Patents by Inventor Ji-Hye Eom

Ji-Hye Eom 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).

  • Publication number: 20240105117
    Abstract: A display panel of a display device includes a display region divided into a first display region and a second display region, pixels disposed in the display region, gate lines connected to the pixels, a first data line connected to the pixels in the first display region, and a second data line connected to the pixels in the second display region, the first data line is connected to N pixels among the pixels of each of pixel rows in the first display region, where N is a positive integer greater than or equal to 2, and the N pixels are connected to different gate lines, respectively.
    Type: Application
    Filed: June 21, 2023
    Publication date: March 28, 2024
    Inventors: Chang Ho HYUN, Joonhee SONG, Ji Hye EOM, Seungwon CHEGAL
  • Patent number: 11545536
    Abstract: A display apparatus includes a lower substrate including a display area, a peripheral area and a pad area, a display structure disposed in the display area on the lower substrate, an upper substrate disposed on the display structure, a plurality of driving circuits disposed at a side of the pad area on the lower substrate and spaced apart from each other, a plurality of fan-out wires disposed between the plurality of driving circuits and the display structure in the pad area and the peripheral area on the lower substrate and electrically connecting the plurality of driving circuits and the display structure, and a functional module disposed on a bottom surface of the lower substrate. A first opening is formed in the lower substrate and disposed between adjacent ones of the plurality of fan-out wires, and the first opening and the functional module overlap each other.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hye Eom, Dong Wan Choi
  • Publication number: 20220376311
    Abstract: A battery module includes a plurality of first battery modules and a plurality of second battery modules; a battery case that houses the battery modules and includes a plurality of cross beams for partitioning between the plurality of first battery modules and between the plurality of second battery modules; a plurality of first slave BMSs positioned at one side of the plurality of first battery modules facing the plurality of second battery modules; a plurality of second slave BMSs that are positioned at one side of the plurality of second battery modules facing the plurality of first battery modules; a plurality of first reflected wave absorbers arranged on one side of the plurality of first battery modules facing the plurality of second battery modules; and a plurality of second reflected wave absorbers arranged on one side of the plurality of second battery modules facing the plurality of first battery modules.
    Type: Application
    Filed: October 7, 2021
    Publication date: November 24, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jongmok SHIN, Jinhyeong CHOI, Ji Hye EOM
  • Publication number: 20210202665
    Abstract: A display apparatus includes a lower substrate including a display area, a peripheral area and a pad area, a display structure disposed in the display area on the lower substrate, an upper substrate disposed on the display structure, a plurality of driving circuits disposed at a side of the pad area on the lower substrate and spaced apart from each other, a plurality of fan-out wires disposed between the plurality of driving circuits and the display structure in the pad area and the peripheral area on the lower substrate and electrically connecting the plurality of driving circuits and the display structure, and a functional module disposed on a bottom surface of the lower substrate. A first opening is formed in the lower substrate and disposed between adjacent ones of the plurality of fan-out wires, and the first opening and the functional module overlap each other.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye Eom, Dong Wan Choi
  • Patent number: 10937372
    Abstract: A spot compensating apparatus including a spot compensation data generator configured to generate spot compensation data based on a first precision unit in a first block area having a spot, and based on a second precision unit in a second block area not having the spot, the spot compensation data being for compensating the spot displayed on a display panel configured to display an image based on first image data, the second precision unit having less precision than the first precision unit, and a spot compensator configured to perform a spot compensation on the first image data using the spot compensation data to output second image data.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Kwan An, Seung-Ho Park, Hee-Sook Park, Ji-Hye Eom
  • Patent number: 10475377
    Abstract: The present invention provides a display device and a method of driving the same.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung-Don Na, Young-II Kim, Doo-Hyung Woo, Young-Jin Chang, Ji-Hye Eom, In-Do Chung, Seong-Hyun Jin
  • Patent number: 10276090
    Abstract: An organic light emitting display device includes: a display panel including a plurality of pixels; a controller configured to correct input image signals supplied from the outside according to an amount of voltage drop; a data driver configured to supply data signals corresponding to the corrected image signals; and a scan driver configured to supply scan signals to scan lines. The controller includes: a load factor calculator configured to calculate a load factor of a panel; a horizontal block load factor calculator configured to calculate a driving current of a plurality of horizontal blocks formed by dividing the panel according to the scan lines; a voltage drop amount calculator configured to calculate the amount of the voltage drop based on the driving current; and a lookup table generator configured to generate a voltage drop correction lookup table based on the amount of the voltage drop.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Sook Park, Ji-Hye Eom, Sun-Joon Hwang
  • Publication number: 20170206842
    Abstract: A spot compensating apparatus including a spot compensation data generator configured to generate spot compensation data based on a first precision unit in a first block area having a spot, and based on a second precision unit in a second block area not having the spot, the spot compensation data being for compensating the spot displayed on a display panel configured to display an image based on first image data, the second precision unit having less precision than the first precision unit, and a spot compensator configured to perform a spot compensation on the first image data using the spot compensation data to output second image data.
