least one end of the light transmissive film and configured for winding up the light transmissive film, thereby driving the light transmissive film to travel along the longitudinal direction. | 07-22-2010 |
20100207129 | LIGHT EMITTING DIODE LIGHT SOURCE FOR EMITTING POLARIZED LIGHT - An exemplary light emitting diode (LED) light source includes a frame and light emitting units. The frame includes a supporting surface having a curved surface and one or more receiving holes configured in the curved surface. Each of the light emitting units is received in a respective receiving hole. Each of the light emitting units includes an LED die for generating light of two polarization states, a reflective polarizer for preferentially reflects one polarization state back into the LED die and preferentially transmitting the other polarization state out of the light emitting unit, a polarization converting film for converting the reflected light of the first polarization state into light of the second polarization state, and a reflective film for reflecting light of the converted second polarization state to the reflective polarizer. | 08-19-2010 |
20100214787 | ILLUMINATION DEVICE WITH ANTI-GLARE FUNCTION - An illumination device for illuminating a road includes a lamp holder and a light source. The lamp holder has an inner surface and a cavity defined by the inner surface. The light source is arranged in the cavity, and light emitted from the light source is redirected by the lamp holder to establish an illuminating area on the road. The illuminating area is consisted of a first angular range and a second angular range which are located at two opposite sides of the lamp holder along a lengthwise direction of the road. The first angular range is directed at an angle Φ1 from a downward vertical line through the lamp holder, and the second angular range is directed at an angle Φ2 from the downward vertical line, wherein, Φ2>Φ1, Φ1≦45°. | 08-26-2010 |
20100232159 | ILLUMINATION DEVICE WITH SELECTABLE LIGHT DISTRIBUTION CURVES - An illumination device includes a light source and a light transmissive element having a plurality of transmissive units. The light transmissive element is movable such that any of the plurality of transmissive units can be selectively positioned below the light source, and said any of plurality of transmissive units can thereby receive light emitted from the light source and convert the light distribution curve of the light into a different light distribution curve. | 09-16-2010 |
20100232160 | ILLUMINATION DEVICE HAVING ADJUSTABLE DISTRIBUTION CURVE OF LUMINOUS INTENSITY - An illumination device includes a light source, an optical film, and a drive module. The optical film has a plurality of optical regions, each having a light incident surface opposite to the light source and a light emitting surface opposite to the light incident surface, and at least one of each of the light incident and emitting surfaces has a micro-structure. The drive module moves the optical film in the space, and light emitted by the light source passes through the different optical regions of the optical film, changing the distribution curve of luminous intensity of the light source. | 09-16-2010 |
20100246173 | ILLUMINATION DEVICE WITH LIGHT DIFFUSION PLATE - An exemplary illumination device includes a solid-state light source and a light diffusion plate. The solid-state light source is configured for generating light, and the solid-state light source defines a central axis. The light diffusion plate is arranged generally adjacent to the solid-state light source. The plate includes an incident surface and an output surface at opposite sides thereof. At least one of the incident surface and the output surface has parallel micro-structures each having a length parallel to a first reference axis. The micro-structures are arranged in two groups at opposite sides of the central axis, and the micro-structures of the two groups are symmetrical relative to each other across the central axis. The first micro-structures are configured for increasing a radiating range of the light entering the plate along respective opposite directions of a second reference axis substantially perpendicular to the first reference axis. | 09-30-2010 |
20100246211 | PLANAR ILLUMINATION DEVICE - A planar illumination device includes at least one light source, a housing structure, at least one light guide plate, and at least one light exiting surface. The at least one light source is received in the housing structure. The housing structure includes at least one light emitting surface through which the light emitted from the at least one light source exits the at least one housing. The at least one light guide plate includes at least one light incidence surface through which the light enters into the at least one light guide plate, and contacts with the at least one light emitting surface. The light exits the at least one light guide plate through the at least one light exiting surface. The at least one light exiting surface includes a plurality of continuously connected bulge points formed thereon. | 09-30-2010 |
