Patents by Inventor Seung-Rok Lee

Seung-Rok Lee 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: 20250022402
    Abstract: A driving circuit includes: a display driver configured to generate a vertical synchronization signal; and a sensor driver configured to determine a driving frequency by using the vertical synchronization signal, wherein a pulse polarity of the vertical synchronization signal is inverted when the driving frequency is changed.
    Type: Application
    Filed: March 25, 2024
    Publication date: January 16, 2025
    Inventors: Il Ho LEE, Ye Rin OH, Seung Rok LEE, Wan Kee JUN, Hyeon Seo CHO
  • Patent number: 12189893
    Abstract: A touch test device for a display device, includes a loading unit receiving a display device. The display device includes a touch sensing unit having driving electrodes and sensing electrodes. A touch driving circuit driving the driving electrodes and the sensing electrodes and detecting touch signal data for the driving electrodes, sensing signal data for the sensing electrodes, and touch data of touch nodes positioned at intersections between the driving electrodes and the sensing electrodes. A test processing circuit calculates parameter values inversely proportional to resistance deviations of the driving electrodes and the sensing electrodes, performs an arithmetic operation on the parameter values and the touch data of the touch nodes to provide corrected touch data, and detects defects in the driving electrodes and the sensing electrodes according to a result of comparing and analyzing the corrected touch data.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Rok Lee, Jin Woo Park, Tae Joon Kim, Jung Mok Park, Il Ho Lee
  • Publication number: 20240411405
    Abstract: An inspection method including: determining first test correction capacitances using mutual capacitances of a first test boundary line channel of a test panel and a candidate coefficient; determining second test correction capacitances using mutual capacitances of a second test boundary line channel of the test panel and the candidate coefficient; determining test channel gaps of the first test boundary line channel using the first and second test correction capacitances; determining reference channel gaps based on mutual capacitances of a test non-boundary line channel; determining the candidate coefficient as a correction coefficient based on the reference and test channel gaps; determining first correction capacitances of a first boundary line channel of the touch panel; determining second correction capacitances of the second boundary line channel of the touch panel; determining channel gaps of the first boundary line channel using the first and second correction capacitances; and inspecting the first bou
    Type: Application
    Filed: March 6, 2024
    Publication date: December 12, 2024
    Inventor: Seung Rok LEE
  • Publication number: 20240241600
    Abstract: A touch test device for a display device, includes a loading unit receiving a display device. The display device includes a touch sensing unit having driving electrodes and sensing electrodes. A touch driving circuit driving the driving electrodes and the sensing electrodes and detecting touch signal data for the driving electrodes, sensing signal data for the sensing electrodes, and touch data of touch nodes positioned at intersections between the driving electrodes and the sensing electrodes. A test processing circuit calculates parameter values inversely proportional to resistance deviations of the driving electrodes and the sensing electrodes, performs an arithmetic operation on the parameter values and the touch data of the touch nodes to provide corrected touch data, and detects defects in the driving electrodes and the sensing electrodes according to a result of comparing and analyzing the corrected touch data.
    Type: Application
    Filed: August 29, 2023
    Publication date: July 18, 2024
    Inventors: Seung Rok LEE, Jin Woo PARK, Tae Joon KIM, Jung Mok PARK, II Ho LEE
  • Publication number: 20230060853
    Abstract: A method for scheming a model for detecting SSH communication according to an embodiment includes collecting a training dataset including a plurality of network session logs from a web proxy, generating a plurality of preprocessed log information based on a plurality of original datasets included in each of the plurality of network session logs, training, in a first algorithm-based first initial model and a second algorithm-based second initial model for detecting a log corresponding to SSH communication from network session logs, the first initial model and the second initial model based on the plurality of preprocessed log information, and using a new dataset as input to the trained first initial model and the trained second initial model and scheming a final model based on a detection result of the trained first initial model and a detection result of the trained second initial model.
