Feng Wu
Feng Wu, Goleta, CA US
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20090310640 | MOCVD GROWTH TECHNIQUE FOR PLANAR SEMIPOLAR (Al, In, Ga, B)N BASED LIGHT EMITTING DIODES - A III-nitride optoelectronic device comprising a light emitting diode (LED) or laser diode with a peak emission wavelength longer than 500 nm. The III-nitride device has a dislocation density, originating from interfaces between an indium containing well layer and barrier layers, less than 9×10 | 12-17-2009 |
20110062415 | ANISOTROPIC STRAIN CONTROL IN SEMIPOLAR NITRIDE QUANTUM WELLS BY PARTIALLY OR FULLY RELAXED ALUMINUM INDIUM GALLIUM NITRIDE LAYERS WITH MISFIT DISLOCATIONS - An epitaxial structure for a III-Nitride based optical device, comprising an active layer with anisotropic strain on an underlying layer, where a lattice constant and strain in the underlying layer are partially or fully relaxed in at least one direction due to a presence of misfit dislocations, so that the anisotropic strain in the active layer is modulated by the underlying layer. | 03-17-2011 |
20110064103 | SEMIPOLAR NITRIDE-BASED DEVICES ON PARTIALLY OR FULLY RELAXED ALLOYS WITH MISFIT DISLOCATIONS AT THE HETEROINTERFACE - A dislocation-free high quality template with relaxed lattice constant, fabricated by spatially restricting misfit dislocation(s) around heterointerfaces. This can be used as a template layer for high In composition devices. Specifically, the present invention prepares high quality InGaN templates (In composition is around 5-10%), and can grow much higher In-composition InGaN quantum wells (QWs) (or multi quantum wells (MQWs)) on these templates than would otherwise be possible. | 03-17-2011 |
20120068192 | CRYSTAL GROWTH OF M-PLANE AND SEMIPOLAR PLANES OF (Al, In, Ga, B)N ON VARIOUS SUBSTRATES - A method of reducing threading dislocation densities in non-polar such as a-{11-20} plane and m-{1-100} plane or semi-polar such as {10-1n} plane III-Nitrides by employing lateral epitaxial overgrowth from sidewalls of etched template material through a patterned mask. The method includes depositing a patterned mask on a template material such as a non-polar or semi polar GaN template, etching the template material down to various depths through openings in the mask, and growing non-polar or semi-polar III-Nitride by coalescing laterally from the tops of the sidewalls before the vertically growing material from the trench bottoms reaches the tops of the sidewalls. The coalesced features grow through the openings of the mask, and grow laterally over the dielectric mask until a fully coalesced continuous film is achieved. | 03-22-2012 |
20130259080 | ANISOTROPIC STRAIN CONTROL IN SEMIPOLAR NITRIDE QUANTUM WELLS BY PARTIALLY OR FULLY RELAXED ALUMINUM INDIUM GALLIUM NITRIDE LAYERS WITH MISFIT DISLOCATIONS - An epitaxial structure for a III-Nitride based optical device, comprising an active layer with anisotropic strain on an underlying layer, where a lattice constant and strain in the underlying layer are partially or fully relaxed in at least one direction due to a presence of misfit dislocations, so that the anisotropic strain in the active layer is modulated by the underlying layer. | 10-03-2013 |
20140376584 | ANISOTROPIC STRAIN CONTROL IN SEMIPOLAR NITRIDE QUANTUM WELLS BY PARTIALLY OR FULLY RELAXED ALUMINUM INDIUM GALLIUM NITRIDE LAYERS WITH MISFIT DISLOCATIONS - An epitaxial structure for a III-Nitride based optical device, comprising an active layer with anisotropic strain on an underlying layer, where a lattice constant and strain in the underlying layer are partially or fully relaxed in at least one direction due to a presence of misfit dislocations, so that the anisotropic strain in the active layer is modulated by the underlying layer. | 12-25-2014 |
Feng Wu, Wuxi CN
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20100022885 | SWITCHING DC CONVERTING DEVICE AND PORTABLE SYSTEM FOR ULTRASONIC MEDICAL IMAGING AND DIAGNOSING AND METHOD THEREOF - A switching DC converting device includes a switching DC converter and a synchronous clock circuit. The synchronous clock circuit is used to provide a wobbling synchronous clock input for the switching DC converter, and the central frequency of the wobbling synchronous clock avoids the operating frequency of a circuit powered by the switching DC converter. | 01-28-2010 |
20100262012 | METHOD FOR A MEDICAL DIAGNOSTIC ULTRASOUND SYSTEM TO SAVE POWER AND THE MEDICAL DIAGNOSTIC ULTRASOUND SYSTEM - To save power used by a medical diagnostic ultrasound system, a detection device is disposed on the probe side of the medical diagnostic ultrasound system to detect whether the probe is being used, and to generate a corresponding control signal according to the detected signal. A transmitting and receiving circuit disposed on the probe side transmits the signal to a transmitting and receiving circuit disposed on the host side to control a working mode of an ultrasound transmitting and receiving circuit within the host. | 10-14-2010 |
