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Chang Hun
Chang Hun Cho, Gangju KR
| Patent application number | Description | Published |
|---|---|---|
| 20090261701 | Damping unit and refrigerator having the same - Disclosed is a refrigerator. The refrigerator includes a body, a refrigerator door for opening/closing a front surface of the body, with the refrigerator door having an opening, an auxiliary door for opening/closing the opening of the refrigerator door, and a damping unit coupled to a hinge shaft of the auxiliary door to control an opening/closing speed of the auxiliary door. The damping unit includes a case, a rotating member rotatably installed in the case, oil filled in the case to apply resistance against rotation of the rotating member, a fixing member coupled to an end portion of a rotating shaft of the rotating member to rotate together with the rotating member, and an elastic member provided between the case and the fixing member to apply elastic force to the fixing member in a direction opposite to an opening direction of the auxiliary door. It is possible to stably rotate the auxiliary door while controlling the rotational speed of the auxiliary door. | 10-22-2009 |
Chang Hun Cho, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090058788 | APPARATUS AND METHOD OF DRIVING DATA OF LIQUID CRYSTAL DISPLAY DEVICE - An apparatus and method of driving data of a liquid crystal display device is disclosed, which can minimize an electromagnetic interference EMI noise by decreasing an output peak current of a data driver, the apparatus comprising a timing controller for supplying a reference source output enable signal; a delay circuit for delaying the reference source output enable signal and supplying a plurality of source output enable signals provided with the different delay times; and a data driver, including a plurality of data ICs to divide and drive data lines of a liquid crystal panel into a plurality of data blocks, for dispersing data output timing of the plurality of data ICs in response to the plurality of source output enable signals. | 03-05-2009 |
Chang Hun Han, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100026869 | IMAGE SENSOR AND METHOD FOR MANUFACTURING THE SAME - An image sensor and a method for manufacturing the same are provided. The image sensor comprises a readout circuitry, an interlayer dielectric, an interconnection, and a CuInGaSe2 (CIGS) image sensing device. The readout circuitry is disposed on a first substrate. The interlayer dielectric is disposed over the first substrate. The interconnection is in the interlayer dielectric and electrically connected to the readout circuitry. The CIGS image sensing device is disposed over the interconnection and electrically connected to the readout circuitry through the interconnection. | 02-04-2010 |
| 20100103298 | Image Sensor and Method for Manufacturing the Same - Disclosed are an image sensor and a method for manufacturing the same. The image sensor includes readout circuitry and an inter-layer dielectric layer on a first substrate, a metal line in the inter-layer dielectric layer and electrically connected with the readout circuitry, a plurality of contact plugs on the metal line, and an image sensing device on the contact plugs. The image sensing device is electrically connected to the metal line through the plurality of contact plugs. The method for manufacturing an image sensor includes forming a readout circuitry on a first substrate, forming an inter-layer dielectric layer on the first substrate, forming a metal line in the inter-layer dielectric layer such that the metal line is electrically connected with the readout circuitry, forming a plurality of contact plugs on the metal line per unit pixel, and forming an image sensing device on the plurality of contact plugs. | 04-29-2010 |
| 20100110247 | IMAGE SENSOR AND METHOD FOR MANUFACTURING THE SAME - Provided are an image sensor and a method for manufacturing the same. The image sensor comprises a readout circuitry, an electrical junction region, a poly contact, an interconnection, and an image sensing device. The readout circuitry is formed on a first substrate. The electrical junction region is formed in the first substrate. The electrical junction region is electrically connected to the readout circuitry. The poly contact is formed on the electrical junction region. The interconnection is formed on the poly contact. The image sensing device is formed on the interconnection. The image sensing device is electrically connected to the readout circuitry through the interconnection, the poly contact, and the electrical junction region. | 05-06-2010 |
Chang Hun Han, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090205175 | ACCESSORIES FOR STRING OF FOOTWEAR - The present invention relates to a shoelace accessory provided to a shoelace to create an aesthetic appearance on the midfoot portion of a shoe while preventing the shoelace from being loosened, by preventing respective ornamental elements, threaded on the shoelace, from being moved or deformed. The shoelace is inserted through pairs of eyelets of an eyestay provided to the midfoot portion of a shoe so that the shoelace can be tightened and loosened to allow the shoe to be secured around a wearer's foot in conformity with a size of the foot, ornamental elements are threaded on the shoelace such that they are respectively placed between the respective pairs of eyelets and are positioned side by side in a rearward direction so as to independently or cooperatively provide an aesthetic appearance, and stoppers are integrally formed on surfaces of the ornamental elements. | 08-20-2009 |
