Patent application number | Description | Published |
20080279243 | Distributed Feedback (Dfb) Quantum Dot Laser Structure - A distributed feedback (DFB) quantum dot semiconductor laser structure is provided. The DFB quantum dot semi-conductor laser structure includes: a first clad layer formed on a lower electrode; an optical waveguide (WG) formed on the first clad layer; a grating structure layer formed on the optical WG and including a plurality of periodically disposed gratings; a first separate confinement hetero (SCH) layer formed on the grating structure layer; an active layer formed on the first SCH layer and including at least a quantum dot; a second SCH layer formed on the active layer; a second clad layer formed on the second SCH layer; an ohmic layer formed on the second clad layer; and an upper electrode formed on the ohmic layer. Accordingly, an optical WG is disposed on the opposite side of the active layer from the grating structure layer, thereby increasing single optical mode efficiency. And, an asymmetric multi-electrode structure is used for applying current, thereby maximizing purity and efficiency of the single mode semiconductor laser structure. | 11-13-2008 |
20090296766 | QUANTUM DOT LASER DIODE AND METHOD OF MANUFACTURING THE SAME - Provided are a quantum dot laser diode and a method of manufacturing the same. The method of manufacturing a quantum dot laser diode includes the steps of: forming a grating structure layer including a plurality of gratings on a substrate; forming a first lattice-matched layer on the grating structure layer; forming at least one quantum dot layer having at least one quantum dot on the first lattice-matched layer; forming a second lattice-matched layer on the quantum dot layer; forming a cladding layer on the second lattice-matched layer; and forming an ohmic contact layer on the cladding layer. Consequently, it is possible to obtain high gain at a desired wavelength without affecting the uniformity of quantum dots, so that the characteristics of a laser diode can be improved. | 12-03-2009 |
20110165716 | QUANTUM DOT LASER DIODE AND METHOD OF FABRICATING THE SAME - A quantum dot laser diode and a method of fabricating the same are provided. The quantum dot laser diode includes: a first clad layer formed on an InP substrate; a first lattice-matched layer formed on the first clad layer; an active layer formed on the first lattice-matched layer, and including at least one quantum dot layer formed of an InAlAs quantum dot or an InGaPAs quantum dot which is grown by an alternate growth method; a second lattice-matched layer formed on the active layer; a second clad layer formed on the second lattice-matched layer; and an ohmic contact layer formed on the second clad layer. | 07-07-2011 |
Patent application number | Description | Published |
20120257768 | NOISE REMOVAL METHOD AND SYSTEM - A method and system for removing noise due to bias electric power (MIC_Bias) or Time Division Multiple Access (TDMA) noise are provided. The system includes an interface with a microphone contact, for connecting to an accessory, an Analog-to-Digital (AD) converter for converting an analog voltage level, input via the microphone contact, into a digital voltage level, an audio processing unit for processing an audio signal input via the microphone contact, a switch for at least one of connecting and disconnecting the microphone contact and the AD converter, and a controller. The controller compares the digital voltage level with voltage levels stored in a look up table. The controller identifies a type of accessory connected to the interface. The controller also switches off the switch to prevent noise from being introduced into the audio signal via a wire connecting the microphone contact and the AD converter. | 10-11-2012 |
20130012274 | SECOND MICROPHONE DEVICE OF A MOBILE TERMINAL - A second microphone device of a mobile terminal, and more particularly, a second microphone device of a mobile terminal for preventing various limitations caused by mounting of a second microphone, is provided. The second microphone device includes an ear jack connector having an insertion space, a microphone hole connected at one end to the insertion space, and a second microphone connected at the other end of the microphone hole, thereby improving ambient noise removal performance of the mobile terminal without adversely affecting its appearance. | 01-10-2013 |
20150244845 | SECOND MICROPHONE DEVICE OF A MOBILE TERMINAL - A second microphone device of a mobile terminal, and more particularly, a second microphone device of a mobile terminal for preventing various limitations caused by mounting of a second microphone, is provided. The second microphone device includes an ear jack connector having an insertion space, a microphone hole connected at one end to the insertion space, and a second microphone connected at the other end of the microphone hole, thereby improving ambient noise removal performance of the mobile terminal without adversely affecting its appearance. | 08-27-2015 |
20150348828 | GAP-FILL METHODS - Gap-fill methods comprise: (a) providing a semiconductor substrate having a relief image on a surface of the substrate, the relief image comprising a plurality of gaps to be filled; (b) applying a gap-fill composition over the relief image, wherein the gap-fill composition comprises a non-crosslinked crosslinkable polymer, an acid catalyst, a crosslinker and a solvent, wherein the crosslinkable polymer comprises a first unit of the following general formula (I): | 12-03-2015 |
Patent application number | Description | Published |
