Patents by Inventor Sun Young Kwon
Sun Young Kwon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8022919Abstract: A liquid crystal display device includes a liquid crystal display panel having a number of gate lines, a gate driver having a number of gate channels, wherein the number of gate channels is different than the number of gate lines, and a timing controller to apply a gate shift clock signal to the gate driver, the gate shift clock signal having at least one dummy shift clock signal.Type: GrantFiled: June 21, 2006Date of Patent: September 20, 2011Assignee: LG Display Co., Ltd.Inventors: Sun Young Kwon, Jung Wook Shin
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Patent number: 7714854Abstract: A driving apparatus for a liquid crystal display device includes a liquid crystal display panel having a plurality of data lines and gate lines arranged in a matrix configuration, a data driver for supplying video data to the data lines, a gate driver for supplying gate pulses to the gate lines, and a timing controller for controlling polarity of the video data by supplying a polarity inversion signal to the data driver and controlling a timing of the data driver and the gate driver according to a number of horizontal synchronization signals supplied during a data blanking period, wherein a plurality of the polarity inversion signals are different from each other.Type: GrantFiled: October 13, 2006Date of Patent: May 11, 2010Assignee: LG Display Co., Ltd.Inventors: Jong Dae Kim, Sun Young Kwon
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Publication number: 20090295784Abstract: An apparatus and method for driving a liquid crystal display device are disclosed. The apparatus includes a liquid crystal panel with pixels defined by data and gate lines. A gate driver provides different gate pulses to the odd-column pixels than to the even-column pixels. The gate pulses have different voltages and/or widths. Data drivers provide data voltages having a positive or negative polarity to the data lines. A timing controller controls the gate and data drivers and supplies gate clock pulses that have different voltages and/or widths to the gate driver.Type: ApplicationFiled: August 4, 2009Publication date: December 3, 2009Applicant: LG Display Co., Ltd.Inventors: Sun Young Kwon, Do Heon Kim, Su Hwan Moon, Ji Eun Chae
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Patent number: 7609329Abstract: A driving apparatus for a liquid crystal display capable of adjusting a field area displayed on a liquid crystal display panel at the exterior thereof is disclosed. In the apparatus, an image signal processor separates a television image signal from a complex image signal and separates a complex synchronizing signal. A liquid crystal display panel displays the television image signal. A timing controller generates a source start pulse determining a display start time of the television image signal displayed on the liquid crystal display panel using an internal clock signal and the complex synchronizing signal from the image signal processor. A delay circuit delays the internal clock signal to apply it to the timing controller.Type: GrantFiled: June 17, 2004Date of Patent: October 27, 2009Assignee: LG Display Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7586476Abstract: An apparatus and method for driving a liquid crystal display device are disclosed. The apparatus includes a liquid crystal panel with pixels defined by data and gate lines. A gate driver provides different gate pulses to the odd-column pixels than to the even-column pixels. The gate pulses have different voltages and/or widths. Data drivers provide data voltages having a positive or negative polarity to the data lines. A timing controller controls the gate and data drivers and supplies gate clock pulses that have different voltages and/or widths to the gate driver.Type: GrantFiled: August 19, 2005Date of Patent: September 8, 2009Assignee: LG. Display Co., Ltd.Inventors: Sun Young Kwon, Do Heon Kim, Su Hwan Moon, Ji Eun Chae
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Patent number: 7528821Abstract: A method of driving a liquid crystal display to eliminate stripe-shaped noise when a picture screen is displayed on an enlarged viewing area includes dividing a liquid crystal into a plurality of blocks, and setting widths of scanning pulses for a gate electrode pair supplied with the same data differently for each block, wherein the gate electrode pair includes first and second gate lines.Type: GrantFiled: June 25, 2004Date of Patent: May 5, 2009Assignee: LG Display Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7477272Abstract: A driving method and device for displaying a video signal of a normal mode having an aspect ratio of 4 to 3 in a wide mode LCD device having an aspect ratio of 16 to 9 are provided. The method includes the steps of outputting a source start pulse (SSP) signal; latching pixel data for a black display by using a main clock signal having a short period synchronized to the SSP signal; first skipping data latch during a first transition period of the video signal; latching pixel data corresponding to a normal mode by using a clock signal having a long period, and outputting the latched pixel data; and second skipping data latch during a second transition period of the video signal.Type: GrantFiled: December 22, 2003Date of Patent: January 13, 2009Assignee: LG Display Co., Ltd.Inventors: Jung Sang Baek, Sun Young Kwon
