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Led Light patents



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


Ac led lighting apparatus using voltage edge detector

Controller, a driver circuit and a method for controlling a dimmable led lighting circuit, and a dimmable led lighting…

Occupancy sensor for controlling an led light

Date/App# patent app List of recent Led Light-related patents
07/24/14
20140207046
 Led induced tattoo removal system and method of use patent thumbnailnew patent Led induced tattoo removal system and method of use
An led induced tattoo removal system and method of use that utilizes an ultra bright led having a principal peak with a peak at 640 nm-700 nm for tattoo removal without causing collateral skin damage and without causing pain to a subject is disclosed. The tattoo removal method includes an led, which generates light in a specific range of wavelengths proven to be effective for this purpose.
07/24/14
20140206193
 High resolution printing technique patent thumbnailnew patent High resolution printing technique
A pattern having exceptionally small features is printed on a partially fabricated integrated circuit during integrated circuit fabrication. The pattern is printed using an array of probes, each probe having: 1) a photocatalytic nanodot at its tip; and 2) an individually controlled light source.
07/24/14
20140205498
 Liquid filled light distributor and a method of use patent thumbnailnew patent Liquid filled light distributor and a method of use
The present invention relates to liquid filled light distributor comprising an elongated tubular body with a tube wall defining an in inner lumen filled with a liquid, said tubular body having—a proximal end closed by first closing means—a distal end closed by second closing means. Wherein the proximal end is arranged to be in optical communication with a light source and wherein the refractive index of the tube wall is n1 and the refractive index of the fluid is n2 and n1/n2<1 so that light from the light source travels along the longitudinal direction of the tubular body and that a part of the light is emitted through the tube wall along at least a part of the tubular body.
07/24/14
20140204606
 Candle light led light bulbs patent thumbnailnew patent Candle light led light bulbs
A light bulb includes a light emitting device at the base of the bulb and a light guide (320) that guides the emitted light to a diffusion element (330) above the base of the bulb. The diffusion element is configured to diffuse the light so as to emulate the predominantly radial light distribution pattern produced by a candle.
07/24/14
20140204602
 Led light-source module for an led motor vehicle headlight patent thumbnailnew patent Led light-source module for an led motor vehicle headlight
The invention relates to an led light source module (m1 to m4, m1′ to m4′) for an led motor vehicle headlight (swl, swr), in particular for an led motor vehicle headlight (swl, swr) for generating a dynamic light distribution, wherein the led light source module (m1 to m4, m1′ to m4′) comprises at least one led light source (leq), wherein the at least one led light source (leq) is composed of at least one light-emitting diode (led1, led2), wherein the at least one light-emitting diode (led1, led2) of the at least one led light source (leq) couples light into an associated primary lens element (p1 to p4), wherein the in-coupled light at least partially exits a light exit area (l1 to l4) of the primary lens element (p1 to p4) again, wherein the led light source module (m1 to m4, m1′ to m4′) comprises a secondary lens (s1, s2, s3, s4), which images the light exiting the at least one light exit area (l1 to l4) of the at least one primary lens element (p1 to p4)—when the headlight (sw) is installed in a vehicle—as a light pattern onto a region located in front of the vehicle, and wherein according to the invention a diaphragm assembly (bao) is provided between the at least one light exit area (l1 to l4) of the at least one primary lens element (p1 to p4) and the secondary lens (s1 to s4), the diaphragm assembly (bao) comprising at least one optically effective diaphragm edge (bk1, bk2), which is arranged and/or extends such that undesired distortions occurring in an upper and/or lower region of the light pattern are at least partially suppressed in the light pattern.. .
07/24/14
20140204589
 Led light bulb emitting light rays in a downward direction patent thumbnailnew patent Led light bulb emitting light rays in a downward direction
The present invention relates to an led light bulb emitting light rays in a downward direction comprising a lamp cap, a base, a lamp body and a lamp cover, characterized in that, a reflector assembly is arranged in the center of a spherical cavity of the lamp cover; the reflector assembly is composed of a reflector support and a reflector fastened to the reflector support; the reflector support is composed of a small-diameter upper ring, a large-diameter lower ring, a plurality of poles connecting the upper ring and the lower ring, and a fastener at the bottom of the lower ring for fastening the reflector; the reflector is composed of a trumpet-shaped milky cover and a hook fastener arranged on an inner ring surface of an opening at the bottom of the cover for fastening the fastener of the reflector support.. .
