Patent application number | Description | Published |
20080290831 | FUEL CELL SYSTEM COMPRISING BATTERY AND METHOD OF CONSUMING RESIDUAL FUEL IN THE FUEL CELL SYSTEM - A fuel cell system having a back-up battery and a method of consuming residual fuel in the fuel cell system in which the fuel cell system includes a fuel cell, a system controller, a back-up battery, a converter, a fuel supply control, and a driver to drive the fuel supply control, and a charger disposed between the converter and a load. A power output end of the charger is directly connected to the back-up battery via a switch. The converter includes a first converter connected to the back-up battery and a second converter connected to the fuel cell, and the first and second converters are commonly connected to the charger. | 11-27-2008 |
20090042073 | FUEL CELL SYSTEM CAPABLE OF SUPPLYING POWER OF VARIOUS LEVELS AND METHOD OF OPERATING THE SAME - A fuel cell system capable of supplying power at various levels and a method of operating the same includes a power unit having a stack, a power generation unit including unit cells, and a switch group to connect the unit cells in series or in parallel wit. The switch group may include a first switch to connect anodes of two neighboring unit cells, a second switch to connect cathodes of the two neighboring unit cells, and a third switch to connect the two neighboring unit cells in series. | 02-12-2009 |
20090145483 | Novel electroluminescent compounds and organic electroluminescent device suing the same - The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 06-11-2009 |
20090153037 | Novel red electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 06-18-2009 |
20090159130 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 06-25-2009 |
20090174316 | Novel red electroluminescent compounds and organi electroluminescent device using the same - The present invention relates to novel red phosphorescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The red phosphorescent compounds according to the invention are represented by Chemical Formula (1): | 07-09-2009 |
20090184629 | Novel red electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel red phosphorescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. | 07-23-2009 |
20090184631 | Novel red electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The novel organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 07-23-2009 |
20090252990 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 10-08-2009 |
20090261714 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds exhibiting high luminous efficiency, and organic electroluminescent devices comprising the same. The novel organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): | 10-22-2009 |
20100015478 | METHOD AND APPARATUS FOR MEASURING METHANOL VAPOR CONCENTRATION, METHOD OF CONTROLLING METHANOL VAPOR CONCENTRATION IN A FUEL CELL, AND FUEL CELL USING THE SAME - A method of measuring methanol vapor concentration on a real-time basis and a methanol vapor concentration measuring apparatus used in fuel cells. The method of measuring methanol vapor concentration involves using an absorption spectrometry technique, that is, after measuring intensities I | 01-21-2010 |
20100045170 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices employing the same as electroluminescent material. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1). | 02-25-2010 |
20100059114 | SOLAR CELL - A solar cell includes a p-n structure having a first conductive semiconductor substrate, a second conductive semiconductor layer formed on the first conductive semiconductor substrate and having a conduction opposite to the first conductive semiconductor substrate, and a p-n junction formed at an interface between the first conductive semiconductor substrate and the second conductive semiconductor layer; a passivated layer formed on the second conductive semiconductor layer and composed of silicon oxynitride with a refractive index of 1.45 to 1.70; an anti-reflection film formed on the passivated layer and composed of silicon nitride; a front electrode connected to the second conductive semiconductor layer with passing through a part of the passivated layer and the anti-reflection film and exposed outward; and a rear electrode formed at an opposite side to the front electrode with the first conductive semiconductor substrate being interposed therebetween to be connected to the first conductive semiconductor substrate. | 03-11-2010 |
20100079629 | APPARATUS AND METHOD FOR CORRECTING DEFECTIVE PIXEL - Disclosed is an apparatus for correcting a value of a defective pixel based on values of neighboring pixels of the defective pixel, the apparatus includes a plurality of first-stage median filters for receiving a value of a target pixel and values of neighboring pixels of the target pixel, and outputting median values of the received values; and at least one second-stage median filter for receiving the value of the target pixel and the median values from the first-stage median filters, and outputting a median value of the values received by the second-stage median filter. | 04-01-2010 |
20100214434 | APPARATUS AND METHOD FOR ADJUSTING WHITE BALANCE OF DIGITAL IMAGE - A method and an apparatus are provided for adjusting white balance of a digital image. An input image is converted into a YCbCr color space. White pixels of the converted input image are detected by determining whether each pixel of the converted input image is included in a preset region of the YCbCr color space. A gain of each channel is calculated from averages of R, G and B values of the detected white pixels. White balance adjustment is performed by applying the calculated gain of each channel to each pixel of the input image. | 08-26-2010 |
