Patents by Inventor Hyoung-Wook Jang

Hyoung-Wook Jang 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: 20200012367
    Abstract: A flexible display device and a method of driving a flexible display device, in which the method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring. The driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Young Seok SEO, Won-Ki HONG, Jung Hyun KIM, Hyoung Wook JANG
  • Publication number: 20200012384
    Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.
    Type: Application
    Filed: September 17, 2019
    Publication date: January 9, 2020
    Inventors: Gwang Bum KO, Hyun Jae NA, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
  • Publication number: 20190324576
    Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 24, 2019
    Inventors: Soon Sung AHN, Hyoung Wook JANG, Hyun Jae NA, Mu Gyeom KIM
  • Patent number: 10444917
    Abstract: A flexible display device and a method of driving a flexible display device are provided. The method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring, wherein the driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Seok Seo, Won-Ki Hong, Jung Hyun Kim, Hyoung Wook Jang
  • Patent number: 10444900
    Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: October 15, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gwang Bum Ko, Hyun Jae Na, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han
  • Patent number: 10379684
    Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon Sung Ahn, Hyoung Wook Jang, Hyun Jae Na, Mu Gyeom Kim
  • Patent number: 10285263
    Abstract: A circuit board includes a substrate and conductive patterns disposed inside or on the substrate, in which two neighboring conductive patterns are separated from each other by a gap disposed therebetween, and the conductive pattern includes first cut patterns connected to the gap and disposed toward an inside of the conductive pattern.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Ho Hong, Hye Jin Joo, Won Il Choi, Soon Sung Ahn, Hyoung Wook Jang
  • Publication number: 20190025956
    Abstract: A touch sensor includes a base layer, first touch sensor columns, second touch sensor columns, and sensing lines. The base layer includes a sensing region and a non-sensing region. The first touch sensor columns extend in a first direction. The first touch sensor columns include first touch electrodes. The first touch electrodes include sub-touch electrodes in the sensing region. The second touch sensor columns include second touch electrodes in the sensing region. The second touch sensor columns are alternately arranged with the first touch sensor columns. The sensing lines are in the non-sensing region. The sensing lines include: first sensing lines electrically connected to the sub-touch electrodes, and second sensing lines electrically connected to the second touch electrodes. The sub-touch electrodes and the second touch electrodes have different widths.
    Type: Application
    Filed: May 3, 2018
    Publication date: January 24, 2019
    Inventors: Soo Jung LEE, Hyoung Wook Jang, Gwang Bum Ko, Jeong Yun Han
  • Publication number: 20180239465
    Abstract: A touch screen panel includes a plurality of pixels on a substrate, a sealing thin film on the substrate, and a plurality of sensing electrodes on the sealing thin film, each of the sensing electrodes having a mesh structure, the mesh structures of the sensing electrodes and the pixels overlapping different portions of the substrate.
    Type: Application
    Filed: April 20, 2018
    Publication date: August 23, 2018
    Inventor: Hyoung-Wook JANG
  • Publication number: 20180164925
    Abstract: A display device includes: a plurality of first electrode patterns; a plurality of second electrode patterns; a plurality of first touch signal lines; and a plurality of second touch signal lines. The plurality of first electrode patterns respectively include a plurality of first electrode cells physically separated from each other and arranged in a first direction. The plurality of second electrode patterns include a plurality of second electrode cells physically separated from each other and arranged in a second direction crossing the first direction. The plurality of first touch signal lines are connected to the first electrode cells. The plurality of second touch signal lines are connected to the second electrode cells. The first and second electrode patterns and the first and second touch signal lines are all positioned at the same layer on a substrate. The first touch signal lines are independently connected to each first electrode cell.
    Type: Application
    Filed: February 12, 2018
    Publication date: June 14, 2018
    Inventors: Hyoung Wook JANG, Hyun Jae NA, Jin Woo NOH, Soon Sung AHN
  • Patent number: 9977559
    Abstract: Provided herein is a display device including a display unit for displaying an image, the display unit including light emitting regions; a touch sensor arranged on a rear surface of the display unit; and a coil unit arranged on a front surface of the display unit, and including a plurality of auxiliary coils.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG DISPLAY, CO., LTD.
