Patents by Inventor Young-Tae Choi

Young-Tae Choi 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: 20240246996
    Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 25, 2024
    Inventors: Seon-Keun YOO, Young-Jun YU, Seong-Su JEON, Sang-Beom KIM, Gi-Baek LEE, Dae-Hyuk CHOI, Dong-Jun KIM, Jun-Tae MO
  • Publication number: 20240246997
    Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.
    Type: Application
    Filed: October 16, 2023
    Publication date: July 25, 2024
    Inventors: Seon-Keun YOO, Young-Jun Yu, Seong-Su Jeon, Sang-Beom Kim, Gi-Baek Lee, Dae-Hyuk Choi, Dong-Jun Kim, Jun-Tae Mo
  • Patent number: 12046199
    Abstract: A pixel including: a light emitting element; a first transistor connected between a first node and a second node, and to generate a driving current to flow from a first power line to a second power line through the light emitting element; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor; a fourth transistor connected between the third node and a third power line; a fifth transistor connected between the first power line and the first node; a sixth transistor connected between the second node and a fourth node corresponding to a first electrode of the light emitting element; a seventh transistor connected between the fourth node and a fourth power line; and an eighth transistor connected between the fourth node and a fifth power line.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: July 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Youn Cho, Jong Woo Park, Sang Kil Kim, Ji Ho Moon, Young Tae Choi
  • Publication number: 20240227596
    Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.
    Type: Application
    Filed: February 6, 2023
    Publication date: July 11, 2024
    Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
  • Publication number: 20240140224
    Abstract: A charging cable for an electric vehicle includes a cable main body having a flat cross-section in a width direction thereof and partitioned into a plurality of internal regions. The charging cable includes terminal portions through which positive and negative power cables, a communication/sensor cable, a coolant flow channel, and a ground pass into the plurality of internal regions, respectively. The terminal portions are arranged in a row in the width direction of the cable main body.
    Type: Application
    Filed: March 3, 2023
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Woo Hyung Lee, Sang Jin Lee, Young Tae Choi, Kwang Min Oh, Ho Choi
  • Publication number: 20240131943
    Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.
    Type: Application
    Filed: February 6, 2023
    Publication date: April 25, 2024
    Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
  • Publication number: 20240123851
    Abstract: A electric vehicle cable mounting system includes a driving unit including a rotary disc and allowing a charging cable to be released from a side in accordance with a rotation motion of a rotary disc, a guide unit provided behind the driving unit and allowing the driving unit to move in a vertical direction in accordance with a rotation motion of the rotary disc, and a controller controlling the driving unit and the guide unit such that the charging cable is automatically released in an electric vehicle charge mode and is automatically returned in an electric vehicle charge standby mode.
    Type: Application
    Filed: March 6, 2023
    Publication date: April 18, 2024
    Inventors: Woo Hyung Lee, Seung Tack Hong, Ho Choi, Young Tae Choi, Hyun Gu Lee, Su Hwan Cho
  • Patent number: 11922841
    Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Ho Kim, Jong Woo Park, June Hwan Kim, Ki Ju Im, Young Tae Choi, Hyuncheol Hwang
  • Publication number: 20240063229
    Abstract: A display device is provided.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 22, 2024
    Inventors: June Hwan KIM, Tae Young KIM, Jong Woo PARK, Young Tae CHOI, Hyun Cheol HWANG, Ki Ju IM
  • Patent number: 11870020
    Abstract: A display device may include a substrate. A first light emitting element is disposed on the substrate. A second light emitting element is disposed on the substrate and is positioned adjacent to the first light emitting element. A first encapsulation layer is disposed on the first light emitting element and the second light emitting element. A light path control layer is disposed on the first encapsulation layer. The light path control layer includes a first pattern overlapping the first light emitting element and having a first refractive index and a second pattern overlapping the second light emitting element and having a second refractive index that is greater than the first refractive index.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ha Yeon Shin, Jong Woo Park, Dae Youn Cho, Young Tae Choi
  • Patent number: 11848330
    Abstract: A display device is provided.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: June Hwan Kim, Tae Young Kim, Jong Woo Park, Young Tae Choi, Hyun Cheol Hwang, Ki Ju Im
  • Publication number: 20230335058
    Abstract: A pixel of a display device may pre-charge a light emitting element in non-emission periods immediately before emission periods by varying a voltage level of an initialization voltage. As a result, a luminance non-uniformity phenomenon that may occur as the result of a deterioration deviation of the light emitting element may be removed or reduced.