    Type: Application
    Filed: June 10, 2022
    Publication date: March 2, 2023
    Inventors: Jun-Won LEE, Min-Jae KIM, Seung-Rok LEE
  • Patent number: 11217631
    Abstract: A display device according to an embodiment of the present disclosure includes: a first pixel and a second pixel successively arranged along a first direction and configured to emit light of different colors, a first color filter disposed on the first pixel, and a second color filter disposed on the second pixel so as to be adjacent to the first color filter. The second color filter is expanded in a direction toward the first pixel at a boundary between the first pixel and the second pixel.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: January 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung Rok Lee
  • Patent number: 10895940
    Abstract: A touch panel includes a base substrate, a first pattern, a first insulation layer, a second pattern, and a second insulation layer. The first pattern is disposed on the base substrate. The first pattern includes a driving line extended in a second direction that crosses a first direction and first sensing electrodes that are electrically connected to the driving line and arranged in the second direction. The first insulation layer is disposed on the first pattern and the base substrate covering the first pattern. The second pattern is disposed on the first insulation layer. The second pattern includes a sensing line extended in the first direction and second sensing electrodes that are electrically connected to the sensing line and arranged in the first direction. The second insulation layer is disposed on the second pattern and the first insulation layer covering the second pattern.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: January 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung-Rok Lee
  • Publication number: 20190332204
    Abstract: A touch panel includes a base substrate, a first pattern, a first insulation layer, a second pattern, and a second insulation layer. The first pattern is disposed on the base substrate. The first pattern includes a driving line extended in a second direction that crosses a first direction and first sensing electrodes that are electrically connected to the driving line and arranged in the second direction. The first insulation layer is disposed on the first pattern and the base substrate covering the first pattern. The second pattern is disposed on the first insulation layer. The second pattern includes a sensing line extended in the first direction and second sensing electrodes that are electrically connected to the sensing line and arranged in the first direction. The second insulation layer is disposed on the second pattern and the first insulation layer covering the second pattern.
    Type: Application
    Filed: July 5, 2019
    Publication date: October 31, 2019
    Inventor: Seung-Rok LEE
  • Patent number: 10386972
    Abstract: A touch panel includes a base substrate, a first pattern, a first insulation layer, a second pattern, and a second insulation layer. The first pattern is disposed on the base substrate. The first pattern includes a driving line extended in a second direction that crosses a first direction and first sensing electrodes that are electrically connected to the driving line and arranged in the second direction. The first insulation layer is disposed on the first pattern and the base substrate covering the first pattern. The second pattern is disposed on the first insulation layer. The second pattern includes a sensing line extended in the first direction and second sensing electrodes that are electrically connected to the sensing line and arranged in the first direction. The second insulation layer is disposed on the second pattern and the first insulation layer covering the second pattern.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung-Rok Lee
  • Publication number: 20190252470
    Abstract: A display device according to an embodiment of the present disclosure includes: a first pixel and a second pixel successively arranged along a first direction and configured to emit light of different colors, a first color filter disposed on the first pixel, and a second color filter disposed on the second pixel so as to be adjacent to the first color filter. The second color filter is expanded in a direction toward the first pixel at a boundary between the first pixel and the second pixel.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 15, 2019
    Inventor: Seung Rok LEE
  • Patent number: 9870108
    Abstract: A display device that includes a display panel to display an image; a touch panel on the display panel; a spacer layer between the display panel and the touch panel; and a window attached onto the touch panel, wherein the display panel and the touch panel are relatively movable.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: January 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Hyun Baek, Yoon Jee Shin, Seung Rok Lee
  • Publication number: 20170160830
    Abstract: A touch panel includes a base substrate, a first pattern, a first insulation layer, a second pattern, and a second insulation layer. The first pattern is disposed on the base substrate. The first pattern includes a driving line extended in a second direction that crosses a first direction and first sensing electrodes that are electrically connected to the driving line and arranged in the second direction. The first insulation layer is disposed on the first pattern and the base substrate covering the first pattern. The second pattern is disposed on the first insulation layer. The second pattern includes a sensing line extended in the first direction and second sensing electrodes that are electrically connected to the sensing line and arranged in the first direction. The second insulation layer is disposed on the second pattern and the first insulation layer covering the second pattern.