20100027362 | SEMICONDUCTOR MEMORY DEVICE FOR LOW VOLTAGE - A semiconductor memory device includes a first cell array including a plurality of unit cells and a bit line sense amplifying unit for sensing and amplifying data signals stored in the unit cells. Each unit cell is provided with a PMOS transistor and a capacitor. Therefore, the semiconductor memory device efficiently operates with low voltage without any degradation of operation speed. | 02-04-2010 |
20100188914 | SELF REFRESH OPERATION OF SEMICONDUCTOR MEMORY DEVICE - A method for driving a semiconductor memory device, includes initializing first data corresponding to a refresh time of each corresponding row included in a cell array; storing second data corresponding to column data included in the first row after entering a self refresh mode; setting the first data corresponding to the first row by detecting the refresh time of the first row while performing refresh operations on the other rows in the cell array according to a refresh period selected based on the corresponding first data for predetermined refresh cycles, wherein the refresh operation is not performed on the first row during the predetermined refresh cycles; restoring the second data to the first row; and repeating the above steps for the other rows to thereby set the corresponding first data until the setting step is completed for all rows or the self refresh mode expires. | 07-29-2010 |
20100188915 | SELF REFRESH OPERATION OF SEMICONDUCTOR MEMORY DEVICE - A method for driving a semiconductor memory device, includes initializing first data corresponding to a refresh time of each corresponding row included in a cell array; storing second data corresponding to column data included in the first row after entering a self refresh mode; setting the first data corresponding to the first row by detecting the refresh time of the first row while performing refresh operations on the other rows in the cell array according to a refresh period selected based on the corresponding first data for predetermined refresh cycles, wherein the refresh operation is not performed on the first row during the predetermined refresh cycles; restoring the second data to the first row; and repeating the above steps for the other rows to thereby set the corresponding first data until the setting step is completed for all rows or the self refresh mode expires. | 07-29-2010 |
20110114736 | INTEGRATED CIRCUIT WITH EMBEDDED RFID - An integrated circuit (IC) die includes a high capacitance solid state circuit region configured to perform predetermined operations and an RFID block configured for wireless communication with an external source. The RFID block is configured to record results from a plurality of stages of a manufacturing process. The RFID block is further configured to generate an internal BIST command in response to an external command wirelessly received by the RFID. The integrated circuit die also includes a built-in self-test (BIST) block coupled to carry out testing of the high capacitance solid state circuit region in response to the internal BIST command. The RFID block is configured to be capable of storing store information relating to the testing. The RFID block is further configured to enable wireless retrieval of the test results from the testing of the high capacitance solid state circuit region. | 05-19-2011 |
20110174886 | INTEGRATED CIRCUIT WITH EMBEDDED RFID - An integrated circuit (IC) die includes a high capacitance solid state circuit region configured to perform predetermined operations and an RFID block configured for wireless communication with an external source. The RFID block is configured to record results from a plurality of stages of a manufacturing process. The RFID block is further configured to generate an internal BIST command in response to an external command wirelessly received by the RFID. The integrated circuit die also includes a built-in self-test (BIST) block coupled to carry out testing of the high capacitance solid state circuit region in response to the internal BIST command. The RFID block is configured to be capable of storing store information relating to the testing. The RFID block is further configured to enable wireless retrieval of the test results from the testing of the high capacitance solid state circuit region. | 07-21-2011 |
Patent application number | Description | Published |
20100059243 | Anti-electromagnetic interference material arrangement - Anti-EMI material arrangement, comprising a plurality of electrically conducting elongated particles, which are irregularly distributed within a substrate, forming a web of electrically conducting paths, so that incoming electromagnetic waves are attenuated. Optionally, spherical particles are added. Furthermore, optionally, absorbing particles are added to dissipate energy of electromagnetic waves. | 03-11-2010 |
20120175446 | PARTICLE SEPARATOR - A particle separator comprises: a driving shaft and two support rings, mounted on the driving shaft, having a plurality of mounting holes, a plurality of blades, having far ends to which two holding rods are attached to be inserted in the plurality of mounting holes, so that the plurality of blades are allowed to sway while being mounted on the support rings, wherein the mounting holes of the support rings are arranged in a quantity that is a divisible number, so that, when the blades are installed, any divisor of said quantity of mounting holes serves as a guide for a number of mounting holes between mounted blades. | 07-12-2012 |
Patent application number | Description | Published |
20140168346 | APPARATUS AND METHOD FOR PROVIDING VIDEO CALL IN PORTABLE TERMINAL - Various embodiments of the invention provide an apparatus and method for providing a video call in a portable terminal. The method includes displaying a plurality of first image data in a predetermined first area; transmitting the a plurality of the first image data; receiving a plurality of second image data from another portable terminal; and displaying the plurality of the second image data in a predetermined second area. | 06-19-2014 |
