Patents by Inventor Hwa-Jeong Kim

Hwa-Jeong 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: 20210013287
    Abstract: A display device includes a display panel which includes a display area and a non-display area, a plurality of signal wirings arranged in the display area, a plurality of fanout wirings arranged in the non-display area and electrically connected to the signal wirings, and a plurality of connecting wirings connecting the signal wirings to the fanout wirings, where some of the plurality of fanout wirings intersect and are overlapped with each other in a plan view.
    Type: Application
    Filed: March 16, 2020
    Publication date: January 14, 2021
    Inventors: Ki Ho BANG, Hwa Jeong KIM, Yong Hwan PARK, Yong Je JEON, Won Suk CHOI
  • Publication number: 20200333898
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 22, 2020
    Inventors: Hwa Jeong KIM, Jae Sic LEE, Na Yun KWAK, Dong Hwan KIM, Seung Woo SUNG, Min Kyu WOO, Min Ku LEE, Seong Jun LEE, Sang Jin PAK, Sang Hyun JUN
  • Publication number: 20200312923
    Abstract: An embodiment of the present invention provides a display device including: a substrate including a display area in which an image is displayed and a non-display area disposed outside the display area; a pad portion disposed in the non-display area on the substrate and including a plurality of pads spaced apart by a predetermined distance; and a flexible printed circuit board bonded to the pad portion, wherein the flexible printed circuit board may include a plurality of leads, each of the plurality of pads may be bonded to each of the plurality of leads, each of the plurality of pads may include a contact pad electrode that contacts each of the plurality of leads, and the contact pad electrode may include a dummy electrode surrounding an edge of a lower surface of each of the plurality of leads.
    Type: Application
    Filed: January 9, 2020
    Publication date: October 1, 2020
    Inventors: HWA-JEONG KIM, Young Kuk Kim
  • Patent number: 10732775
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
  • Publication number: 20200150800
    Abstract: A display device includes: a display panel including a display region and a non-display region; and an input sensing layer disposed on the display panel, the input sensing layer including: a first sensing electrode including a first sub-electrode and a second sub-electrode at least partially overlapping in a plan view; and a first sensing wire electrically connected to the first sensing electrode, wherein the first sub-electrode has a mesh shape, and the second sub-electrode is a transparent electrode.
    Type: Application
    Filed: January 16, 2020
    Publication date: May 14, 2020
    Inventors: Nayun KWAK, Hwa-Jeong KIM, Sanghyun JUN
  • Publication number: 20200033993
    Abstract: Provided is a display device including a display panel and an input sensing unit. The input sensing unit includes at least one insulation layer, an electrode, and an auxiliary electrode. The electrode includes sensor parts including a metal and having a mesh shape and connection parts connecting adjacent sensor parts of the sensor parts to each other. The auxiliary electrode overlaps the sensor parts, is connected to the sensor parts, and includes transparent conductive oxide.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Inventors: Hwa-Jeong KIM, Nayun KWAK, Sanghyun JUN, Changyong JUNG
  • Patent number: 10540049
    Abstract: A display device, includes: a display panel including a display region defined therein; and an input sensing layer disposed on the display panel, including: a first sensing electrode including a first sub-electrode and a second sub-electrode disposed on the first sub-electrode; a second sensing electrode spaced apart from the first sensing electrode in a first direction, including a third sub-electrode and a fourth sub-electrode disposed on the third sub-electrode; a first sensing wire electrically connected to the first sensing electrode; and a second sensing wire electrically connected to the second sensing electrode, wherein a width of the first sub-electrode in a second direction intersecting with the first direction is greater than a width of the third sub-electrode in the second direction, and wherein a width of the second sub-electrode in the second direction is smaller than a width of the fourth sub-electrode in the second direction.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: January 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nayun Kwak, Hwa-Jeong Kim, Sanghyun Jun
  • Publication number: 20190384430
    Abstract: A display device, includes: a display panel including a display region defined therein; and an input sensing layer disposed on the display panel, including: a first sensing electrode including a first sub-electrode and a second sub-electrode disposed on the first sub-electrode; a second sensing electrode spaced apart from the first sensing electrode in a first direction, including a third sub-electrode and a fourth sub-electrode disposed on the third sub-electrode; a first sensing wire electrically connected to the first sensing electrode; and a second sensing wire electrically connected to the second sensing electrode, wherein a width of the first sub-electrode in a second direction intersecting with the first direction is greater than a width of the third sub-electrode in the second direction, and wherein a width of the second sub-electrode in the second direction is smaller than a width of the fourth sub-electrode in the second direction.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Inventors: Nayun KWAK, Hwa-Jeong KIM, Sanghyun JUN
  • Patent number: 10474295
    Abstract: Provided is a display device including a display panel and an input sensing unit. The input sensing unit includes at least one insulation layer, an electrode, and an auxiliary electrode. The electrode includes sensor parts including a metal and having a mesh shape and connection parts connecting adjacent sensor parts of the sensor parts to each other. The auxiliary electrode overlaps the sensor parts, is connected to the sensor parts, and includes transparent conductive oxide.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa-Jeong Kim, Nayun Kwak, Sanghyun Jun, Changyong Jung
  • Patent number: 10430010
    Abstract: A input sensing layer, including: a base layer; sensing electrodes disposed on the base layer, the sensing electrodes arranged in a first direction and in a second direction intersecting the first direction; and sensing wires electrically connected to the sensing electrodes, wherein each of the sensing electrodes includes a first sub sensing electrode and a second sub sensing electrode electrically connected to the first sub sensing electrode, the second sub sensing electrode overlapping the first sub sensing electrode on a plane, and wherein an area of the first sub sensing electrode is different from an area of the second sub sensing electrode.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: October 1, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nayun Kwak, Hwa-Jeong Kim, Sanghyun Jun
  • Publication number: 20190235664
    Abstract: A input sensing layer, including: a base layer; sensing electrodes disposed on the base layer, the sensing electrodes arranged in a first direction and in a second direction intersecting the first direction; and sensing wires electrically connected to the sensing electrodes, wherein each of the sensing electrodes includes a first sub sensing electrode and a second sub sensing electrode electrically connected to the first sub sensing electrode, the second sub sensing electrode overlapping the first sub sensing electrode on a plane, and wherein an area of the first sub sensing electrode is different from an area of the second sub sensing electrode.