Chang Hun Han, Icheon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20080203451 | CMOS image sensor and method for fabricating the same - A CMOS image sensor and a method for fabricating the same are provided, in which an N type region of a photodiode is prevented from adjoining a device isolation film and a dark current is reduced. The CMOS image sensor includes an interlayer dielectric film formed between a gate poly and a power line, a contact formed in the interlayer dielectric film, and an epitaxial layer connected with the contact and formed only in a blue photodiode region. | 08-28-2008 |
| 20080265297 | CMOS image sensor and method for manufacturing the same - A CMOS image sensor and a method for manufacturing the same are disclosed, in which a blue photodiode is imparted with a greater thickness to improve sensitivity of blue light. The blue photodiode of a CMOS image sensor includes a first lightly doped P-type epitaxial layer formed on a heavily doped P-type semiconductor substrate; a gate electrode of a transfer transistor formed on the first epitaxial layer; a first N-type blue photodiode region formed on the first epitaxial layer; and a second N-type blue photodiode region formed on the first epitaxial layer corresponding to the first blue photodiode region. | 10-30-2008 |
| 20090189206 | CMOS image sensor and method of fabricating the same - A CMOS image sensor and method for fabricating the same, wherein the CMOS image sensor has minimized dark current at the boundary area between a photodiode and an isolation layer. The present invention includes a first-conductivity-type doping area formed in the device isolation area of the substrate, the first-conductivity-type doping area surrounding the isolation area and a dielectric layer formed between the isolation layer and the first-conductivity-type doping area, wherein the first-conductivity-type doping area and the dielectric layer are located between the isolation layer and a second-conductivity-type diffusion area. | 07-30-2009 |
Chang Hun Hwang, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110027462 | FAST DEPOSITION SYSTEM AND METHOD FOR MASS PRODUCTION OF LARGE-AREA THIN-FILM CIGS SOLAR CELLS - Disclosed herein is a fast deposition system and method for mass production of large-area thin-film CIGS solar cells. The fast deposition system includes: a deposition chamber; a plurality of source chambers each coupled at one side thereof to one outer side or both outer sides of the deposition chamber through an opening and closing device, each source chamber including a crucible unit adapted to evaporate a source material; a plurality of effusion nozzle units disposed inside the deposition chamber and detachably engaged with a plurality of crucible units in such a fashion as to fluidically communicate with the crucible units, each of the effusion nozzle units including a plurality of nozzles longitudinally formed at a bottom surface thereof and having an inner space of a predetermined size; and a moving means adapted to forwardly and backwardly move the crucible unit in each of the source chambers. | 02-03-2011 |
Chang Hun Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110188483 | COMMUNICATION TERMINAL AND METHOD FOR DATA TRANSMISSION - A communication terminal captures an image of a device having a local area wireless communication function, displays the image on a screen, and performs local area wireless communications with the device while further displaying data stored in the device on the screen. | 08-04-2011 |
| 20110189955 | MOBILE TERMINAL AND COMMUNICATION METHOD USING THE SAME - Mobile terminals and a communication method using the same in which a mobile terminal includes a display unit to display image information processed in the mobile terminal; a conversion unit to convert an image signal corresponding to the image information output from the display unit into an electric signal; and an electrical output unit to output the electric signal converted by the conversion unit. Further, a mobile terminal includes an electrical reception unit to receive an electric signal for image information; a conversion unit to convert the electric signal received by the electrical reception unit into an image signal; and a display unit to display image information corresponding to the image signal converted by the conversion unit. | 08-04-2011 |
Chang Hun Lee, Anyang-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090177937 | METHOD FOR RESOURCE ALLOCATION FOR HYBRID-AUTOMATIC REPEAT REQUEST - A resource allocation method for a HARQ is disclosed. This resource allocation method includes, transmitting an MAP message having specific information indicating whether or not a differential allocation is supported, storing MAP information contained in the MAP message during a predetermined frame, and upon receiving an NACK message during the predetermined frame, transmitting sub-burst information having differential allocation information related to sub-bursts to be retransmitted. If there are a large amount of HARQ traffics, each embodiment of the present invention transmits only differential information on the basis of MAP information of the initial MAP message when HARQ sub-bursts is retransmitted. | 07-09-2009 |
| 20110013573 | METHOD FOR REQUESTING BANDWIDTH IN A WIRELESS ACCESS SYSTEM - A method for requesting a bandwidth in a wireless access system is disclosed. In the method for requesting a bandwidth in a wireless access system, when a base station receives an uplink MAC PDU from a mobile station, if there is a polling request field in a generic MAC header, the base station allocates a bandwidth, which can transmit a BR header, to the mobile station. Then, the mobile station transmits a BR header to a region allocated from the base station so as to be allocated with a resource for transmitting data from the base station and to transmit data to the region. | 01-20-2011 |
