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US20090321781 QUANTUM DOT DEVICE AND METHOD OF MAKING THE SAME  
A semiconductor device includes an Al x Ga y In 1-x-y N layer and (Al,Ga,In)N quantum dots disposed on the Al x Ga y In 1-x-y N layer, wherein the indium fraction in the Al x Ga y In 1-x-y N layer...
US20090315019 Optical device having a quantum-dot structure  
Method of manufacturing an optical device, and an optical device, the optical device having one or more layers ( 13 ) of quantum-dots located in-between barrier layers ( 12 ). A spacer layer ( 15 )...
US20090315046 GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, METHOD OF MANUFACTURING GROUP-III NITRIDE COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, AND LAMP  
The present invention provides a group-III nitride compound semiconductor light-emitting device having high productivity and good emission characteristics, a method of manufacturing a group-III...
US20090302335 Method of Fabricating Light Emitting Device and Compound Semiconductor Wafer and Light Emitting Device  
A Metal Organic Vapor Phase Epitaxy step of growing a light emitting layer section 24, composed of a first Group III-V compound semiconductor, epitaxially on a single crystal growth substrate 1 ...
US20090298212 Silicon Based Solid State Lighting  
A semiconductor device includes a substrate comprising a first surface having a first orientation and a second surface having a second orientation and a plurality of III-V compound layers on the...
US20090298214 METHOD OF GROWING NITRIDE SINGLE CRYSTAL AND METHOD OF MANUFACTURING NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE  
There is provided a method of growing a nitride single crystal. A method of growing a nitride single crystal according to an aspect of the invention may include: growing a first nitride single...
US20090290611 SEMICONDUCTOR LASER AND MANUFACTURING METHOD THEREFOR  
A semiconductor laser comprises: a ridge structure including a p-type cladding layer, an active layer, and an n-type cladding layer stacked on one another; and a burying layer burying sides of the...
US20090291519 LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME  
Disclosed herein is a light emitting device. The light emitting device includes an n-type nitride semiconductor layer; an active layer on the n-type semiconductor layer, an AlN/GaN layer of a super...
US20090280592 Nanoparticle structure and manufacturing process of multi-wavelength light emitting devices  
A structure of multi-wavelength light emitting device comprises multi-stacked active layer structure. Each stacked layer comprises lower energy bandgap well 4 and higher energy bandgap barrier...
US20090272972 ZnO BASED SEMICONDUCTOR LIGHT EMITTING DEVICE AND ITS MANUFACTURE METHOD  
A ZnO based semiconductor light emitting device includes: a first semiconductor layer containing ZnO 1-x1 S x1 ; a second semiconductor layer formed above the first semiconductor layer and...
US20090275161 LIGHT-EMITTING ELEMENT AND LIGHT EMITTING DEVICE USING THE SAME  
The present invention provides a light-emitting element having less increase in driving voltage with the accumulation of light-emission time, and provides a light-emitting element having less...
US20090268768 METHOD OF MAKING NITRIDE SEMICONDUCTOR LASER, METHOD OF MAKING EPITAXIAL WAFER, AND NITRIDE SEMICONDUCTOR LASER  
A method of making a nitride semiconductor laser comprises forming a first InGaN film for an active layer on a gallium nitride based semiconductor region, and the first InGaN film has a first...
US20090267049 Plasmon Enhanced Nanowire Light Emitting Diode  
A nanowire light emitting diode (LED) and method of emitting light employ a plasmonic mode. The nanowire LED includes a nanowire having a semiconductor junction, a shell layer coaxially surrounding...
US20090269867 METHOD OF MANUFACTURING NITRIDE SEMICONDUCTOR AND NITRIDE SEMICONDUCTOR ELEMENT  
The present invention provides a method of manufacturing a nitride semiconductor capable of improving the crystallinity and the surface state of the nitride semiconductor crystal formed on top of a...
US20090263925 NITRIDE-BASED LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME  
A nitride-based light-emitting device capable of suppressing reduction of the light output characteristic as well as reduction of the manufacturing yield is provided. This nitride-based...
US20090245308 ACTIVE SOLID HEATSINK DEVICE AND FABRICATING METHOD THEREOF  
An active solid heatsink device and fabricating method thereof is related to a high-effective solid cooling device, where heat generated by a heat source with a small area and a high...
US20090242870 LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME  
Disclosed herein is a light emitting device. The light emitting device includes an n-type nitride semiconductor layer; an active layer on the n-type semiconductor layer, an AlN/GaN layer of a super...