07/24/14
20140204580
 Lighting device and liquid crystal display device having the same patent thumbnailnew patent Lighting device and liquid crystal display device having the same
Provided is a lighting device comprising: a base substrate; a plurality of led light source disposed in a center area of the base substrate in a first direction; and a resin layer stacked in a structure which covers the plurality of led light sources.. .
07/24/14
20140204571
 Led lighting apparatus for use with ac-output lighting ballasts patent thumbnailnew patent 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
20140204368
 Fibre optic distributed sensor patent thumbnailnew patent Fibre optic distributed sensor
There is provided a distributed sensor, comprising a length of optic fibre; an interrogator unit having a detector arranged to detect light from the optic fibre, wherein the interrogator is arranged to provide distributed sensing on the optic fibre and wherein an optical path is defined between the optic fibre and the interrogator detector; a sampler coupled to the optic fibre and arranged to obtain a sample of light from the optical path of the optic fibre; a threshold detector arranged to detect the intensity of the sampled light and determine whether the intensity of the sampled light is above a threshold value; and an optical attenuator provided in the optical path and arranged to attenuate light propagating along the optical path when the intensity of the sampled light is above the threshold value. By attenuating light in the optical path if it is above a threshold value, the sensitive detector in the interrogator unit can be protected..
07/24/14
20140204312
 Led light source and method of manufacturing the same patent thumbnailnew patent Led light source and method of manufacturing the same
After the leds 2 (red leds (r), green leds (g) and blue leds (b), or white leds (w)) are mounted on the frame 3, without dicing the frame 3 for dividing the leds 2 into pieces, the tie bar is punched off to form an electric circuit. Thus, the rgb three primary color led light source 1a or the white led light source 1b that emits light in the state of the frame 3 can be manufactured..
07/24/14
20140204275
new patent Illumination device, display device, and television reception device
A backlight device (24) of the present invention includes: a chassis (22) having at least a bottom plate (22a) that is rectangular in a plan view; a light guide plate (20) that has light-receiving faces (20a), which are side faces, and a rear surface that faces the surface side of the bottom plate (22a); led light sources (28) that are arranged on the surface side of the bottom plate (22a) and that face the respective light-receiving faces (20a); protruding parts that have a protruding shape and spacer parts positioned on the surface side of the bottom plate (22a), facing the light guide plate (20) side; and a reflective sheet (26) that is arranged between the light guide plate (20) and bottom plate (22a). A portion of the end edge of the reflective sheet (26) is a free section (26b) that allows movement in the plate surface direction of the light guide plate (20), and the other end edges are restricted sections (26a) that restrict movement in the plate surface direction of the light guide plate (20) by being held between the respective spacer members and the light guide plate (20)..
07/24/14
20140204214
new patent Apparatus and method for a one touch light security feature in a mobile wireless communication device
A security feature in a handheld electronic wireless communication device, has two switch buttons a and b that are positioned on the bezel of the device that are for increasing/decreasing functions of the device. The device has a led light used for flash light in a camera mode of the device.
07/24/14
20140204111
new patent Layered light field reconstruction for defocus blur
An algorithm may reconstruct defocus blur from a sparsely sampled light field. Light field samples are generated, using stochastic rasterization or ray tracing as examples.
07/24/14
20140203939
new patent Control and monitoring of light-emitting-diode (led) bulbs
A smart light-emitting-diode (led) bulb includes apparatus enabling the bulb to be turned on, off, or dimmed without the use of a wall switch. Such apparatus may include circuitry responsive to rotating the led portion of the bulb, circuitry responsive to touching or tapping on the bulb, or a bluetooth or wifi interconnection enabling the bulb to be controlled using a smartphone or other device executing a bulb-control application.
07/24/14
20140203722
new patent 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
new patent 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
new patent 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
new patent 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
20140203712
new patent Occupancy sensor for controlling an led light
An occupancy sensor for an led module has an occupancy sensing module, a main control module and a current control module. The occupancy sensing module has capability of sensing occupancy status of a specific area.