    Type: Application
    Filed: March 28, 2016
    Publication date: June 8, 2017
    Inventor: Seung-Rok LEE
  • Patent number: 9558690
    Abstract: An electronic device includes a display panel including a plurality of sub-pixels, a distance sensor which senses a viewing distance between the display panel and a user, and a control unit which compares the viewing distance with a first critical distance and controls the display panel based on a result of comparison between the viewing distance and the first critical distance, where when the viewing distance is less than the first critical distance, the control unit controls the display panel such that all of the sub-pixels are activated and the display panel displays an image at a basic resolution, and when the viewing distance is greater than the first critical distance, the control unit controls the display panel such that a first number of sub-pixels are inactivated and the display panel displays an image at a first resolution lower than the basic resolution.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Rok Lee, Yoon-Jee Shin
  • Publication number: 20160231837
    Abstract: A display device including a display panel to display an image; a touch panel on the display panel; a spacer layer between the display panel and the touch panel; and a window attached onto the touch panel, wherein the display panel and the touch panel are relatively movable.
    Type: Application
    Filed: August 27, 2015
    Publication date: August 11, 2016
    Inventors: Kyung Hyun BAEK, Yoon Jee SHIN, Seung Rok LEE
  • Publication number: 20160224149
    Abstract: A touch sensor includes a plurality of touch electrodes on a touch area to sense touch, each of the touch electrodes having a plurality of branch electrodes parallel to each other in a first direction, and connection lines on the touch area and connected to the touch electrodes, the connection lines extending in the first direction in parallel to the branch electrodes, wherein a width of the connection line and a width of the branch electrode are equal to each other.
    Type: Application
    Filed: September 18, 2015
    Publication date: August 4, 2016
    Inventors: Ki Nyeng KANG, Jong Hyun CHOI, Sang Jo LEE, Ji Won HAN, Jung-Moo HONG, Seung Peom NOH, Seung Rok LEE
  • Publication number: 20160209974
    Abstract: Provided is a display device including: a display panel including a plurality of touch sensors; a sensing signal processor configured to generate a sensing signal including whether the plurality of touch sensors are touched and a touch time; and a signal controller configured to sequentially sensing a first touch starting timing, a first touch ending timing, a second touch starting timing, and a second touch ending timing based on the sensing signal and configured to measure a first touch discontinuous period between the first touch ending timing and the second touch starting timing to recognize a touch, wherein the signal controller is configured to recognize a touch from the first touch starting timing to the second touch ending timing as a continued touch when the first touch discontinuous period is equal to or less than a predetermined first threshold time.
    Type: Application
    Filed: July 8, 2015
    Publication date: July 21, 2016
    Inventors: Kyung Hyun BAEK, Yoon Jee SHIN, Seung Rok LEE
  • Publication number: 20160195970
    Abstract: A touch screen panel includes a substrate including a touch active area and a touch non-active area, the touch non-active area being defined at an outer portion of the touch active area, lines located in the touch non-active area of the substrate, each of the lines including a metal layer including a nano structure and a transparent conductive oxide layer on the metal layer, a passivation layer covering parts of the lines such that distal ends of the lines are exposed, and pads electrically connected with the distal ends of the lines.
    Type: Application
    Filed: August 25, 2015
    Publication date: July 7, 2016
    Inventors: Jong-Hyun CHOI, Seung-Rok LEE
  • Publication number: 20150248210
    Abstract: An electronic device includes a display panel including a plurality of sub-pixels, a distance sensor which senses a viewing distance between the display panel and a user, and a control unit which compares the viewing distance with a first critical distance and controls the display panel based on a result of comparison between the viewing distance and the first critical distance, where when the viewing distance is less than the first critical distance, the control unit controls the display panel such that all of the sub-pixels are activated and the display panel displays an image at a basic resolution, and when the viewing distance is greater than the first critical distance, the control unit controls the display panel such that a first number of sub-pixels are inactivated and the display panel displays an image at a first resolution lower than the basic resolution.
    Type: Application
    Filed: July 29, 2014
    Publication date: September 3, 2015
    Inventors: Seung-Rok LEE, Yoon-Jee SHIN
  • Publication number: 20150141074
    Abstract: A foldable calling device includes a body which is foldable; a speaker at a first side of the body, in an unfolded state of the body; a first microphone at the first side of the body, in the unfolded state of the body; and a second microphone at a second side of the body opposite to the first side, in the unfolded state of the body.
    Type: Application
    Filed: March 3, 2014
    Publication date: May 21, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jin-Bo Shim, Yoon-Jee Shin, Seung-Rok Lee, Won-Suk Choi
  • Patent number: D875096
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: February 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung Rok Lee