Feng Wu, Lake Zurich, IL US
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20080212181 | Retroreflective Sheet Structure - A retroreflective sheet structure ( | 09-04-2008 |
20090296202 | INFRARED LIGHT TRANSMISSION FILM - An infrared light transmission film includes a polymer matrix and at least one red colorant, blue colorant, and yellow colorant that are uniformly dispersed in the polymer matrix at amounts effective to allow transmission through the film of at least about 85% of light with wavelengths over about 800 nm while blocking transmission of at least about 90% of light with wavelengths less than about 750 nm. | 12-03-2009 |
20100053754 | Metallized Retroreflective Sheeting With Increased Daytime Brightness - A retroreflective sheeting ( | 03-04-2010 |
20110155001 | Metallized Retroreflective Sheeting with Increased Daytime Brightness - A retroreflective sheeting ( | 06-30-2011 |
20110159179 | Metallized Retroreflective Sheeting with Increased Daytime Brightness - A retroreflective sheeting ( | 06-30-2011 |
20130093109 | Retroreflective Sheet Structure - A retroreflective sheet structure ( | 04-18-2013 |
20130107364 | RULABLE MULTI-DIRECTIONAL PRISM CLUSTER RETROREFLECTIVE SHEETING | 05-02-2013 |
20130214688 | Direction Active Projection - A directionally active projection device is described that includes a planar display providing a pattern of information. The planar display includes regions of light transparency and regions for blocking light transmittance. The directionally active projection device also includes a lens arranged adjacent to the planar display, and a collection of light sources arranged as an array in a focal plane of the lens. Also described are methods of controlling directionally active projection devices. | 08-22-2013 |
20140027936 | Retroreflective Sheet Structure - A retroreflective sheet structure ( | 01-30-2014 |
20140065356 | Laser scoring of metal/polymer structures - A method of scoring a multi-layer film structure, wherein the multi-layer film structure comprises a metal layer and polymer layer bonded to each other, the method comprises using a single laser beam incident to the polymer layer to produce a score line in the polymer layer, wherein the laser energy is absorbed only by the metal layer. | 03-06-2014 |
Feng Wu, Lutherville, MD US
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20090258848 | BIOMARKERS FOR INFLAMMATORY BOWEL DISEASE - The present invention relates to methods of determining inflammatory bowel disease status in a subject. The invention further relates to kits for determining inflammatory bowel disease status in a subject. The invention further related to methods of identifying biomarker for determining inflammatory bowel disease status in a subject. | 10-15-2009 |
20110117111 | MICRORNA-BASED DIAGNOSTIC TESTING AND THERAPIES FOR INFLAMMATORY BOWEL DISEASE AND RELATED DISEASES - The present invention is based, at least in part, on the novel discovery that certain microRNAs are associated with inflammatory bowel diseases and other related diseases. Accordingly, the invention relates to microRNA-based compositions, kits, and methods for detecting, characterizing, modulating, preventing, and treating inflammatory bowel diseases and other related diseases. | 05-19-2011 |
Feng Wu, Chongqing CN
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20090259129 | Resonance Ultrasonic Transducer - The present invention provides a resonance ultrasonic transducer. The resonance ultrasonic transducer comprises an ultrasound source for transmitting ultrasound, and a reflecting unit disposed opposite to the ultrasound source. The ultrasound source and the reflecting unit Constitute a resonance cavity. The reflecting unit can also act as an ultrasound source. A specific distribution of the acoustic field may be formed in the resonance cavity by matching the transmitting acoustic field of one ultrasonic transducer with the reflecting acoustic field of the other ultrasonic transducer. This resonance ultrasonic transducer can be widely used in ultrasonic diagnosis device, ultrasonic therapy device and ultrasonic detection devices and carries out effective focusing and controlling of an ultrasonic fled. | 10-15-2009 |
Feng Wu, Shenzhen City CN
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20130081527 | PUNCHING DEVICE - A punching device includes a base, a linkage assembly, a carrying assembly, a punch and a pressure arm. The linkage assembly includes a pair of linkage members, a rotating member, a first connecting rod, a second connecting rod and a third connecting rod. The rotating member is rotatably mounted on the supporting member, the pair of linkage members is movably mounted on the rotating member, the first, the second and the third connecting rods connects in turn. The carrying assembly is rotatably connected to the third connecting rod and movably supported by the loading member. The punch is mounted on an end of the rotating member. The pressure arm is rotatably connected to the supporting member and the pair of linkage members to drives the carrying assembly to position a workpiece and the punch to punch the workpiece. | 04-04-2013 |
