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Hong, Gumi-Si

Jin-Cheol Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20080309590LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - Disclosed herein are a liquid crystal display device which is capable of maintaining the level of a common voltage applied to a common electrode constant, and a method for driving the same. The liquid crystal display device includes a liquid crystal panel including a plurality of pixel rows for displaying an image, a plurality of pixel cells arranged in each of the pixel rows, a common electrode provided in common in the pixel cells, a common voltage correction unit that obtains predominant-polarity data based on polarities of image data to be supplied to the pixel cells arranged in an nth one of the pixel rows, obtains predominant-polarity data based on polarities of image data to be supplied to the pixel cells arranged in an (n+1)th one of the pixel rows adjacent to the nth pixel row, obtains a sum of the two predominant-polarity data, and selects and outputting any one of a plurality of predetermined correction values based on the sum, and a common voltage output unit that corrects a common voltage based on the correction value from the common voltage correction unit and supplies the corrected common voltage to the common electrode.12-18-2008
20090058788APPARATUS 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
20090167654ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE - An array substrate for a liquid crystal display device includes a substrate including a display area and a non-display area, the non-display area having a link area and a pad area, array elements in the display area on the substrate, first to nth pads in the pad area (n is a natural number), first to nth link lines in the link area and connected to the first to nth pads, respectively, wherein the first to (n/2−1)th link lines are symmetrical with the nth to (n/2+1)th link lines with respect to (n/2)th link line, the first to (n/2−1)th link lines have inclined portions, and the inclined portions of the first to kth link lines have decreasing widths and decreasing lengths toward the kth link line from the first link line, wherein k is larger than 1 and smaller than (n/2).07-02-2009
20090167750Apparatus and method for data interface of flat panel display device - An apparatus and method for data interface of a flat panel display device, which is capable of transferring clocks in a state, in which the clocks are embedded in digital data, thereby reducing the number of transfer lines, is disclosed. The apparatus includes a transmitter unit built in a timing controller, to transmit transfer data with an embedding clock embedded between successive pieces of data, and a clock enable signal to indicate the embedding clock, and receiver units respectively built in a plurality of data integrated circuits connected to the timing controller, to separate and detect the embedding clock and the data from the transfer data, in response to the clock enable signal.07-02-2009

Patent applications by Jin-Cheol Hong, Gumi-Si KR

Sang Min Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20090135097PLASMA DISPLAY PANEL DEVICE - The present invention relates to a plasma display panel device. In the plasma display panel device, a first electrode formed on an upper substrate of a plasma display panel is formed in a single layer, wherein the first electrode includes an electrode line and a protruding electrode extending from the electrode line, wherein the breadth of the lower end of the protruding electrode, located near the electrode line, is about 0.7 times to about 4.5 times the breadth of the upper end of the protruding electrode.05-28-2009

Suk-Chan Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20090009407MULTI-BAND ANTENNA FOR MOBILE PHONE - A mobile phone includes a multi-band antenna which is mutually connected in a dependent manner for operation according to a signal transmitted to and received from the mobile phone; and a resonance unit for generating resonance for multiple frequency bands as ends of the multi-band antenna are spaced apart at a predetermined interval, to improve mute performance, reduce SAR, and prevent a reduction in call performance due to an influence of a user's body and hand when holding the mobile phone to make a call.01-08-2009

Sung-Pyo Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20100116731Reverse Osmosis Water Purifier Having Simple Filter Configuration - Disclosed therein is a reverse osmosis water purifier having a simple filter configuration, which includes filter parts consisted of a sediment-filter, a chlorine-resistant polyamide composite membrane and a post-carbon-filter. The reverse osmosis water purifier can be designed in slim size by omitting a pre-carbon-filter, and provide drinking water of good quality since a portion of the residual chlorine in the feed water pass through the chlorine-resistant polyamide composite membrane to the downstream of said membrane and the residual chlorine can inhibit an adventitious growth of microorganism in the post-carbon-filter or the purified-water tank.05-13-2010

Sun Mi Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20100075708Method and system for notifying absence in PTT service, and portable terminal adapted thereto - A method and system for notifying a first portable terminal regarding the absence of a second terminal in a Push-To-Talk (PTT) service. The system allows a first portable terminal user to transmit an absence notifying message to the second portable terminal user, and displays an absent state of the first portable terminal user when the second portable terminal user requests a PTT connection with the first portable terminal user. Therefore, the system enables the second portable terminal user to recognize the absent state of the first portable terminal user.03-25-2010

Young-Ho Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20090114147SEMICONDUCTOR SINGLE CRYSTAL GROWTH METHOD HAVING IMPROVEMENT IN OXYGEN CONCENTRATION CHARACTERISTICS - The present invention relates to a semiconductor single crystal growth method, which uses a Czochralski process for growing a semiconductor single crystal through a solid-liquid interface by dipping a seed into a semiconductor melt received in a quartz crucible and pulling up the seed while rotating the quartz crucible and applying a strong horizontal magnetic field, wherein the seed is pulled up while the quartz crucible is rotated with a rate between 0.6 rpm and 1.5 rpm.05-07-2009

Patent applications by Young-Ho Hong, Gumi-Si KR

Youngjun Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20100007680Gamma reference voltage generation circuit and flat panel display using the same - A gamma reference voltage generation circuit and a flat panel display using the same are provided. The gamma reference voltage generation circuit includes R, G and B gamma reference voltage generators each having a plurality of digital-to-analog converters (DACs) that generate a plurality of R, G and B gamma reference voltages. In the DACs of each of the R, G and B gamma reference voltage generators, a high potential bias voltage input terminal of an uppermost DAC used to generate a gamma reference voltage of a maximum gray level is connected to a high potential voltage source. A high potential bias voltage input terminal of each of remaining DACs except the uppermost DAC is cascade-connected to an output terminal of an upper DAC next to each of the remaining DACs.01-14-2010
20100085282ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display is disclosed. The OLED display includes a display panel including a plurality of pairs of data lines, a plurality of gate line groups crossing the pairs of data lines, and a plurality of pixels each having a drive thin film transistor (TFT) and an organic light emitting diode at each of crossings of the pairs of data lines and the gate line groups, a timing controller generating a non-overlap signal, and a sample and hold block that removes an overlap period between adjacently generated first holding clocks using the non-overlap signal to generate second holding clocks that do not overlap each other, applies sampled threshold voltages of the drive TFTs of the pixels to an output node in response to the second holding clocks, and discharges the output node in the overlap period in response to the non-overlap signal.04-08-2010

Young Jun Hong, Gumi-Si KR

Patent application numberDescriptionPublished
20100020111Display device and method for driving the same - Disclosed is a display device including a first storage unit having driving data for driving a display panel and a first check SUM data on the driving data stored therein, a second storage unit for retrieving the driving data and the first check SUM data from the first storage unit and storing the driving data and the check SUM data in response to the instruction of a ROM interface, and a data error detection/correction unit generating a second check SUM data with reference to the driving data stored in the second storage unit.01-28-2010
20100117937ORGANIC ELECTRO-LUMINESCENT DISPLAY DEVICE - An OLED device is disclosed. The OLED device disposes a voltage divider and a switch unit in the output stage of a power supplier, thereby lowering the level of a supply voltage VDD, which is applied to a driver IC in an emission interval, below that of the supply voltage which is applied to the driver IC in a non-emission interval. Accordingly, the OLED device can reduce electric power consumption.05-13-2010