Patents by Inventor Byung-Kil Jeon

Byung-Kil Jeon 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).

  • Patent number: 11443699
    Abstract: A display device includes a display panel having pixels. A timing controller generates a first control signal and data control signals. Data driving circuits each recover a data signal from a corresponding data control signal of the data control signals in response to the first control signal, generate a data voltage corresponding to the data signal, and provide the data voltage to the display panel. Each of the data driving circuits includes: a setting unit configured to acquire a setting value from the data control signal; an equalizer configured to compensate for distortion of the corresponding data control signal according to the setting value to output compensated data control signal; and a recoverer configured to recover a clock signal from the compensated data control signal and recover the data signal from the compensated data control signal based on the clock signal.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: September 13, 2022
    Inventors: Tae Gon Im, Jong Jae Lee, Jun Pyo Lee, Byung Kil Jeon, Won Hee Lee
  • Publication number: 20220215805
    Abstract: A display device includes a display panel having pixels. A timing controller generates a first control signal and data control signals. Data driving circuits each recover a data signal from a corresponding data control signal of the data control signals in response to the first control signal, generate a data voltage corresponding to the data signal, and provide the data voltage to the display panel. Each of the data driving circuits includes: a setting unit configured to acquire a setting value from the data control signal; an equalizer configured to compensate for distortion of the corresponding data control signal according to the setting value to output compensated data control signal; and a recoverer configured to recover a clock signal from the compensated data control signal and recover the data signal from the compensated data control signal based on the clock signal.
    Type: Application
    Filed: September 7, 2021
    Publication date: July 7, 2022
    Inventors: Tae Gon IM, Jong Jae LEE, Jun Pyo LEE, Byung Kil JEON, Won Hee LEE
  • Patent number: 11107435
    Abstract: A display apparatus includes a display panel, a position detector, a driving controller, a gate driver and a data driver. The display panel is configured to display an image. The position detector is configured to determine a position of a user. The driving controller is configured to generate an overdriving value according to a grayscale value of previous frame data and a grayscale value of present frame data. The gate driver is configured to output gate signals to the display panel. The data driver is configured to output data voltages to the display panel based on the overdriving value.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongman Kim, Yong-Bum Kim, Dong-Hyun Yeo, Byung Kil Jeon, Woojung Jung
  • Patent number: 10861408
    Abstract: A liquid crystal display device includes: a display panel including a plurality of pixels for displaying an image; a temperature sensor for sensing a temperature; an image data corrector for calculating correction parameters based on a grayscale change, calculating temperature parameters based on preset reference temperatures and the correction parameters, and correcting current image data to provide corrected image data based on the correction parameters and the temperature parameters; and a data driver for converting the corrected current image data into a data voltage and supplying the data voltage to the display panel. At least one of the correction parameters has a value that varies linearly with the sensed temperature and is based in part on the temperature parameters.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Man Kim, Dong Hyun Yeo, Byung Kil Jeon, Yong Bum Kim, Woo Jung Jung
  • Patent number: 10714033
    Abstract: A display panel driving apparatus includes a data processing part. The data processing part calculates a first pretilt value of previous image data to output a first pretilt signal, calculates a second pretilt value of current image data to output a second pretilt signal, analyze a luminance distribution of unit pixels from image data to output luminance distribution analysis data, analyzes a color pixel to which a pretilt is applied based on the unit pixel from the image data to output color analysis data, outputs a determination signal indicating whether the pretilt is applied to the image data, according to the luminance distribution analysis data and the color analysis data, and outputs pretilt compensation image data according to the first pretilt signal, the second pretilt signal and the determination signal, as compensation image data.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nam-Gon Choi, Dong-Won Park, Seung-Hwan Moon, Byung-Kil Jeon
  • Publication number: 20200135137
    Abstract: A display apparatus includes a display panel, a position detector, a driving controller, a gate driver and a data driver. The display panel is configured to display an image. The position detector is configured to determine a position of a user. The driving controller is configured to generate an overdriving value according to a grayscale value of previous frame data and a grayscale value of present frame data. The gate driver is configured to output gate signals to the display panel. The data driver is configured to output data voltages to the display panel based on the overdriving value.
    Type: Application
    Filed: October 28, 2019
    Publication date: April 30, 2020
    Inventors: Jongman KIM, Yong-Bum KIM, Dong-Hyun YEO, Byung Kil JEON, Woojung JUNG
  • Publication number: 20190392777
    Abstract: A liquid crystal display device includes: a display panel including a plurality of pixels for displaying an image; a temperature sensor for sensing a temperature; an image data corrector for calculating correction parameters based on a grayscale change, calculating temperature parameters based on preset reference temperatures and the correction parameters, and correcting current image data to provide corrected image data based on the correction parameters and the temperature parameters; and a data driver for converting the corrected current image data into a data voltage and supplying the data voltage to the display panel. At least one of the correction parameters has a value that varies linearly with the sensed temperature and is based in part on the temperature parameters.
