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Joo-Young Kim, Suwon-Si KR

Joo-Young Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20080197345Copolymer, organic insulating layer composition, and organic insulating layer and organic thin film transistor manufactured using the same - Disclosed herein is a copolymer, which may include side chains which may decrease the surface energy of an insulating layer, thereby improving the alignment of a semiconductor material, and side chains including photoreactive functional groups having an increased degree of cross-linking, thereby improving the characteristics of an organic thin film transistor manufactured using the same, an organic insulating layer composition including the copolymer, an organic insulating layer, an organic thin film transistor, an electronic device including the same and methods of fabricating the same. According to the copolymer of example embodiments, the surface energy of an insulating layer may be decreased, so that the alignment of a semiconductor material may be improved, thereby improving the threshold voltage and charge mobility and decreasing the generation of hysteresis at the time of driving the transistor.08-21-2008
20080204399DRIVING METHOD FOR ELECTROPHORETIC DISPLAY - A driving method for an electrophoretic display including first electrodes, a second electrode, and electrophoretic particles positioned in pixel areas, includes applying a reset voltage to the particles, applying a reset compensation voltage having an opposite polarity to that of the reset voltage to the particles after applying the reset voltage, applying an image displaying compensation voltage having a same polarity as the reset compensation voltage to the particles positioned in at least one of the pixel areas after applying the reset compensation voltage, and applying an image displaying voltage having an opposite polarity to that of the image displaying compensation voltage to the particles positioned in the at least one of the pixel areas. Accordingly, the pixel electrode may be refreshed without inversed images such that the display performance of the electrophoretic display may be improved.08-28-2008
20080283829Organic insulator composition including a hydroxyl group-containing polymer, dielectric film and organic thin film transistor using the same - An organic insulator composition including a crosslinking agent and a hydroxyl group-containing oligomer or hydroxyl group-containing polymer is provided. A dielectric film and an organic thin film transistor (OTFT) using an organic insulator composition are also provided. A dielectric film may include a compound having hydroxyl group-containing oligomers or hydroxyl group-containing polymers linked by crosslinking using a crosslinking agent having at least two vinyl ether groups. An organic thin film transistor may include a gate electrode on a substrate, a gate insulating layer on the gate electrode, source and drain electrodes on the gate insulating layer and an organic semiconductor layer contacting the gate insulating layer, wherein the gate insulating layer includes an dielectric film as described above.11-20-2008
20080314652Touch sensitive display device, and driving method thereof - A display device having a contact sensing function, and a driving method thereof are disclosed in one embodiment. The driving method of a display device includes reading sense data signals of a current sensing unit row, determining whether the sense data signals are included in a contactable range and converting the sense data signals into preliminary signals that each have a predetermined value based on the determination result, determining whether a sensed area (an X axis sensed area) in an X axis direction exists using the preliminary signals, determining whether the X axis sensed area is effective when the X axis sensed area exists, determining whether a sensed area (a Y axis sensed area) in a Y axis direction exists when the X axis sensed area is effective, determining whether the Y axis sensed area is effective when the Y axis sensed area exists, determining a contact position when the Y axis sensed area is effective, and reading sense data signals of a next sensing unit row when the X axis sensed area or the Y axis sensed area is not effective.12-25-2008
20090040201DEVICE AND METHOD FOR DRIVING ELECTROPHORETIC DISPLAY TO DESIRED OPTICAL STATE - A drive controller for an electrophoretic display includes a data driver for applying image-altering drive signals to selected ones of a plurality of pixels where the driver includes: a memory unit for storing an alteration progress indicator and a target state indicator. In each of predetermined time spans such as successive display frames, image-altering drive signals are applied and the corresponding progress indicators are updated to reflect the application of the image-altering drive signals in the predetermined time spans. When the progress indicators indicate that the image-altering jobs are finished, the driver stops applying the image-altering drive signals to the respective pixels and instead applies a compensating signal to recover their original optical states. Different pixels can be updated in time-overlapping manner so that the electrophoretic display responds to new image commands in real-time.02-12-2009
20090046052ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF DRIVING SAME - An electrophoretic display (“EPD”) device includes an EPD panel to display an image, and a driving circuit to drive the EPD panel. To display an individual image, the driving circuit supplies a first refresh signal to display a black gray scale, a second refresh signal to display a white gray scale, an inverse image data signal to display an inversed image of the individual image, an image data signal to display the individual image, and a reset signal to provide a direct current unbalance between the first and second refresh signals to the EPD panel.02-19-2009