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Patent number: 7432901Abstract: A driving apparatus for a liquid crystal display that reduces a residual direct current component from flowing in a liquid crystal is disclosed. In the apparatus, a liquid crystal display panel has liquid crystal cells at crossing of gate lines and data lines. An image signal processor separates a television image signal from a complex image signal and converts a polarity of the television image signal in response to a polarity inversion signal. A timing controller generates the gate control signal for time-dividing the plurality of gate lines to sequentially drive them during one horizontal period and driving the gate lines during one horizontal period and then applying it to the gate driver, and that generates the polarity inversion signal inverted for each one horizontal period and then applying it to the image signal processor.Type: GrantFiled: June 29, 2004Date of Patent: October 7, 2008Assignee: LG Display Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Publication number: 20080231619Abstract: A apparatus and method for driving a liquid crystal display that minimizes the generation of electro-magnetic interference (EMI) in a cost effective manner includes a gate control signal generator that generates a gate control signal using a externally inputted synchronizing signal, a data control signal generator that generates a data control signal using the synchronizing signal, a data aligner that re-aligns externally inputted video data, a plurality of buffers at output terminals of the gate control signal generator, the data control signal generator and the data aligner, and a control unit that applies control signals to the buffers to control current values of signals outputted by the buffers.Type: ApplicationFiled: May 28, 2008Publication date: September 25, 2008Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7394443Abstract: A apparatus and method for driving a liquid crystal display that minimizes the generation of electromagnetic interference (EMI) in a cost effective manner includes a gate control signal generator that generates a gate control signal using a externally inputted synchronizing signal, a data control signal generator that generates a data control signal using the synchronizing signal, a data aligner that re-aligns externally inputted video data, a plurality of buffers at output terminals of the gate control signal generator, the data control signal generator and the data aligner, and a control unit that applies control signals to the buffers to control current values of signals outputted by the buffers.Type: GrantFiled: June 25, 2004Date of Patent: July 1, 2008Assignee: LG Display Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7362342Abstract: A driving apparatus and apparatus for a liquid crystal display wherein an image format of an NTSC image signal can be selectively converted in response to an instruction of a user. In the apparatus, a liquid crystal display panel has liquid crystal cells arranged at intersections between gate lines and data lines to display an image signal in an image format different from an input image signal. A switch generates a pulse signal by an operation of a user. A counter counts said pulse signal. A timing controller changes an image format of said image signal displayed on the liquid crystal display panel in response to an input signal from the counter.Type: GrantFiled: June 23, 2004Date of Patent: April 22, 2008Assignee: LG.Philips LCD Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7352349Abstract: A method and apparatus for driving a liquid crystal display for reducing the number of data lines is disclosed. In the apparatus, a timing controller receives red sub-pixel data, green sub-pixel data and blue sub-pixel data from the exterior thereof and then divides the received data into odd-numbered sub-pixel data and even-numbered sub-pixel data. A data driver receives the odd-numbered sub-pixel data and the even-numbered sub-pixel data from the timing controller during one horizontal period and then applies the received odd-numbered and even-numbered sub-pixel data to data lines during the one horizontal period.Type: GrantFiled: June 23, 2004Date of Patent: April 1, 2008Assignee: LG.Philips LCD Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7350935Abstract: A backlight assembly includes at least two light sources. Each of the at least two light sources includes a first end portion and a second end portion. The first end portions of the at least two light sources are adjacent to each other. The second end portions of the at least two light sources are adjacent to each other. The backlight assembly also includes a voltage supplier for applying a high voltage to the adjacent first end portions of the at least two light sources and a low voltage to the adjacent second end portions of the at least two light sources.Type: GrantFiled: November 9, 2004Date of Patent: April 1, 2008Assignee: LG.Philips LCD Co., Ltd.Inventor: Sun Young Kwon
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Publication number: 20070152944Abstract: A liquid crystal display device includes a liquid crystal display panel having a number of gate lines, a gate driver having a number of gate channels, wherein the number of gate channels is different than the number of gate lines, and a timing controller to apply a gate shift clock signal to the gate driver, the gate shift clock signal having at least one dummy shift clock signal.Type: ApplicationFiled: June 21, 2006Publication date: July 5, 2007Inventors: Sun Young Kwon, Jung Wook Shin