20140184846 | METHOD FOR RUNNING CAMERA AND ELECTRONIC DEVICE THEREOF - A method usable by an electronic device executes at least one application operating a first camera and a second camera and determines whether an image acquired by the second camera is shaded by an object obscuring a portion of the acquired second camera image. In response to a determination the acquired second camera image is shaded, the method displays on a preview screen an image acquired by the first camera. | 07-03-2014 |
20140365970 | METHOD FOR EXECUTING PROGRAM AND ELECTRONIC DEVICE THEREOF - A method in an electronic device, includes receiving an instruction including an implicit call, identifying at least one program corresponding to the instruction of the implicit call, when a number of the identified program is more than one, providing a first program of the identified program corresponding to the implicit call, and displaying a second program of the identified program corresponding to the implicit call during running of the first program. An electronic device includes a processor configure to create an object representing an implicit call, provide a plurality of programs to created object, determine a first program among the plurality of programs, and execute the first program when the object is selected, and provide at least one second program among the programs during executing the first program. | 12-11-2014 |
20140376779 | ELECTRONIC DEVICE FOR EXTRACTING DISTANCE OF OBJECT AND DISPLAYING INFORMATION AND METHOD THEREOF - An electronic device for extracting a distance of an object and displaying information and a method thereof. The method includes extracting relative distance information of at least two or more objects using a pixel distribution diagram sensed using a sensor of the electronic device and displaying information on an object with a relative value in which the extracted relative distance information and object analysis information are reflected. | 12-25-2014 |
20150015741 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING IMAGE DISPLAY - An electronic device and a method for controlling photographic capture. A first image is acquired by a first camera having a first viewing angle. A second image is acquired by a second camera having a second viewing angle, the second viewing angle being different from the first viewing angle. The first image is overlaid with at least one object from the second image, or an icon corresponding to the object. The first camera and the second camera are mounted to a same surface, or to disparate surfaces relative to one another. Photographic capture or control is triggered in response to movement of the object. | 01-15-2015 |
20150017963 | METHOD, ELECTRONIC DEVICE, AND COMPUTER READABLE RECORDING MEDIUM FOR PROVIDING LOCATION BASED SERVICES - An electronic device provides location-based services. The electronic device may include a communication module configured to receive information on a wireless network device, including identification information of at least one electronic device, from the wireless network device. The electronic device may also include a controller configured to perform at least some functions of the electronic device, based on at least one piece of action information corresponding to the identification information, when the identification information corresponding to the electronic device is included in the received information. | 01-15-2015 |
20150046846 | APPARATUS AND METHOD FOR SHARING INFORMATION IN TERMINAL - An apparatus and a method for sharing information in a terminal are disclosed. At least one application is selected and sharing information including an icon and an identifier associated with the selected application is generated. The generated sharing information is transmitted to at least another terminal. | 02-12-2015 |
20150095833 | METHOD FOR DISPLAYING IN ELECTRONIC DEVICE AND ELECTRONIC DEVICE THEREOF - A method for operating an electronic device includes displaying a first input window on a screen, displaying a first input window in a first layer on a screen; displaying a virtual keyboard in a second layer over the first layer; determining whether the virtual keyboard is overlapped with the first input window; and in response to determine whether the virtual keyboard is overlapped with the first input window: displaying a second input window in a third layer over the second layer wherein the second input window is not overlapped with the virtual keyboard, or adjusting a transparency of the virtual keyboard. Other embodiments including an electronic device and a computer-readable medium are also disclosed. | 04-02-2015 |
20150106706 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING OBJECT DISPLAY - An electronic device and a method for controlling an object display are provided. The method of controlling an object display includes displaying at least one input object on a screen, creating and storing property information of the at least one displayed object, creating a preview window in a region of the screen so as to display the at least one object on the preview window, and controlling a display of the object by using the property information of the at least one selected object in correspondence to the at least one displayed object. | 04-16-2015 |
