FreshPatents.com Logo
Enter keywords:  

Track companies' patents here: Public Companies RSS Feeds | RSS Feed Home Page
Popular terms

[SEARCH]

Led Lighting topics
Led Lighting
Lighting Fixture
Notification
Lighting Apparatus
Control Unit
Circuit Board
Heat Exchanger
Heat Exchangers
Air Conditioning
Distributed
Led Device
Longitudinal Direction
Liquid Cooling
Signal Processing
Reflective Coating

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Led Lighting patents



      
           
This page is updated frequently with new Led Lighting-related patent applications. Subscribe to the Led Lighting RSS feed to automatically get the update: related Led RSS feeds. RSS updates for this page: Led Lighting RSS RSS


Led lighting assemblies with thermal overmolding

Light emitting diode light bulb and incandescent lamp conversion apparatus

Date/App# patent app List of recent Led Lighting-related patents
08/28/14
20140240990
 Led lighting device patent thumbnailnew patent Led lighting device
The present invention relates to an led lighting device comprising: a power case main body wherein one side is opened to form a receiving space inside, and a lamp terminal is provided to be electrically connected to a lamp socket on an end of the other side; a main body heat sink which surrounds a part or most of an outer circumference of the power case main body, and is combined to one side of the open power case main body; a plurality of lamp heat sinks which are protruded and combined to contact one side of the main body heat sink to conduct heat with the main body heat sink and forms a radiation structure around a central shaft formed according to a protruded direction; and a main led module which contacts and is combined to an outer side end in a radiation direction of the lamp heat sink to conduct the heat with the lamp heat sink.. .
08/28/14
20140240984
 Light emitting diode light bulb and incandescent lamp conversion apparatus patent thumbnailnew patent Light emitting diode light bulb and incandescent lamp conversion apparatus
Apparatus and methods separate the functions of light emission, heat dissipation, and power conversion in led lighting. Doing so may facilitate cost-effective led lighting and enable the conversion of existing incandescent lamps to led service.
08/28/14
20140239848
 Dynamic light emitting device (led) lighting control systems and related methods patent thumbnailnew patent Dynamic light emitting device (led) lighting control systems and related methods
Dynamic light emitting device (led) lighting adjustment systems and related methods are disclosed. In one aspect, a method can receive, at an led lighting fixture, a lighting adjustment signal corresponding to a target lighting level and determine a delta value that represents a difference between a current lighting level of the led lighting fixture and the target lighting level and a step time value associated with the determined delta value.
08/28/14
20140239834
 Led lighting device using ballast patent thumbnailnew patent Led lighting device using ballast
An led lighting device using a ballast may be provided that includes: an led unit which includes at least one led device; a rectifier which rectifies a current power signal output from the ballast; and a current driving unit which receives an output current of the rectifier and controls the power which is transmitted from the ballast to the led unit. The current driving unit transmits current which has a magnitude greater than that of the output current of the rectifier to the led unit..
08/28/14
20140239824
 Led controlling circuit with high power factor and an led lighting device patent thumbnailnew patent Led controlling circuit with high power factor and an led lighting device
The present invention is suitable for an led controlling field, and provides an led controlling circuit with high power factor and an led lighting device. In the present invention, by using an led current controlling circuit with high power factor comprising a plurality of output current controlling modules, a resistor re and a reference voltage generating module, the led groups is driven accordingly in a piecewise manner to be on and a current flows through the led groups according to the input voltage of the led strip, without sampling the input voltage of the led strip by a sampling circuit and without increasing the number of high cost component, which increase the utilization of the led, the power factor of the whole led controlling circuit and the efficiency of the system, thereby solving the problem of low power factor and low efficiency system existing in the prior art..
08/28/14
20140239333
 Led lighting systems with phosphor subassemblies, and/or methods of making the same patent thumbnailnew patent Led lighting systems with phosphor subassemblies, and/or methods of making the same
Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures.
08/28/14
20140237814
 Led lighting assemblies with thermal overmolding patent thumbnailnew patent Led lighting assemblies with thermal overmolding
One or more light emitting diode diodes (leds) are attached to a printed circuit board. The attached leds are connectable with a power source via circuitry of the printed circuit board.
08/21/14
20140233256
 Sunny bright solar lighting patent thumbnailSunny bright solar lighting