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Patent number: 7190343Abstract: A liquid crystal display including a gate driver driving gate lines on a liquid crystal display panel, a timing controller controlling the gate driver, and a masking part selectively intercepting a gate output enable signal corresponding to an abnormal state of a gate high voltage, wherein the gate output enable signal is supplied to the gate driver from the timing controller.Type: GrantFiled: September 25, 2003Date of Patent: March 13, 2007Assignee: LG.Philips LCD Co., Ltd.Inventors: Jong Sang Baek, Sun Young Kwon
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Patent number: 7133035Abstract: A driving apparatus for a liquid crystal display device includes a liquid crystal display panel having a plurality of data lines and gate lines arranged in a matrix configuration, a data driver for supplying video data to the data lines, a gate driver for supplying gate pulses to the gate lines, and a timing controller for controlling polarity of the video data by supplying a polarity inversion signal to the data driver and controlling a timing of the data driver and the gate driver according to a number of horizontal synchronization signals supplied during a data blanking period, wherein a plurality of the polarity inversion signals are different from each other.Type: GrantFiled: June 25, 2003Date of Patent: November 7, 2006Assignee: LG.Philips LCD Co., Ltd.Inventors: Jong Dae Kim, Sun Young Kwon
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Publication number: 20050125505Abstract: A picture providing service system, and the method thereof, with which users, being connected to a communication network, can use the contents with seeing other users' appearances, are disclosed. The picture providing service system comprises a user administration means for storing the information on the users, who want to use picture-related contents with being connected to a content providing system, into a database and administrating them; a video data processing means for storing each user's video data inputted through his(or her) PC having a digital camera into the database and editing the video data according to the user's control; an image data processing means for providing various images to the users, storing the images selected by the users into the database, and editing the selected images according to the users' demands respectively, and a data synthesizing means for synthesizing the video data and the image data.Type: ApplicationFiled: November 20, 2003Publication date: June 9, 2005Inventors: Jong-Kyung Kim, Sun-Young Kwon
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Publication number: 20050114143Abstract: The present invention relates to a chatting system having secret attendance function and the method for operating the same. The chatting system having secret attendance function comprises: an attendance list control system for checking that a connected attendant is a general attendant, or a public attendant, or a secret attendant and registering the attendant; a video control system for receiving video chatting data from the terminals of the connected general attendants; an audio control system for receiving audio chatting data from the terminals of the connected general attendants; and a text control system for receiving text chatting data from the terminals of the connected general attendants. In accordance with the present invention, the attendants in a chatting room cannot recognize the attendance of the secret attendants. In addition, the public attendance can be recognized, however, the public attendants can do text chatting only.Type: ApplicationFiled: November 20, 2003Publication date: May 26, 2005Inventors: Jong-Kyung Kim, Sun-Young Kwon
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Publication number: 20050114204Abstract: An advertisement providing system and a method thereof for displaying advertisements on the unused image displaying windows in a video chatting service are disclosed. The advertisement providing system using a video chatting service comprises: a chatter number checking means that checks the number of maximum allowable chatters, the number limit of chatters set by a room creator and the number of actually-participating users of each chatting room; an image displaying window administration means that receives the image inputs of the users in each chatting room and administrates the used/unused states of the image displaying windows in each chatting room; and an advertisement creation/control means that receives advertisement information from sponsors, manipulates said information into web-posting-type materials, and transmits the created advertisements to the chatting service providing system to be displayed on the unused image displaying windows.Type: ApplicationFiled: November 20, 2003Publication date: May 26, 2005Inventors: Jong-Kyung Kim, Sun-Young Kwon
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Publication number: 20040263448Abstract: A method and apparatus for driving a liquid crystal display for reducing the number of data lines is disclosed. In the apparatus, a timing controller receives red sub-pixel data, green sub-pixel data and blue sub-pixel data from the exterior thereof and then divides the received data into odd-numbered sub-pixel data and even-numbered sub-pixel data. A data driver receives the odd-numbered sub-pixel data and the even-numbered sub-pixel data from the timing controller during one horizontal period and then applies the received odd-numbered and even-numbered sub-pixel data to data lines during the one horizontal period.Type: ApplicationFiled: June 23, 2004Publication date: December 30, 2004Inventors: Jong Sang Baek, Sun Young Kwon