20100254142 | ILLUMINATION SYSTEM - An illumination system comprises a light source, an optical element, a detection module, and a drive module. The optical element has a plurality of light transmitting regions through which light from the light source passes to produce a corresponding distribution curve of luminous intensity. A detection module thereof is used to detect a subject area and output a detection signal, and the drive module moves the optical element according to the detection signal of the detection module to generate required light intensity pattern of the light emitted from the light source, in which the light passes through a corresponding one of the light transmitting regions of the optical element. | 10-07-2010 |
20100258232 | APPARATUS AND METHOD FOR SECURING SOLID-STATE LIGHT SOURCE - An exemplary apparatus for securing a solid-state light source on a base includes a laser emitter, an adjustment member, a photo sensor, and a drive member. The solid-state light source has a light source surface and a central axis. The base has a supporting surface, which includes plane regions. The laser emitter is configured for generating a laser beam to an imaginary reference surface. The adjustment member is configured for adjusting an orientation of the base to have a selected plane coaxial with the imaginary reference surface and reflect the laser beam. The photo sensor is configured for sensing an intensity of the laser beam. The drive member is configured for moving the solid-state light source toward until the light source surface of the solid-state light source is attached to the selected plane region immediately with the central axis thereof being coaxial with the imaginary normal. | 10-14-2010 |
20100264431 | YELLOW LIGHT EMITTING DIODE AND LIGHT EMITTING DEVICE HAVING THE SAME - An exemplary yellow light emitting diode (LED) includes a substrate, a LED die, a phosphor layer and an encapsulant. The LED die is arranged on the substrate and comprises an indium gallium aluminum nitride represented by the formula In | 10-21-2010 |
20100284174 | ILLUMINATION DEVICE WITH ANTI-GLARE PLATE - An exemplary illumination device includes a solid-state light source and an anti-glare plate. The solid-state light source is configured for generating light, and the solid-state light source defines a central axis. The anti-glare plate is arranged correspondingly generally adjacent to the solid-state light source. The plate includes an incident surface and an output surface at opposite sides thereof. The output surface has parallel micro-structures each have a length parallel to a first reference axis, and the micro-structures is arranged in two groups at opposite sides of the central axis. The micro-structures are configured for contracting a radiating range of the light entering the plate. Such contraction is along respective opposite directions of a second reference axis, and the second reference axis is substantially perpendicular to the first reference axis. | 11-11-2010 |
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 |
20100290228 | ILLUMINATION DEVICE WITH SPHERICAL SURFACE - An exemplary illumination device includes a base, a first solid-state light source, and a number of second solid-state light sources. The base has a spherical surface. The spherical surface defines a spherical center and a base central axis passing through the spherical center. The first solid-state light source defines a first light source central axis coaxial with the base central axis of the spherical surface. The second solid-state light sources are mounted over the spherical surface. Each of the second solid-state light sources defines a second light source central axis passing through the spherical center of the spherical surface. Light intensities of the first solid-state light source and each second solid-state light source satisfy the formula: I=I | 11-18-2010 |
20100296309 | ILLUMINATION DEVICE - An exemplary illumination device includes a light source and a light-pervious light guiding barrel. The light source is configured for emitting light along a given light path. The light-pervious light guiding barrel receives the light source therein, and the barrel includes light guiding regions with different light directing and/or reflecting capabilities. In addition, the barrel is rotatable relative to the light source such that each of the light guiding regions can be selectively placed on the light path to direct and/or reflect the light from the light source. | 11-25-2010 |
20100302766 | ILLUMINATION DEVICE WITH ANTI-GLARE FUNCTION - An illumination device is adopted for lighting a road and includes a light source, a power storage device, a solar panel, and a light pervious encapsulant. The light source includes an LED and an optical element optically coupled to the LED, light emitted from the LED is redirected to one side of the light source by the optical element at an angle θ in respect to the road surface, wherein, −30°≦θ≦+30°. The power storage device is electrically connected to the LED. The solar panel is electrically connected to the power storage device for converting energy of sunlight directly into electricity, and the converted electricity is stored in the power storage device. The light source and the solar panel are packaged in the light pervious encapsulant. | 12-02-2010 |