Sunny bright solar lighting is an easily mounted roof solar sunpipe that magnifies and concentrates the incoming sun light with an internally mounted and focused nonimaging fresnel lens paired with a kohler concentrator lens in order to magnify and concentrate the focused intense sun light onto a fiber optic illumination systems glass plate, used for solid core fiber optic lighting cables, and a bundle of seven 14 mm solid core endglow plastic fiber optic cables that carries only light waves in a visible light spectrum to seven different rooms that are up to thirty three feet away from the roof mounted sunny bright solar tube. Each fiber optic cable has an easily installed adjustable light aperture with diffuser on the end in order to dim or turn off each light independently this would allow sunny bright solar lighting to bring the suns light into any desired room during the day and at night the 110v led lighting array that is internally mounted in the sunny bright solar tube would replace the sunlight to continue lighting the seven different rooms..
08/21/14
20140233225
 Led lighting module, led lighting system and led lighting retrofit kit patent thumbnailLed lighting module, led lighting system and led lighting retrofit kit
The present document describes a led lighting module forming part of a led lighting system comprising a troffer, the led lighting module comprising: a mounting surface comprising a first end and a second end; light emitting diodes (leds) located on the mounting surface; a led module electrical connector assembly located proximate the first end, the led module electrical connector assembly for releasably connecting to an electrical retrofit connector assembly located proximate a first end of the troffer, the led module electrical connector assembly for electrically connecting to the leds; and a led module mechanical connector assembly located proximate the second end for releasably connecting to a mechanical connector assembly located proximate a second end of the troffer, the led module mechanical connector assembly for releasably and mechanically connecting the led lighting module to the troffer.. .
08/21/14
20140232284
 Led drive circuit with a programmable input for led lighting patent thumbnailLed drive circuit with a programmable input for led lighting
A led drive circuit according to the present invention comprises a controller and a programmable signal. The controller generates a switching signal coupled to switch a magnetic device for generating an output current to drive a plurality of leds.
08/21/14
20140232272
Led lighting system
A controller for a system is provided. The controller includes an intelligent control having a memory and a wireless transceiver.
08/21/14
20140232270
Led driving device and led lighting apparatus
The present invention supplies desired dc output power to a first led load and a second led load whose color temperature is different from that of the first led load, includes a switching element, ripple current reducers series-connected to the respective led loads and for reducing current ripples flowing through the led loads, and a control circuit for controlling the dc output power so that it has a predetermined value, by performing on-off control of the switching element based on a feedback voltage at a connecting point between each of the led loads and a corresponding one of the ripple current reducers. Each ripple current reducer has feedback-type constant current control circuits for performing control for varying impedance, and the present invention also includes color controllers for performing color control by maintaining a total led current value of the first and second led loads at a certain value..
08/14/14
20140226341
Diffusion globe led lighting device
Disclosed is a lighting fixture that provides approximately even illumination across a planar surface. Also enclosed is an led light for producing the same.
08/14/14
20140226340
Led lighting device
A led lighting device comprises a lampshade, a thin aluminum heat dissipating plate, and a led lighting component. The lampshade has an opening portion.
08/14/14
20140226336
Smart led light device with light color automatically changeable
A smart led lighting device with light color automatically changeable comprises a led lighting component, a driving motor, and a rotary light filtering member. The led lighting component has a light emitting surface.
08/14/14
20140226334
Led lighting device and method for making the same
An led lighting device and a method for making the led lighting device are provided. A pcb board is configured over a cooling substrate provided on top of a metallic heat-dissipation lamp cup.
08/14/14
20140226316
Modular led lighting system
This disclosure relates to led based lighting systems, such as surface mounted lighting systems and lighting systems that can connected to an existing grid structure. These lighting systems can be utilized in many settings, for example, as primary lighting systems for a commercial building and for retrofit lighting improvement purposes.
08/07/14
20140218943
Aluminum printed circuit board for lighting and display backplanes
Disclosed herein are metal printed circuit boards, particularly aluminum based printed circuit boards. Also disclosed are methods of making the metal printed circuit boards.
08/07/14
20140218942
Cooling structure for led lighting device and light emitting module having the same
Provided are a cooling structure for an led lighting device and a light emitting module having the same. The cooling structure for an led lighting device according to the present invention has a structure in which an led module is disposed in a tray-shaped heat sink coupled with a lower portion of a lighting box having an led module disposed therein to block the lower portion of the lighting box and perforated with a ventilation hole to make external air flow therein, thereby discharging heat generated from the led module through the heat sink.
08/07/14
20140218922
Lighting method for an led lighting apparatus
