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7319248 |
High brightness light emitting diode
The present invention discloses a high brightness light emitting diode. The light emitting diode primarily includes a permanent substrate, a reflective mirror formed on said permanent substrate, an...
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7317212 |
Light emitting diode
The present invention relates to a light emitting diode. According to the present invention, a structure capable of reducing total reflection of light, including micro-lenses or projections made of...
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7306964 |
Method of manufacturing a vertically-structured GaN-based light emitting diode
The present invention relates to a method of manufacturing a vertically-structured GaN-based light emitting diode. The method of manufacturing a vertically-structured GaN-based light emitting diode...
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7306960 |
High radiance LED chip and a method for producing same
The invention concerns a light-emitting diode chip comprising a radiation-emitting active region and a window layer. To increase the luminous efficiency, the cross-sectional area of the...
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7304325 |
Group III nitride compound semiconductor light-emitting device
A semiconductor laminate containing a light-emitting layer is etched to reveal a side surface. A reflection surface opposite to the side surface of the semiconductor laminate is provided in one and...
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7301271 |
Light-emitting devices with high light collimation
Light-emitting devices, and related components, systems and methods are disclosed. In some embodiments, the devices (e.g., light-emitting diodes) comprise a multi-layer stack of materials including...
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7297988 |
Flip chip type nitride semiconductor light emitting device
The present invention relates to a flip chip type nitride semiconductor light emitting device having p-type and n-type nitride semiconductor layers, and an active layer in between. The invention...
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7294864 |
Flip chip type nitride semiconductor light-emitting diode
A flip chip type nitride semiconductor light-emitting diode includes a light-transmissive substrate for growing nitride single crystals; an n-type nitride semiconductor layer formed on the...
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7294519 |
Semiconductor light-emitting device and method of manufacturing the same
Provided are a semiconductor light-emitting device having nano-needles and a method of manufacturing the same. The provided semiconductor light-emitting device improves the extraction efficiency of...
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7294862 |
Photonic crystal light emitting device
A photonic crystal structure is formed in an n-type layer of a III-nitride light emitting device. In some embodiments, the photonic crystal n-type layer is formed on a tunnel junction. The device...
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7294866 |
Flip-chip light-emitting device with micro-reflector
A Flip-chip light-emitting device with integral micro-reflector. The flip-chip light-emitting device emits reflected light provided by a light-emitting layer. The micro-reflector reflects light...
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7291865 |
Light-emitting semiconductor device
A flip-chip type of Group III nitride based compound semiconductor light-emitting device comprises a transparent conductive film 10 made of ITO on a p-type contact layer. On the transparent...
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7291864 |
Single or multi-color high efficiency light emitting diode (LED) by growth over a patterned substrate
A single or multi-color light emitting diode (LED) with high extraction efficiency is comprised of a substrate, a buffer layer formed on the substrate, one or more patterned layers deposited on top...
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7285436 |
Method of manufacturing a semiconductor light-emitting device
A semiconductor light-emitting device exhibits high reflectance even with less number of pairs of light-reflecting layers, and allows light emitted from the active layer to be effectively extracted...
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7282748 |
Light emitting module and lamp
A light-emitting module having a light-emitting efficiency. The light-emitting module that emits light includes a semiconductor light-emitting element that emits light; and a light transmission...
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7279722 |
Light emitting device with adjustable reflector cup
A light emitting device has a light emitting diode (LED), a reflector cup, and one or more adjustment mechanisms to control the intensity profile of light emitted from the light emitting device....
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7279345 |
Method of forming light emitting devices with improved light extraction efficiency
A method of bonding a transparent optical element to a light emitting device having a stack of layers including semiconductor layers comprising an active region is provided. The method includes...
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7279719 |
Light emitting diode
A counter reflecting surface is provided opposite to a light emitting element in its light emitting surface. A side reflecting member having an inclined reflecting surface is provided apart from...
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7276737 |
Light emitting devices with improved light extraction efficiency
A device includes a light emitting semiconductor device bonded to an optical element. In some embodiments, the optical element may be elongated or shaped to direct a portion of light emitted by the...
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7274040 |
Contact and omnidirectional reflective mirror for flip chipped light emitting devices
A light emitting device includes a substrate, a doped substrate layer, a layer of first conductivity type overlying the doped substrate layer, a light emitting layer overlying the layer of first...
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7274042 |
Electroluminescent device having anti-reflective member
A light emitting device having an anti-reflective member. The light emitting device includes an anti-reflective member including a reflective layer and a first electrode; a second electrode; and a...
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7271020 |
Light emitting diode covered with a reflective layer and method for fabricating the same
A light emitting diode (LED) covered with a reflective layer by imprinting process is provided. The imprinting process includes coating a plastic layer on a mold to form an imprinting substrate;...
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7271424 |
Light-emitting diode with openings formed in a stacked structure
A light-emitting diode has a sub-mount, a first conductivity type substrate deposed on the sub-mount, a reflector layer deposed between the sub-mount and the first conductivity type substrate, a...
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7264976 |
Advance ridge structure for microlens gapless approach
A method of manufacturing a plurality of microlenses on a substrate comprises forming a grid having raised ridges defining a plurality of openings on the substrate and forming a plurality of...
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7265392 |
Light-emitting-diode chip comprising a sequence of GaN-based epitaxial layers which emit radiation and a method for producing the same
A light-emitting diode chip ( 1 ) comprises a GaN-based, radiation-emitting epitaxial layer sequence ( 3 ), an active region ( 19 ), an n-doped layer ( 4 ) and a p-doped layer ( 5 ). The p-doped...
