Patents by Inventor Sun-Kyu Son
Sun-Kyu Son 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: 10223958Abstract: A display device includes a first unit pixel disposed in a first pixel column and a first pixel row, and a second unit pixel disposed in the first pixel column and a second pixel row adjacent to the first pixel row, and first and second gate lines extending in a row direction and having gate voltage input pads at a terminal portion thereof. First and second data lines extend in a column direction and are connected to the first unit pixel and the second unit pixel, respectively. A first charge control line extends in the row direction and has a charge control gate voltage input pad disposed at a terminal portion thereof. The first gate line is connected to the first unit pixel and the second gate line is connected to the second unit pixel. The first gate line and the second gate line simultaneously receive a same gate pulse.Type: GrantFiled: October 12, 2015Date of Patent: March 5, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun-Pyo Lee, Sun-Kyu Son, Ok-Kwon Shin, Jung-Won Kim, Hee-Jin Choi, Sang-Soo Kim
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Patent number: 10140900Abstract: A data driver includes a gamma unit, a digital-to-analog converter, and an output buffer. The gamma unit receives at least one reference voltage, and generates a first gamma reference voltage corresponding to a first sub-pixel and a second gamma reference voltage corresponding to a second sub-pixel using the received at least one reference voltage. The digital-to-analog converter receives the first and second gamma reference voltages from the gamma unit, and generates a first gamma data value corresponding to the first sub-pixel using the first gamma reference voltage and a second gamma data value corresponding to the second sub-pixel using the second gamma reference voltage. The output buffer outputs a first frame including the first gamma data value and a second frame including the second gamma data value. The output buffer outputs the first and second frames in a repeated manner for every predetermined number of frames.Type: GrantFiled: February 8, 2016Date of Patent: November 27, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Tae Kim, Soo Yeon Kim, Young Il Ban, Sun Kyu Son
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Patent number: 10019954Abstract: A liquid crystal display device, including: pixels; data lines and scan lines coupled to the pixels; and a driver configured to supply a scan signal to the scan lines, and supply a data voltage to the data lines. The data lines include first to third data lines, to which a data voltage having a positive polarity is supplied, and which are adjacent to each other, and fourth to sixth data lines, to which a data voltage having a negative polarity is supplied, and which are adjacent to each other.Type: GrantFiled: September 9, 2015Date of Patent: July 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Won-Tae Kim, Sun-Koo Kang, Jae-Han Lee, Sun-Kyu Son
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Patent number: 9812084Abstract: A display apparatus is provided. The display apparatus includes a display panel and a plurality of flexible printed circuit boards. The display panel includes a gate line and a data line. The plurality of flexible printed circuit boards is connected to one side of the display panel. Each of the plurality of flexible printed circuit board includes a gate driving chip configured to apply a gate signal to the gate line and a source driving chip configured to apply a data voltage to the data line.Type: GrantFiled: January 20, 2015Date of Patent: November 7, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung-Ha Kim, Ji-Hyun Kim, Sun-Kyu Son
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Patent number: 9721523Abstract: A driving device of a display apparatus includes: a gate driver, a gate on voltage modulator, and a signal controller. The gate driver includes a plurality of gate driving circuits, each of the gate driving circuits being configured to: generate a gate signal according to a gate control signal, and apply the gate signal to at least one gate line. The gate on voltage modulator is configured to: modulate a gate on voltage according to a modulation control signal, and generate a first modulated gate on voltage. The signal controller is configured to generate the modulation control signal and the gate control signal. At least one of the plurality of gate driving circuits includes an amplifier configured to: receive the first modulated gate on voltage, and output a second modulated gate on voltage including substantially the same waveform as the first modulated gate on voltage.Type: GrantFiled: January 3, 2013Date of Patent: August 1, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kwon Shin, Won Tae Kim, Sun Kyu Son
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Patent number: 9576546Abstract: The present invention discloses a data driving method, the method including receiving data corresponding to a plurality of pixels. Received data are converted into data voltages of an analog type to be output to a plurality of data lines. One of a first data voltage and a last data voltage of the data voltages is output to a dummy data line adjacent to the data lines.Type: GrantFiled: April 8, 2009Date of Patent: February 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Han Lee, Sun-Kyu Son
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Patent number: 9530373Abstract: A display panel driving apparatus includes an image pattern analyzing part, a clock signal generating part and a data driving part. The image pattern analyzing part is configured to analyze an image pattern of an image data. The clock signal generating part is configured to generating a clock signal having a different pulse width according to the image pattern of an image data. The data driving part is configured to drive a data line of a display panel in response to the clock signal. Thus, power consumption and heating of the data driving part may be decreased.Type: GrantFiled: May 23, 2014Date of Patent: December 27, 2016Assignee: Samsung Display Co., Ltd.Inventors: Young-Il Ban, Sun-Koo Kang, Seung-Hwan Moon, Sun-Kyu Son, Kyung-Ha Kim, Jae-Han Lee