20150302242 | METHOD OF PROCESSING CONTENT AND ELECTRONIC DEVICE USING THE SAME - A method for processing content in an electronic device and an electronic device for doing the same are provided. The method includes acquiring content including at least one character, and performing at least one of classifying the acquired content into at least one of a plurality of categories by analyzing the acquired content or generating vector images including a vector image corresponding to the at least one character based on the acquired content and displaying at least a part of the vector images on a display functionally connected to the electronic device. | 10-22-2015 |
20160007402 | METHOD AND APPARATUS FOR CONNECTING TO PACKET DATA NETWORKS IN WIRELESS COMMUNICATION SYSTEM - Various embodiments of the present disclosure relate to a method and apparatus for connecting to multiple Packet Data Networks (PDNs) in a wireless communication system using a Carrier Aggregation (CA) technique. In the wireless communication system using the CA technique for aggregating multiple carriers into one carrier, the wireless communication system may ensure Quality of Service (QoS) of a subscriber by mapping multiple carriers and multiple PDNs on the basis of a dynamic CA carrier. Various embodiments are possible. | 01-07-2016 |
20160028669 | METHOD OF PROVIDING CONTENT AND ELECTRONIC DEVICE THEREOF - According to various embodiments, a method for providing content in an electronic device includes: providing content through a display functionally connected to the electronic device; selecting at least one object included in the content based on a user input; and connecting an input comment to the at least one selected object when the comment corresponding to the at least one selected object is input. The method for providing content in an electronic device can be implemented through various embodiments of the present disclosure. | 01-28-2016 |
20160054903 | METHOD AND ELECTRONIC DEVICE FOR IMAGE PROCESSING - A method and an electronic device are provided for image processing. The electronic device displays a composition selection guide having at least one composition item corresponding to at least one object in an image, on at least one display connected to the electronic device. An input is received relating to a selection of a composition item from the at least one composition item of the composition selection guide. At least one composition image corresponding to the composition item is acquired. The at least one composition image is displayed on the at least one display. | 02-25-2016 |
20160119770 | METHOD FOR SCANNING NEIGHBORING DEVICES AND ELECTRONIC DEVICE THEREOF - A method and electronic device implementing the same is disclosed. The electronic device includes an antenna, a communication module, and at least one processor. The processor may implemented the method, including determining, by at least one processor, directional information associated with a certain orientation of transmission or reception, transmitting, by a communication module, a scan request message comprising the directional information through wireless communication, and receiving a scan response message responding to the scan request message through the wireless communication. | 04-28-2016 |
Patent application number | Description | Published |
20100065912 | STACKED SEMICONDUCTOR DEVICE AND RELATED METHOD - A stacked semiconductor device and a method for fabricating the stacked semiconductor device are disclosed. The stacked semiconductor device includes a first insulating interlayer having an opening that partially exposes a substrate, wherein the substrate includes single crystalline silicon, and a first seed pattern that fills the opening, wherein the first seed pattern has an upper portion disposed over the opening, and the upper portion is tapered away from the substrate. The stacked semiconductor device further includes a second insulating interlayer formed on the first insulating interlayer, wherein a trench that exposes the upper portion of the first seed pattern penetrates the second insulating interlayer, and a first single crystalline silicon structure that fills the trench. | 03-18-2010 |
20130156463 | IMAGE FORMING APPARATUS - An image forming apparatus is provided. The apparatus includes a body provided with an opening at one side thereof, a developing tray movably installed at the opening, a plurality of developing units mounted to the developing tray, and a pair of frames forming opposite inner sides of the body. The frames are provided with a plurality of seating grooves to support lower ends of the developing units such that the developing units are supported by the frames, and therefore the positions of the photosensitive bodies of the developing units with respect to other constituents supported by the frames may be accurately regulated. | 06-20-2013 |
20140159621 | METHOD AND SYSTEM FOR DETECTING FAULT OF PARALLEL COIL TYPE PERMANENT MAGNET MOTOR - Disclosed are a method and system for detecting a fault of a parallel coil type permanent magnet motor. This method includes driving a parallel coil type motor on the basis of a pre-defined current reference value, detecting a phase current vector of the motor, and calculating a current compensation value for removing a negative sequence component of the motor on the basis of the phase current vector. | 06-12-2014 |
20140160602 | METHOD AND SYSTEM FOR DETECTING FAULT OF SERIAL COIL TYPE PERMANENT MAGNET MOTOR - A method and system for detecting a fault of a serial coil type permanent magnet motor includes driving the motor based on a predefined current reference value, detecting a phase current vector of the motor, and calculating a current compensation value for removing a negative sequence component of the motor based on the phase current vector. The current compensation value is provided to a negative sequence current controller for calculating a faulty phase and a degree of a fault of the motor using the output of the negative sequence current controller and a fault model to which induced magnetic flux variations in a specific slot of a specific faulty phase of the motor and other slots of the same phase as the specific phase are applied, and applying a current reference value to which the calculated faulty phase and degree of fault are applied. | 06-12-2014 |