07/24/14
20140203710
new patent 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.
07/24/14
20140203316
new patent Yellow phosphor layer containing colored beads for adjusting its perceived off-state color
Led dies, emitting blue light, are provided on a first support substrate to form a light emitting layer. A mixture of a transparent binder, yellow phosphor powder, magenta-colored glass beads, and cyan-colored glass beads is printed over the light emitting surface.
07/24/14
20140201978
new patent Gradient optics for even light distribution of led light sources
Gradient optics for even light distribution of led light sources. In an aspect, an apparatus is provided for uniform distribution of light emitted from a light source.
07/17/14
20140198527
Visual media soft light system
Improved soft lighting systems for the arts, media, and entertainment industry are disclosed. In certain aspects, the systems employ one or more edge-lit led light guide panels using high flux, optical grade, and/or binned leds to produce higher quality, uniform, diffused soft visual media light.
07/17/14
20140198510
Methods and systems for truck bed led light strip with led flashlights
A modular in-bed lighting system with detachable flashlights for use with trucks having an open bed or one covered by a shell. The support member mounted on the side walls of the truck and across the front wall of the bed such that the lights are below the top surface of the side walls.
07/17/14
20140198507
Compact light-mixing led light engine and white led lamp with narrow beam and high cri using same
A directional lamp comprises a light source, a beam forming optical system configured to form light from the light source into a light beam, and a light mixing diffuser arranged to diffuse the light beam. The light source, beam forming optical system, and light mixing diffuser are secured together as a unitary 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
20140197740
Led light source
A led light source comprises a first rectifier (db1) having input terminals coupled to an ac voltage source and output terminals connected by a first series arrangement comprising n led loads and further comprises circuitry (i1, i2, i3, cc) for making the led loads one by one carry a current when the momentary value of the ac voltage increases and one by one stop carrying a current when the momentary value of the ac voltage decreases. The led light source also comprises a second rectifier (db2) having input terminals coupled to the ac voltage source via a reactive element and led1 led2 led3 output terminals connected by a second series arrangement comprising m led loads and further comprises circuitry (i4) for making the led loads one by one carry a current when the momentary value of the ac voltage present at the input terminals of the second rectifier increases and one by one stop carrying a current when the momentary value of the ac voltage decreases..
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.
07/17/14
20140197727
Flexible led display screen
A flexible led display screen is disclosed. The led display screen includes a screen cloth, a plurality of rear pressure plates and a plurality of led unit modules, wherein each module includes a housing, a light plate, a face shield and a plurality of led lights which are arranged on the light plate in a array with at least two rows and two columns, the light plate is provided between the housing and the face shield, each module is connected to the front side of the screen cloth; the plurality of rear pressure plates are provided on the rear side of the screen cloth, each plate is opposite to each module respectively, a fixing hole is provided in the screen cloth, and a fixing member passes through the fixing hole to fix the rear pressure plates and the led unit modules on two sides of the screen cloth..
07/17/14
20140196328
Edge lit sign incorporating a mirror
A very thin edge lit sign is described using a mirrored acrylic sheet or similar material. The mirrored side is engraved to create an image and the reverse side is painted any color desired to provide illumination in the engraved areas.
07/10/14
20140192557
Edge-lit backlight module
Disclosed is an edge-lit backlight module having a rectangular back panel with a reflective microstructure, and a first light portion with an inclined plane or a camber is provided for reflecting lights emitted from a plurality of leds and with a relatively smaller normal included angle, and a second light portion is provided for reflecting a light with a slightly greater included angle, and a third light portion is provided for reflecting the light with the greatest included angle to guide lights of different intensities to different paths and project the lights to every position of a front panel, so as to achieve a light extraction efficiency with a uniform distribution of luminous intensity of an led light source.. .
07/10/14
20140192550
Luminaire
The invention relates to a luminaire that enables the use of more sparsely distributed light sources, having a uniform fixture surface brightness and good color mixing. The luminaire comprises first and second light guide layers (10, 11) optically coupled together by at least one optical coupler (12a, 12b), which allows the passage of light from the first (10) to the second light guide layer (11).
