Patents by Inventor Kyung-Man Kim

Kyung-Man 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: 20220378691
    Abstract: Provided is a cosmetic composition comprising a fermented product of Nuruk, and particularly, a cosmetic composition that can promote collagen synthesis in skin fibroblasts, have antioxidant effects and moisturizing effects, and prevent aging, comprising a fermented product of Nuruk obtained by fermenting grain with yeast mold (Aspergillus), as an active ingredient.
    Type: Application
    Filed: April 11, 2022
    Publication date: December 1, 2022
    Inventors: Ji Hye Kim, Hyun Sook Yeom, Hye Ja Lee, Kyung Man Hahm, Jin Oh Park, Kyoung Hee Jang, Dae Hyun Shin, Ho An Kim, A Rang Kim, DaAe Park
  • Patent number: 11514825
    Abstract: A window includes a base layer including a first non-folding region; a second non-folding region; a folding region disposed between the first non-folding region and the second non-folding region in a first direction; and at least one first recessed portion overlapping the folding region and extending in a second direction intersecting the first direction, a first nano pattern layer disposed in the at least one first recessed portion, and including first protrusion patterns; and a first soft portion disposed on the first nano pattern layer.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung-Man Kim, Minsang Koo, Sanghoon Kim, Yuri Kim, Min-Hoon Choi, Seongjin Hwang
  • Patent number: 11514847
    Abstract: A display device includes a display unit, a timing controller, a data driver, and a sensing unit. The display unit includes a data line, a sensing line, and a pixel that includes a light emitting element and a transistor for providing a driving current to the light emitting element. The timing controller generates a first voltage value by compensating a first grayscale value and generates a second voltage value by remapping the first voltage value from a first voltage range to in a second voltage range. The data driver generates a data voltage based on the second voltage value and supplies the data voltage to the data line. The sensing unit provides an initialization voltage to the sensing line. A voltage difference between the data voltage and a threshold voltage of the transistor is greater than or equal to the initialization voltage.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: November 29, 2022
    Inventors: Seok Gyu Ban, Kyung Man Kim, Wook Lee
  • Publication number: 20220372231
    Abstract: The present disclosure relates to a UV- and heat-curable ladder-like polysilsesquioxane copolymer and a method for preparing the same. Since a controlled functionality can be provided only on a desired region via a thiol-ene click reaction without an additional additive, an insulating layer having a low dielectric constant and a microcircuit pattern can be formed without an additional etching process.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 24, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Sang HWANG, Soon Man Hong, Kyung Youl Baek, Chong Min Koo, Albert Lee, Seon Joon Kim, You Mee Choi
  • Patent number: 11508308
    Abstract: A display apparatus includes a display panel, a scan driver, a data driver and a timing controller. The display panel includes a plurality of pixels that are connected to a plurality of data lines and a plurality of scan lines having different lengths. The scan driver apply a plurality of scan signals to the plurality of scan lines. The data driver apply a plurality of data voltages to the plurality of data lines, and receive a plurality of sensing data that represent operating characteristics of all of the plurality of pixels from a plurality of sensing lines. The timing controller controls operations of the scan driver and the data driver, generates output image data considering the operating characteristics of all of the plurality of pixels and supply the output image data to the data drive.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: November 22, 2022
    Inventors: Jae Hoon Shin, Kyung Man Kim
  • Publication number: 20220352929
    Abstract: A distributed antenna system of the present invention implements duplication by a method of configuring a first headend unit and a second headend unit in an active state or in a standby state and connecting a hub unit or a remote unit to the first headend unit and the second headend unit and by a method of connecting, through a redundancy link, a hub unit or remote units of a branch group branched from and connected to each headend unit, activating the redundancy link according to the control of an active headend unit when an error occurs in a frame transmission path, and changing logical port states of a hub unit or remote units that cannot transmit frames due to the error in order to change the frame transmission path so that frame transmission is possible through the activated redundancy link.
    Type: Application
    Filed: July 25, 2019
    Publication date: November 3, 2022
    Applicant: Solid, Inc.