20140369385 | APPARATUS AND METHOD FOR ESTIMATING TEMPERATURE OF MOTOR USING HALL SENSOR - The present disclosure relates to an apparatus and method for estimating a temperature of a motor using a Hall sensor. The method includes detecting, at a digital Hall sensor, a position of a rotor included in a motor and outputting an on signal in an operating period and an off signal in a release period according to a relative position of the rotor, calculating, at a temperature determining module, a difference between duration of the operating period and duration of the release period according to an output waveform of the digital Hall sensor, and then determining, at the temperature determining module, a temperature of the motor with reference to a temperature corresponding to the duration difference. Accordingly, it is possible to estimate the internal temperature of a motor without installing a temperature sensor in the motor, to maintain a small size of the motor, and to reduce production costs. | 12-18-2014 |
20150270715 | POWER GENERATION METHOD AND SYSTEM OF POWER GENERATOR - Provided are a power generation method and system of a power generator that can allow an output power of the power generator to be constant and cope with a case in which the velocity of a power generation source changes very quickly at a low lost. The power generation method includes determining a reference total power intended to be generated by a plurality of power generators, calculating a current command value through the reference total power and an instantaneous velocity sensed by each of the plurality of power generators, and regulating an output current of the power generator using the calculated current command value such that a total power output by the plurality of power generators is approximate to the reference total power. | 09-24-2015 |
Patent application number | Description | Published |
20120248945 | POLYMER BLEND COMPOSITION AND TUNABLE ACTUATORS USING THE SAME - The present invention relates to one of energy conversion devices, actuator and a dielectric layer used in the actuator. The present invention provides a polymer blend composition capable of easily controlling the ability of converting electrical energy to mechanical energy, which is prepared by blending a piezoelectric polymer with a flexible elastomeric block copolymer showing an effective miscibility therewith, and a tunable actuator using the same. | 10-04-2012 |
20120282532 | BLOCK COPOLYMER ELECTROLYTE COMPOSITE MEMBRANES AND METHODS OF PRODUCING THE SAME - The present invention relates to block copolymer electrolyte composite membranes with improved ionic conductivity. The block copolymer electrolyte composite membrane in accordance with an aspect of the present invention can comprise a plate-like inorganic filler as surface-modified with a sulfonic group; and a block copolymer comprising at least one selected from the group consisting of a sulfonic group, a carbonic acid group, and a phosphoric acid group. | 11-08-2012 |
20120286627 | POLYMER BLEND COMPOSITION AND ACTUATORS USING THE SAME - The present invention relates to a polymer blend composition comprising a dielectric elastomer, an actuator film manufactured using the same, and an actuator comprising the film. The polymer blend composition according to the present invention comprises a block copolymer having excellent compatibility with the dielectric elastomer and excellent dielectric properties, and thus displacement values suitable for the purpose can be obtained by a simple method of adjusting a composition of the polymer blend. Moreover, the film manufactured using the same has high dielectric constant, low dielectric loss and high electromechanical displacement, and thus the film exhibits excellent dielectric properties when it is applied in a dielectric layer for an actuator. | 11-15-2012 |
20150275378 | METHOD FOR PREPARATION OF GRAPHENE USING SPONTANEOUS PROCESS - The present invention relates to a method for preparing graphene using a spontaneous process, and particularly, to a method for mass-producing high-quality graphene composed of a single layer or several layers by using lithium intercalation of a graphite electrode occurring during the process of charging a lithium ion battery and a lithium ion capacitor in the preparation of graphene to form a graphite intercalation compound, and performing exfoliation through a reaction with water (or alcohol). | 10-01-2015 |
Patent application number | Description | Published |
20080311308 | Composition for Functional Coatings, Film Formed Therefrom and Method for Forming the Composition and the Film - The present invention relates to compositions for functional films, and more particularly to compositions for functional films such as a heat ray screening film compatible with hydrolic or alcoholic and anti-hydrolic resin binder, a near infrared screening film, a chrominance correcting film, a conductive film, a magnetic film, a ferromagnetic film, a dielectric film, a ferroelectric film, an electrochromic film, an electroluminescence film, an insulating film, a reflecting film, a reflection preventing film, a catalyst film, a photocatalyst film, a light selectively absorbing film, a hard film, and a heat resisting film, films formed therefrom, and a method of forming the compositions and the films. | 12-18-2008 |