    Type: Application
    Filed: January 28, 2019
    Publication date: December 26, 2019
    Inventors: Jong Man Kim, Dong Hyun Yeo, Byung Kil Jeon, Yong Bum Kim, Woo Jung Jung
  • Patent number: 10453419
    Abstract: A display panel driving apparatus includes a gate driving circuit, a data driving circuit, a timing controlling circuit and a voltage generating circuit state receiving circuit. The voltage generating circuit state receiving circuit is configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit. The voltage generator generates a voltage used to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong-Min Sung, Byung-Kil Jeon, Dong-Hyun Yeo, Su-Hyun Jeong, Eun-Seon Kim
  • Patent number: 10102811
    Abstract: A method of displaying a three-dimensional image includes outputting a converted left image generated based on a left image to a pixel of a display panel during a first period, where the converted left image has a grayscale value less than a grayscale value of the left image, outputting the left image to the pixel of the display panel during a second period, outputting a converted right image generated based on a right image to the pixel of the display panel during a third period, where the converted right image has a grayscale value less than a grayscale value of the right image, and outputting the right image to the pixel of the display panel during a fourth period.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Pyo Lee, Hyun-Sik Yoon, Hak-Mo Choi, Jae-Hyoung Park, Byung-Kil Jeon
  • Patent number: 10074317
    Abstract: A method of displaying a three-dimensional image includes outputting a converted left image generated based on a left image to a pixel of a display panel during a first period, where the converted left image has a grayscale value less than a grayscale value of the left image, outputting the left image to the pixel of the display panel during a second period, outputting a converted right image generated based on a right image to the pixel of the display panel during a third period, where the converted right image has a grayscale value less than a grayscale value of the right image, and outputting the right image to the pixel of the display panel during a fourth period.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Pyo Lee, Hyun-Sik Yoon, Hak-Mo Choi, Jae-Hyoung Park, Byung-Kil Jeon
  • Publication number: 20180247606
    Abstract: A display panel driving apparatus includes a gate driving circuit, a data driving circuit, a timing controlling circuit and a voltage generating circuit state receiving circuit. The voltage generating circuit state receiving circuit is configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit. The voltage generator generates a voltage used to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data.
    Type: Application
    Filed: May 1, 2018
    Publication date: August 30, 2018
    Inventors: JEONG-MIN SUNG, BYUNG-KIL JEON, DONG-HYUN YEO, SU-HYUN JEONG, EUN-SEON KIM
  • Publication number: 20180114494
    Abstract: A method of displaying a three-dimensional image includes outputting a converted left image generated based on a left image to a pixel of a display panel during a first period, where the converted left image has a grayscale value less than a grayscale value of the left image, outputting the left image to the pixel of the display panel during a second period, outputting a converted right image generated based on a right image to the pixel of the display panel during a third period, where the converted right image has a grayscale value less than a grayscale value of the right image, and outputting the right image to the pixel of the display panel during a fourth period.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 26, 2018
    Inventors: Jun-Pyo LEE, Hyun-Sik YOON, Hak-Mo CHOI, Jae-Hyoung PARK, Byung-Kil JEON
  • Patent number: 9953597
    Abstract: A driving unit of display panel includes a data driving part, a timing controlling part and a gate driving part. The data driving part is configured to receive reference image data and includes a first data driving circuit part having a first channel outputting a first reference data signal based on the reference image data and a k-th channel outputting a k-th reference data signal based on the reference image data. The timing controlling part is configured to detect a time difference between the first reference data signal and the k-th reference data signal. The gate driving part is configured to output a gate signal to each of gate lines. By delaying data signals based on the gate signal delay caused by long line load and RC delay, the present invention may improve display quality of a display device.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: April 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hyun Yeo, Eun-Seon Kim, Yong-Bum Kim, Suk-Jin Park, Byung-Kil Jeon, Su-Hyun Jeong
  • Patent number: 9875696
    Abstract: A method of displaying a three-dimensional image includes outputting a converted left image generated based on a left image to a pixel of a display panel during a first period, where the converted left image has a grayscale value less than a grayscale value of the left image, outputting the left image to the pixel of the display panel during a second period, outputting a converted right image generated based on a right image to the pixel of the display panel during a third period, where the converted right image has a grayscale value less than a grayscale value of the right image, and outputting the right image to the pixel of the display panel during a fourth period.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: January 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Pyo Lee, Hyun-Sik Yoon, Hak-Mo Choi, Jae-Hyoung Park, Byung-Kil Jeon