    Inventors: Ho Sik Jang, Hoo Pyo Hong, Hyong Ho Kim, Dong Hee Kwon, Kyung Eun Han, Jin Hwa Ku, Dae Young Kim, Young Man Cho
  • Patent number: 11482181
    Abstract: A display device includes: a display panel including a plurality of pixels; a sensing data memory configured to store sensing data for threshold voltages of driving transistors of the plurality of pixels; a controller configured to determine a total threshold voltage shift amount for the driving transistors of the plurality of pixels based on the sensing data, to determine total luminance data based on input image data, to determine a frame stress based on the total luminance data and the total threshold voltage shift amount, to determine a target compensation voltage level based on the frame stress, and to generate compensated image data by compensating the input image data based on the target compensation voltage level; and a data driver configured to provide data voltages to the plurality of pixels based on the compensated image data.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: October 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo Young An, Kyung Man Kim, Wook Lee
  • Publication number: 20220301463
    Abstract: A window includes a base layer including a first non-folding region; a second non-folding region; a folding region disposed between the first non-folding region and the second non-folding region in a first direction; and at least one first recessed portion overlapping the folding region and extending in a second direction intersecting the first direction, a first nano pattern layer disposed in the at least one first recessed portion, and including first protrusion patterns; and a first soft portion disposed on the first nano pattern layer.
    Type: Application
    Filed: November 18, 2021
    Publication date: September 22, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: KYUNG-MAN KIM, MINSANG KOO, SANGHOON KIM, YURI KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20220256018
    Abstract: An electronic device and a window include a folding part, and a first non-folding part and a second non-folding part spaced apart from each other with the folding part disposed between the first non-folding part and the second non-folding part, wherein the folding part includes a base portion, main protruding portions disposed on the base portion, each of the main protruding portions having a first thickness, and spaced apart from each other, and at least one sub-protruding portion having a second thickness less than the first thickness of each of the main protruding portions and disposed between the main protruding portions on the base portion.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 11, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: KYUNG-MAN KIM, MINSANG KOO, SANGHOON KIM, YURI KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20220238073
    Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: pixels; scan lines extending in a row direction and connected to the pixels; a data lines extending in a column direction and connected to the pixels; a receiving lines extending in the column direction and connected to the pixels; and a compensation circuit portion that generates first sensing data by receiving a current flowing to the pixels through the receiving lines, and generates a compensation value that compensates a characteristic of a driving transistor included in each of the pixels by multiplying the first sensing data by a calibration factor that corresponds to a position of each of the pixels, wherein the calibration factor includes a line calibration factors that correspond to the receiving lines.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Kyung Man KIM, Seok Gyu BAN
  • Publication number: 20220223088
    Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
    Type: Application
    Filed: April 1, 2022
    Publication date: July 14, 2022
    Inventors: Seok Gyu BAN, Kyung Man KIM, Sang Jae YEO
  • Patent number: 11328673
    Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: pixels; scan lines extending in a row direction and connected to the pixels; a data lines extending in a column direction and connected to the pixels; a receiving lines extending in the column direction and connected to the pixels; and a compensation circuit portion that generates first sensing data by receiving a current flowing to the pixels through the receiving lines, and generates a compensation value that compensates a characteristic of a driving transistor included in each of the pixels by multiplying the first sensing data by a calibration factor that corresponds to a position of each of the pixels, wherein the calibration factor includes a line calibration factors that correspond to the receiving lines.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: May 10, 2022
    Inventors: Kyung Man Kim, Seok Gyu Ban
  • Publication number: 20220130942
    Abstract: A method of compensating for degradation of a display device includes sensing a first sensing current flowing through a sensing line connected to a pixel, which includes a programming period for writing a data voltage of a predetermined color to a storage capacitor of the pixel, sensing a sensing voltage of the sensing line, which includes a period for charging a line capacitor connected to the sensing line, estimating a voltage of an anode electrode of an organic light emitting diode using a second sensing current estimated from the first sensing current and the sensing voltage, and determining a degradation compensation value using the voltage of the anode electrode.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 28, 2022
    Inventors: Kyung Man KIM, Seok Gyu BAN, Sang Jae YEO
  • Patent number: 11308837
    Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: April 19, 2022
    Inventors: Seok Gyu Ban, Kyung Man Kim, Sang Jae Yeo
  • Publication number: 20220107448
    Abstract: Provided is a display device including a display panel, and a window member on the display panel, wherein the window member includes a window base material including a flexible portion in which a first area having a first rigidity and a second area having second rigidity that is less than the first rigidity are alternately located, a buffer layer on the window base material and having a refractive index that is smaller than a refractive index of the window base material, and a filler layer on the buffer layer and having a refractive index that is smaller than the refractive index of the buffer layer.