20100320933 | ILLUMINATION DEVICE - An illumination device for illuminating a road includes a light source, a solar cell module, a sensor and a control module. The light source includes a plurality of light emitting elements and an optical element. Light generated from the light emitting elements passes through the optical element and is emitted from the illumination device at a half-intensity angle of between −20° and 20° with respect to a road surface. The solar cell module is electrically connected to the light emitting elements, and converts light directly into electricity. The sensor detects environmental brightness. The control module is electrically connected to the solar cell and the light emitting elements. The control module controls the current to the light emitting elements to adjust the brightness of the light emitting elements. | 12-23-2010 |
20100328949 | ILLUMINATION DEVICE - An illumination device includes a light source and a heat dissipation device. The light source includes a base and at least a light emitting diode on the base. The heat dissipation device includes a fan for dissipating heat from the light source, and a hollow shell. The hollow shell has an inlet and an outlet defined thereon. The fan is located on the hollow shell, and the airflow from the fan is parallel to a rotation plane of the fan. In operation, air is impelled from the hollow shell by the fan, and heat from the light source is evacuated by airflow from the inlet to the outlet, and air pressure in the shell is reduced. Cool air flows into the hollow shell through the inlet. | 12-30-2010 |
20100328950 | ILLUMINATION DEVICE - An illumination device includes a light source and a heat-dissipation device. The heat-dissipation device has an air impeller configured for dissipating heat from the light source, and a hollow shell. The hollow shell has an inlet and an outlet with a height difference therebetween. The air impeller is removably installed on the shell between the inlet and outlet. The air impeller is adjacent to the outlet and accelerates airflow therefrom. Air pressure around the outlet is reduced and a pressure difference between the inside and outside of the hollow shell is generated. Air in hollow shell is heated by the light source and leaves the hollow shell via the outlet. Cold air enters the hollow shell via the inlet. | 12-30-2010 |
20110018417 | LED LIGHT FIXTURE HAVING HEAT DISSIPATION STRUCTURES - An LED light fixture includes an inner shell containing a cooling fluid therein, an outer shell enclosing the inner shell, a heat conductor extending through the inner and outer shells, a light module mounted on one end of the heat conductor, and a lamp base connected to an opposite end of the heat conductor. | 01-27-2011 |
20110019393 | ILLUMINATION APPARATUS - An illumination apparatus for lighting a road surface includes a light source mounted on the road surface, an electrical power storage device, a solar cell, and a transparent package. The light source includes at least one light emitting diode and an optical element optically coupled to the light emitting diode. The optical element deflects the light from the light emitting diode to opposite sides of the light source along the road surface. The included angles between the light from the optical element and the road surface are asymmetric at the opposite sides of the light source. The light source and the solar cell are encapsulated in the transparent packing. | 01-27-2011 |
20110019405 | STREET LAMP - An exemplary street lamp includes a solid-state light source and a light guiding plate. The light source is used to emit light to illuminate a portion of the traffic lane. The illuminated portion includes a first section and a second section at opposite sides of the projection of the light source on the traffic lane. The solid-state light source defines a central axis perpendicular to a lengthwise direction of the traffic lane. The plate includes a light incident surface and a light output surface at opposite sides thereof. The plate is used to deviate the light from the light source. In this manner, a maximum light intensity in the first section is less than or equal to 60 percent of a maximum light intensity in the second section. | 01-27-2011 |
20110019406 | REFLECTING COVER AND ILLUMINATION DEVICE USING THE SAME - A reflecting cover includes a substrate and a reflecting ring. The substrate is configured for receiving an LED. The reflecting ring is mounted on the substrate. The reflecting ring includes a plurality of reflecting units. The reflecting units are configured for reflecting light of the LED. The angles of the reflecting units relative to the substrate increase in turn along a direction away from the substrate. | 01-27-2011 |
20110019407 | REFLECTING COVER AND ILLUMINATION DEVICE USING THE SAME - A reflecting cover includes a first reflective plate, a second reflective plate and a plurality of side reflective plates. The first reflective plate and the second reflective plate are perpendicular to the X-Z plane. The side reflective plates are perpendicular to the X-Y plane. The side reflective plates are located between the first reflective plate and the second reflective plate. The first reflective plate and the second reflective plate inclined toward each other. A plurality of LEDs is received in the reflecting cover and adjacent to the first reflective plate and the second reflective plate. A part of the emission of the LEDs is blocked and reflected by the first reflective plate and the second reflective plate and portions of the side reflective plates adjacent to the first and second reflective plates. | 01-27-2011 |