20100226579 | IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING AN EDGE OF AN OBJECT WITHIN AN IMAGE - An image processing method and apparatus capable of easily detecting an edge of an object from an input image, in which the edge is detected using one step, without a pre-processing step, and a complicated trigonometric function is not used for gradient detection. The image processing method includes setting a window within an input image, analyzing the window to determine directions of edges of objects within the image included in the window, detecting edge information including the edge directions, and processing and outputting the window using the edge information. | 09-09-2010 |
20100227429 | Fabrication of image sensor with improved signal to noise ratio - For fabricating an image sensor, an isolation structure is formed to define a first active region of a semiconductor substrate. A first transistor and a second transistor of a unit pixel are formed in the first active region. In addition, a threshold voltage lowering region is formed in a portion of the semiconductor substrate near a portion of the isolation structure abutting the second transistor in the first active region. The threshold voltage lowering region causes the second transistor to have a respective threshold voltage magnitude that is lower than for the first transistor. The threshold voltage lowering region is formed simultaneously with a passivation region in a second active region having a photodiode formed therein. | 09-09-2010 |
20100238316 | APPARATUS AND METHOD FOR CLASSIFYING IMAGES - An image classification apparatus and method for Automatic White Balance (AWB) are provided. An input image is divided into blocks including pluralities of pixels. A hue value and a chroma value are calculated for each of the blocks. A color-changed block is detected by calculating, for each one of the blocks, differences between the hue and chroma values calculated for all blocks adjacent to the one of the blocks and the hue and chroma values calculated for the one of the blocks. A hue variance and a chroma variance are calculated for the entire input image if a number of the detected color-changed blocks is greater than or equal to a first threshold. The input image is determined as a non-monochromatic image, if the hue variance is greater than or equal to a second threshold or the chroma variance is greater than or equal to a third threshold. | 09-23-2010 |
20100326504 | SOLAR CELL AND FABRICATION METHOD THEREOF - The present invention relates to a solar cell and a fabrication method thereof, whereby the method includes doping a silicon substrate having a first conductive type impurity with a second conductive type impurity, the second conductive type impurity being opposite to the first conductive type impurity, and thereby forming an emitter layer at a front surface part of the silicon substrate; forming an antireflection film on the emitter layer; forming a front electrode on the antireflection film; forming a rear electrode on a rear surface of the silicon substrate; and forming a back surface field layer at a rear surface part of the silicon substrate, the back surface field layer having a concentration of the first conductive type impurity that is higher than that of the silicon substrate, the back surface field layer having a different concentration of the second conductive type impurity from that of the emitter layer. | 12-30-2010 |
20110007969 | METHOD AND APPARATUS FOR CORRECTING LENS SHADING - A lens shading correction method and apparatus are provided for removing vignetting occurring in digital images due to lens shading. A white image captured by an image pickup device and an image pickup unit is separated into reference white images corresponding to color channels. A vignetting center having a maximum light intensity is estimated in each of the reference white images. Multiple reference segments on each of the reference white images are defined. A lens shading correction value corresponding to each pixel constituting the reference segments are calculated using a corresponding light intensity. A lens shading correction function corresponding to each reference segment is derived using a corresponding lens shading correction value. Vignetting of a general image received in a general image processing mode is removed, using the derived multiple lens shading correction functions. | 01-13-2011 |
20110086197 | Decoration stone array board - A decoration stone array board is disclosed, in which a user can select a desired motive design and can array decoration stones thereon. The decoration stone array board comprises a mounting member which is formed in a plate shape and has a mounting hole for mounting a decoration stone and has a guide wall formed along an edge portion, and a support member which is attached to a lower surface of the mounting member. | 04-14-2011 |
20110200137 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION REFERENCE SYMBOL IN RELAY NETWORK SYSTEM - An apparatus and method for transmitting/receiving a Channel State Information-Reference Symbol (CSI-RS) in a relay network system are provided. The method for transmitting a CSI-RS in a relay network system includes selecting a subframe to transmit a CSI-RS, from DownLink (DL) subframes, transmitting, to a receive end, identifying information indicating that a CSI-RS is transmitted at the selected subframe, and transmitting a CSI-RS at the selected subframe. | 08-18-2011 |
20110206035 | METHOD AND AN APPARATUS FOR SESSION ROUTING IN HOME NETWORK SYSTEM - Relating to a home network system, methods for configuring sessions in a home network system and setting up optimized paths of the configured sessions and apparatuses for supporting the same. According to an embodiment, the method for computing a routing path includes the steps of transmitting a Link Status Request message data requesting Link information from a first device to a second device, receiving a Link Notify message including Link information on the second device from the second device, updating a Link Status table based upon the Link information on the second device, computing Routing Path information from a source device to a sink device based upon the Link Status table, and computing information on a transmission port being used in the routing path based upon the Routing Path information. | 08-25-2011 |