The present invention relates to a lighting method for an led lighting apparatus, in which e.g. An led for illuminating an edge of a light distribution pattern far away from a street lamp has a relatively larger illumination angle and a smaller radiation angle, and an led for illuminating the center of a light distribution pattern near the street lamp and an edge of a light distribution pattern adjacent to the street lamp has a relatively smaller illumination angle and a smaller radiation angle.
08/07/14
20140218892
Wide emission angle led package with remote phosphor component
An improved approach is provided for implementing led lighting systems and lamps that address the issues identified above. A new type of led package is disclosed that reduces manufacturing and production costs, while simultaneously allowing for improved thermal management and wide angle light distribution.
08/07/14
20140218039
Led lighting device and a method to verify its lifespan
The present invention provides an led lighting device and a method for verifying the device's lifespan. The led lighting device includes multiple led light sources, a controller configured to keep time for the led lighting device's lifespan; a low voltage dc power source configured to supply power; a light intensity sensor configured to capture illuminance data; and a display terminal configured to display received data.
08/07/14
20140217925
Input voltage transfer apparatus for light emitting diode lighting system
An input voltage transfer apparatus for an led lighting system is provided. The input voltage transfer apparatus includes a source voltage storage unit, a zero voltage switching unit, and a nonzero voltage switching unit.
08/07/14
20140217919
Led lighting device and illuminating device
According to one embodiment, an led lighting device comprises at least one normally-on type switching element, an output generation unit that generates dc output by an on-off operation of the switching element, a semiconductor light emitting element that is lit by the dc output generated by the output generation unit, and a driving control unit that causes the switching element to perform an off operation using a current passed through the semiconductor light emitting element.. .
08/07/14
20140217908
Light-emitting diode lighting device with adjustable current settings and switch voltages
An led lighting device includes a first luminescent device, a second luminescent device, a first current controller and a second current controller. The first current controller is coupled in parallel with the first luminescent device and configured to operate according to a first current setting, a switch-on voltage and a switch-off voltage.
08/07/14
20140217903
Networked, wireless lighting control system with distributed intelligence
A programmable lighting control system integrates time-based, sensor-based, and manual control of lighting and other loads. The system includes one or more groups of controlled lighting areas, which may be, e.g., floors of a building.
08/07/14
20140217889
Led lighting
An led light includes a light body; an led light board disposed in the light body and disposed thereon a plurality of led dies; at least one battery coupling member, which is a detachable battery carrier, disposed at an outside edge of the light body for accommodating therein a battery device which is a replaceable element; and a power switch control circuit disposed in the light body and electrically coupled to an alternate current source, the at least one battery coupling member and the led light board so that either of an alternate current received from the alternate current source and a direct current received from the battery device is transmitted to the led light board. The replaceable battery device disposed at the outside edge of the light body and used as a backup power supply for emergency illumination is simple in structure and low in cost..
07/31/14
20140211470
Led lighting fixture
An led light fixture including a frame defining a forward open region and a rearward region with a rearmost portion adapted for securement to a support member. An led assembly is secured with respect to the frame and positioned within the open forward region with open spaces remaining therebetween.
07/31/14
20140210373
Programmable led lighting device and method
The invention relates to a lighting device and method, in particular underwater, including: a plurality of spotlights comprising at least one light source nude up of a set of leds, the spotlights being connected to an electric power source; and at least one control housing connected to said power source and communicating with each one of the spotlights, said control housing being provided with a cut-off device configured to transmit control instructions via a power cut-off member to the spotlights, which are provided with an on-board detector having a microprocessor configured such as to interpret said control instructions and to adjust a signal capable of modifying the colour of each one of the leds that make up the set of leds, characterised in that the control instructions transmitted by the cut-off device are transmitted in the form of a code made up of combinations of power cut-offs with various durations.. .
07/31/14
20140210357
Adjusting color temperature in a dimmable led lighting system
A led lighting system, such as a dimmable led lamp, that may simulate the performance of an incandescent bulb. Led strings of different colors may be connected to the output of a single led driver that regulates an overall intensity of light produced by the led lighting system.
07/31/14
20140210352
Driving circuitry for led lighting with reduced total harmonic distortion