20090052422SYSTEM AND METHOD FOR PROVIDING LOCATION INFORMATION - Disclosed is a method for providing location information of a terminal by using an Session Initiation Protocol (SIP). To this end, a location request and a location estimate are transferred between terminals by using messages used in the SIP. In particular, it is possible to receive location information of a counterpart during communication, or transfer the location information of its own to a counterpart, in consideration of the fact that real-time voice service mainly uses the SIR Moreover, it is possible to request and transmit location information on using multimedia services. Therefore, a terminal or a server using the SIP easily uses location information, so that it is possible to provide new services inter-working with location services.02-26-2009
20090058846METHOD FOR DRIVING AN ELECTROPHORETIC DISPLAY - The display of after-images is prevented in an electrophoretic display by applying one gray of at least three different grays through at least some of the pixels, applying a middle gray through at least some of the plurality of pixels, and applying a final compensation voltage to refresh the plurality of pixels03-05-2009
20090096744DISPLAY DEVICE AND GAMMA DATA ADJUSTING METHOD THEREOF - A display device including a display panel which displays an image, a signal controller which comprises a gamma data storing unit, and receives an external signal to drive the display panel. The signal controller extracts a gamma data signal from the external signal, stores the gamma data signal in the gamma data storing unit, and controls displaying of an image based on the gamma data signal to the display panel.04-16-2009
20090121939SYSTEM AND METHOD FOR PROVIDING TRIGGERED LOCATION INFORMATION - A system and a method for enabling a Home-SUPL Location Platform (H-SLP) to rapidly identify a currently available positioning method of a target SUPL-Enabled terminal (target SET) are provided. To this end, a message, including positioning capabilities (SET capabilities) which represent whether one or more positioning methods exist, to be transmitted from the target SET to the H-SLP is configured to additionally include information representing whether each positioning method is currently available. Accordingly, even if an electric wave environment of the target SET is changed or a positioning method is changed, the H-SLP can rapidly and efficiently perform a positioning because it always recognizes a currently available positioning method.05-14-2009
20090189149Composition for producing insulator and organic insulator using the same - Disclosed herein is a composition for producing an insulator. More specifically, the composition comprises a silane-based organic-inorganic hybrid material containing one or more multiple bonds, an acrylic organic crosslinking agent and a silane-based crosslinking agent having six or more alkoxy groups. Also disclosed herein is an organic insulator produced using the insulator composition. The organic insulator is highly crosslinked to facilitate the fabrication of an organic thin film transistor in terms of processing.07-30-2009
20090206330Organic insulator composition, organic insulating layer including the composition, and organic thin film transistor including the same - An organic insulator composition according to example embodiments may include an organic insulating polymer and an epoxy-based crosslinking agent. The epoxy-based crosslinking agent may have an alkyl group or a fluorine-based side chain. The organic insulator composition may be used to form an organic insulating layer having increased chemical resistance. The organic insulating layer may be used in an organic thin film transistor as a gate insulating layer. Consequently, the occurrence of hysteresis may be reduced or prevented during the operation of the organic thin film transistor, thus resulting in relatively homogeneous properties.08-20-2009
20090231266ELECTROPHORETIC DISPLAY APPARATUS AND OPERATING METHOD THEREOF - Disclosed are embodiments of an electrophoretic display apparatus and an operating method thereof. According to one or more embodiments, an update voltage compensating for the degradation of an image is applied to a related pixel after a predetermined time interval elapses, when a plurality of images are consecutively displayed on one screen. Thus, the update voltage may be prevented from being applied to the pixel before the image degradation occurs, thereby preventing the pixel from being over-charged.09-17-2009
20090251404ELECTROPHORETIC DISPLAY AND DRIVING METHOD THEREOF - An electrophoretic display includes first and second gate lines, a data line that crosses the first and second gate lines, a first pixel connected to the first gate line and the data line, and a second pixel positioned on the opposite side of the data line from the first pixel and connected to the second gate line and the data line.10-08-2009
20100007661METHOD FOR DISPLAYING A THREE-DIMENSIONAL IMAGE AND THREE-DIMENSIONAL IMAGE DISPLAY DEVICE FOR PERFORMING THE METHOD - A three-dimensional image display device includes a three-dimensional image generator and a display panel. The three-dimensional image generator includes a memory part, a control part, and an output buffer part. The memory part has a lookup table storing pixel-shift data corresponding to a plurality of viewpoints and depths. The control part stores image data and depth data in an internal memory, and outputs shifted image data based on the pixel-shift data. The output buffer part outputs three-dimensional image data based on the shifted image data. The display panel displays the three-dimensional image data.01-14-2010
20100008068ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT INCLUDING THE SAME AND METHOD OF FABRICATING THE ELECTRON EMISSION DEVICE - An electron emission device, useful as a backlight unit, improves uniformity between pixels and maximizes post-processing effects. The electron emission device includes a base substrate with first electrodes extending on the base substrate, each of which includes a resistance layer formed at an end. The electron emission device also includes second electrodes electrically insulated from the first electrodes and electron emission sources formed on the first electrodes. The electron emission device is configured for current to flow through the resistance layer during a driving operation and for current to not flow through the resistance layer during an aging operation.01-14-2010
