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US20120261680 |
LED Array Having Embedded LED and Method Therefor
An LED array comprises a base layer, at least one LED disposed on the base layer, and a diffusion layer including a luminescent material. The diffusion layer covers the at least one LED and the...
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US20110204339 |
ORGANIC LIGHT-EMITTING DIODE LUMINAIRES
There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting...
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US20110204340 |
ORGANIC LIGHT-EMITTING DIODE LUMINAIRES
There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting...
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US20110204338 |
ORGANIC LIGHT-EMITTING DIODE LUMINAIRES
There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting...
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US20130120981 |
Organic Light Emitting Display Panel and Method of Manufacturing the Same
An organic light emitting display panel with improved efficiency and lifespan and a method of manufacturing the same are disclosed. The organic light emitting display panel according to the present...
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US20110121344 |
COLOR CORRECTION FOR WAFER LEVEL WHITE LEDs
A method for fabricating a plurality of LED chips comprises providing a plurality of LEDs and forming a plurality of spacers each of which is on at least one of the LEDs. Coating the LEDs with a...
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US20130056706 |
QUANTUM DOT LED LIGHT SYSTEM AND METHOD
The present disclosure provides methods of using quantum dots or Q dots or a similar nanocrystal to transfer, for example, excess LED light energy in the blue band to the red band where such LEDs...
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US20110102704 |
WHITE LED FOR LIQUID CRYSTAL DISPLAY BACKLIGHTS
A light emitting diode (LED), method for optimizing an LED having characteristics which are tailored for a liquid crystal color filter set, and a liquid crystal display (LCD) using the LED are...
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US20080121917 |
HIGH EFFICIENCY WHITE, SINGLE OR MULTI-COLOR LIGHT EMITTING DIODES (LEDS) BY INDEX MATCHING STRUCTURES
Light emitting diode (LED) structures with an overstructure material having a refractive-index matched to the active layer and ways to produce such materials are disclosed. Various implementations...
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US20120224363 |
TUNABLE REMOTE PHOSPHOR CONSTRUCTS
A solid state lighting comprising: at least one LED element positioned on a top surface of a substrate or a submount; and a polygonal structure comprising a plurality of edges forming a plurality...
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US20130062633 |
LED Array Having Embedded LED and Method Therefor
A light emitting array comprises a submount having a top surface and a bottom surface, and at least one LED at least partially embedded within the submount. The top surface of the submount is in...
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US20120322184 |
BAND OFFSET IN ALINGAP BASED LIGHT EMITTERS TO IMPROVE TEMPERATURE PERFORMANCE
Methods for improving the temperature performance of alInGaP based light emitters. Nitrogen is added to the quantum wells in small quantities. Nitrogen is added in a range of about 0.5 percent to 2...
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US20110037051 |
OPTIMIZATION OF POLISHING STOP DESIGN
The present invention provides a method of fabricating vertical LED structures in which the substrate used for epitaxial layer growth is removed through polishing. The polishing technique used in...
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US20110049545 |
LED PACKAGE WITH PHOSPHOR PLATE AND REFLECTIVE SUBSTRATE
After flip chip LEDs are mounted on a submount wafer and their growth substrates removed, a phosphor plate is affixed to the exposed top surface of each LED. A reflective material, such as silicone...
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US20080135860 |
Rules For Efficient Light Sources Using Phosphor Converted Leds
An LED lamp including an LED and one or more phosphors, wherein for each phosphor, a figure of merit (FOM) defined as the product of (incident LED flux)×(excitation cross-section of the ...
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US20110062470 |
REDUCED ANGULAR EMISSION CONE ILLUMINATION LEDS
A light emitting diode (LED) package includes a support, an LED die mounted on the support, a reflector around the LED die, and a lens over the LED die. The reflector has an angled reflective...
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US20090001399 |
OPTICAL DESIGNS FOR HIGH-EFFICACY WHITE-LIGHT EMITTING DIODES
A method for increasing the luminous efficacy of a white light emitting diode (WLED), comprising introducing optically functional interfaces between an LED die and a phosphor, and between the...
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US20110220943 |
Quantum Dot LED Device And Method
An improved solid-state light source (103) for producing illuminating light (114) generated by interaction of light from an LED source (105) with a quantum dot, in one embodiment located in a well...