  • Patent number: 9794548
    Abstract: A 3-dimensional image display device includes a signal controller, a data driver, a display panel, and glasses. The signal controller includes a reference gamma data generator to correct image data. The data driver includes a gray voltage generator to generate a gray voltage based on the corrected image data. The display panel displays left-eye and right-eye images based on a data voltage from the data driver. The lenses of the glasses are controlled by a glasses synchronization signal from the signal controller, to compensate for charging rates of the left-eye and right-eye images.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Sik Yoon, Jae Hyoung Park, Jun Pyo Lee, Seung Hwan Moon, Dong Won Park, Byung Kil Jeon
  • Patent number: 9697783
    Abstract: A display apparatus includes a first interpolator configured to generate first correction data for a first polarity corresponding to an input data using a first look up table which stores correction data for the first polarity compensating for a luminance difference between the first polarity and a second polarity opposite to the first polarity of a data voltage for the sub pixel, a first delay compensator configured to apply a correction value to the first correction data for the first polarity and generate second correction data for the first polarity, the correction value compensating for an RC delay based on a pixel position corresponding to the input data.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hyun Yeo, Byung-Kil Jeon, Yong-Bum Kim, Eun-Seon Kim, Suk-Jin Park, Su-Hyun Jeong
  • Publication number: 20170092186
    Abstract: A display panel driving apparatus includes a data processor, a data driving circuit and a gate driving circuit. The data processor is configured to analyze image data, calculate an application rate value of a spatial gamma mixing which displays high gamma data and low gamma data on a display panel, perform the spatial gamma mixing on the image data according to the application rate value, and output image processed image data. The data driving circuit is configured to generate a data signal based on the image processed image data output from the data processing circuit, and output the data signal to a data line of the display panel. The gate driving circuit is configured to output a gate signal to a gate line of the display panel. Thus, display quality of a display apparatus may be increased.
    Type: Application
    Filed: April 8, 2016
    Publication date: March 30, 2017
    Inventors: WOO-JUNG JUNG, BYUNG-KIL JEON, DONG-HYUN YEO, SUHYUN JEONG, YONG BUM KIM
  • Publication number: 20170084244
    Abstract: A display panel driving apparatus includes a gate driving circuit, a data driving circuit, a timing controlling circuit and a voltage generating circuit state receiving circuit. The voltage generating circuit state receiving circuit is configured to receive voltage generating circuit state data indicating a temperature, a voltage or a current of a voltage generating circuit from the voltage generating circuit. The voltage generator generates a voltage used to drive the display panel, and controls an operation of the timing controlling circuit according to the voltage generating circuit state data.
    Type: Application
    Filed: April 7, 2016
    Publication date: March 23, 2017
    Inventors: JEONG-MIN SUNG, BYUNG-KIL JEON, DONG-HYUN YEO, SU-HYUN JEONG, EUN-SEON KIM
  • Patent number: 9570031
    Abstract: An apparatus for monitoring pixel data includes a multiplexer configured to select pixel data applied to at least one of function blocks which is configured to convert the pixel data provided from an external device and adjust characteristics of a display device, a monitoring module configured to store the pixel data selected by the multiplexer, and an analyzing module configured to output a location selection signal to the multiplexer which provides the monitoring module with the pixel data based on the location selection signal, to read out the pixel data stored in the monitoring module by applying a pixel position signal to the monitoring module, and to analyze a variation of the read out pixel data.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Dong-Hyun Yeo, Jae-Hyoung Park, Byung-Kil Jeon, Yong-Bum Kim, Suk-Jin Park, Su-Hyun Jeong, Eun-Seon Kim
  • Publication number: 20170025077
    Abstract: A display panel driving apparatus includes a data processing part. The data processing part calculates a first pretilt value of previous image data to output a first pretilt signal, calculates a second pretilt value of current image data to output a second pretilt signal, analyze a luminance distribution of unit pixels from image data to output luminance distribution analysis data, analyzes a color pixel to which a pretilt is applied based on the unit pixel from the image data to output color analysis data, outputs a determination signal indicating whether the pretilt is applied to the image data, according to the luminance distribution analysis data and the color analysis data, and outputs pretilt compensation image data according to the first pretilt signal, the second pretilt signal and the determination signal, as compensation image data.
    Type: Application
    Filed: January 19, 2016
    Publication date: January 26, 2017
    Inventors: NAM-GON CHOI, DONG-WON PARK, SEUNG-HWAN MOON, BYUNG-KIL JEON