Chang Hun Lee, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090096950 | THIN FILM TRANSISTOR PANEL - A thin film transistor panel is provided. The thin film transistor panel includes: a substrate; gate lines formed on the substrate; data lines insulated from the gate lines and intersecting the gate lines; thin film transistors which are connected to the gate lines and the data lines and have drain electrodes; capacitive coupling electrodes connected to the drain electrodes; and pixel electrodes which are formed in the pixels surrounded by the gate lines and the data lines and include first pixel electrodes connected to the drain electrodes and second pixel electrodes which are separated from the first pixel electrodes and overlap with the capacitive coupling electrodes, wherein the first and second pixel electrodes of different pixel electrodes have a left-right symmetrical structure. | 04-16-2009 |
| 20100208674 | METHOD FOR RECEIVING PREAMBLE FROM OTHER COMMUNICATION SYSTEM AND METHOD FOR ADAPTIVELY CHANGING THE MEASUREMENT GAP TO DISCOVER THE OTHER COMMUNICATION SYSTEM - A method for receiving a preamble signal of another communication system and a method for adaptively changing a measurement gap to discover another communication system are disclosed. A method for receiving a preamble signal from a base station of a second communication system by a communicating mobile station in a first communication system includes receiving measurement gap scheduling information from a base station of the first communication system, if a preamble signal of the second communication system is not received during an assigned measurement gap, changing the measurement gap, and receiving the preamble signal of the second communication system during the changed measurement gap. | 08-19-2010 |
| 20100290411 | METHOD OF ALLOCATING RADIO RESOURCE IN BROADBAND WIRELESS ACCESS SYSTEM - A method for allocating resource regions in a wireless access system is provided. This method collectively allocates resources in non-consecutive frames. Specifically, a message, including allocation information used to collectively and non-consecutively allocate identical resource regions, is received from a base station and data is transmitted or received through the allocated resource regions. Since identical resource regions are collectively allocated in multiple frames, it is possible to reduce both the number of transmissions of a MAP message and MAP overhead in a network. | 11-18-2010 |
Chang Hun Oh, Gyeongsangnam-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20120112708 | Control Device for Doubly-Fed Induction Generator in Which Feedback Linearization Method is Embedded - The present invention relates to a control device for a doubly-fed induction generator in which a feedback linearization method is enabled and further provides a control device for a doubly-fed induction generator in which a feedback linearization method is embedded, characterized in that the control device divides and measures positive sequency components and negative sequency components from stator voltage and current, rotor voltage and current, and signals of stator magnetic flux and rotor magnetic flux of the doubly-fed induction generator. | 05-10-2012 |
Chang Hun Park, Daegu-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20110048965 | Composition for plasma electrolytic oxidation (PEO) treatment of Magnesium alloy products - Disclosed herein is a composition for plasma electrolytic oxidation (PEO) treatment of magnesium alloy products, which contains a sodium hydroxide (NaOH) solution as a main component, the composition comprising, based on the weight of sodium hydroxide contained in the sodium hydroxide solution: 1-20 wt % of sodium fluoride (NaF); 1-15 wt % of trisodium phosphate (Na | 03-03-2011 |
Chang Hun Yoo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20120074215 | METHOD FOR GENERATING AN IMAGE FILE FOR FORGERY VERIFICATION AND A METHOD FOR FORGERYVERIFICATION OF AN IMAGE FILE - The present invention is related to a method for generating an image file for forgery verification and a method for forgery verification. A method for generating an image file for forgery verification according to the present invention consists of a generating a bit map of the image file, a generating a horizontal check logic, a vertical check logic, and a check logic of each region from the bit map, a generating a two-dimensional bar code from the horizontal check logic, the vertical check logic, and the check logic of each region, and a generating an image file for forgery verification into which the two-dimensional bar code is inserted. A method for forgery verification according to the present invention consists of a generating a first horizontal check logic, a first vertical check logic, and a first check logic of each region from the bit map by generating a bit map of an image file for forgery verification into which a two-dimensional bar code is inserted, a generating a second horizontal check logic, a second vertical check logic, and a second check logic of each region from the two-dimensional bar code, and a comparing the first and the second horizontal check logics, the first and the second vertical check logics, and the first and the second check logics of each region. | 03-29-2012 |