20110019421 | TUBULAR LED ILLUMINATING DEVICE WITH 360-DEGREE RADIATION - A tubular LED illuminating device comprises a tubular shell, a supporting frame and a plurality of light emitting units. An inner surface of the shell forms a plurality of elongate protrusions extending along a direction parallel to an axial direction of the shell. Each of the protrusions defines at least one elongate recess extending along the axial direction of the shell. The supporting frame is received in the shell and comprises at least three supporting plates. Two opposite edges of each supporting plate are respectively embedded in the adjacent recesses of different protrusions. The light emitting units are arranged on the at least three supporting plates, and light emitted from the light emitting units emits out through the shell and has a radiation angle of 360 degrees. | 01-27-2011 |
20110019428 | ILLUMINATION DEVICE - An illumination device includes a light source and a heat dissipation device. The light source includes a base and at least a light emitting diode on the base. The heat dissipation device is located on the base opposite to the light emitting diode, and includes an air pump and a hollow shell. The hollow shell is detachably fixed on the base, and has a first opening and a second opening. The air pump is detachably fixed in the hollow shell. In operation, motion of the air pump generates airflow from the first opening toward the second opening to evacuate heat from the light source. | 01-27-2011 |
20110031871 | LAMPS WITH REPLACEABLE COVERS - A lamp includes a main body and a removable cover, and the main body includes a lamp housing, a printed circuit board (PCB), at least one light emitting element, and a threaded base. The lamp housing defines a socket configured for receiving the PCB and the at least one light emitting element, and the PCB is electrically connected to the at least one light emitting element and fixed in the socket. The removable cover includes a light-transmission portion and a connection portion, the connection portion connects to the end of the lamp housing with the socket, and the light-transmission portion is opposite to the socket. Light from the at least one light emitting element is emitted from the light-transmission portion. | 02-10-2011 |
20110057579 | ILLUMINATION DEVICE - An illumination device includes a light source module consisting of a substrate and a plurality of light emitting elements on the substrate in an array and an optical module array consisting of a plurality of optical modules covering the light emitting elements. Each optical module includes a first optical component and a second optical component. A first illumination distribution pattern is generated by light from the light emitting elements and modulated by the first optical components. A second illumination distribution pattern is generated by light from the light emitting elements and modulated by the second optical components. An illumination distribution pattern of the illumination device is superposition of the first illumination distribution pattern and the second illumination distribution pattern. | 03-10-2011 |
20110062919 | DISCHARGE CIRCUIT - A discharge circuit includes an OC (Optical Coupler), a capacitor, an NPN-type transistor, and a discharge unit. The discharge circuit is parallel connected to a PFC (power factor corrector) circuit which includes a filter capacitor. The discharge unit has a MOSFET and a discharge resistor. A drain of the MOSFET is connected to a first terminal of the PFC circuit via the discharge resistor, a gate thereof is connected the anode of the capacitor, and a source thereof is connected to ground. | 03-17-2011 |
20110074267 | LED LAMP - An LED lamp includes a heat sink including a base having a heat-dissipating face, an LED module including a printed circuit board mounted on the base and a plurality of LEDs disposed on the printed circuit board, and a connecter electrically connecting the LED module to a power supply. The heat sink further includes a plurality of spiral fins protruding outwardly from the heat-dissipating face of the base. | 03-31-2011 |
20110075417 | LED ILLUMINATION DEVICE - An LED illumination device comprises a base, at least one LED light source and a heat dissipation module. The base has a first surface and a second surface opposite to the first surface. The LED light source is located on the second surface of the base. The heat dissipation module is thermally connected to the first surface of the base. The heat dissipation module has a staff and a spiral heat sink, which is attached to the staff. The staff is mounted on the base and the spiral heat sink is mounted on the staff. The spiral heat sink generates airflow through the LED light source when the spiral heat sink and the staff are rotated relative to the base, whereby heat dissipation efficiency of the LED light source is optimized accordingly. | 03-31-2011 |
