Patents by Inventor Jun-Ho Hwang

Jun-Ho Hwang 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: 20250107000
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Inventors: Jun HO HWANG, Jang Mi LEE
  • Publication number: 20250095525
    Abstract: In a method of determining a gate voltage of a display device, gamma reference voltages including a black data voltage are determined by performing a multi-time programming (MTP) operation on the display device, copy mura pattern data are provided to the display device, a luminance curve of the gate voltage is obtained by measuring luminance of the display device while gradually changing the gate voltage, a peak gate voltage is determined corresponding to a peak point of the luminance curve, and a final gate voltage is determined based on the black data voltage and the peak gate voltage.
    Type: Application
    Filed: April 23, 2024
    Publication date: March 20, 2025
    Inventors: JUN-HO HWANG, HYUNGJUN AN
  • Publication number: 20250006099
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Application
    Filed: September 9, 2024
    Publication date: January 2, 2025
    Inventors: Si Beak PYO, Seung Kyu LEE, Choon Yul OH, Jun Ho HWANG
  • Patent number: 12167538
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Ho Hwang, Jang Mi Lee
  • Patent number: 12087203
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Grant
    Filed: October 20, 2023
    Date of Patent: September 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Beak Pyo, Seung Kyu Lee, Choon Yul Oh, Jun Ho Hwang
  • Publication number: 20240098900
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Application
    Filed: April 26, 2023
    Publication date: March 21, 2024
    Inventors: Jun HO HWANG, Jang Mi LEE
  • Publication number: 20240046839
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Inventors: Si Beak PYO, Seung Kyu LEE, Choon Yul OH, Jun Ho HWANG
  • Patent number: 11798454
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Beak Pyo, Seung Kyu Lee, Choon Yul Oh, Jun Ho Hwang
  • Patent number: 11653449
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Ho Hwang, Jang Mi Lee
  • Publication number: 20230007774
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 5, 2023
    Inventors: Jun HO HWANG, Jang Mi Lee
  • Publication number: 20220408882
    Abstract: A shoe tree for being inserted into a shoe, such as a dress shoe or casual shoe, has a frame designed to keep the shape of the shoe and remove the moisture inside.
    Type: Application
    Filed: June 28, 2022
    Publication date: December 29, 2022
    Applicant: Haruen Life Co., Ltd.
    Inventor: Jun Ho HWANG
  • Patent number: 11452207
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: September 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Hwang, Jang-Mi Lee
  • Publication number: 20220238058
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Si Beak PYO, Seung Kyu LEE, Choon Yul OH, Jun Ho HWANG
  • Patent number: 11302238
    Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: April 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Beak Pyo, Seung Kyu Lee, Choon Yul Oh, Jun Ho Hwang
  • Publication number: 20210331010
    Abstract: Disclosed is a pipe-type fire extinguishing equipment for extinguishing a fire inside a ship transport container, including: an agent storage part installed inside the container and storing a fire extinguishing agent for extinguishing a fire; a supply pipe installed on an upper portion inside the container and connected to the agent storage part to receive and guide the fire extinguishing agent; spray holes communicating with the supply pipe and spraying the fire extinguishing agent, which flows through the supply pipe, to the inside of the container; opening/closing members which keep the spray holes closed and open the spray holes upon being melted by heat when a fire occurs; and an alarm sound generation unit connected to the supply pipe and generating an alarm sound by means of the fire extinguishing agent which is supplied to the supply pipe when the fire extinguishing agent is sprayed through the spray holes.
    Type: Application
    Filed: October 4, 2019
    Publication date: October 28, 2021
    Inventors: Jun-Ho HWANG, Sang-Dong KIM, Jeomkee PAIK, Yong Hwan DO
  • Publication number: 20210219429
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: Jun-Ho HWANG, Jang-Mi LEE
  • Patent number: 11062647
    Abstract: A display device including a display panel and a data modulator. The display panel includes a main display region, an auxiliary display region adjacent to the main display region in a first direction, and a notch region adjacent to the auxiliary display region in a second direction crossing the first direction, an image not being displayed in the notch region. The data modulator modulates a notch data corresponding to the notch region among an image data.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: July 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Hwang, Yun Ki Baek
  • Patent number: 10994334
    Abstract: The present invention relates to ear-of-rice-shaped copper particles. The technical gist thereof is a method of manufacturing ear-of-rice-shaped copper particles, ear-of-rice-shaped copper particles manufactured thereby, and a conductive paste using the same. The method includes a first step of preparing a copper precursor solution, a second step of adjusting the pH of the copper precursor solution, a third step of adding a zinc powder to the pH-adjusted copper precursor solution, a fourth step of synthesizing the ear-of-rice-shaped copper particles by stirring the copper precursor solution, to which the zinc powder is added, for a predetermined time, and a fifth step of separating, washing, and then drying the synthesized ear-of-rice-shaped copper particles.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: May 4, 2021
    Inventors: Jong-Hyun Lee, Jun Ho Hwang
  • Patent number: 10997909
    Abstract: There is provided a method for setting black data of a display device and a display device employing the same. In the method for setting black data of the display device including a display unit for displaying an image corresponding to data, the method includes: applying data having a test voltage to the display unit; measuring a luminance of a test image displayed in the display unit; and when the measured luminance is a reference luminance or less, setting first black data, based on the test voltage.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: May 4, 2021
    Inventors: Si Beak Pyo, Jun Ho Hwang, Jae Woo Song, Jong Kwang Hwang
  • Patent number: 10980118
    Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. Each of the wirings has a first portion extending in a second direction from a first terminal portion to a first connection part, a second portion extending in a first direction different from the second direction from the first connection part to a second connection part, and a third portion extending in a direction opposite to the second direction from the second connection part to a second terminal portion.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: April 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Ho Hwang, Jang-Mi Lee