Feng Wu, Guangdong CN
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20130252499 | GRAPHENE DERIVATIVE-CARBON NANOTUBE COMPOSITE MATERIAL AND PREPARATION METHODS THEREOF - A graphene ramification-carbon nanotube composite material and preparation method thereof which includes the following steps: step one, adding the graphene ramification and carbon nanotubes to alcohol dispersant and dispersing for 120-150 minutes by ultrasonic to form a stable suspension; step two, filtrating the suspension, drying the solid substance and cooling it to room temperature to obtain the graphene ramification-carbon nanotube composite material. In the composite material produced by the method, the graphene ramification and carbon nanotube composite form an intermixing and interveining structure to avoid the aggregation and stacking of the graphene ramification, so as to enable complementarities in structure and function of the graphene ramification and carbon nanotubes and improve the conductive property of the composite material. | 09-26-2013 |
Feng Wu, Shenzhen CN
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20140098659 | METHOD AND APPARATUS FOR MANAGING DIAMETER ROUTING - A method and a network device for managing Diameter routing are disclosed in the communication technology. The network device avoids frequently sending a Diameter message on a faulty routing. In the method: a network apparatus receives a first Diameter message configured to be delivered to a destination node. The network apparatus determines a routing status of a primary routing from the network apparatus to the destination node according to recorded routing status from the network apparatus to the destination node. The network apparatus sends the first Diameter message through the primary routing if the routing status of the primary routing is normal. The network apparatus sends the first Diameter message through an alternative routing from the network apparatus to the destination node if the routing status of the primary routing is faulty. | 04-10-2014 |
20140307589 | METHOD, APPARATUS AND SYSTEM FOR DETERMINING POLICY AND CHARGING RULE FUNCTION ENTITY - Embodiments of the present invention provide a method, an apparatus, and a system for determining a policy and charging rule function entity. The method includes: receiving, by a first PCRF, a first request message transmitted by a first routing agent device, where the first request message carries an IP address of a user; inquiring a pre-stored corresponding relationship between the IP address of the user and an identity of a PCRF currently serving the user according to the IP address of the user, and determining an identity of a second PCRF currently serving the user; and transmitting a message carrying the identity of the second PCRF to the first routing agent device. The method realizes that session information of the same user can be routed to the same PCRF when a biplane DRA is under a multi-PCRF networking, and provides reliable DRA signaling network networking. | 10-16-2014 |
20150125758 | GRAPHENE FILM, PREPARATION METHOD AND APPLICATION THEREOF - Disclosed is a preparation method of graphene film. The method comprises the following steps: providing a clean substrate, followed by positively charged processing of the substrate surface; preparing suspension of graphene with negative charges on surface and the suspension of graphene with positive charges on surface respectively; immersing the surface-treated substrate into the suspension of graphene with negative charges on surface for 5-20 minutes, then taking the substrate out, washing, drying, and then immersing it into the suspension of graphene with positive charges on surface for 5-20 minutes, then taking the substrate out, washing, drying, so alternately repeated 10 to 50 times to obtain a graphene film precursor, and finally reducing the graphene film precursor at 500-1000° C. to obtain the grapheme film. | 05-07-2015 |
20150381429 | NETWORK TOPOLOGY HIDING METHOD AND DEVICE - The present invention provides a network topology hiding method and device. The method includes: receiving a first service request, where the first service request is sent by a subscriber through a first network function entity and includes a name of the first network function entity and a subscriber identifier; determining a virtual name set corresponding to the name of the first network function entity, where the virtual name set includes at least two virtual names; and determining one virtual name from the virtual name set, and replacing the name of the first network function entity with the determined virtual name. The unfixed replacement further ensures effectiveness of network topology hiding. | 12-31-2015 |
Feng Wu, Jiangsu CN