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US20120256211 |
METHODS OF FABRICATING LIGHT EMITTING DEVICES INCLUDING MULTIPLE SEQUENCED LUMINOPHORIC LAYERS, AND DEVICES SO FABRICATED
An LED includes a first pedestal and may be fabricated by coating a first phosphor layer on the LED, thinning the first phosphor layer to expose the first pedestal, forming a second pedestal on the...
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US20090242897 |
INDIUM GALLIUM NITRIDE-BASED OHMIC CONTACT LAYERS FOR GALLIUM NITRIDE-BASED DEVICES
Light emitting devices include a gallium nitride-based epitaxial structure that includes an active light emitting region and a gallium nitride-based outer layer, for example gallium nitride. A...
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US20120313120 |
Method For Depositing A Phosphor Layer On LEDs, And Apparatus Made Thereby
A method for depositing a phosphor layer on a light-emitting diode (“LED”) chip includes coating at least a light-emitting side of the LED chip with a phosphor-adhesive material, and applying pho...
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US20120074446 |
PHOSPHOR SHEET, LIGHT-EMITTING DEVICE HAVING THE PHOSPHOR SHEET AND METHOD OF MANUFACTURING THE SAME
Disclosed herein is a light emitting device including: a substrate; a light emitting diode (LED) chip disposed on the substrate; and a phosphor sheet disposed on an upper portion of the LED chip...
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US20120326188 |
REFLECTIVE POCKETS IN LED MOUNTING
An LED device with improved LED efficiency is presented. An LED die is positioned within a pocket formed by a substrate and an opening in a supporting layer arranged thereon. The increase in the...
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US20120187441 |
LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR
A method of manufacturing an LED lighting arrangement, comprises: receiving an optical component having a diffusing material that is light diffusive and at least one photoluminescent material that...
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US20130032837 |
Fluorescent Coating and a Method for Making the Same
Disclosed is a fluorescent coating and a method for making the same. At first, fluorescent powder is mixed with an anti-electrostatic solution. The mixture is cleared of impurities before it is...
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US20080121911 |
OPTICAL PREFORMS FOR SOLID STATE LIGHT EMITTING DICE, AND METHODS AND SYSTEMS FOR FABRICATING AND ASSEMBLING SAME
A preform is attached to a solid state light emitting die. One or more optical elements, such as a photoluminescent element, a refracting element, a filtering element, a scattering element, a...
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US20120261688 |
LED WAVELENGTH-CONVERTING STRUCTURE INCLUDING A THIN FILM STRUCTURE
A wavelength-converting structure for a wavelength-converted light emitting diode (LED) assembly. The wavelength-converting structure includes a thin film structure having a non-uniform top...
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US20110095328 |
CLOSE PROXIMITY COLLIMATOR FOR LED
A method for the manufacture of a light emitting device is provided. The method comprises the steps of: providing a substrate (102) on which at least one light emitting diode (101) is arranged and;...
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US20120248478 |
PIXEL VIA AND METHODS OF FORMING THE SAME
This disclosure provides systems, methods and apparatuses for pixel vias. In one aspect, a method of forming an electromechanical device having a plurality of pixels includes depositing an...
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US20100044738 |
PREPARATION OF ORGANIC LIGHT EMITTING DIODES BY A VAPOUR DEPOSITION METHOD COMBINED WITH VACUUM LAMINATION
A method of fabricating an organic light emitting diode (OLED) is disclosed, which reduces the formation of physical defects in the GLED, comprising the removal of dust particles from a first and a...
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US20120322182 |
LIGHT BLOCKING MEMBER HAVING VARIABLE TRANSMITTANCE, DISPLAY PANEL INCLUDING THE SAME, AND MANUFACTURING METHOD THEREOF
A light blocking member having variable transmittance, a display panel including the same, and a manufacturing method thereof. A light blocking member having a variable transmittance according to...
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US20110189803 |
LED CHIP PACKAGE STRUCTURE IN ORDER TO PREVENT THE LIGHT-EMITTING EFFICIENCY OF FLUORESCENT POWDER FROM DECREASING DUE TO HIGH TEMPERATURE AND METHOD FOR MAKING THE SAME
An LED chip package structure in order to prevent the light-emitting efficiency of fluorescent powder from decreasing due to high temperature includes a substrate unit, a light-emitting unit, a...
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US20110303900 |
LIGHTING EMITTING DIODE DEVICE WITH DIRECTIVITY AND COHERENCY AND MANUFATURING METHOD FOR PROVIDING LIGHT WITH DIRECTIVITY AND COHERENCY
The present invention discloses a lighting emitting diode device with directivity and coherency and a manufacturing method for providing a light with directivity and coherency. The light emitting...