    Inventors: Soon Sung Ahn, Hyoung Wook Jang
  • Patent number: 9952729
    Abstract: A touch screen panel includes a plurality of pixels on a substrate, a sealing thin film on the substrate, and a plurality of sensing electrodes on the sealing thin film, each of the sensing electrodes having a mesh structure, the mesh structures of the sensing electrodes and the pixels overlapping different portions of the substrate.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: April 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyoung-Wook Jang
  • Patent number: 9946416
    Abstract: Disclosed is a touch sensor device, including: a plurality of first sensing electrodes which includes a plurality of first linear electrodes extending in a first direction and a first connection electrode connecting the plurality of first linear electrodes to each other; and a plurality of second sensing electrodes which includes a plurality of second linear electrodes extending in a second direction perpendicular to the first direction and a second connection electrode connecting the plurality of second linear electrodes to each other, in which a disposition density of the plurality of first linear electrodes included in one first sensing electrode is gradually decreased from a center of the first sensing electrode to an outer side of the first sensing electrode.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon Sung Ahn, Hyoung Wook Jang, Seung Heui Jeong, Joo Hyung Lee
  • Publication number: 20180059822
    Abstract: A flexible display device and a method of driving a flexible display device are provided. The method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring, wherein the driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.
    Type: Application
    Filed: July 31, 2017
    Publication date: March 1, 2018
    Inventors: Young Seok SEO, Won-Ki HONG, Jung Hyun KIM, Hyoung Wook JANG
  • Patent number: 9904396
    Abstract: A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyoung-Wook Jang
  • Patent number: 9898146
    Abstract: A display device includes: a plurality of first electrode patterns; a plurality of second electrode patterns; a plurality of first touch signal lines; and a plurality of second touch signal lines. The plurality of first electrode patterns respectively include a plurality of first electrode cells physically separated from each other and arranged in a first direction. The plurality of second electrode patterns include a plurality of second electrode cells physically separated from each other and arranged in a second direction crossing the first direction. The plurality of first touch signal lines are connected to the first electrode cells. The plurality of second touch signal lines are connected to the second electrode cells. The first and second electrode patterns and the first and second touch signal lines are all positioned at the same layer on a substrate. The first touch signal lines are independently connected to each first electrode cell.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: February 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung Wook Jang, Hyun Jae Na, Jin Woo Noh, Soon Sung Ahn
  • Patent number: 9886144
    Abstract: A capacitive type touch sensor, includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to overlap the driving electrodes, the sensing electrodes and the driving electrodes being spaced apart from each other, a driving unit configured to supply driving signals to the respective driving electrodes, and a sensing unit configured to detect sensing signals from the sensing electrodes, wherein the driving signals supplied by the driving unit include at least one of a first driving signal having a first frequency and a second driving signal having a second frequency different from the first frequency.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung-Wook Jang, Soon-Sung Ahn, Ja-seung Ku
  • Publication number: 20180011598
    Abstract: A touch sensor includes driving electrodes, sensing electrodes, a memory, and a driver. The sensing electrodes are insulated from and cross the driving electrodes. The memory includes signal width information. The driver is configured to: determine signal widths to generate driving signals based on the signal width information; and supply the driving signals to the driving electrodes.
    Type: Application
    Filed: March 14, 2017
    Publication date: January 11, 2018
    Inventors: Ja Seung KU, Yun Ho KIM, Hyoung Wook JANG, Kwan Ho KIM
  • Patent number: 9846497
    Abstract: A stylus includes a pressure detector for detecting applied pressure, a first signal generator for generating a signal of a first frequency, a second signal generator for generating a signal of a second frequency, and a controller for adjusting at least one of the first and second signal generators to control an amplitude ratio of the signal of the first frequency to the signal of the second frequency according to the applied pressure detected by the pressure detector.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: December 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang
  • Publication number: 20170344187
    Abstract: A touch sensor includes: a plurality of first sensor electrode columns disposed in a sensing area, the plurality of first sensor electrode columns each including one or more first sensor electrodes; a plurality of second sensor electrode columns alternately disposed with the first sensor electrode columns in the sensing area, the plurality of second sensor electrode columns each including a plurality of second sensor electrodes having a length defined by a longitudinal axis and a width extending in a direction across the length; a plurality of lines connected to the first sensor electrode columns and the second sensor electrode columns; and a pad unit including a plurality of pads connected to the lines, wherein at least some of the second sensor electrodes have a width that varies along the longitudinal axis of its respective second electrodes.
    Type: Application
    Filed: May 23, 2017
    Publication date: November 30, 2017
    Inventors: Gwang Bum KO, Hyun Jae Na, Hyoung Wook Jang, Ye Ri Jeong, Jeong Yun Han