20110090688 | ILLUMINATION DEVICE WITH OVERLAPPING ILLUMINATION AREA - An illumination device includes a housing, a cover and a plurality of lighting source modules. The plurality of lighting source modules is arranged in array. The cover includes a top surface and a bottom surface. The top surface faces the plurality of lighting source modules such that the light from the plurality of lighting source modules travels through the cover to the illumination area. Each of the plurality of lighting source modules has a predetermined height from the illumination area. A ratio of the total width of the lighting source modules to the predetermined height is less than or equal to a specific value, namely 10%, so that the illumination areas of all the plurality of lighting source modules substantially overlap. | 04-21-2011 |
20110134639 | ILLUMINATION APPARATUS MODULE - An illumination apparatus comprises at least two illumination apparatus modules arranged abreast and a connecting element. Each illumination apparatus module includes a cover, a case, and an elastic fastener. A supporting portion is mounted on the case supporting the cover. The sidewall of the case has a first hole, and the supporting portion has a second hole. The elastic fastener is mounted on the second hole. The supporting portion supports the cover and fixes the cover on the case. The connecting element passing through the first holes of the two adjacent sidewalls of two illumination apparatus modules fixes and connects the two illumination apparatus modules together. By the first holes and the connecting element corresponding to the first holes, each illumination apparatus module combines mutually. The elastic fastener fixes the cover and the case together. | 06-09-2011 |
20110141723 | LED LAMP - An LED lamp includes an envelope, two covers, a mounting board and a plurality of LEDs. The covers engages with opposite ends of the envelope. Each of the covers has an electrically conductive part. The mounting board is received in the envelope. Two ends of the mounting board electrically connect with the electrically conductive parts of the two covers, respectively. The LEDs are disposed on the mounting board and received in the envelope. | 06-16-2011 |
20110157886 | LED ILLUMINATION DEVICE HAVING REFLECTOR FOR PRODUCING REQUIRED LIGHT PATTERN - An LED illumination device includes a polygonal reflector and a plurality of LEDs received in the reflector. The reflector includes multiple sidewalls connecting with each other. Each LED is located adjacent to at least one corresponding neighboring sidewall. The polygonal reflector can have a shape of a square, a rectangle, an octagon etc. Light generated by the LEDs has at least a part reflected by the reflector to radiate out of the LED illumination device upwardly. The LED is a top view LED. A top of an LED die of the LED is no higher than a bottom of the sidewalls of the reflector. | 06-30-2011 |
20110157894 | LED LAMP - An LED lamp includes a lamp support and a light-source module mounted on the lamp support. The lamp support includes a main post and a branch post extending from the main post. The main post is tubular and defines a first airflow tunnel inside the main post. The branch post is tubular and defines a second airflow tunnel inside the branch post, and the second airflow tunnel is directly communicated with the outer environment. The first and second airflow tunnels are communicated with each other. The light-source module is located at a position through which an airflow from the first and second airflow tunnels of the main post and the branch post flows. | 06-30-2011 |
20110164425 | LENS AND ILLUMINATION DEVICE HAVING SAME - A lens applied to a light emitting element includes a first surface profile and a second surface profile opposite to the first surface profile. The first surface profile defines a first trench facing the light emitting element, and the first trench includes a bottom curved surface serving as a light incident surface. The second surface profile includes a top curved surface, and serves as a light emitting surface. Both the bottom and the top curved surfaces are mirror symmetric to the first suppositional plane P | 07-07-2011 |
20110175511 | LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE HAVING SAME - An exemplary light emitting diode includes a light emitting diode chip, a casting, two metallic electrodes, and a heat sink. The casting has a first surface and a second surface at two opposite sides thereof. In addition, the casting has a receiving space defined in the first surface for receiving the light emitting diode chip and a hole extending from the light emitting diode chip to the second surface. The two metallic electrodes each are coupled to the casting and extending to the first surface. The heat sink fills in the hole and thermally contacts the light emitting diode chip, and the heat sink is thermally and electrically insulated from the two metallic electrodes by the casting. | 07-21-2011 |
20110175512 | LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE HAVING SAME - An exemplary light emitting diode includes a heat sink, an insulating layer, a positive electrode, a negative electrode, and a light emitting diode chip. The heat sink has a first surface, and the first surface includes a first portion and a second portion adjacent to the first portion. The insulating layer is arranged on the first portion of the first surface and has a second surface facing away from the heat sink. The positive electrode and the negative electrode are arranged on the second surface. The light emitting diode chip is mounted on the second portion and spaced from the positive electrode and the negative electrode, and the light emitting diode chip is electrically connected to the positive electrode and the negative electrode. | 07-21-2011 |