    Type: Application
    Filed: April 17, 2023
    Publication date: October 19, 2023
    Inventors: Dae Youn CHO, Jong Woo PARK, Jun Seok OH, Yoon Suk CHOI, Young Tae CHOI
  • Publication number: 20230335056
    Abstract: A pixel including: a light emitting element; a first transistor connected between a first node and a second node, and to generate a driving current to flow from a first power line to a second power line through the light emitting element; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor; a fourth transistor connected between the third node and a third power line; a fifth transistor connected between the first power line and the first node; a sixth transistor connected between the second node and a fourth node corresponding to a first electrode of the light emitting element; a seventh transistor connected between the fourth node and a fourth power line; and an eighth transistor connected between the fourth node and a fifth power line.
    Type: Application
    Filed: December 15, 2022
    Publication date: October 19, 2023
    Inventors: Dae Youn CHO, Jong Woo PARK, Sang Kil KIM, Ji Ho MOON, Young Tae CHOI
  • Publication number: 20230261007
    Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.
    Type: Application
    Filed: September 22, 2022
    Publication date: August 17, 2023
    Inventors: Yoon Ho KIM, Jong Woo PARK, JUNE HWAN KIM, Ki Ju IM, Young Tae CHOI, HYUNCHEOL HWANG
  • Patent number: 11605355
    Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: March 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Youn Cho, Sang Kil Kim, Hyo Jung Kim, Jong Woo Park, Dong Gi Ahn, Jong Won Lee, Ju Hee Lee, Young Tae Choi
  • Patent number: 11528805
    Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, lower pads disposed in the non-display area of the substrate and spaced apart from each other, upper pads disposed on the lower pads and spaced apart from each other, an anisotropic conductive film disposed between the lower pads and the upper pads, and a circuit film disposed on the upper pads, the circuit film including first lower holes disposed between the upper pads in a plan view, and first upper holes connected to the first lower holes and having radiuses larger than radiuses of the first lower holes. The first upper holes form first openings on an upper surface of the circuit film. A method of manufacturing the display device is provided.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Woo Byun, Jong Woo Park, Shangu Kim, Young Tae Choi
  • Patent number: 11475835
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: October 18, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jung Kim, Tae Young Kim, Yong Sung Park, Jong Woo Park, Mi Seon Seo, Keun Soo Lee, Ki Ju Im, Dae Youn Cho, Young Tae Choi, Hyun Cheol Hwang
  • Patent number: 11448550
    Abstract: An optical measurement device includes an optical sensor which measures an optical waveform of a reference object or a measurement object, a learner which receives a first optical waveform of the reference object from the optical sensor and learns frequency characteristics of the first optical waveform, a filter generator which analyzes the frequency characteristics of the first optical waveform and generates a frequency filter, a frequency modeling unit which receives a second optical waveform of the measurement object from the optical sensor and models frequency characteristics of the second optical waveform, and an optical characteristic detector which calculates an optical characteristic index of the second optical waveform based on an output value of the frequency modeling unit and the frequency filter.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Youn Cho, Eu Gene Kim, Ji Ho Moon, Jong Woo Park, Young Tae Choi
  • Patent number: 11404519
    Abstract: An organic light emitting display device may include a first active pattern disposed on a substrate and including a first region, a second region, and a third region; a first gate electrode disposed on the first active pattern and forming a first transistor together with the first region and the second region; a second gate electrode disposed on the first active pattern and forming a second transistor together with the second region and the third region; a third gate electrode disposed on the first gate electrode, overlapping the second region, and forming a storage capacitor together with the first gate electrode; a metal pattern disposed between the first active pattern and the third gate electrode and overlapping the second region; and an organic light emitting diode electrically connected to the first transistor, the second transistor, and the storage capacitor.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Ho Moon, Jong Woo Park, Dae Youn Cho, Young Tae Choi
  • Patent number: 11315482
    Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Youn Cho, Ji Ho Moon, Jong Woo Park, Young Tae Choi