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).
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Publication number: 20240105117Abstract: 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: ApplicationFiled: June 21, 2023Publication date: March 28, 2024Inventors: Chang Ho HYUN, Joonhee SONG, Ji Hye EOM, Seungwon CHEGAL
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Patent number: 11545536Abstract: 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: GrantFiled: December 23, 2020Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hye Eom, Dong Wan Choi
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Publication number: 20220376311Abstract: 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: ApplicationFiled: October 7, 2021Publication date: November 24, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jongmok SHIN, Jinhyeong CHOI, Ji Hye EOM
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Publication number: 20210202665Abstract: 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: ApplicationFiled: December 23, 2020Publication date: July 1, 2021Applicant: Samsung Display Co., LTD.Inventors: Ji Hye Eom, Dong Wan Choi
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Patent number: 10937372Abstract: 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: GrantFiled: May 24, 2016Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Byoung-Kwan An, Seung-Ho Park, Hee-Sook Park, Ji-Hye Eom
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Patent number: 10475377Abstract: The present invention provides a display device and a method of driving the same.Type: GrantFiled: October 30, 2015Date of Patent: November 12, 2019Assignee: 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
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Patent number: 10276090Abstract: 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: GrantFiled: November 18, 2014Date of Patent: April 30, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hee-Sook Park, Ji-Hye Eom, Sun-Joon Hwang
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Publication number: 20170206842Abstract: 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: ApplicationFiled: May 24, 2016Publication date: July 20, 2017Inventors: Byoung-Kwan AN, Seung-Ho PARK, Hee-Sook PARK, Ji-Hye EOM
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Publication number: 20160379556Abstract: 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: ApplicationFiled: September 9, 2016Publication date: December 29, 2016Inventors: Ji-Hye EOM, Do-Ik KIM
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Patent number: 9443474Abstract: 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: GrantFiled: May 20, 2013Date of Patent: September 13, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Hye Eom, Do-Ik Kim
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Patent number: 9355591Abstract: 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: GrantFiled: April 30, 2014Date of Patent: May 31, 2016Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hye Eom, Baek-Woon Lee, In-Hwan Ji
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Publication number: 20160055799Abstract: 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: ApplicationFiled: January 16, 2015Publication date: February 25, 2016Inventors: Ji-Hye Eom, Baek-Woon Lee
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Publication number: 20160049115Abstract: The present invention provides a display device and a method of driving the same.Type: ApplicationFiled: October 30, 2015Publication date: February 18, 2016Inventors: Hyung-Don NA, Young-Il KIM, Doo-Hyung WOO, Young-Jin CHANG, Ji-Hye EOM, In-Do CHUNG, Seong-Hyun JIN
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Publication number: 20150356947Abstract: 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: ApplicationFiled: November 7, 2014Publication date: December 10, 2015Inventors: Ji-Hye Eom, Baek-Woon Lee
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Publication number: 20150255019Abstract: 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: ApplicationFiled: November 18, 2014Publication date: September 10, 2015Inventors: Hee-Sook Park, Ji-Hye Eom, Sun-Joon Hwang
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Patent number: 9064454Abstract: 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: GrantFiled: May 4, 2009Date of Patent: June 23, 2015Assignee: 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
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Patent number: 9041278Abstract: 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: GrantFiled: May 24, 2013Date of Patent: May 26, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Hye Eom, Hae-Yeon Lee
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Publication number: 20140320553Abstract: 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: ApplicationFiled: April 30, 2014Publication date: October 30, 2014Applicant: Samsung Display Co., Ltd.Inventors: Ji-Hye Eom, Baek-Woon Lee, In-Hwan JI
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Patent number: 8810485Abstract: 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: GrantFiled: July 26, 2013Date of Patent: August 19, 2014Assignee: Samsung Display Co., Ltd.Inventors: Baek-Woon Lee, Doo-Hyung Woo, Kyong-Tae Park, Ji-Hye Eom, Seong-Il Park
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Patent number: 8786591Abstract: 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: GrantFiled: February 17, 2011Date of Patent: July 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yong-Sung Park, Deok-Young Choi, Ji-Hye Eom