    Type: Application
    Filed: May 24, 2016
    Publication date: July 20, 2017
    Inventors: Byoung-Kwan AN, Seung-Ho PARK, Hee-Sook PARK, Ji-Hye EOM
  • Publication number: 20160379556
    Abstract: An organic light emitting display apparatus includes a power generating unit and a display panel. The power generating unit generates a first power voltage and a second power voltage. The display panel includes a plurality of organic light emitting elements. The organic light emitting elements have first electrodes to which the first power voltage is applied in a first direction and second electrodes to which the second power voltage is applied in a second direction.
    Type: Application
    Filed: September 9, 2016
    Publication date: December 29, 2016
    Inventors: Ji-Hye EOM, Do-Ik KIM
  • Patent number: 9443474
    Abstract: An organic light emitting display apparatus includes a power generating unit and a display panel. The power generating unit generates a first power voltage and a second power voltage. The display panel includes a plurality of organic light emitting elements. The organic light emitting elements have first electrodes to which the first power voltage is applied in a first direction and second electrodes to which the second power voltage is applied in a second direction.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: September 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Hye Eom, Do-Ik Kim
  • Patent number: 9355591
    Abstract: An organic light emitting diode (OLED) display and a method of compensating for degradation are disclosed. One inventive aspect includes a panel assembly including a plurality of pixels. Luminance measuring units are formed along a perimeter of the panel assembly to measure luminance of light emitted from the pixels. A processing unit compares the measured luminance data so as to detect and also compensate for a degraded pixel.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 31, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Hye Eom, Baek-Woon Lee, In-Hwan Ji
  • Publication number: 20160055799
    Abstract: An organic light-emitting diode (OLED) display and a method of operating the same are disclosed. In one aspect, the display includes a plurality of pixels each including a pixel circuit and produces grayscale values by adjusting an emission duty based at least in part on image data. The method comprises calculating a voltage drop of a power supply voltage at each of the pixel circuits based at least in part on the image data and extracting a luminance decrement corresponding to the voltage drop for each pixel circuit based at least in part on a voltage-luminance characteristic of the pixels. The method also comprises increasing the emission duty for each pixel based at least in part on the luminance decrement, and driving the pixels based at least in part on the increased emission duty.
    Type: Application
    Filed: January 16, 2015
    Publication date: February 25, 2016
    Inventors: Ji-Hye Eom, Baek-Woon Lee
  • Publication number: 20160049115
    Abstract: The present invention provides a display device and a method of driving the same.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 18, 2016
    Inventors: Hyung-Don NA, Young-Il KIM, Doo-Hyung WOO, Young-Jin CHANG, Ji-Hye EOM, In-Do CHUNG, Seong-Hyun JIN
  • Publication number: 20150356947
    Abstract: A display device and a method of generating a data signal in the same are disclosed. In one aspect, the display device includes a display panel including pixels each configured to emit light based on a data signal. The display device also includes a power supply line configured to receive a power supply voltage from a power supply, the power supply configured to apply the power supply voltage to at least one sample pixel through the power supply line. The display device further includes a data signal generator that generates the data signal based at least in part on image data, calculate a voltage drop of the power supply voltage based on a measured level of the power supply voltage, and control the data signal based at least in part on the calculated voltage drop.