US20090245311 PROCESS FOR PRODUCING NITRIDE SEMICONDUCTOR LASER, AND NITRIDE SEMICONDUCTOR LASER  
Provided are a process for producing a nitride semiconductor laser that is a process applied to materials wherein a diffusion of an impurity is not easily attained, such as nitride semiconductor...
US20090236584 LIGHT-EMITTING DEVICE WITH ENHANCED LUMINOUS EFFICIENCY AND METHOD OF PRODUCING THE SAME  
A light-emitting device comprises first and second dot members. The first dot member is formed so that it makes contact with the second dot member. The first dot member comprises a plurality of...
US20090230878 GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT ASSEMBLY, LIGHT-EMITTING APPARATUS, METHOD OF MANUFACTURING GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, METHOD OF DRIVING GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, AND IMAGE DISPLAY APPARATUS  
A GaN-based semiconductor light-emitting element includes a first GaN-based compound semiconductor layer of n-conductivity type, an active layer, a second GaN-based compound semiconductor layer of...
US20090224240 SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING THEREFOR  
A semiconductor light emitting element of the present invention comprises: a zinc oxide (ZnO) single crystal substrate 12 with a substrate surface of a plane orientation insusceptible to a piezo...
US20090224269 SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME, AND EPITAXIAL WAFER  
A semiconductor light emitting device includes: an upper growth layer including a light emitting layer; a transparent substrate through which a radiant light from the light emitting layer passes;...
US20090212277 GROUP-III NITRIDE LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING GROUP-III NITRIDE BASED SEMICONDUCTOR LIGHT-EMITTING DEVICE  
A group-III nitride light-emitting device is provided. An active layer having a quantum well structure is grown on a basal plane of a gallium nitride based semiconductor region. The quantum well...
US20090212276 LIGHT-EMITTING DIODE DEVICE AND A FABRICATION METHOD THEREOF  
The present invention provides a light-emitting diode (LED) device and a fabrication method thereof. The LED device has a double-layered contact layer structure with a surface of one contact layer...
US20090206320 GROUP III NITRIDE WHITE LIGHT EMITTING DIODE  
A white light-emitting diode is fabricated by metal organic chemical vapor deposition (MOCVD), which can produce a broad band emission covering all the visible range in the spectrum by capping the...
US20090209055 Method to fabricate semiconductor optical device  
A process for the semiconductor laser diode is disclosed, which prevents the abnormal growth occurred at the second growth for the burying region of the buried hetero structure. The ICP...
US20090194761 ENHANCEMENT OF OPTICAL POLARIZATION OF NITRIDE LIGHT-EMITTING DIODES BY INCREASED INDIUM INCORPORATION  
An increase in the Indium (In) content in light-emitting layers of light-emitting diode (LED) structures prepared on nonpolar III-nitride substrates result in higher polarization ratios for light...
US20090180508 TWO-WAVELENGTH SEMICONDUCTOR LASER DEVICE AND ITS FABRICATING METHOD  
A two-wavelength semiconductor laser device includes a first semiconductor laser device including a first-conductivity type first cladding layer, a first guide layer made of AlGaAs mixed crystal, a...
US20090179189 METHOD FOR PRODUCING AN ELECTRONIC DEVICE WITH A LAYER STRUCTURE AND AN ELECTRONIC DEVICE  
The invention relates to a method for producing a layer structure in an electronic device, especially in an organic light emitting device, the method comprising a step of producing the layer...
US20090173956 CONTACT FOR A SEMICONDUCTOR LIGHT EMITTING DEVICE  
An AlGaInP light emitting device is formed as a thin, flip chip device. The device includes a semiconductor structure comprising an AlGaInP light emitting layer disposed between an n-type region...
US20090166650 LIGHT-EMITTING DEVICE OF GROUP III NITRIDE-BASED SEMICONDUCTOR AND MANUFACTURING METHOD THEREOF  
A light-emitting device of Group III nitride-based semiconductor comprises a substrate, a first Group III nitride layer and a second Group III nitride layer. The substrate comprises a first surface...
US20090159869 Solid State Light Emitting Device  
A semiconductor structure ( 10, 10′, 70, 80 ) includes a light emitter ( 12, 72 ) carried by a support structure ( 11 ). The light emitter ( 12, 72 ) includes a base region ( 24, 76 ) with a...
US20090155987 METHOD OF FABRICATING GALLIUM NITRIDE SUBSTRATE  
A method of fabricating a gallium nitride (GaN) substrate provides a GaN thick film without causing bending and cracks which may occur in a growing process. To this end, a nitride embedding layer...
