Patents by Inventor Se-Hyoung Cho

Se-Hyoung Cho 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: 11307715
    Abstract: In a display device, a driving element is disposed on a rear substrate, and a passivation layer covers the driving element. A pixel electrode is disposed on the passivation layer and is connected to the driving element. An organic emission layer is disposed on the pixel electrode and is configured to emit light toward the rear substrate. A common electrode is disposed on the organic emission layer. A touch electrode is disposed between the rear substrate and the passivation layer, and it forms a capacitive component when an external touch occurs.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: April 19, 2022
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Kang Moon Jo, Dong Woo Kim, Il Gon Kim
  • Patent number: 10839750
    Abstract: An electrostatic discharging circuit includes a first transistor including a first electrode electrically connected to a signal line, a second electrode receiving a first voltage, and a first gate electrode electrically connected to a first node. A second transistor includes a third electrode electrically connected to the signal line, a fourth electrode electrically connected to the first node, and a second gate electrode electrically connected to the first node. A first capacitor receives the first voltage and is electrically connected to the first node.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mee-Hye Jung, Se-Hyoung Cho, Jang-Mi Kang, Kyung-Hoon Kim
  • Patent number: 10529273
    Abstract: 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: Grant
    Filed: February 21, 2019
    Date of Patent: January 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
  • Patent number: 10438529
    Abstract: 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: Grant
    Filed: May 11, 2017
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
  • Patent number: 10332466
    Abstract: A method of driving a display panel includes providing a positive polarity data signal to a first data line during an odd-numbered frame, and providing a negative polarity data signal to the first data line during an even-numbered frame. The positive polarity data signal has a first polarity. The negative polarity data signal has a second polarity. Output timing of the positive polarity data signal is different from output timing of the negative polarity data signal.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hyoung Cho, Hyun Joon Kim, Cheol-Gon Lee, Jangmi Kang, Mee-Hye Jung, Jong-Hee Kim
  • Publication number: 20190189046
    Abstract: 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: Application
    Filed: February 21, 2019
    Publication date: June 20, 2019
    Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
  • Patent number: 10223957
    Abstract: 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: Grant
    Filed: December 13, 2017
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
  • Patent number: 10168584
    Abstract: A liquid crystal display (LCD) according to an exemplary embodiment of the present invention includes: a lower panel having a pixel electrode including at least one unit pixel electrode; an upper panel having a common electrode including at least one unit common electrode; and a liquid crystal layer interposed between the lower and upper panels. The unit pixel electrode includes an at least approximately diagonally oriented and parallelogram-shaped center electrode, and further includes a plurality of branches extending from the center electrode, and the common electrode includes an opening extending in a first direction corresponding to a direction of bending of the LCD.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: January 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Sang Hyeon Song, Il Gon Kim, Mee Hye Jung
  • Patent number: 10120508
    Abstract: A touch sensor including first touch electrode lines extending in one direction and second touch electrode lines extending in a diagonal direction sloped with respect to the first touch electrode lines. A first touch electrode line intersects a second touch electrode line.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: November 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Il Gon Kim, Kyung-Hoon Kim, Sang Jin Jeon
  • Publication number: 20180292932
    Abstract: In a display device, a driving element is disposed on a rear substrate, and a passivation layer covers the driving element. A pixel electrode is disposed on the passivation layer and is connected to the driving element. An organic emission layer is disposed on the pixel electrode and is configured to emit light toward the rear substrate. A common electrode is disposed on the organic emission layer. A touch electrode is disposed between the rear substrate and the passivation layer, and it forms a capacitive component when an external touch occurs.