20110240084 | SOLAR BATTERY DEVICE WITH CONNECTED PHOTOVOLTAIC CELLS - An exemplary solar battery device includes plural photovoltaic cells detachably connected together. Each photovoltaic cell includes a base and a chip unit supported by the base. The chip unit includes a first electrode at a bottom thereof and a second electrode at a top thereof. The base includes first electrical terminals and second electrical terminals, which are respectively connected with the first and second electrodes of the chip unit. The photovoltaic cells are electrically connected with each other in a selected one of the following arrangements: connection in series, connection in parallel, and connection in both series and parallel, via corresponding ones of the first and second electrical terminals. | 10-06-2011 |
20110248616 | LIGHT EMITTING DIODE AND LIGHT SOURCE MODULE INCORPORATING THE SAME - A light emitting diode (LED) includes an LED chip, a casting, two metallic electrodes and a heat sink. The casting includes a first surface, a second surface and an outer peripheral side surface interconnecting the first and second surfaces. The casting defines a receiving space concaved inwardly from the first surface for receiving the LED chip therein. A through hole is defined in the casting and extends from the receiving space to the second surface. The metallic electrodes are separated from each other. Each metallic electrode includes a first terminal electrically connecting with the LED chip, and a second terminal disposed at the outer peripheral side surface of the casting. The heat sink is filled in the through hole and thermally contacts the LED chip. The heat sink is thermally and electrically insulated from the metallic electrodes by the casting. | 10-13-2011 |
20110255273 | LED LAMP - An LED lamp includes a lamp post, an illumination unit fixed on the lamp post, and a generator disposed in the lamp post and coupled to the illumination unit electrically. The lamp post defines an airflow passage along a longitudinal direction thereof. The airflow passage communicates with an outer environment. The generator is adapted for converting wind energy to electric energy, and includes a rotary turbine arranged in the airflow passage. The rotary turbine includes a hub and a plurality of blades around the hub. Each of the blades includes a top face and an opposite bottom face. The top face and the bottom face are symmetric to a plane which extends through opposite connecting edges of the top and bottom faces and is perpendicular to a rotary axis of the turbine. | 10-20-2011 |
20110259393 | COLLAPSIBLE SOLAR CELL MODULE - A solar cell module includes a number of solar cell panels and a number of connecting elements connecting to the solar cell panels. The solar cell panels are collapsibly connected by the connecting elements. Due to the collapsible function, a volume of the solar cell module can be reduced, thereby simplifying transport of the solar cell module. | 10-27-2011 |
20110261522 | ELECTRONIC APPARATUS HAVING AUXILIARY LIGHTING FOR ILLUMINATION - An electronic apparatus includes a mainframe with a keyboard embedded therein, a mounting frame pivotally connected with the mainframe, a display screen mounted in the mounting frame, a lighting source disposed on the mounting frame, and an optical element cooperating with the lighting source and slideably mounted on the mounting frame. Light from the lighting source is projected to different predetermined areas by adjusting positions of the optical element relative to the lighting source. In each of the positions of the optical element, the light from the lighting source is modulated by a corresponding portion of the optical element to be projected to a corresponding predetermined area. | 10-27-2011 |
20110305015 | LED ILLUMINATION LAMP AND LED ILLUMINATION UNITS THEREOF - An LED illumination unit includes a substrate, a plurality of LEDs mounted on the substrate and arranged in rows and columns to form an LED array, and a corresponding number of plate-type light reflectors mounted on the substrate. The LED array has a center and a symmetrical axis across the center. The LEDs is arranged symmetrically on the substrate with respect to the symmetrical axis. Each light reflector is paired with an LED and disposed immediately adjacent to the LED. Each light reflector has a light reflecting surface facing the LED. The light reflectors each defines a mounting angle relative to the symmetrical axis, and the mounting angle is an angle from 0 to 90 degrees. An LED illumination lamp incorporating a plurality of the LED illumination units is also disclosed. | 12-15-2011 |
20110316418 | INDOOR ILLUMINATING DEVICE - An indoor illuminating device includes at least one lamp and a housing. The at least one lamp includes a heat sink and a light emitting portion. The housing includes opposite top wall and bottom wall. The bottom wall defines at least one opening corresponding to the at least one lamp. The heat sink is received in the housing, and the light emitting portion of the at least lamp exposes out of the housing through the at least one opening. The housing further defines a first ventilation opening and a second ventilation opening. The heat sink of the at least one lamp is disposed in an airflow path between the first and second ventilation openings. | 12-29-2011 |