Conditioning circuits are provided for driving two or more led groups using a rectified ac input voltage. The conditioning circuits uses analog circuitry to gradually and selectively activate the led groups based on an instantaneous value of the rectified input voltage.
07/31/14
20140210332
Led lighting assembly and an led retrofit lamp having the led lighting assembly
An led lighting assembly may include a printed circuit board with an led chip, and a heat sink thermally conducted with the printed circuit board, wherein the led lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the led chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface.. .
07/24/14
20140204571
Led lighting apparatus for use with ac-output lighting ballasts
An apparatus for interfacing a ballast to at least one light emitting diode (led) includes a passive rectifier circuit and matching circuit coupled to an input port and/or an output port of the passive rectifier circuit and configured to at least partially match an impedance of the ballast.. .
07/24/14
20140203722
Ac led lighting apparatus using voltage edge detector
An ac led lighting apparatus using a voltage edge detector is provided. The ac led lighting apparatus includes: a rectification unit configured to rectify an ac voltage to output a dc rectified voltage; an led unit including a first light emitting group and a second light emitting group each including at least one led; and an led driving control unit configured to control a serial/parallel connection relationship between the first light emitting group and the second light emitting group by comparing a voltage level of the rectified voltage input from the rectification unit with a reference voltage.
07/24/14
20140203718
Ac led lighting apparatus using voltage edge detector
Exemplary embodiments of the present invention disclose an alternating current (ac) light emitting diode (led) lighting apparatus including a rectification unit configured to receive an ac voltage and output a dc rectified voltage, an led unit connected to the rectification unit, the led unit comprising at least two light emitting groups, each light emitting group comprising at least one led, and an led driving control unit connected to the rectification unit, the led driving control unit configured to establish a series or parallel connection between the light emitting groups, by comparing a voltage level of the rectified voltage with a reference voltage. The led driving control unit is configured to calculate a reference voltage adjustment value in order to compensate for a signal processing delay of the led driving control unit..
07/24/14
20140203715
Controller, a driver circuit and a method for controlling a dimmable led lighting circuit, and a dimmable led lighting circuit
A driver and lighting circuit also disclosed, as is a method for controlling a dimmable lighting circuit.. .
07/24/14
20140203714
Led lighting apparatus for use with ac-output lighting ballasts
A lighting apparatus includes at least one light emitting diode (led) and a passive resonant converter circuit having an output coupled to the at least one led and an input configured to be coupled to a ballast that produces an ac output. The passive resonant converter circuit may include a combination of a passive rectifier circuit, such as a passive diode bridge, and a resonant circuit, such as a cl resonant circuit.
07/24/14
20140203710
Swimming pool led lighting system and method using proprietary frequency-shift keying over 2-wire power cord
A system for controlling a lamp comprises a central controller having a waveform converter capable of modulating a control signal at more than one frequency over a two wire power cable. The control signal is capable of modifying a property of the lamp.
07/17/14
20140198499
Led lighting apparatus with flexible light modules
The present disclosure involves a street light. The street light includes a base, a lamp post coupled to the base, and a lamp head coupled to the lamp post.
07/17/14
20140197751
Spectral shift control for dimmable ac led lighting
Apparatus and associated methods involve operation of an led light engine in which a relative intensities of selected wavelengths shift as a function of electrical excitation. In an illustrative example, current may be selectively and automatically diverted substantially away from at least one of a number of leds arranged in a series circuit until the current or its associated periodic excitation voltage reaches a predetermined threshold level.
07/17/14
20140197749
Ac led lighting apparatus using voltage edge detector
An ac led lighting apparatus using a voltage edge detector is provided. The ac led lighting apparatus includes: a rectification unit configured to rectify an ac voltage to output a dc rectified voltage; an led unit including a first light emitting group and a second light emitting group each including at least one led; and an led driving control unit configured to control a serial/parallel connection relationship between the first light emitting group and the second light emitting group by comparing a voltage level of the rectified voltage input from the rectification unit with a reference voltage.
07/17/14
20140197748
Led lighting tube
The led lighting tube that is compatible with an electronic ballast has two snubber circuits, a waveform conversion circuit, and at least one led light string. The snubber circuits are connected to terminals of the led lighting tube, and input terminals of each snubber circuit are connected to electrode pins of a corresponding terminal, and each snubber circuit has at least one resistor connected in series between the electrode pins of the corresponding terminal.
07/17/14
20140197741
Led lighting apparatus
