Patents by Inventor Dong-Gyu Kim
Dong-Gyu Kim 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: 10580800Abstract: A thin film transistor includes a substrate, a semiconductor layer on the substrate, a first insulating layer covering the substrate and the semiconductor layer, a first gate electrode on the first insulating layer and overlapping the semiconductor layer, a second insulating layer covering the first gate electrode and the first insulating layer, a second gate electrode on the second insulating layer and overlapping the semiconductor layer and the first gate electrode, a third insulating layer covering the second gate electrode, a first contact hole defined in the first insulating layer, the second insulating layer and the third insulating layer, and through which a portion of the semiconductor layer is exposed, and a source electrode and a drain electrode connected to the semiconductor layer through the first contact hole.Type: GrantFiled: October 24, 2017Date of Patent: March 3, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung-Bae Kim, Bo-Yong Chung, Hai-Jung In, Dong-Gyu Kim
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Publication number: 20200068198Abstract: Provided are a block based video decoding method and an apparatus thereof, the method includes receiving a bitstream; generating a prescan information corresponding to a picture unit image from the bitstream; and decoding the picture unit image of the bitstream using the prescan information. The bitstream includes the image information in which the picture unit image is divided into one or more coding unit and sequentially block-coded according to a predetermined order in the coding unit, and the decoding comprising processing a block decoding in accordance with the predetermined order in the intra-picture in a non-dependent manner with an encoding order in an intra-coding unit using the prescan information.Type: ApplicationFiled: February 27, 2018Publication date: February 27, 2020Inventors: Sung Mo YANG, Jung Tae KIM, Kwang Hyun CHOI, Jin Seon YOUN, Dong Gyu KIM
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Publication number: 20200043422Abstract: A display device includes a display panel including a reference voltage providing portion configured to apply a first reference voltage from a first reference voltage line to a plurality of readout lines and a pixel portion having a plurality of pixels connected to the readout lines, a scan driver providing a scan signal to the pixels via a plurality of scan lines, a data driver providing a data signal to the pixels via a plurality of data lines, a readout circuit converting voltages of the readout lines to digital data, and a controller cutting off a power based on the digital data.Type: ApplicationFiled: October 9, 2019Publication date: February 6, 2020Inventor: Dong-Gyu Kim
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Patent number: 10529273Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.Type: GrantFiled: February 21, 2019Date of Patent: January 7, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
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Publication number: 20190385535Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.Type: ApplicationFiled: August 30, 2019Publication date: December 19, 2019Inventors: Hai Jung In, Dong Gyu Kim, Bo Yong Chung
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Patent number: 10482825Abstract: A display device includes a display panel including a reference voltage providing portion configured to apply a first reference voltage from a first reference voltage line to a plurality of readout lines and a pixel portion having a plurality of pixels connected to the readout lines, a scan driver providing a scan signal to the pixels via a plurality of scan lines, a data driver providing a data signal to the pixels via a plurality of data lines, a readout circuit converting voltages of the readout lines to digital data, and a controller cutting off a power based on the digital data.Type: GrantFiled: January 27, 2017Date of Patent: November 19, 2019Assignee: Samsung Display Co., Ltd.Inventor: Dong-Gyu Kim
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Patent number: 10475382Abstract: A display device includes a display panel including a first pixel, a second pixel, and a third pixel, a scan driver configure to provide a scan signal to the first through the third pixels, a data driver which provides a data signal to the first through the third pixels, a reference voltage generator which provides a first reference voltage that compensates a degradation of a first driving transistor, a second reference voltage that compensates a degradation of a second driving transistor, and a third reference voltage that compensates a degradation of a third driving transistor, and a timing controller which generates a control signal that controls the scan driver, the data driver, and the reference voltage generator.Type: GrantFiled: February 9, 2018Date of Patent: November 12, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Bo-Yong Chung, Dong-Gyu Kim, Hai-Jung In
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Patent number: 10475380Abstract: An organic light-emitting display apparatus includes: a plurality of emitting pixels coupled to a plurality of scan lines extending in a row direction and a plurality of data lines extending in a column direction; a plurality of dummy pixels arranged in the row direction; a plurality of first repair lines extending in the column direction, that are coupled to the plurality of dummy pixels, and that are adapted to be coupled to the plurality of emitting pixels; a plurality of second repair lines extending in the column direction, and that are coupled to the plurality of dummy pixels; and a plurality of repair switching devices arranged in a matrix array and adapted to be coupled to the plurality of scan lines and the plurality of second repair lines and adapted to be coupled to the plurality of data lines.Type: GrantFiled: May 8, 2017Date of Patent: November 12, 2019Assignee: Samsung Display Co., Ltd.Inventors: Young-In Hwang, Young-Jin Cho, Dong-Gyu Kim
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Patent number: 10438529Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.Type: GrantFiled: May 11, 2017Date of Patent: October 8, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
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Patent number: 10403211Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.Type: GrantFiled: August 12, 2016Date of Patent: September 3, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hai Jung In, Dong Gyu Kim, Bo Yong Chung
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Patent number: 10352819Abstract: A image acquisition device comprises a light source unit, a digital micro mirror, an optical transfer medium, an imaging unit, and a beam splitter, wherein a single focusing pattern light is formed to be focused on a single specific point when the focusing pattern light penetrates the optical transfer medium, and specific points focused by each of the plurality of focusing pattern lights scan the object to be measured such that the object to be measured is imaged. Therefore, when an image is obtained through an optical transfer medium such as an optical fiber, pixelation and aberration can be avoided regardless of the type of optical transfer medium and an image having high resolution can be obtained fast without a separate scanner.Type: GrantFiled: February 26, 2014Date of Patent: July 16, 2019Assignee: Korea University Research and Business FoundationInventors: Won-Shik Choi, Dong-Gyu Kim