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Publication number: 20160365020Abstract: A data driver includes a gamma unit, a digital-to-analog converter, and an output buffer. The gamma unit receives at least one reference voltage, and generates a first gamma reference voltage corresponding to a first sub-pixel and a second gamma reference voltage corresponding to a second sub-pixel using the received at least one reference voltage. The digital-to-analog converter receives the first and second gamma reference voltages from the gamma unit, and generates a first gamma data value corresponding to the first sub-pixel using the first gamma reference voltage and a second gamma data value corresponding to the second sub-pixel using the second gamma reference voltage. The output buffer outputs a first frame including the first gamma data value and a second frame including the second gamma data value. The output buffer outputs the first and second frames in a repeated manner for every predetermined number of frames.Type: ApplicationFiled: February 8, 2016Publication date: December 15, 2016Inventors: WON TAE KIM, SOO YEON KIM, YOUNG IL BAN, SUN KYU SON
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Patent number: 9373298Abstract: A display device includes a signal controller processing an input image signal and an input control signal and outputting an image signal and a control signal. A gray voltage generator generates reference gray voltages. The control signal includes a selection signal. A data driver generates gray voltages based on the reference gray voltage, selects a gray voltage corresponding to the image signal among the generated gray voltages, and applies the selected gray voltage to a pixel as a first data voltage. The data driver applies a black data voltage corresponding to a black image to the pixel according to the selection signal.Type: GrantFiled: January 19, 2011Date of Patent: June 21, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ok-Kwon Shin, Sun-Kyu Son, Jae-Han Lee, Hee-Jin Choi
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Patent number: 9361842Abstract: A display panel driving apparatus, including a gate driving part configured to output a gate signal to gate lines of a display panel, and a data driving part configured to output a data signal to a data line of the display panel, including a digital-analog converter, wherein the digital-analog converter is configured to convert a common voltage control data of digital format to a common voltage control voltage of analog format.Type: GrantFiled: March 13, 2014Date of Patent: June 7, 2016Assignee: Samsung Display Co., Ltd.Inventors: Tae-Gon Kim, Won-Tae Kim, Sun-Kyu Son, Jae-Han Lee, Yong-Bum Kim
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Publication number: 20160133210Abstract: A liquid crystal display device, including: pixels; data lines and scan lines coupled to the pixels; and a driver configured to supply a scan signal to the scan lines, and supply a data voltage to the data lines. The data lines include first to third data lines, to which a data voltage having a positive polarity is supplied, and which are adjacent to each other, and fourth to sixth data lines, to which a data voltage having a negative polarity is supplied, and which are adjacent to each other.Type: ApplicationFiled: September 9, 2015Publication date: May 12, 2016Inventors: Won-Tae KIM, Sun-Koo KANG, Jae-Han LEE, Sun-Kyu SON
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Publication number: 20160035271Abstract: A display device includes a first unit pixel disposed in a first pixel column and a first pixel row, and a second unit pixel disposed in the first pixel column and a second pixel row adjacent to the first pixel row, and first and second gate lines extending in a row direction and having gate voltage input pads at a terminal portion thereof. First and second data lines extend in a column direction and are connected to the first unit pixel and the second unit pixel, respectively. A first charge control line extends in the row direction and has a charge control gate voltage input pad disposed at a terminal portion thereof. The first gate line is connected to the first unit pixel and the second gate line is connected to the second unit pixel. The first gate line and the second gate line simultaneously receive a same gate pulse.Type: ApplicationFiled: October 12, 2015Publication date: February 4, 2016Inventors: Jun-Pyo LEE, Sun-Kyu SON, Ok-Kwon SHIN, Jung-Won KIM, Hee-Jin CHOI, Sang-Soo KIM
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Patent number: 9251755Abstract: A gate driver includes a gate integrated circuit (“IC”) chip which receives at least two scanning start signals and at least four clock control signals, and outputs a plurality of gate-on voltages, where at least two clock control signals of the at least four clock control signals are generated based on one scanning start signal of the at least two scanning start signals, timings of the at least two scanning start signals are independent of each other, and timings of the at least two clock control signals based on the one scanning start signal are independent of each other.Type: GrantFiled: August 27, 2014Date of Patent: February 2, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ok-Kwon Shin, Jong Min Lee, Sun Kyu Son, Young-Il Ban, Jae-Han Lee
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Publication number: 20160027398Abstract: A display apparatus is provided. The display apparatus includes a display panel and a plurality of flexible printed circuit boards. The display panel includes a gate line and a data line. The plurality of flexible printed circuit boards is connected to one side of the display panel. Each of the plurality of flexible printed circuit board includes a gate driving chip configured to apply a gate signal to the gate line and a source driving chip configured to apply a data voltage to the data line.Type: ApplicationFiled: January 20, 2015Publication date: January 28, 2016Inventors: Kyung-Ha KIM, Ji-Hyun KIM, Sun-Kyu SON