When an led lighting apparatus which is a lighter load than an incandescent lamp or halogen lamp is connected to a dimmer, a malfunction may occur. The invention prevents the occurrence of such malfunction without defeating the purpose of low power consumption of the led lighting apparatus.
07/17/14
20140197738
Light socket for series led lighting
Electrical and mechanical connection for a series connected led lamp to an appropriate electrical circuit. The circuit contains additional series connected light producing elements.
07/10/14
20140192512
Chemical glow devices with led lighting
The performance of chemical glow lights is enhanced by the provision of a battery-powered light-emitting diode (led). The led can be provided inside a pouch containing chemicals which, when mixed together, produce a glowing light.
07/10/14
20140191675
System and method for controlling a light emitting diode fixture
One embodiment in accordance with the invention can include a circuit for controlling a light emitting diode (led) lighting fixture via a power line. The circuit can include a power switch coupled to the power line and is for outputting a firing angle.
07/10/14
20140191668
Retractable lighting fixture
Disclosed is a retractable lighting fixture having a retractable led lighting layer. One or more optical layers (40, 240a/b, 340a/b, 440) may optionally be provided over the led lighting layer (30, 230, 330, 430).
07/10/14
20140191662
Led lighting system and controlling method using the same
A led lighting system and a controlling method using the same is disclosed. In accordance with the present invention, a central controller extracts an id information assigned to each of one or more led lighting devices using a power line communication and classifies the extracted id information into id groups according to a user command by assigning a management information thereto to enable controlling of the one or more led lighting devices based on the management information..
07/10/14
20140191201
Apparatus and method for making oled lighting device
An apparatus for depositing one or more organic material layers of an oled lighting device upon a first region of a substrate and one or more conducting layers upon a second region, wherein the conducting layers partially or completely cover and extend beyond one side of the organic layers, comprising: a reusable mask in contact with the substrate, at least one mask open area having an overhang feature; one or more sources of vaporized organic material, selected to form layers of the oled lighting device, and the vaporized organic material plume is shaped, on the side corresponding to the mask overhang feature, so as to limit substantial transfer of organic material on said side to angles less than or equal to a selected cutoff angle to the first region; and one or more sources of vaporized conducting material that transfer conducting material to the second region, wherein the second region partially or completely overlaps the first region and extends beyond the first region on the side corresponding to the overhang feature of the mask.. .
07/10/14
20140191200
Apparatus and method for making oled lighting device
An apparatus for depositing one or more organic material layers of an oled lighting device upon a first region of a substrate and one or more conducting layers upon a second region, wherein the conducting layers partially or completely cover and extend beyond one side of the organic layers, comprising: a reusable mask in contact with the substrate, at least one mask open area having an overhang feature; one or more sources of vaporized organic material, selected to form layers of the oled lighting device, and the vaporized organic material plume is shaped, on the side corresponding to the mask overhang feature, so as to limit substantial transfer of organic material on said side to angles less than or equal to a selected cutoff angle to the first region; and one or more sources of vaporized conducting material that transfer conducting material to the second region, wherein the second region partially or completely overlaps the first region and extends beyond the first region on the side corresponding to the overhang feature of the mask.. .
06/26/14
20140177913
Enhanced contrast for object detection and characterization by optical imaging
Enhanced contrast between an object of interest and background surfaces visible in an image is provided using controlled lighting directed at the object. Exploiting the falloff of light intensity with distance, a light source (or multiple light sources), such as an infrared light source, can be positioned near one or more cameras to shine light onto the object while the camera(s) capture images.
06/26/14
20140177226
Led lighting apparatus with facilitated heat transfer and fluid seal
Led lighting apparatus including (a) a circuit board which has a plurality of light sources spaced thereon, (b) a heat sink to which the circuit board is thermally coupled, and (c) a securement structure which includes a rigid peripheral structure applying force along a peripheral area of the circuit board toward the heat sink to increase the thermal coupling therebetween to facilitate heat transfer from the light sources during operation. The lighting apparatus may also include an optical member with a plurality of lens portions over corresponding light sources and a peripheral region, the securement structure engaging the peripheral region which sandwiches a gasket against the heat sink.
06/26/14
20140177209
Linkable linear light emitting diode system