20110216050 | APPARATUS AND METHOD FOR ENHANCING READABILITY OF A CHARACTER - A method and apparatus are provided for enhancing the readability of a character. The method includes determining ambient light of a mobile terminal and controlling background color and character color of a character image according to the determined ambient light. The method may further include performing an additional control according to the types of displays when controlling the background color and character color. Through this, it is possible to display a character image with enhanced visibility, while minimizing current consumption. | 09-08-2011 |
20110243015 | MULTICARRIER COMMUNICATION SYSTEM, AND ADAPTIVE CARRIER SELECTION AND LINK QUALITY REPORTING METHOD FOR THE SAME - A link quality reporting method and apparatus, and a carrier selection method and apparatus, for a multicarrier communication system utilizing carrier aggregation are disclosed. In the system, the user equipment measures, for each component carrier divided into a Physical Downlink Shared Channel (PDSCH) resource region and a Physical Downlink Control Channel (PDCCH) resource region, link quality of the PDSCH resource region and the PDCCH resource region of the component carrier and sends measured link quality information as feedback information to the base station, and the base station adaptively selects a set of component carriers for control information transmission (i.e., a PDCCH Component Carrier (CC) SET) and a set of component carriers for data transmission (i.e., a DownLink (DL) CC SET) on the basis of the feedback information. | 10-06-2011 |
20110279660 | IR RECEIVER, AND LIQUID CRYSTAL SHUTTER GLASSES HAVING THE SAME - There are provided an IR receiver and liquid crystal shutter glasses with the same, and more particularly, an IR receiver and liquid crystal shutter glasses having the same to solve the problem in that a pair of the crystal liquid shutter glasses malfunctions by infrared generated from the surrounding environment, such as a halogen light. | 11-17-2011 |
20120104465 | IMAGE SENSOR - An image sensor including: a substrate that includes a first surface onto which light is irradiated, a second surface opposite to the first surface, and a light receiving device disposed adjacent to the second surface; a transistor that includes a source region, a drain region, and a gate electrode disposed between the source region and the drain region, wherein the transistor is disposed on the second surface of the substrate; a wiring line that is disposed on the second surface of the substrate; and a plurality of contact plugs that are disposed on the source region, the drain region, or the gate electrode, wherein at least one of the plurality of contact plugs is connected to the wiring line. | 05-03-2012 |
20120113211 | APPARATUS AND METHOD FOR CONFIGURING SCREEN FOR VIDEO CALL USING FACIAL EXPRESSION - Apparatus and method for configuring a screen for a video call using a facial expression by recognizing a face from an image, calculating facial expression information for an expression of the recognized face, and determining whether there is a change in expression of the recognized face by comparing the calculated facial expression information with reference expression information preset to determine a change in expression of the face. If there is a change in expression of the recognized face, the apparatus and method selects a video image corresponding to the changed expression in the video call screen, and reconfigures the video call screen using the selected video image, making it possible for a user to conveniently select an image of the interested person without taking extensive action, and preventing a wrong image from being selected due to the unintended user facial movement. | 05-10-2012 |
20120170133 | PROJECTION LENS UNIT FOR PICO-PROJECTOR - A projection lens unit for a pica-projector includes a plurality of plastic lenses and a single glass lens to minimize a change in focal length due to the heat generated inside the pico-projector. The lens array includes:
| 07-05-2012 |
20120170845 | APPARATUS AND METHOD FOR IMPROVING IMAGE QUALITY BASED ON DEFINITION AND CHROMA - An apparatus and method for improving image quality based on definition and chroma are provided. The method includes analyzing an input image; calculating a quantified definition value and a quantified chroma value of the input image; determining a definition parameter corresponding to the quantified definition value and a chroma parameter corresponding to the quantified chroma value; and applying the determined definition parameter and the determined chroma parameter to a frame of the input image. | 07-05-2012 |
20120314720 | METHOD AND AN APPARATUS FOR TRANSMITTING MESSAGES IN HOME NETWORK SYSTEM - Relating to a home network system and a home entertainment system, a method and an apparatus for transmitting packets in a home network system and a home entertainment system are disclosed. Additionally, a method for identifying devices to which the packets are to be transmitted and an apparatus for supporting the same are also disclosed herein. According to an embodiment, a method for transmitting a packet in a high definition base transmission (hereinafter referred to as HDBaseT) system includes the steps of receiving data from a source device in a transmission adaptor, converting the received data from the transmission adaptor to a downstream packet, in order to transmit the converted downstream packet to a receiving adaptor through an HDBaseT network, and transmitting the converted downstream packet to the receiving adaptor. At this point, the downstream packet may include a hierarchical identifier for identifying HDBaseT entities to which the downstream packet is to be transmitted. | 12-13-2012 |