20100180039SYSTEM AND METHOD FOR PROVIDING LOCATION INFORMATION OF A TERMINAL - A common location service request/response method between various types of clients and location servers. A location request and a location estimate are delivered between a terminal and a location server using messages defined in a Session Initiation Protocol (SIP) protocol. In this manner, the terminal and server using the SIP protocol can easily send a request/response for location information, making it possible to provide a new service associated with the location service.07-15-2010
20100267398Location based service system - Disclosed is a Location Based Service (LBS) system for providing location information of a target terminal for positioning. Such a LBS system can provide both a requester for location information as well as a third party specified by the requester with the location information by means of only one request message for the location information. The LBS system includes a requester terminal requesting location information of a specific terminal, and a LBS provider receiving a request for the location information from the requester terminal and providing the requester terminal with the location information. The LBS provider receives information on at least one terminal specified to simultaneously receive the location information, along with the request message for the location information, from the requester terminal, whereby the LBS provider delivers the location information to the at least one specified terminal along with the requester terminal.10-21-2010
201100961563-D Display Device and Display Method Thereof - A display device capable of displaying a stereoscopic image has improved display quality when displaying a 2-D image by filtering to include image data from surrounding pixels in output data corresponding to a specific pixel based on weight values. The data of the specific pixel is influenced by the surrounding pixels, to display the data of the specific pixel in a wider range. As a result, non-recognition of a thin line or character at an arbitrary angle may be prevented.04-28-2011
20110098038Method for Providing Triggered Location Information of a Target Terminal - A method for providing triggered location information of a target terminal is provided. The method includes transmitting by a previous H-SLP a report message informing that a target terminal is in a roaming state during the triggered location service to an H-SLP of the target terminal or the target terminal. The H-SLP of the target terminal selects a new V-SLP based on a location identifier (LID) received from the target terminal, and the H-SLP provides the V-SLP with an ID of the target terminal, a positioning method of the target terminal (SET CAPABILITY), and the LID as the information on the network in which the target terminal currently exists. The newly selected V-SLP determines the positioning method and protocol used for the positioning with the target terminal by using the SET CAPABILITY, the newly selected V-SLP transmits its own IP address and the newly determined positioning method and protocol (POSMETHOD) to the H-SLP. The H-SLP transmits the IP address of the newly selected H-SLP and the new POSMETHOD to the target terminal, the target terminal transmits a positioning inducing message to the new V-SLP and calculates a location value by using the determined POSMETHOD, in such a manner that the triggered location service is maintained even though the target terminal is in a roaming state during the service by performing the step of selecting the H-SLP for calculating the location value of the target terminal without interruption.04-28-2011
20110115726TOUCH SENSING APPARATUS AND METHOD OF DRIVING THE SAME - A touch sensing apparatus includes; at least one light source which sequentially generates a plurality of lights, a light sensor which faces the at least one light source and outputs a plurality of signals corresponding to a magnitude of the plurality of lights, a light guide plate interposed between the at least one light source and the light sensor to guide the plurality of lights from the at least one light source to the light sensor and a coordinate generator which calculates coordinates of a touch input which occurs on the light guide plate using the signal output from the light sensor corresponding to the touch input.05-19-2011
20110134373Reflective display devices and methods of manufacturing the same - A reflective display device may include pixels. Each pixel may include sub-pixels. Each sub-pixel may include first and second substrates spaced apart from each other; a driving unit formed on a top surface of the first substrate; a reflective layer, acting as a first electrode to which a voltage is applied by the driving unit, disposed above the driving unit; a second electrode formed on a bottom surface of the second substrate; a color filter layer disposed between the reflective layer and the second electrode; and a polymer dispersed liquid crystal (PDLC) layer. If the color filter layer is formed on the reflective layer; then the PDLC layer may be disposed between the second electrode and color filter layer. If the color filter layer is formed on a bottom surface of the second electrode, then the PDLC layer may be disposed between the reflective layer and color filter layer.06-09-2011
20110136500METHOD FOR LOCATING MOBILE TERMINALS - A method for locating mobile terminals is provided. First, information of a home Public Land Mobile Network (PLMN) of a target mobile terminal, the location of which is to be determined, is checked in response to a location service request from a client. Then, information of a visited PLMN, where the target mobile terminal is currently located, is checked based on the checked information of the home PLMN. The home PLMN calculates location assistance information of the visited PLMN using specific location information of the visited PLMN. The location assistance information is transferred to the target mobile terminal. This allows location information of a mobile terminal to be obtained irrespective of the area or communication network where the mobile terminal is located. It is thus possible to locate a mobile terminal in an area where no location assistance information is provided.06-09-2011

Patent applications by Joo-Young Kim, Suwon-Si KR