    Type: Application
    Filed: April 4, 2019
    Publication date: August 1, 2019
    Inventors: Nayun Kwak, Hwa-Jeong Kim, Sanghyun Jun
  • Patent number: 10275106
    Abstract: A display device may include: a substrate including a display region and a non-display region; a circuit layer provided on the substrate; a device layer provided on the display region; an encapsulation layer provided to cover the device layer; and a touch layer provided on the encapsulation layer, including: touch patterns; an insulating layer; and touch electrodes provided on the touch patterns, wherein the touch electrodes are electrically connected to the touch patterns, respectively, through contact holes, each of the touch patterns including first sub-patterns extending in a first direction and second sub-patterns extending from the first sub-patterns in a second direction crossing the first direction, and when viewed in a plan view, areas of the touch electrodes gradually decreasing in the first direction, and areas of the second sub-patterns gradually increasing in the first direction.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nayun Kwak, Hwa-Jeong Kim, Sanghyun Jun
  • Publication number: 20180373360
    Abstract: A display device may include: a substrate including a display region and a non-display region; a circuit layer provided on the substrate; a device layer provided on the display region; an encapsulation layer provided to cover the device layer; and a touch layer provided on the encapsulation layer, including: touch patterns; an insulating layer; and touch electrodes provided on the touch patterns, wherein the touch electrodes are electrically connected to the touch patterns, respectively, through contact holes, each of the touch patterns including first sub-patterns extending in a first direction and second sub-patterns extending from the first sub-patterns in a second direction crossing the first direction, and when viewed in a plan view, areas of the touch electrodes gradually decreasing in the first direction, and areas of the second sub-patterns gradually increasing in the first direction.
    Type: Application
    Filed: March 1, 2018
    Publication date: December 27, 2018
    Inventors: Nayun KWAK, Hwa-Jeong KIM, Sanghyun JUN
  • Publication number: 20180284926
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
  • Patent number: 10090369
    Abstract: An organic light emitting diode display including a first connection line connected to an organic light emitting diode; a repair line intersecting the first connection line, the repair line being insulated from the first connection line; and a first welding part that is integrally formed with the first connection line or the repair line, the first welding part being aligned with an intersecting portion of the repair line and the first connecting line, and having a closed loop shape in plan view.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: October 2, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwa-Jeong Kim, Chi Wook An
  • Publication number: 20180129352
    Abstract: Provided is a display device including a display panel and an input sensing unit. The input sensing unit includes at least one insulation layer, an electrode, and an auxiliary electrode. The electrode includes sensor parts including a metal and having a mesh shape and connection parts connecting adjacent sensor parts of the sensor parts to each other. The auxiliary electrode overlaps the sensor parts, is connected to the sensor parts, and includes transparent conductive oxide.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 10, 2018
    Inventors: Hwa-Jeong KIM, Nayun KWAK, Sanghyun JUN, Changyong JUNG
  • Patent number: 9523876
    Abstract: A display device and a manufacturing method thereof. The display device includes a substrate including at least one plastic layer; and a display layer on the substrate and including a plurality of signal lines and a plurality of pixels. The substrate includes at least one antistatic layer.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: December 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hwa-Jeong Kim
  • Publication number: 20160155791
    Abstract: An organic light emitting diode display including a first connection line connected to an organic light emitting diode; a repair line intersecting the first connection line, the repair line being insulated from the first connection line; and a first welding part that is integrally formed with the first connection line or the repair line, the first welding part being aligned with an intersecting portion of the repair line and the first connecting line, and having a closed loop shape in plan view.
    Type: Application
    Filed: November 18, 2015
    Publication date: June 2, 2016
    Inventors: Hwa-Jeong KIM, Chi Wook AN
  • Publication number: 20150270323
    Abstract: A display apparatus includes a first conductive portion and a second conductive portion that are connected to each other via a contact hole which is formed through an insulation layer disposed between the first and second conductive portions. The display apparatus further includes a shield layer that covers at least one edge of the first conductive portion.
    Type: Application
    Filed: June 13, 2014
    Publication date: September 24, 2015
    Inventors: Seung-Yeon Cho, Hwa-Jeong Kim
  • Patent number: 9012076
    Abstract: Disclosed herein is an organic radical polyimide, represented by Formula 1 below: The organic radical polyimide can be applied to a cathode, an anode or the like, and can be widely applied to an organic solar cell, an organic transistor, organic memory or the like. Further, the organic radical polyimide can be used to manufacture a secondary battery having high energy density because it has high radical density. Further, the organic radical polyimide can be formed into an ultrathin film such as a polymer film and can be used to manufacture a flexible next-generation battery because it does not include metal components and causes a stable oxidation-reduction reaction.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: April 21, 2015
    Assignee: Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Young Kyoo Kim, Hye Na Lee, Hwa Jeong Kim