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Patent number: 9158168Abstract: A display device includes a first unit pixel disposed in a first pixel column and a first pixel row, and a second unit pixel disposed in the first pixel column and a second pixel row adjacent to the first pixel row, and first and second gate lines extending in a row direction and having gate voltage input pads at a terminal portion thereof. First and second data lines extend in a column direction and are connected to the first unit pixel and the second unit pixel, respectively. A first charge control line extends in the row direction and has a charge control gate voltage input pad disposed at a terminal portion thereof. The first gate line is connected to the first unit pixel and the second gate line is connected to the second unit pixel. The first gate line and the second gate line simultaneously receive a same gate pulse.Type: GrantFiled: October 1, 2008Date of Patent: October 13, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun-Pyo Lee, Sun-Kyu Son, Ok-Kwon Shin, Jung-Won Kim, Hee-Jin Choi, Sang-Soo Kim
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Liquid crystal display data driver capable of column inversion and 3-column inversion driving method
Patent number: 9035863Abstract: A liquid crystal display includes a plurality of pixels, a plurality of data lines connected to the plurality of pixels, and a data driver connected to the plurality of data lines, where the data driver supplies data voltage to the plurality of data lines, where the data driver includes a data latch which outputs input image data in response to image data corresponding to the plurality of pixels, wherein the data latch rearranges a sequence of the image data, and a digital-to-analog converting unit which includes a positive digital-to-analog converter which generates a positive data voltage in response to the input image data, and a negative digital-to-analog converter which generates a negative data voltage in response to the input image data.Type: GrantFiled: August 10, 2011Date of Patent: May 19, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Il Ban, Jong Min Lee, Sun Kyu Son, Ok-Kwon Shin, Jae-Han Lee -
Publication number: 20150084944Abstract: A display device includes a display panel and a driving voltage generator. The driving voltage generator generates a first quarter power voltage and a second quarter power voltage. The first quarter power voltage has a level between a power voltage and a half power voltage. The second quarter power voltage has a level between the half power voltage and a ground voltage. A data driver alternately outputs the first quarter power voltage or the second quarter power voltage and a data voltage to the data line. A signal controller controls the driving voltage generator and the data driver. The signal controller includes a pattern recognition unit determining an image pattern of an image based on an input image signal. The signal controller controls the driving voltage generator to adjust the levels of the first quarter power voltage and the second quarter power voltage, based on the determined image pattern.Type: ApplicationFiled: February 14, 2014Publication date: March 26, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: SUN-KOO KANG, WON TAE KIM, YOUNG-IL BAN, SUN KYU SON
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Publication number: 20150042631Abstract: A display panel driving apparatus, including a gate driving part configured to output a gate signal to gate lines of a display panel, and a data driving part configured to output a data signal to a data line of the display panel, including a digital-analog converter, wherein the digital-analog converter is configured to convert a common voltage control data of digital format to a common voltage control voltage of analog format.Type: ApplicationFiled: March 13, 2014Publication date: February 12, 2015Applicant: Samsung Display Co., Ltd.Inventors: Tae-Gon KIM, Won-Tae Kim, Sun-Kyu Son, Jae-Han Lee, Yong-Bum Kim
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Publication number: 20140375703Abstract: A display panel driving apparatus includes an image pattern analyzing part, a clock signal generating part and a data driving part. The image pattern analyzing part is configured to analyze an image pattern of an image data. The clock signal generating part is configured to generating a clock signal having a different pulse width according to the image pattern of an image data. The data driving part is configured to drive a data line of a display panel in response to the clock signal. Thus, power consumption and heating of the data driving part may be decreased.Type: ApplicationFiled: May 23, 2014Publication date: December 25, 2014Applicant: Samsung Display Co., LTD.Inventors: Young-Il BAN, Sun-Koo KANG, Seung-Hwan MOON, Sun-Kyu SON, Kyung-Ha KIM, Jae-Han LEE
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Publication number: 20140368482Abstract: A gate driver includes a gate integrated circuit (“IC”) chip which receives at least two scanning start signals and at least four clock control signals, and outputs a plurality of gate-on voltages, where at least two clock control signals of the at least four clock control signals are generated based on one scanning start signal of the at least two scanning start signals, timings of the at least two scanning start signals are independent of each other, and timings of the at least two clock control signals based on the one scanning start signal are independent of each other.Type: ApplicationFiled: August 27, 2014Publication date: December 18, 2014Inventors: Ok-Kwon SHIN, Jong Min LEE, Sun Kyu SON, Young-IL BAN, Jae-Han LEE