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).

  • Patent number: 11940845
    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: Grant
    Filed: April 10, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Hwa Jeong Kim, Yong Hwan Park, Yong Je Jeon, Won Suk Choi
  • Patent number: 11803278
    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: October 11, 2022
    Date of Patent: October 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa-Jeong Kim, Nayun Kwak, Sanghyun Jun, Changyong Jung
  • Publication number: 20230273643
    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: April 10, 2023
    Publication date: August 31, 2023
    Inventors: Ki Ho BANG, Hwa Jeong KIM, Yong Hwan PARK, Yong Je JEON, Won Suk CHOI
  • Publication number: 20230266853
    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: May 1, 2023
    Publication date: August 24, 2023
    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: 11675466
    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: September 30, 2021
    Date of Patent: June 13, 2023
    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
  • Patent number: 11672158
    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: Grant
    Filed: January 9, 2020
    Date of Patent: June 6, 2023
    Inventors: Hwa-Jeong Kim, Young Kuk Kim
  • Patent number: 11625069
    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: Grant
    Filed: March 16, 2020
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Ho Bang, Hwa Jeong Kim, Yong Hwan Park, Yong Je Jeon, Won Suk Choi
  • Publication number: 20230031525
    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 11, 2022
    Publication date: February 2, 2023
    Inventors: Hwa-Jeong KIM, Nayun KWAK, Sanghyun JUN, Changyong JUNG
  • Patent number: 11487392
    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: May 6, 2021
    Date of Patent: November 1, 2022
    Inventors: Hwa-Jeong Kim, Nayun Kwak, Sanghyun Jun, Changyong Jung
  • Patent number: 11302769
    Abstract: A display device includes an active area including pixels arranged in a matrix shape, a non-active area disposed at one side of the active area in a first direction and including a pad unit, non-active fanout wirings disposed in the non-active area and connected to the pad unit, signal wirings extending in the first direction to traverse the active area and connected to the pixels, and connection wirings, each at least partially passing through the active area and connecting some of the non-active fanout wirings and some of the signal wirings. Each of the connection wirings include first and third extension portion extending in the first direction, and a second extension portion extending in a second direction, and at least two of the pixels are disposed between corresponding extension portions of two adjacent connection wirings along a direction in which the corresponding extension portions are spaced apart from each other.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: April 12, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Won Kim, Hwa Jeong Kim, Ki Ho Bang, Dong Hyun Son
  • Publication number: 20220019317
    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: September 30, 2021
    Publication date: January 20, 2022
    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: 11205390
    Abstract: A display device includes: an active region including pixels that receive data signals from data lines, the pixels being arranged in a matrix formation; a non-active region adjacent to the active region in a first direction and including a pad portion, the non-active fan-out wirings being in the non-active region and connected to the pad portion; signal wirings extending in the first direction, crossing the active region, and being connected to the pixels; and connection wirings at least partially passing through the active region and connecting some of the non-active fan-out wirings to some of the signal wirings, respectively. The non-active fan-out wirings include first non-active fan-out wirings made of a first conductive layer, and second non-active fan-out wirings made of a second conductive layer different from the first conductive layer. The first and second non-active fan-out wirings being alternately arranged along a second direction intersecting the first direction.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: December 21, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hwa Jeong Kim
  • Patent number: 11163412
    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: June 29, 2020
    Date of Patent: November 2, 2021
    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: 20210278928
    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: May 6, 2021
    Publication date: September 9, 2021
    Inventors: Hwa-Jeong KIM, Nayun KWAK, Sanghyun JUN, Changyong JUNG
  • Publication number: 20210257435
    Abstract: A display device includes an active area including pixels arranged in a matrix shape, a non-active area disposed at one side of the active area in a first direction and including a pad unit, non-active fanout wirings disposed in the non-active area and connected to the pad unit, signal wirings extending in the first direction to traverse the active area and connected to the pixels, and connection wirings, each at least partially passing through the active area and connecting some of the non-active fanout wirings and some of the signal wirings. Each of the connection wirings include first and third extension portion extending in the first direction, and a second extension portion extending in a second direction, and at least two of the pixels are disposed between corresponding extension portions of two adjacent connection wirings along a direction in which the corresponding extension portions are spaced apart from each other.
    Type: Application
    Filed: August 20, 2020
    Publication date: August 19, 2021
    Inventors: Dong Won KIM, Hwa Jeong KIM, Ki Ho BANG, Dong Hyun SON
  • Patent number: 11003292
    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: October 7, 2019
    Date of Patent: May 11, 2021
    Inventors: Hwa-Jeong Kim, Nayun Kwak, Sanghyun Jun, Changyong Jung
  • Publication number: 20210027717
    Abstract: A display device includes: an active region including pixels that receive data signals from data lines, the pixels being arranged in a matrix formation; a non-active region adjacent to the active region in a first direction and including a pad portion, the non-active fan-out wirings being in the non-active region and connected to the pad portion; signal wirings extending in the first direction, crossing the active region, and being connected to the pixels; and connection wirings at least partially passing through the active region and connecting some of the non-active fan-out wirings to some of the signal wirings, respectively. The non-active fan-out wirings include first non-active fan-out wirings made of a first conductive layer, and second non-active fan-out wirings made of a second conductive layer different from the first conductive layer. The first and second non-active fan-out wirings being alternately arranged along a second direction intersecting the first direction.
    Type: Application
    Filed: April 6, 2020
    Publication date: January 28, 2021
    Inventor: Hwa Jeong KIM
  • Patent number: 10895941
    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: Grant
    Filed: January 16, 2020
    Date of Patent: January 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nayun Kwak, Hwa-Jeong Kim, Sanghyun Jun
  • 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