Patents by Inventor Yang Wan Kim

Yang Wan 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).

  • Publication number: 20210407392
    Abstract: A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Yang Wan KIM, Su Jin LEE, Sun Ja KWON, Byung Sun KIM, Hyun Ae PARK, Hyung Jun PARK, Jae Yong LEE, Yu Jin JEON
  • Patent number: 11205386
    Abstract: A display device includes a substrate having a first pixel region, a second pixel region having a smaller area than the first pixel region, the second pixel region being connected to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a first pixel and a second pixel respectively at the first and second pixel regions, a first line connected to the first pixel and a second line connected to the second pixel, and a dummy unit in the peripheral region, the dummy unit overlapping with at least one of the first and second lines, the dummy unit being configured to compensate for a difference between a load value of the first line and a load value of the second line, wherein the dummy unit includes at least two sub-dummy units spaced from each other.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: December 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Jae Yong Lee, Sun Ja Kwon, Hyun Ae Park, Byung Sun Kim, Su Jin Lee, Hyung Jun Park, Yu Jin Jeon
  • Patent number: 11205374
    Abstract: A stage in an emission control driver of a display device includes an input unit to control a voltage of a first node and a second node in response to a first input signal supplied from a first input terminal and a second input signal supplied from a second input terminal, respectively; a first controller to control a voltage of a third node and a fourth node in response to a third input signal supplied from a third input terminal and the voltage of the second node; a second controller to control the voltage of the fourth node in response to the voltage of the first node; and an output unit to supply a voltage of a first power supply or a second power supply to an output terminal in response to the voltage of the third node or the voltage of the fourth node.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: December 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Su Na, Yang Wan Kim, Joong Soo Moon, Young Jin Cho
  • Patent number: 11195462
    Abstract: Provided are a display device. The display device comprises: a display unit defined by a display area and a non-display area located outside the display area, and including pixels arranged in the display area, first sensing wirings electrically connected to the pixels, and auxiliary voltage wirings electrically separated from the pixels; and a sensing unit electrically connected to the first sensing wirings, wherein the first sensing wirings and the auxiliary voltage wirings extend in a first direction and are sequentially arranged along a second direction perpendicular to the first direction at first intervals, the first sensing wirings are spaced apart from each other along the second direction at second intervals greater than the first intervals and are electrically separated from each other, and the auxiliary voltage wirings are electrically connected to each other.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: December 7, 2021
    Inventors: Ki Wook Kim, Kwang Min Kim, Yang Wan Kim, Ji Su Na, Min Woo Byun
  • Patent number: 11183112
    Abstract: A display device includes a substrate including a first pixel region and a second pixel region having a smaller area than the first pixel region. The second pixel region is connected to the first pixel region. A first pixel is provided in the first pixel region and a second pixel is provided in the second pixel region. A first line is connected to the first pixel and a second line is connected to the second pixel. A dummy unit overlaps at least one of the first line and the second line, and compensates for a difference in load values between the first and second lines.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang Wan Kim, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Su Jin Lee, Jae Yong Lee
  • Publication number: 20210356798
    Abstract: A flexible display panel includes a flexible substrate including a first region including a display region and having a curved display surface, and a plurality of non-display regions that is located outside the display region and including a second region located outside the first region and folded in a direction different from a display direction of the first region, and an encapsulation member for encapsulating the display region along the curved display surface.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 18, 2021
    Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
  • Patent number: 11176883
    Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: November 16, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Su Na, Joong-Soo Moon, Chae Han Hyun, Yang Wan Kim
  • Patent number: 11169570
    Abstract: A flexible display panel including: a flexible panel including a first region including a display region and oriented on a first plane and a second region including a non-display region and oriented on a second plane different from the first plane; and a flexible encapsulation member disposed on the flexible panel so as to encapsulate at least the display region.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: November 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
  • Patent number: 11164497
    Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: November 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hoon Kwon, Ji Hyun Ka, Byung Sun Kim, Yang Wan Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • Patent number: 11164514
    Abstract: A display device includes a substrate including a pixel area including a pixel; a peripheral area adjacent to the pixel area; and a boundary between the pixel area and the peripheral area, the boundary comprising a rounded corner; a data driver in the peripheral area; a data line through which a data signal is provided from the data driver to the pixel; and an initialization voltage source in the peripheral area and connected to the pixel, the initialization voltage source extended along the rounded corner of the boundary between the pixel area and the peripheral area. Along the rounded corner of the boundary, the initialization voltage source overlaps the data line along a thickness direction.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: November 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Jin Cho, Min Woo Byun, Joong Soo Moon, Yang Wan Kim, Han Sol Kim
  • Publication number: 20210335268
    Abstract: An organic light emitting diode (OLED) display includes: a display area comprising a plurality of pixel rows configured to emit light in response to a light emission signal; a light emission signal generator at the periphery of the display area, and including a plurality of light emission signal stages connected to the plurality of pixel rows; and a first high voltage transmission line and a second high voltage transmission line connected to the light emission signal generator, wherein the first high voltage transmission line is connected to a plurality of odd-numbered light emission signal stages among the plurality of light emission signal stages, and the second high voltage transmission line is connected to a plurality of even-numbered light emission signal stages among the plurality of light emission signal stages.