20120001530 | LED LAMP - A lamp includes a shell and an LED bulb including a heat sink enclosed by the shell. The shell defines at least a hole at a lower portion of the shell and at least an aperture at an upper portion of the shell. The LED bulb includes a heat sink enclosed by the shell. At least an LED is mounted at a bottom of the heat sink. The heat sink includes a plurality of fins extending from top to bottom. The fins define a plurality of channels therebtween. The channels are in flow communication with at least hole and the at least aperture of the shell. | 01-05-2012 |
20120007522 | ILLUMINATION DEVICE - An illumination device configured to diffuse essential oils includes a plurality of light emitting diodes, a heat dissipation module, a thermal detector, and a controller. The heat dissipation module is thermally connected to the light emitting diodes. A receiving part is defined in the heat dissipation module. The receiving part is configured for receiving essential oils. The thermal detector is adjacent to the receiving part and configured for detecting a temperature of the essential oils. The controller is electrically connected to the light emitting diodes and the thermal detector. The essential oils are heated by the heat generated by the light emitting diodes through the heat dissipation module. The temperature of the essential oils is controlled by the controller according to a thermal signal from the thermal detector. | 01-12-2012 |
20120015462 | METHOD OF MANUFACTURING LED MODULE - A method for manufacturing an LED module, including steps of: providing a heat conductive plate and an LED die, the heat conductive plate defining a concave groove therein; forming an electrode circuit layer on the heat conductive plate around the concave groove; plating one metal layer on a bottom of the concave groove of the heat conductive plate, and plating another metal layer on the LED die; eutectically bonding the metal layer of the heat conducting plate and the metal layer of the LED die together to form into an eutectic layer; forming electrodes on the LED die, and connecting the electrodes with the electrode circuit layer; and encapsulating the LED die in the concave groove. | 01-19-2012 |
20120019144 | LED LIGHT EMITTING DEVICE - An LED light emitting device includes a lamp housing, an LED light emitting component thermally attached to the lamp housing, a power source driver for providing electric energy for the LED light emitting component, and a temperature sensor attached to the lamp housing for sensing a surface temperature of an outer surface of the lamp housing. When the value of the surface temperature is smaller than a predetermined temperature value, the temperature sensor outputs a control signal to the power source driver to control the power source driver to supply a larger electric current to the LED light emitting component, and the LED light emitting component generates more heat to the lamp housing to increase the surface temperature thereof. | 01-26-2012 |
20120019145 | LED LIGHT EMITTING DEVICE - An LED light emitting device includes an LED light emitting component comprising a visible LED die emitting visible light and an infrared LED die emitting infrared light, a power source driver for providing electric energy for the LED light emitting component, and a temperature sensor for sensing a surface temperature of an outer surface of the LED light emitting component. When a value of the surface temperature is smaller than zero degree Celsius, the temperature sensor outputs a control signal to the power source driver to control the power source driver to supply an electric current to the infrared LED die, whereby the infrared LED die radiates infrared light to melt ice on the outer surface of the LED light emitting component. | 01-26-2012 |
20120025237 | LIGHT EMITTING DIODE STRUTURE - A light emitting diode structure includes an electrically conductive substrate, a first lighting structure having a first n-type semiconductor layer, a first active layer and a first p-type semiconductor layer and a second lighting structure having a second n-type semiconductor layer, a second active layer and a second p-type semiconductor layer. The first n-type semiconductor layer is electrically connected with the second p-type semiconductor layer and the first p-type semiconductor layer is electrically connected with the second n-type semiconductor layer. A first transparent, conductive layer is formed on the first lighting structure and a second transparent, conductive layer is formed on the second lighting structure. The first transparent, conductive layer and the second transparent, conductive layer are connected together to combine the first lighting structure with the second lighting structure. | 02-02-2012 |
20120032573 | LIGHT EMITTING DIODE - An LED comprises a substrate, an LED chip mounted on the substrate, an encapsulation encapsulating the LED chip, and a phosphor layer containing phosphor particles disposed on an outer surface of the encapsulation. A luminous intensity I of light generated by the LED chip and a radiation angle θ are in Lambertian distribution and satisfy following formula: I=I | 02-09-2012 |