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20130133430 | POWER CIRCUIT AND PORTABLE ULTRASOUND DETECTING DEVICE COMPRISING SAME - A power circuit is provided. The power circuit comprises an input terminal configured to receive a DC input, a DC-DC converting module configured to convert the DC input received at the input terminal into one or more DC outputs at predefined ratings, and a parameter configuring module configured to configure parameters of the DC-DC converting module to match with the DC input received at the input terminal based on different DC inputs. The DC-DC converting module is further configured to operate at the parameters configured by the parameter configuring module, and an output terminal configured to output the one or more converted DC output. | 05-30-2013 |
20140191158 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE WITH THE LIQUID CRYSTAL COMPOSITION - A liquid crystal composition that is useful for an active matrix (AM) device has a nematic phase and positive dielectric anisotropy. An active matrix liquid crystal display device includes the liquid crystal composition. By the total weight of the liquid crystal composition, the liquid crystal composition comprises 8%-50% of a compound of the general formula (I), 10%-70% (by weight) of a compound of the general formula (II), and 5%-50% (by weight) of a compound of the general formula (III). | 07-10-2014 |
20150218455 | DICHROMATIC DYE COMPOSITION AND APPLICATION THEREOF - A dichromatic dye composition which has the characteristics of higher order parameter and good miscibility can be applied in a guest-host liquid crystal composition. The absorbance curve of a guest-host liquid crystal composition with the dichromatic dye composition within the range of 420-680 nm has the following characteristics: a. 2≦(T1+T2)/ΔT≦10; b. |T1−T2|≦0.5; c. 0<ΔT≦0.2, where T | 08-06-2015 |
20150299202 | HETEROARYL ALKYNE COMPOUND AND USE THEREOF - In the field of pharmaceutical chemistry compounds of general formula I having heteroaryl alkynyl moiety or pharmaceutically acceptable salts, isomers, solvates, crystals or prodrugs thereof, and pharmaceutical compositions including these compounds, as well as uses of these compounds and compositions thereof in the manufacture of a medicament. The compounds have a strong inhibitory effect on BCR-ABL tyrosine kinase and are useful for treating diseases, such as tumors. | 10-22-2015 |
Feng Wu, Xuzhou, Jiangsu Province CN
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20160067665 | A FLUIDIZED BED REACTOR AND A PROCESS USING SAME TO PRODUCE HIGH PURITY GRANULAR POLYSILICON - The present invention relates to a fluidized bed reactor, comprising a reaction tube, a distributor and a heating device, the reaction tube and the distributor at the bottom of the reaction tube composing a closed space, the distributor comprising a gas inlet and a product outlet, and the reaction tube comprising a tail gas outlet and a seed inlet at the top or upper part respectively, characterized in that the reaction tube comprises a reaction inner tube and a reaction outer tube, and the heating device is an induction heating device placed within a hollow cavity formed between the external wall of the reaction inner tube and the internal wall of the reaction outer tube, wherein the hollow cavity is filled with hydrogen, nitrogen or inert gas for protection, and is able to maintain a pressure of about 0.01 to about 5 MPa; and also to a process of producing high purity granular polysilicon using the reactor. The fluidized bed reactor according to the present invention uses induction heating to heat directly the silicon particles inside the reaction chamber, such that the temperature of the reaction tube is lower than that inside the reaction chamber, which accordingly avoids deposition on the tube wall and results in more uniform heating, and thus is useful for large diameter fluidized bed reactors with much increased output for a single reactor. | 03-10-2016 |
Feng Wu, Shanghai CN
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20160073500 | Decoupling Capacitive Arrangement to Manage Power Integrity - Various implementations disclosed herein include arrangements that reduce parasitic inductance associated with a discrete decoupling capacitor by using a three-terminal capacitor and a staggered array of power supply and ground connections. In some implementations, a capacitive decoupling arrangement includes a substrate, an array of electrical vias of first and second types, and a capacitive arrangement on one side of the substrate coupled to the array of electrical vias. The array of electrical vias includes a first type of vias and a second type of vias. The capacitive arrangement is coupled between two respective vias of the first type of vias and two respective vias of the second type of vias on the first planar surface of the substrate. The capacitive arrangement includes a plurality of capacitive elements electrically arranged in parallel between the two respective vias of the first type of vias and the two respective vias of the second type of vias. | 03-10-2016 |