    Type: Application
    Filed: January 8, 2021
    Publication date: October 28, 2021
    Inventors: Min Woo BYUN, Ji Su NA, Jong Won PARK, Yang Wan KIM
  • Patent number: 11151926
    Abstract: A display device includes a substrate including a first pixel area, a second pixel area, and a third pixel area, each of the second and third pixel areas having a smaller surface area than the first pixel area and being connected to the first pixel area, first to third pixels provided in the first to third pixel areas, respectively, first to third lines connected to the first to third pixels, respectively, a line connecting part connecting the second and third lines, and a dummy unit overlapping the line connecting part to compensate for a difference of a load value of the first line and a load value of the second line.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hyun Ka, Sun Ja Kwon, Tae Hoon Kwon, Byung Sun Kim, Yang Wan Kim, Hyun Ae Park, Su Jin Lee, Seung Kyu Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • Patent number: 11133373
    Abstract: Disclosed is a display device, including: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area as a plurality of pixel rows and a plurality of pixel columns; data lines configured to provide a data signal; scan lines configured to provide a scan signal; first power lines configured to provide a power source to the pixel columns; and a second power line connected to the first power lines and disposed in the peripheral area. A scan line connected to an ith pixel row may apply a scan signal to the ith pixel row, and a branched line branched from the scan line may apply an initialization signal to a kth pixel row (k?i). A branched point of the scan line is disposed between a pixel most adjacent to the second power line of the ith pixel row and the second power line.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: September 28, 2021
    Inventors: Yang Wan Kim, Jae Yong Lee, Sun Ja Kwon, Hyun Ae Park, Byung Sun Kim, Su Jin Lee, Hyung Jun Park, Yu Jin Jeon
  • Publication number: 20210288133
    Abstract: A display device includes: a central area having a display area on a substrate; and a peripheral area around the central area; a plurality of pads arranged along one direction in the central area; a plurality of insulating patterns adjacent the plurality of pads; and a slit between the plurality of insulating patterns in the peripheral area, wherein the slit is formed by removing at least a portion of an insulating material of the plurality of insulating patterns.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 16, 2021
    Inventors: Yang-Wan Kim, Won-Kyu Kwak
  • Patent number: 11120737
    Abstract: A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 14, 2021
    Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
  • Publication number: 20210257441
    Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area, the first power source line including a first layer and a second layer electrically connected to each other, a first gate pattern disposed between the first layer of the substrate and including a first gate fan-out line in the peripheral area and a first gate connecting line connected to the first gate fan-out line and extending between the first gate fan-out line and the display area, a first insulation layer disposed between the first layer and the second layer of the first power source line, a second insulation layer disposed between the first insulation layer and the second layer, and a first insulating dam disposed on and contacting the second layer, the first insulating dam disposed in the peripheral area and surrounding the display area.
    Type: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Inventors: Youngjin CHO, Joong-Soo MOON, Cheol-Gon LEE, Yang Wan KIM, Changkyu JIN
  • Publication number: 20210240228
    Abstract: A flexible display panel including: a flexible substrate including a first region, second regions that extend from the first region and that have a curved surface, and a third region folded towards the second regions; a first display region in the first region of the flexible substrate; a second display region in the second regions of the flexible substrate; a plurality of non-display regions outside the first display region or the second display regions, wherein at least one of the plurality of non-display regions is in the third region of the flexible substrate; and an encapsulation member for encapsulating the first display region and the second display regions.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 5, 2021
    Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
  • Publication number: 20210241696
    Abstract: An embodiment provides a display device including: a display area including a plurality of pixels; a dummy area adjacent to an edge of the display area; a reference voltage supplying line in the dummy area and to supply a reference voltage; and a wire area in which a wire to supply a signal applied to the display area is located, wherein a pixel of the plurality of pixels includes a light emitting diode coupled between a driving voltage line to which a driving voltage is to be applied and a common voltage line to which a common voltage is to be applied, and a driving transistor coupled between the driving voltage line and the light emitting diode, and wherein the reference voltage is to be supplied to a first electrode of the driving transistor.
    Type: Application
    Filed: November 5, 2020
    Publication date: August 5, 2021
    Inventors: Young Jin CHO, Myeong Hee SEO, Yang Wan KIM
  • Publication number: 20210242301
    Abstract: A display device includes a substrate having a pixel area with at least a first rounded corner portion and first to third non-pixel areas arranged sequentially along an outer circumference of the pixel area. An internal circuit in the first non-pixel area has a first end portion adjacent to the first rounded corner portion of the pixel area. The first end portion of the internal circuit is rounded in accordance with the first rounded corner portion. A plurality of routing wires are in the third non-pixel area below the pixel area. The routing wires extending to the pixel area via the second non-pixel area and the first non-pixel area. The routing wires include at least a first routing wire connected to the pixel area passing an area of the first end portion of the internal circuit.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 5, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung Kyu LEE, Yang Wan KIM, Sun Ja KWON, Byung Sun KIM, Hyun Ae PARK, Su Jin LEE, Jae Yong LEE, Tae Hoon KWON, Seung Ji CHA
  • Publication number: 20210233472
    Abstract: A display device includes a first pixel area having first pixels and a second pixel area having second pixels. Each first pixel includes a driving transistor initialized to a voltage of a first initialization power supply. Each second pixel includes a driving transistor initialized to a voltage of a second initialization power supply. The first initialization power supply and the second initialization power supply are set to different voltages. The first pixel area and the second pixel area have different widths.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Inventors: Yang Wan Kim, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Yu Jin Jeon