07/10/14
20140192547
Low profile highly efficient vehicular led modules and headlamps
A vehicle lighting module is provided that includes a lens having a plurality of near-field lens elements, an input surface, and an exit surface. The lighting module also includes an led light source that directs incident light through the input surface and out of the exit surface.
07/10/14
20140192546
Vehicular light guides and assemblies with uniform illumination
A light guide is provided that includes a light chamber defined by isotropically luminant top, bottom, and back surfaces, and a front surface having a translucent lens. The light guide also includes a reflective diaphragm within the chamber that defines a top gap between the diaphragm and the top surface, and a bottom gap between the diaphragm and the bottom surface.
07/10/14
20140192545
Aerodynamic spoiler for pickup truck with led lights
An aerodynamic spoiler adapted to be mounted on the tailgate of a pickup truck to enhance under certain driving conditions and to reduce turbulence in the cargo box and having led lights having the functions of brake light, signal turn light, reverse light, and tail light, with power and signals fed from the original lights within the truck.. .
07/10/14
20140192527
Integrated led-based luminaire for general lighting
Lighting apparatus and methods employing led light sources are described. The led light sources are integrated with other components in the form of a luminaire or other general purpose lighting structure.
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
20140192405
Adjustable collimator for coupling a light guide to a microscope
A solid state illumination system is provided as a replacement for conventional arc light, metal halide and xenon white-light sources for applications in life sciences including, microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from led light sources.
07/10/14
20140191682
Led light control and management system
An led light and communication system is in communication with a broadband over power line communications system. The led light and communication system includes at least one optical transceiver light fixture.
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
20140191674
Dimmable led light fixture having adjustable color temperature
Electronic circuitry for color-mixing in an led light fixture during ac power dimming is disclosed to achieve adjustable color temperature. According to one embodiment, a dimmable led light fixture has first, second, and third led light sources, the first and second led light sources producing white light, the third led light source producing colored light, the led driver configured to power the led light sources by providing a single-channel variable-dc current source having two output terminals, and a current regulator for maintaining the current in the third led light source path substantially constant as the led driver output current is decreased when the ac power is reduced by the dimmer module, thereby altering the color of the light produced by the combination of the led light sources..
07/10/14
20140191670
Circuit for adjusting led current
Provided is a circuit for adjusting light-emitting diode (led) current; the circuit comprises: a single-output constant current source (21), a multi-path led output circuit (22) and a control bus (20) connected to the multi-path led output circuit (22); any given led output circuit comprises: a load circuit (23), an adjustment circuit (24), a current regulation circuit (25) and an adjustment control circuit (26). The circuit for adjusting led current provided in the technical solution of the present invention adjusts the current of each led output circuit via the load circuit, the adjustment circuit, the current regulation circuit and the adjustment control circuit, thus adjusting characteristic parameters such as color, color temperature, color rendering index, brightness and the like of the led light source, thereby avoiding the problem of high cost caused by using multi-path constant current dc/dc circuit to adjust the current of each path..
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
20140191659
Led lamp control circuit
An led lamp control circuit comprises a rectifier circuit, an led light source load, a constant current circuit, and a first temperature detect switch circuit. The led light source load comprises at least one group of leds.
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.. .


Popular terms: [SEARCH]

Led Light topics: Scattering, Light Guide, Led Light Bulb, Distributed, Modulation, Microscopy, Led Lighting, Refraction, Circuit Board, Led Circuit, Reference Voltage, Notification, Light Guide Plate, Led Substrate, Cross Section

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This listing is a sample listing of patent applications related to Led Light 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 Light with additional patents listed. Browse our RSS directory or Search for other possible listings.
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