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7262550 |
Light emitting diode utilizing a physical pattern
Light-emitting devices, and related components, systems and methods are disclosed. In some embodiments, the light-emitting devices include of multi-stack materials. The multi-stack may include a...
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7262437 |
Radiation source and method for producing a lens mould
A radiation source has a field of semiconductor chips, which are disposed below a field of micro-lenses ( 8 ) disposed in a hexagonal lattice structure. The radiation source is distinguished by...
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7259447 |
Flip-chip type nitride semiconductor light emitting diode
Disclosed herein is a flip-chip type nitride semiconductor light emitting diode. The light emitting diode comprises an n-type nitride semiconductor layer formed on a transparent substrate and...
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7253445 |
High-efficiency radiating device
A device emits radiation at a predetermined wavelength. The device includes a light-emitting structure which generates the radiation. The device further includes at least one reflective edge in...
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7250635 |
Light emitting system with high extraction efficency
In an epitaxial structure of a solid state lighting system, electrical current injection into the active layer is used to excite the photon emission. The present invention employs a unique...
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7246930 |
Light source and vehicle lamp
A light source for vehicles can include a base having a cavity formed on its upper surface, an LED chip mounted in the cavity of the base, a resin portion for sealing the LED chip in the cavity, an...
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7242031 |
Semiconductor light emitting apparatus and its manufacturing method
A semiconductor light emitting apparatus comprises: a semiconductor light emitting device; resin that seals the semiconductor light emitting device; and antireflective coating provided on a surface...
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7227192 |
Light-emitting device and manufacturing process of the light-emitting device
A light-emitting device comprises a light-emitting unit including a plurality of first connecting pads, a base substrate including a plurality of second connecting pads, and a plurality of...
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7227193 |
Solid-state image sensor with micro-lenses for preventing shading
A solid-state image sensor prevents shading while maintaining the wide dynamic range of an image signal without reducing its resolution. The image sensor has its photodiode array including...
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7223998 |
White, single or multi-color light emitting diodes by recycling guided modes
A white, single or multi-color light emitting diode (LED) includes a mirror for reflecting photons within the LED; a first active region, adjacent the mirror, including one or more current-injected...
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7223999 |
Liquid crystal display device having a thin film transistor substrate with a multi-cell gap structure and method of manufacturing same
A liquid crystal display, in accordance with the present invention, includes a first substrate having a thin film transistor and a first electrode formed thereon. The first electrode is...
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7221002 |
Light emitting element, method of manufacturing the same, and semiconductor device having light emitting element
An InGaN active layer is formed on a sapphire substrate. A p-side electrode is formed on the InGaN active layer to supply an electric current to this InGaN active layer. The p-side electrode...
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7211833 |
Light emitting diodes including barrier layers/sublayers
Semiconductor light emitting devices, such as light emitting diodes, include a substrate, an epitaxial region on the substrate that includes a light emitting region such as a light emitting diode...
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7211831 |
Light emitting device with patterned surfaces
Light-emitting devices, and related components, systems and methods are disclosed. The light-emitting device can include a multi-layer stack of materials including a light-generating region and a...
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7211832 |
Light emitting apparatus
A light emitting apparatus has: a support; a wiring layer that is formed on the support; and an LED element that is flip-chip mounted on the wiring layer formed on the support. The wiring layer...
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7208775 |
Polarized radiation source using spin extraction/injection
Spin-polarized electrons can be efficiently extracted from an n-doped semiconductor layer (n-S) by forming a modified Schottky contact with a ferromagnetic material (FM) and a δ-doped layer at an...
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7205578 |
Semiconductor component which emits radiation, and method for producing the same
This invention describes a radiation-emitting semiconductor component with the a multilayered structure ( 4 ) that contains a radiation-emitting active layer ( 5 ), and a window ( 1 ) transparent...
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7205573 |
Light-emitting device having a compound substrate
A light-emitting device includes a compound substrate including a high thermal conductive layer and a substrate disposed around the high thermal conductive layer, an adhesive layer formed on the...
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7205569 |
Thin film transistor with microlens structures
A thin film transistor with a microlens. A metal gate is formed on a substrate. A gate dielectric covers the metal gate. A semiconductor layer is formed on the gate dielectric. Source/drain metal...
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7199401 |
Light-emitting semiconductor device
An LED includes a semiconductor region having an active layer sandwiched between two confining layers of opposite conductivity types for generating heat. A cathode is arranged centrally on one of...
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7187009 |
Light emitting diode device for illumination objects
A plurality of LEDs are mounted on a substrate aggregation, a transparent layer is formed on the substrate aggregation. The transparent layer between adjacent divisions is removed to form an...
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7183586 |
Semiconductor element and manufacturing method for the same
A nitride semiconductor light emitting element is provided with: a substrate 11 having a pair of main surfaces that face each other; a nitride semiconductor layer of a first conductivity type...
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7173287 |
Semiconductor light-emitting device
A semiconductor light-emitting device is made of a group III-nitride compound semiconductor expressed as Al x Ga y In 1−x−y N (where 0≦x≦1, 0≦y≦1, and 0≦x+y≦1). The semiconductor...
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7172909 |
Light emitting diode having an adhesive layer and a reflective layer and manufacturing method thereof
A light emitting diode having an adhesive layer and a reflective layer and a manufacturing method thereof featured by adhering together a light emitting diode stack and a substrate having a...
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7173289 |
Light emitting diode structure having photonic crystals
A light emitting diode (LED) structure includes a substrate with a surface and cylindrical photonic crystals, a first type doping semiconductor layer, a first electrode, a light emitting layer, a...
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