A linkable linear light emitting diode (led) system provides apparatus and method for mechanically, optically, and electrically linking multiple led modules disposed over a wide and separated area of a ceiling system. Openings can be cut in ceiling tiles of a drop ceiling system and the led lighting modules are coupled to the tile through the opening, with the tile being sandwiched between different portions of the module.
06/26/14
20140176009
Led lighting system
An led lighting system is provided for connection to a variable power source providing input power, the led lighting system having at least one power analyzing and processing circuitry connecting to the variable power source, and being configured to identify one or more characteristics of the input power, where the characteristics are selected from amplitude, frequency and pulse width of the input power, compare one or more of the characteristics of the input power to preset control criteria either in hardware or software or both to yield a comparison result, and then control the current control circuitry according to the comparison result.. .
06/26/14
20140175999
Led lighting device and driving method for the same
It is provided an led lighting device calibratable to 0 to 100% of wide range about a chromaticity and luminance of a illumination light by a simple configuration, and a driving method for the led lighting device. The led lighting device is provided with a first light-emitting unit and a second light-emitting unit differing a color temperature mutually, and a control circuit for executing a cyclic light/quench control of the first light-emitting unit and the second light-emitting unit, and for executing a light control of the first light-emitting unit and the second light-emitting unit by a pnm (pulse number modulation) control in a fixed cycle so as to have a lighting period ton for lighting/quenching the first light-emitting unit and the second light-emitting unit complementarily, and a quenching period toff for quenching both the first light-emitting unit and the second light-emitting unit..
06/26/14
20140175996
Led lighting apparatus with improved total harmonic distortion in source current
The led lighting apparatus includes: a rectification block; an led block including a first light emitting group and a second light emitting group; a charging/discharging block configured to charge electric charges in a charging period, and discharge electric charges in a discharging period; a driving control unit configured to determine a voltage level of a rectified voltage, controls a path selection switch to connect the rectification block to the led block and controls the charging/discharging block to charge electric charges in the charging period, and controls the path selection switch to connect the rectification block to a ground and controls the charging/discharging block to discharge electric charges from the charging/discharging block to the led block in the discharging period; and a path selection switch configured to connect the rectification block to the led block in the charging period, and connect the rectification block to the ground in the discharging period.. .
06/26/14
20140175991
Presence sensor-controlled lighting apparatus
A lighting apparatus, in particular a table lamp, includes a light source; a power and control device connected to the light source; and a power line for powering the light source and the power and control device by means of a power unit; the power and control device being designed: to turn the light source off after a first predetermined time interval in which the presence sensor detects no user presence; and to cut itself and any other electronic devices of the apparatus off from the power supply, by cutting off the power line, after a second predetermined time interval, longer than the first time interval, in which the presence sensor detects no user presence.. .
06/19/14
20140169005
Heat cooling apparatus assembly of led illuminating device having heat pipe and heat sink
The present invention provides the cooling apparatus assembly of the led lighting device, consisting of a led lighting apparatus mounting plate (300), heat pipes (400) that are secured at the opposite surface to the surface where the lighting apparatus is fixed, and heat radiation pins (500) that are mechanically pressed and fixed to the heat pipes. On the mounting plate (300) of said led lighting apparatus, at least one fixing hole (320) is provided and the heat pipes (400) are fixed rearward by the binding bolt (310), perpendicular to the mounting plate.
06/12/14
20140160726
Lighting device
A lighting device may include a circuit board, at least one led lighting chip provided on one side of the circuit board, and a phosphor layer arranged to enclose the led lighting chip, wherein the phosphor layer has different thicknesses at different light emergence angles.. .
06/12/14
20140159591
Direct-current power supply device and lighting apparatus
According to one embodiment, a direct-current power supply device and an led lighting apparatus are provided in which arc discharge is more certainly detected and versatility can be improved. The direct-current power supply device includes a constant-current circuit, a voltage detection unit, a current detection unit and a control unit.
06/12/14
20140159584
Spectral shift control and methods for dimmable ac led lighting
Apparatus and associated methods involve operation of an led light engine in which a relative intensities of selected wavelengths shift as a function of electrical excitation. In an illustrative example, current may be selectively and automatically diverted substantially away from at least one of a number of leds arranged in a series circuit until the current or its associated periodic excitation voltage reaches a predetermined threshold level.
06/12/14
20140159583