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Patent number: 10338443Abstract: In an amorphous silicon thin film transistor-liquid crystal display device and a method of manufacturing the same, gate patterns including a gate line and a gate electrode are formed on an insulation substrate having a display region and a driving circuit region on which a plurality of shift resistors are formed. A gate insulating film, active layer patterns and data patterns including source/drain electrodes are formed successively on the substrate. A passivation layer on the substrate has a first contact hole exposing a drain electrode of the display region and second and third contact holes respectively exposing a gate electrode and source/drain electrode of a first transistor of each of the shift resistors.Type: GrantFiled: January 16, 2019Date of Patent: July 2, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Dong-Gyu Kim
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Publication number: 20190189046Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.Type: ApplicationFiled: February 21, 2019Publication date: June 20, 2019Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
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Publication number: 20190146260Abstract: In an amorphous silicon thin film transistor-liquid crystal display device and a method of manufacturing the same, gate patterns including a gate line and a gate electrode are formed on an insulation substrate having a display region and a driving circuit region on which a plurality of shift resistors are formed. A gate insulating film, active layer patterns and data patterns including source/drain electrodes are formed successively on the substrate. A passivation layer on the substrate has a first contact hole exposing a drain electrode of the display region and second and third contact holes respectively exposing a gate electrode and source/drain electrode of a first transistor of each of the shift resistors.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Inventor: DONG-GYU KIM
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Patent number: 10223957Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.Type: GrantFiled: December 13, 2017Date of Patent: March 5, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
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Patent number: 10216053Abstract: In an amorphous silicon thin film transistor-liquid crystal display device and a method of manufacturing the same, gate patterns including a gate line and a gate electrode are formed on an insulation substrate having a display region and a driving circuit region on which a plurality of shift resistors are formed. A gate insulating film, active layer patterns and data patterns including source/drain electrodes are formed successively on the substrate. A passivation layer on the substrate has a first contact hole exposing a drain electrode of the display region and second and third contact holes respectively exposing a gate electrode and source/drain electrode of a first transistor of each of the shift resistors.Type: GrantFiled: September 27, 2016Date of Patent: February 26, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Dong-Gyu Kim
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Patent number: 10217434Abstract: A display device and a driving method therefor includes a plurality of unit pixels arranged in a matrix form, a plurality of gate lines extending in a row direction and connected to the unit pixels, respectively, pluralities of first and second data lines extending in a column direction and connected to the unit pixels, respectively, a plurality of charge control lines extending in the row direction and connected to the unit pixels, respectively, a plurality of gate connection lines connected to at least two adjacent gate lines, respectively, and a plurality of charge connection lines connected to at least two adjacent charge control lines, respectively.Type: GrantFiled: January 11, 2018Date of Patent: February 26, 2019Assignee: Samsung Display Co., Ltd.Inventors: Dong-Gyu Kim, Seong-Young Lee, Sahng-Ik Jun, Sung-Jae Moon
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Patent number: 10185195Abstract: A liquid crystal display device for improving picture quality includes a common electrode formed on a first substrate, gate lines and data lines formed on a second substrate bonded to the first substrate by a sealing member with liquid crystals disposed therebetween, thin film transistors connected to the gate lines and to the data lines, pixel electrodes formed in subpixel regions, each pixel electrode having a long side in a direction of the gate lines and having a short side in a direction of the data lines fanout lines for supplying a driving signals from the driving chips to the data lines, first conductive spacers formed between the fanout lines connected to different driving chips, for supplying a common voltage to the common electrode, and second conductive spacers formed between the fanout lines connected to the same driving chip, for supplying the common voltage to the common electrode.Type: GrantFiled: August 16, 2017Date of Patent: January 22, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Gyu Kim, Jong Woong Chang
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Publication number: 20180352611Abstract: Provided is a method of fabricating a metal nanowire heater, the method including a coating step of coating, on a substrate, a coating film containing laser-etchable and low-melting-point metal nanowires, a thermal joining step of enhancing connection between contact parts of the metal nanowires due to a chemical and physical action occurring when an ionic liquid is phase-changed, by supplying the ionic liquid onto the coating film and applying heat from outside, and an electrode forming step of forming electrodes on the coating film.Type: ApplicationFiled: May 23, 2018Publication date: December 6, 2018Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sang Woo KIM, Dong Gyu KIM
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Patent number: RE47431Abstract: A liquid crystal display includes a substrate, a plurality of gate lines formed on the substrate, a plurality of data lines intersecting the plurality of gate lines, a plurality of thin film transistors connected to the plurality of gate lines and the plurality of data lines, and a plurality of pixel electrodes connected to the plurality of thin film transistors and arranged in a matrix, wherein each of the pixel electrodes includes a first side parallel to each gate line and a second side being shorter than the first side, the second side being formed next to the first side, wherein the plurality of pixel electrodes that are adjacent to each other in a column direction are connected to different data lines from each other.Type: GrantFiled: June 14, 2016Date of Patent: June 11, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Dong-Gyu Kim