US20090134410 SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME  
There is provided a method of manufacturing a nitride semiconductor light emitting device. A method of manufacturing a nitride semiconductor light emitting device according to an aspect of the...
US20090121214 III-NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF  
A semiconductor light-emitting device comprises a substrate, a buffer layer, an n-type semiconductor layer, a conformational active layer and a p-type semiconductor layer. The n-type semiconductor...
US20090121242 COMPOUND SEMICONDUCTOR LIGHT-EMITTING DIODE AND METHOD FOR FABRICATION THEREOF  
A compound semiconductor light-emitting diode includes a light-emitting layer formed of aluminum-gallium-indium phosphide, a light-emitting part 13 having component layers individually formed of...
US20090114933 GaN BASED SEMICONDUCTOR LIGHT EMITTING DEVICE AND LAMP  
A method for producing a gallium nitride based compound semiconductor light emitting device which is excellent in terms of the light emitting properties and the light emission efficiency and a lamp...
US20090101886 SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD OF FABRICATING THE SAME  
The invention discloses a semiconductor light-emitting device. The semiconductor light-emitting device includes a substrate, a first semiconductor material layer, a light-emitting layer, a second...
US20090098677 GROUP III-V NITRIDE-BASED SEMICONDUCTOR SUBSTRATE, GROUP III-V NITRIDE-BASED DEVICE AND METHOD OF FABRICATING THE SAME  
A group III-V nitride-based semiconductor substrate has: a first layer made of GaN single crystal; and a second layer formed on the first layer, the second layer made of group III-V nitride-based...
US20090090922 METHOD OF MANUFACTURING GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, GALLIUM NITRIDE-BASED COMPOUND SEMICONDUCTOR LIGHT-EMITTING DEVICE, AND LAMP  
Provided are a method of manufacturing a gallium nitride-based compound semiconductor light-emitting device with a low driving voltage (Vf) and high light outcoupling efficiency, a gallium...
US20090090923 METHOD FOR MANUFACTURING A SEMICONDUCTOR LIGHT-EMITTING DEVICE AND SEMICONDUCTOR LIGHT-EMITTING DEVICE  
A semiconductor light-emitting device and method for manufacturing the semiconductor light-emitting device includes a mask layer etching process on first and second mask layers provided on a...
US20090078947 SEMICONDUCTOR LIGHT EMITTING DEVICE  
An end face emission type semiconductor light emitting device which include: a substrate; a first conductive type clad layer stacked on the substrate; an active region layer including an active...
US20090072220 Nitride Semiconductor LED and Fabrication Method Thereof  
A nitride semiconductor light emitting diode according to the present invention, includes: a substrate; a buffer layer formed on the substrate; an In-doped GaN layer formed on the buffer layer; a...
US20090072252 Nitride Semiconductor Light Emitting Device and Fabrication Method Therefor  
Disclosed is a nitride semiconductor light emitting device including: one or more AllnN layers; an In-doped nitride semiconductor layer formed above the AllN layers; a first electrode contact layer...
US20090074355 Photonically-coupled nanoparticle quantum systems and methods for fabricating the same  
Various embodiments of the present invention are directed to photonically-coupled quantum dot systems. In one embodiment of the present invention, a photonic device comprises a top layer, a bottom...
US20090068779 Method for manufacturing nitride semiconductor device  
There is provided a method for manufacturing a nitride semiconductor device which has a p-type nitride semiconductor layer having a high carrier concentration (low resistance) by activating an...
US20090068780 METHOD OF FABRICATING SEMICONDUCTOR OPTOELECTRONIC DEVICE AND RECYCLING SUBSTRATE DURING FABRICATION THEREOF  
The invention discloses a method of fabricating a semiconductor optoelectronic device. First, a substrate is prepared. Subsequently, a buffer layer is deposited on the substrate. Then, a...
US20090050914 SEMICONDUCTOR LIGHT-EMITTING DEVICE WITH SELECTIVELY FORMED BUFFER LAYER ON SUBSTRATE  
The invention discloses a semiconductor light-emitting device and a method of fabricating the same. The semiconductor light-emitting device according to the invention includes a substrate, a buffer...
US20090050915 Group III-V nitride semiconductor substrate and method for producing same  
A group III-V nitride semiconductor substrate includes a first region of group III-V nitride semiconductor crystal grown on a facet on a heterosubstrate, and a second region of the group III-V...
US20090045419 Semiconductor light-emitting device with high light-extraction efficiency and method for fabricating the same  
The invention discloses a semiconductor light-emitting device and a method of fabricating the same. The semiconductor light-emitting device according to the invention includes a substrate, a first...
Matches 1 - 50 out of 133 1 2 3 >