    Type: Application
    Filed: October 4, 2021
    Publication date: April 7, 2022
    Inventors: Sang Hoon KIM, Min Sang KOO, Kyung Man KIM, Yu Ri KIM, Min Hoon CHOI, Seong Jin HWANG
  • Patent number: 11264445
    Abstract: A method of compensating for degradation of a display device includes sensing a first sensing current flowing through a sensing line connected to a pixel, which includes a programming period for writing a data voltage of a predetermined color to a storage capacitor of the pixel, sensing a sensing voltage of the sensing line, which includes a period for charging a line capacitor connected to the sensing line, estimating a voltage of an anode electrode of an organic light emitting diode using a second sensing current estimated from the first sensing current and the sensing voltage, and determining a degradation compensation value using the voltage of the anode electrode.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Man Kim, Seok Gyu Ban, Sang Jae Yeo
  • Publication number: 20220043187
    Abstract: A window includes a window layer that includes a first section, a second section, and a folding section that is disposed between the first section and the second section and is foldable with respect to a folding axis extending in a direction. The folding section includes at least one opening pattern, and in a plan view, a maximum distance between two points on an inner line of the folding section that defines the at least one opening pattern is about 10 micrometers to about 200 micrometers.
    Type: Application
    Filed: April 26, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: MIN-HOON CHOI, MINSANG KOO, KYUNG-MAN KIM, SANGHOON KIM, SEUNGHO KIM, SEONGJIN HWANG
  • Publication number: 20220011813
    Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.
    Type: Application
    Filed: March 12, 2021
    Publication date: January 13, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: SANGHOON KIM, MINSANG KOO, KYUNG-MAN KIM, SEUNGHO KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20210407387
    Abstract: A display device includes a display unit, a timing controller, a data driver, and a sensing unit. The display unit includes a data line, a sensing line, and a pixel that includes a light emitting element and a transistor for providing a driving current to the light emitting element. The timing controller generates a first voltage value by compensating a first grayscale value and generates a second voltage value by remapping the first voltage value from a first voltage range to in a second voltage range. The data driver generates a data voltage based on the second voltage value and supplies the data voltage to the data line. The sensing unit provides an initialization voltage to the sensing line. A voltage difference between the data voltage and a threshold voltage of the transistor is greater than or equal to the initialization voltage.
    Type: Application
    Filed: September 15, 2021
    Publication date: December 30, 2021
    Inventors: Seok Gyu BAN, Kyung Man KIM, Wook LEE
  • Publication number: 20210379869
    Abstract: Provided is a window including a glass substrate, an impact absorbing layer disposed on the glass substrate and having a first storage modulus, and at least one coating layer disposed on at least one of top and bottom surfaces of the impact absorbing layer, respectively, and having a second storage modulus that is greater than the first storage modulus, wherein a ratio between a first thickness of the impact absorbing layer and a second thickness of at least one of the at least one coating layer is about 1:0.0002 to about 1:0.05.
    Type: Application
    Filed: February 25, 2021
    Publication date: December 9, 2021
    Inventors: Min-Hoon CHOI, Minsang KOO, Kyung-Man KIM, Sanghoon KIM, Seongjin HWANG