    Type: Application
    Filed: June 15, 2018
    Publication date: October 11, 2018
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Kang Moon Jo, Dong Woo Kim, Il Gon Kim
  • Patent number: 10025437
    Abstract: In a display device, a driving element is disposed on a rear substrate, and a passivation layer covers the driving element. A pixel electrode is disposed on the passivation layer and is connected to the driving element. An organic emission layer is disposed on the pixel electrode and is configured to emit light toward the rear substrate. A common electrode is disposed on the organic emission layer. A touch electrode is disposed between the rear substrate and the passivation layer, and it forms a capacitive component when an external touch occurs.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Kang Moon Jo, Dong Woo Kim, Il Gon Kim
  • Patent number: 9991296
    Abstract: A liquid crystal display includes a first pixel and a second pixel that extend in a data line direction. The first and second pixels are connected to a same data line, and the first pixel is closer to a data driver than the second pixel. A channel width of a thin film transistor of the first pixel is less than a channel width of a thin film transistor of the second pixel.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Il Gon Kim, Sung Hwan Kim, Mee Hye Jung
  • Patent number: 9947253
    Abstract: There are provided a display device capable of detecting a defect of a scan driver. The display device includes pixels positioned in regions demarcated by scan lines and data lines, a scan driver including a plurality of stages connected to the scan lines, an inspection unit connected to the stages to detect whether the stages are defective, and including first transistors turned on when a control signal is supplied, and a timing controller supplying the control signal, wherein the timing controller detects a position of a defective stage by reducing a period during which the control signal is supplied.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyoung Cho, Dong Woo Kim, Kyung Hoon Kim, Il Gon Kim, Kang Moon Jo
  • Publication number: 20180102084
    Abstract: 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: Application
    Filed: December 13, 2017
    Publication date: April 12, 2018
    Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
  • Patent number: 9927671
    Abstract: A display panel includes a high pixel electrode including a first stem which extends substantially in a first direction, and a second stem which extends substantially in a second direction crossing the first direction, a low pixel electrode including a first stem which extends substantially in the first direction, and a second stem which extends substantially in the second direction, a data line which extends in the second direction, a high storage line which extends substantially in the second direction and overlaps the second stem of the high pixel electrode, and a low storage line which extends substantially in the second direction and overlaps the second stem of the low pixel electrode.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hyoung Cho, Il-Gon Kim, Mee-Hye Jung
  • Patent number: 9888582
    Abstract: A display device including a flexible substrate that includes a display part to display an image; a driving integrated chip (IC) that supplies a driving voltage to the display part; a flexible printed circuit (FPC) attached to an outer side portion of the substrate; and a printed circuit board (PCB) attached to the FPC, the PCB transferring the driving voltage to the driving IC through the FPC, wherein the FPC includes attachment parts at ends thereof, the attachment parts of the FPC being attached to pad parts at the outer side portion of the substrate and to pad parts of the PCB, and the attachment parts include slits therein.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Moon Jo, Se Hyoung Cho, Kyung-Hoon Kim, Dong Woo Kim, Il Gon Kim
  • Patent number: 9870746
    Abstract: A liquid crystal display apparatus is provided which includes a pixel including a storage capacitor, wherein the storage capacitor is connected to be between a pixel electrode and a storage voltage line, a light sensing unit connected to be between the storage voltage line and a first node, and a transfer unit connected to transfer a voltage from the first node to a sensing line.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokha Hong, Se Hyoung Cho
  • Patent number: 9830875
    Abstract: Provided is a display device. The display apparatus includes a plurality of data lines, a data driver, a plurality of gate lines, gate drivers, wherein the gate drivers includes first gate drivers connected to one end of a first group of the plurality of gate lines and second drivers connected to the other end of a second group of the plurality of gate lines, compensation circuits for compensating a rising time and falling time of gate signals outputted from the gate drivers, wherein the compensation circuits includes first compensation circuits connected to the other end of the first group of the plurality of gate lines and second compensation circuits connected to one end of the second group of the plurality of gate lines; and a plurality of pixels are respectively disposed on areas between the gate drivers.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Dongwoo Kim, Kyung-Hoon Kim, Ilgon Kim, Meehye Jung
  • Patent number: 9773858
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of data lines formed in a display area and a plurality of data pad portions formed in a non-display area and including a plurality of data pads and a plurality of dummy pads formed outside of the data pads. The display also includes a plurality of data fan-out portions electrically connected to the data pads and the data lines, and including a plurality of diagonal portions diagonally formed with respect to the data lines. The display also includes a plurality of voltage applying lines electrically connected to the dummy pads and insulated from the data fan-out portions, wherein at least one of the voltage applying lines intersects one or more of the diagonal portions.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: September 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Gyung Soon Park, Min Jae Jeong, Il Gon Kim, Mee Hye Jung
  • Publication number: 20170271382
    Abstract: A liquid crystal display includes a first pixel and a second pixel that extend in a data line direction. The first and second pixels are connected to a same data line, and the first pixel is closer to a data driver than the second pixel. A channel width of a thin film transistor of the first pixel is less than a channel width of a thin film transistor of the second pixel.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 21, 2017
    Inventors: Se Hyoung CHO, Il Gon KIM, Sung Hwan KIM, Mee Hye JUNG