Method and led apparatus for lighting with led lighting controller
A high efficiency led lighting system with four led modules. Each module has heat sink assemblies arranged in rows.
06/12/14
20140159079
Cost-effective led lighting instrument with good light output uniformity
The present disclosure involves a lighting instrument. The lighting instrument includes a board or substrate, for example, a printed circuit board.
06/05/14
20140153232
Multi-voltage and multi-brightness led lighting devices and methods of using same
A single chip multi-voltage or multi-brightness led lighting device having at least two led circuits. Each of the at least two led circuits having at least two leds connected together in series.
06/05/14
20140153225
Led lighting device
An led lighting apparatus includes: a light source module having an led light source therein; a thermal base coupled with the light source module and configured to receive heat generated by the light source module; a heat-dissipating member coupled with edge regions of the thermal base to discharge heat transferred from the thermal base and having a ventilation unit formed therein for opening a central area of the thermal base so as to facilitate air ventilation; and a power supply unit disposed outside the heat-dissipating member so as to be positioned in a path of air moving toward the heat-dissipating member and configured to supply electric power to the light source module, thereby improving the heat-dissipating efficiency by facilitating the air around the heat-dissipating member and the power supply unit to flow without stagnation and effectively preventing overheating of the power supply unit by cooling the power supply unit.. .
06/05/14
20140152192
Power supply apparatus for led lighting and led lighting apparatus using the power supply apparatus
Disclosed are a power supply apparatus for an led lighting and an led lighting apparatus using the power supply apparatus. The led lighting apparatus includes a power source unit configured to supply a rectified voltage, a voltage converter configured to include at least one first inductor and to convert the rectified voltage, an auxiliary coil configured to include a second inductor and to supply a detection voltage corresponding to the current of the first inductor of the voltage converter, a controller configured to control the current of the voltage converter using a driving pulse generated in response to a control signal and a sensing voltage, and a voltage regulation circuit configured to regulate the detection voltage and to supply the regulated voltage as an operating voltage for the controller..
06/05/14
20140152183
Led lighting apparatus, current regulator for the led lighting apparatus, and current regulation method of the led lighting apparatus
The present invention discloses an led lighting apparatus. The led lighting apparatus includes a converter for transforming rectified voltage in accordance with a switching operation according to a driving pulse and outputting the transformed voltage, a current regulator for generating the driving pulse having a pulse width varied in response to a control signal and the amount of current of the converter and switching the operation of the converter using the generated driving pulse, and a peripheral circuit module for providing the control signal for controlling the dimming of an led lighting..
06/05/14
20140151729
Led lighting devices with quantum dot glass containment plates
A lighting device is provided comprising a chip-on-board (cob) light emitting diode (led) light source, a light source encapsulant, a quantum dot distributed color conversion medium, and a quantum dot glass containment plate. The cob led light source comprises at least one led and defines a light source encapsulant cavity in which the light source encapsulant is distributed over the led.
06/05/14
20140151721
Phase transition cooling in led lighting devices
A lighting device is provided comprising a chip-on-board (cob) light emitting diode (led) light source, a phase transfer fluid disposed in a hermetically sealed phase transfer fluid chamber, a phase transfer fluid wicking structure, a distributed color conversion medium, and a glass containment plate. The color conversion medium is distributed in two dimensions over an emission field of the lighting device within the glass containment plate.
05/29/14
20140146567
Optical element and led lighting device having same
An optical element including a light guide plate and a cone-shaped reflector is provided. The light guide plate has a first surface, a second surface, a first side surface and a second side surface.
05/29/14
20140146540
Led lighting fixture
An led lighting fixture including a one-piece housing portion having a hollow interior cavity defined by a substantially planar interior backwall surface and a surrounding wall extending therefrom to a forward edge. An led illuminator is on the substantially planar interior backwall surface, a backwall being a heat sink for transferring heat away from the led illuminator during operation.


Popular terms: [SEARCH]

Led Lighting topics: Led Lighting, Lighting Fixture, Notification, Lighting Apparatus, Control Unit, Circuit Board, Heat Exchanger, Heat Exchangers, Air Conditioning, Distributed, Led Device, Longitudinal Direction, Liquid Cooling, Signal Processing, Reflective Coating

Follow us on Twitter
twitter icon@FreshPatents

###

This listing is a sample listing of patent applications related to Led Lighting for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Led Lighting with additional patents listed. Browse our RSS directory or Search for other possible listings.
     SHARE
  
         


FreshNews promo



0.784

3405

71 - 0 - 71