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US20100330715 |
Uniform Transfer of Luminescent Quantum Dots onto a Substrate
A method of uniformly transferring luminescent quantum dots onto a substrate, comprising: a) preparing a colloidal suspension of luminescent quantum dots in a hydrophobic solvent, wherein the...
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US20120146073 |
NIGHT VISION IMAGING SYSTEM (NVIS) COMPATIBLE LIGHT EMITTING DIODE
The present disclosure is directed to a LED assembly that is compatible for use with a night vision imaging system. Such LEDs may emit energy between 400 and 600 nm of the electromagnetic spectrum...
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US20100025717 |
HIGHLY EFFICIENT GALLIUM NITRIDE BASED LIGHT EMITTING DIODES VIA SURFACE ROUGHENING
A gallium nitride (GaN) based light emitting diode (LED), wherein light is extracted through a nitrogen face (N-face) of the LED and a surface of the N-face is roughened into one or more hexagonal...
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US20110260143 |
ORGANIC LIGHT-EMITTING DIODE LUMINAIRES
There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and an electroluminescent layer therebetween. The...
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US20130058102 |
Distributed Bragg Reflector for Reflecting Light of Multiple Wavelengths from an LED
A blue LED device has a transparent substrate and a reflector structure disposed on the backside of the substrate. The reflector structure includes a Distributed Bragg Reflector (DBR) structure...
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US20120194897 |
BACKSIDE PATTERNING TO FORM SUPPORT POSTS IN AN ELECTROMECHANICAL DEVICE
This disclosure provides systems, methods and apparatus for backside patterning of structures in electromechanical devices. In one aspect, backside patterning of supports in an electromechanical...
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US20110186884 |
LED Reflective Structure and Method of Fabricating the Same
A reflective structure is fabricated for a light emitting diode (LED). An ohmic contact layer of the LED is made into a netlike structure. Thus, a current is evenly distributed and a low contact...
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US20130049006 |
Gold Micromask for Roughening to Promote Light Extraction in an LED
Gold is used as a micromask to roughen a gallium nitride (GaN) surface in an LED device. In one example, a mesh of ITO (Indium Tin Oxide) is formed on a GaN layer. The mesh has holes that extend...
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US20110229995 |
Silicon Nanoparticle White Light Emitting Device
Multiple films of red-green-blue (RGB) luminescent silicon nanoparticles are integrated in a cascade configuration as a top coating in an ultraviolet/blue light emitting diode (LED) to convert it...
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US20100001256 |
White light emitting devices
A white light emitting semiconductor nanocrystal includes a plurality of semiconductor nanocrystals.
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US20050214989 |
Silicon optoelectronic device
An optoelectronic integrated circuit is fabricated by forming isolation trenches in a SOI structure to form at least first and second areas of silicon, by forming a first silicon island over the...
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US20110272695 |
PIXEL HAVING AN ORGANIC LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE PIXEL
A pixel having an organic light emitting diode (OLED) and method for fabricating the pixel is provided. A planarization dielectric layer is provided between a thin-film transistor (TFT) based...
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US20080293174 |
Method for forming LED array
A method for forming LED array is disclosed herein. First, a LED wafer, a substrate having a LED epitaxial layer thereon, is cut into a plurality of LED sticks. Then, each space layer is bonded...
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US20100072488 |
LED WITH CONTROLLED ANGULAR NON-UNIFORMITY
A light source that uses a light emitting diode with a wavelength converting element is configured to produce a non-uniform angular color distribution, e.g., Δu′v′>0.015 within an angular dist...
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US20110291071 |
QUANTUM DOT LIGHT EMITTING DIODE DEVICE AND DISPLAY DEVICE THEREWITH
The present invention relates to a quantum dot light emitting diode device in which a hole transportation layer is formed after forming a quantum dot light emitting layer by a solution process by...
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US20100195306 |
LIGHT EMITTING DIODE LAMP WITH PHOSPHOR COATED REFLECTOR
A light emitting apparatus includes a lamp reflector having phosphor, wherein the lamp reflector further includes an aperture, and an LED light source arranged with the lamp reflector to excite the...
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US20070120453 |
Full-color electroluminescent display device and method of fabricating the same
A full-color organic light emitting display device and a method of fabricating the same, including a substrate, at least one color conversion layer, a color filter, and an organic light emitting...
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