    Type: Application
    Filed: November 7, 2014
    Publication date: December 10, 2015
    Inventors: Ji-Hye Eom, Baek-Woon Lee
  • Publication number: 20150255019
    Abstract: An organic light emitting display device includes: a display panel including a plurality of pixels; a controller configured to correct input image signals supplied from the outside according to an amount of voltage drop; a data driver configured to supply data signals corresponding to the corrected image signals; and a scan driver configured to supply scan signals to scan lines. The controller includes: a load factor calculator configured to calculate a load factor of a panel; a horizontal block load factor calculator configured to calculate a driving current of a plurality of horizontal blocks formed by dividing the panel according to the scan lines; a voltage drop amount calculator configured to calculate the amount of the voltage drop based on the driving current; and a lookup table generator configured to generate a voltage drop correction lookup table based on the amount of the voltage drop.
    Type: Application
    Filed: November 18, 2014
    Publication date: September 10, 2015
    Inventors: Hee-Sook Park, Ji-Hye Eom, Sun-Joon Hwang
  • Patent number: 9064454
    Abstract: A display device and a method of driving the same, in which the display device includes: a light-emitting element; a first capacitor connected between first and second contact points; a driving transistor that has a control terminal connected to the second contact point, an input terminal connected to a driving voltage, and an output terminal connected to the light-emitting element; a first switching transistor connected between a data voltage or a sustain voltage and the first contact point; a second switching transistor connected between the second contact point and the output terminal of the driving transistor; and a third switching transistor connected between a reference current source and the output terminal of the driving transistor.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: June 23, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Myeon Han, Jae-Beom Choi, Bong-Ju Kim, Kwon-Hyung Lee, Ji-Hye Eom, Sang-Hyun Jun, Hyun-Been Hwang
  • Patent number: 9041278
    Abstract: A method of manufacturing a display panel of an organic light emitting display device includes determining a plurality of pixel groups, the pixel groups corresponding to groups of pixels of the display panel, calculating aperture ratios for the pixels, respective aperture ratios being calculated by pixel group based on respective distances between a power unit and the pixel groups, and forming the pixels of the display panel to have the respective aperture ratios according to the corresponding pixel groups.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Hye Eom, Hae-Yeon Lee
  • Publication number: 20140320553
    Abstract: An organic light emitting diode (OLED) display and a method of compensating for degradation are disclosed. One inventive aspect includes a panel assembly including a plurality of pixels. Luminance measuring units are formed along a perimeter of the panel assembly to measure luminance of light emitted from the pixels. A processing unit compares the measured luminance data so as to detect and also compensate for a degraded pixel.
    Type: Application
    Filed: April 30, 2014
    Publication date: October 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji-Hye Eom, Baek-Woon Lee, In-Hwan JI
  • Patent number: 8810485
    Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Baek-Woon Lee, Doo-Hyung Woo, Kyong-Tae Park, Ji-Hye Eom, Seong-Il Park
  • Patent number: 8786591
    Abstract: A pixel capable of reducing leakage current (to display an image with desired brightness) is provided. The pixel includes: an organic light emitting diode (OLED) coupled to a second power source; a first transistor for controlling an amount of current that flows from a first power source to the second power source via the OLED; a second transistor coupled between a data line and the first transistor, and configured to turn on when a scan signal is supplied to a scan line; a third transistor and a fourth transistor serially coupled between the first transistor and an initializing power source; and a fifth transistor coupled between a first node coupled to a gate electrode of the first transistor, and a second node that is a common node between the third transistor and the fourth transistor, and configured to turn off in a period where current is supplied to the OLED.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: July 22, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Sung Park, Deok-Young Choi, Ji-Hye Eom