20120324120 | METHOD AND AN APPARATUS FOR INITIATING A SESSION IN HOME NETWORK SYSTEM - A method and apparatus for initiating a session in a home network system are disclosed. A method for initiating a session over a HDBaseT network includes transmitting, by an initiation entity, a session initiation request message for initiating the session to at least one session partner selected by the initiation entity over an Ethernet network, and receiving a session initiation response message acting as a response to the session partner over the Ethernet network. The session initiation request message includes a first source reference field for identifying the initiation entity and a second final target reference (FTR) field for identifying the at least one session partner. | 12-20-2012 |
20130010634 | METHOD AND DEVICE FOR APPLYING ADAPTIVE LINK IN COMMUNICATION SYSTEM - Provided are a method and an apparatus of transceiving a signal using a link adaptation in a communication system, particularly, a method of dividing a resource region into a plurality of resource regions, and applying different line adaptations to the resource regions. A method of controlling a link of a terminal in a mobile communication system receives at least two downlink channel signals to estimate states of received channels, generates a channel discrepancy report when states of channels exceed a preset threshold, and reports the channel discrepancy report to a base station through a preset uplink channel. A method of controlling a link of a base station receives a channel discrepancy report through an uplink channel, and determines MCS and transmission power of downlink channels based on the received channel discrepancy report and transmits the determined MCS and transmission power to the terminal through a downlink channel. | 01-10-2013 |
20130240960 | IMAGE SENSOR - An image sensor having a sensor array area, a circuit area around the sensor array area, and a pad area adjacent to the circuit area includes a substrate, a multi-layer wiring structure including a plurality of wiring layers on a first surface of the substrate in the circuit area, at least one well in the substrate in the circuit area, and metal wiring that extends on a second surface of the substrate opposite to the first surface, from the pad area to the circuit area, and extends from the second surface into contacts with the at least one well. | 09-19-2013 |
20130249033 | IMAGE SENSOR AND METHOD OF FABRICATING THE SAME - An image sensor includes a substrate having a front side and a back side, an insulating structure containing circuits on the front side of the substrate, contact holes extending through the substrate to the circuits, respectively, and a plurality of pads disposed on the backside of the substrate, electrically connected to the circuits along conductive paths extending through the contact holes, and located directly over the circuits, respectively. The image sensor is fabricated by a process in which a conductive layer is formed on the back side of the substrate and patterned to form the pads directly over the circuits. | 09-26-2013 |
20140044121 | METHOD AND APPARATUS FOR SESSION ROUTING IN HOME NETWORK SYSTEM - A method for supporting a session routing in a High Definition Base transmission (HDBaseT) network, the method including receiving, by an HDbaseT device from a Routing Processor Entity (RPE) through the HDBaseT network, a Link Status Request message requesting Link status information; configuring a Link Status Notify message for supporting the session routing, the Link Status Notify message including Link status information; and transmitting the Link Status Notify message to the RPE through the HDbaseT network. The Link status information of the Link Status Notify message is used to update a Link Status table, the Link Status table is used to compute routing path information from a source device to a sink device in the HDbaseT network, the HDbaseT device provides a simultaneous transmission of multiple streams, a transmission of uncompressed data, and a power transmission through a single link, and the multiple streams are transmitted uncompressed. | 02-13-2014 |
20140104694 | PROJECTION LENS UNIT FOR PICO-PROJECTOR - A projection lens unit for a pico-projector includes a plurality of plastic lenses and a single glass lens to minimize a change in focal length due to the heat generated inside the pico-projector. The lens array includes:
| 04-17-2014 |
20140114447 | FUEL CELL SYSTEM AND ELECTRONIC DEVICE CONTROLLING THE SAME - A method of operating a fuel cell system which is controlled by an electronic device includes: transmitting a bit stream including a bit string which indicates identification information of the fuel cell system and a bit string which indicates status information of the fuel cell system to the electronic device through a serial communication line; receiving a bit stream including a bit string which indicates control information of the fuel cell system from the electronic device through the serial communication line; obtaining the control information of the fuel cell system from the received bit stream; and controlling power production of a fuel cell by controlling operations of peripheral devices of the fuel cell system based on the obtained control information of the fuel cell system. | 04-24-2014 |
20140359486 | APPARATUS AND METHOD FOR CONFIGURING SCREEN FOR VIDEO CALL USING FACIAL EXPRESSION - Apparatus and method for configuring a screen for a video call using a facial expression by recognizing a face from an image, calculating facial expression information for an expression of the recognized face, and determining whether there is a change in expression of the recognized face by comparing the calculated facial expression information with reference expression information preset to determine a change in expression of the face. If there is a change in expression of the recognized face, the apparatus and method selects a video image corresponding to the changed expression in the video call screen, and reconfigures the video call screen using the selected video image, making it possible for a user to conveniently select an image of the interested person without taking extensive action, and preventing a wrong image from being selected due to the unintended user facial movement. | 12-04-2014 |