20120032589 | LIGHT EMITTING DIODE LAMP - An LED lamp includes a first LED string and a second LED string connected in parallel to each other and a variable resistor connected in series with one of the first and second LED strings. The first LED string provides a first color temperature. The LED string provides a second color temperature difference from the first color temperature. The variable resistor includes a resistance track with resistance coils wound thereon and a slider moveable along the resistance track. When a position of the slider of the variable resistor is changed, an electric current flowing through the one of the first and second strings is changed accordingly to adjust the color temperature of the LED lamp. | 02-09-2012 |
20120032597 | LIGHT EMITTING DIODE LAMP - An LED lamp includes first and second LED strings connected in parallel to each other and a variable resistor interconnected therebetween. The variable resistor includes a resistance track with resistance coils wound thereon and a slider moveable along the resistance track. One portion of resistance of the variable resistor is connected in series with the first LED string, and the other portion of the resistance of the variable resistor is connected in series with the second LED string. When a position of the slider of the variable resistor is changed, a first electric current flowing through one of the first and second strings is increased, while a second electric current flowing through the other one of the first and second strings is decreased, such that the color temperature of the LED lamp is changed accordingly. | 02-09-2012 |
20120043885 | LED LAMP WITH CIRCLING LED MODULES AND ENCAPSULATION - An LED lamp includes at least one LED module, an electrical sleeve configured for electrically connecting with a bulb socket, a heat dissipation element, and an encapsulation covering the at least one LED module. The heat dissipation element is arranged with one end connected to the electrical sleeve and the opposite end exposed. The at least one LED module and the encapsulation encircle the heat dissipation element. | 02-23-2012 |
20120074455 | LED PACKAGE STRUCTURE - An LED package structure includes a heat conductive plate defining a concave groove therein, an LED die received in the concave groove, an eutectic layer sandwiched between the heat conductive plate and the substrate, a transparent encapsulant encapsulating the LED die on the heat conductive plate. The heat conductive plate forms an electrode circuit layer on the heat conductive plate around the concave groove. The LED die forms electrodes electrically connected with the electrode circuit layer. An electrically insulating heat conduction grease filled around the substrate and the eutectic layer. | 03-29-2012 |
20120086341 | ALTERNATING CURRENT LED ILLUMINATION APPARATUS - An alternating current light emitting diode (LED) illumination apparatus includes a heat dissipation plate, a plurality of LED chips, a circuit layer, an encapsulation, at least one electrode located on the heat dissipation plate, and a driving element. The LED chips are categorized into at least two LED chip groups connected in series, and each LED chip group comprises at least two LED chips connected in anti-parallel. The driving element comprises a transformer and a bilateral switch. One end of a first switch of the bilateral switch selectively connects to an output terminal of the transformer to output a selected driving voltage to the LED chips. One end of a second switch of the bilateral switch connects to the first switch and the other end of the second switch selectively connects to a LED chip group or all of the LED chips. | 04-12-2012 |
20120087130 | ALTERNATING CURRENT LED ILLUMINATION APPARATUS - An alternating current LED illumination apparatus includes a heat dissipation plate, a plurality of LED chips arranged on the heat dissipation plate, a circuit layer, an encapsulation, two electrodes located on the heat dissipation plate and exposed out of the encapsulation, and a driving element. The LED chips are thermally connected with the heat dissipation plate, and at least two of the LED chips are connected in anti-parallel. The encapsulation covers the LED chips and at least part of the circuit layer. The driving element comprises a transformer and a switch. The transformer has an input terminal and an output terminal, the input terminal is configured to connect to an alternating current (AC) power source, and the output terminal is electrically connected with the electrodes by the switch. | 04-12-2012 |
20130126922 | LIGHT EMITTING DIODE INCORPORATING LIGHT CONVERTING MATERIAL - An LED includes an LED chip, an encapsulant for encapsulating the LED chip, and a lens attached to the encapsulant. The lens includes a main body, and a light converting unit with a light converting material distributed therein. The main body defines a receiving space facing the LED chip. The light converting unit is received in the main body. Light emitted by the LED chip passes through the light converting unit and then enters into the main body of the lens. The light converting material of the light converting unit changes a wavelength of the light of the LED chip when the light passes through the light converting unit. | 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 |