Patents by Inventor Tae Choi

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: 20240023359
    Abstract: The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A] or [chemical formula B] and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] or [chemical formula B] in at least one of the two emission layers, [chemical formula A] and [chemical formula B] being as described in the detailed description of the invention.
    Type: Application
    Filed: July 30, 2021
    Publication date: January 18, 2024
    Inventors: Si-in KIM, Se-jin LEE, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Ji-Yung KIM, Kyungtae KIM, Myeong-jun KIM, Kyeong-Hyeon KIM, Yu-rim LEE, Seung-soo LEE, Tae Gyun LEE, Joon-ho KIM
  • Publication number: 20240016058
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are as described in the detailed description of the invention.
    Type: Application
    Filed: July 29, 2021
    Publication date: January 11, 2024
    Inventors: Si-in KIM, Se-jin LEE, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Ji-yung KIM, Kyungtae KIM, Myeong-jun KIM, Kyeong-hyeon KIM, Yu-rim LEE, Seung-soo LEE, Tae Gyun LEE, Joon-ho KIM
  • 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: 20230398840
    Abstract: The present disclosure relates to an apparatus for predicting performance of a power window and a method thereof. The apparatus for predicting performance of a power window may include a memory storage that stores a deep learning model and trained updates thereto and a controller that trains the deep learning model to predict the performance of the power window using a slide resistance of a glass run, a stroke distance of a door glass, a weight of the door glass, a torque of a motor, and a durability of the power window. The system may then predict performance of a target power window based on the deep learning model on which training has been performed.
    Type: Application
    Filed: September 27, 2022
    Publication date: December 14, 2023
    Inventor: Sung 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: 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: 20230298472
    Abstract: A method of displaying a corridor for an unmanned vehicle using a point cloud. The method includes: displaying the space vector points in a preset 3-dimensional space; and generating and displaying individual corridors, each individual corridor connecting between selected space vector points from among the space vector points. Each of the space vector points includes location information and size information, the individual corridor is displayed by a stereoscopic structure including an internal space in which the unmanned vehicle can fly, and the form of the individual corridor is determined based on the size information of a pair of adjacent space vector points.
    Type: Application
    Filed: August 22, 2022
    Publication date: September 21, 2023
    Inventors: Tae In CHOI, Seong Won JO
  • Publication number: 20230282116
    Abstract: Proposed is a 4-dimensional path display method for an unmanned vehicle using a point cloud that makes it easy to control the unmanned vehicle and provides a minute and safe path in response to collision accidents during flight of unmanned vehicles by using the point cloud in the 3-dimensional airspace space to define and display the corridor that constitutes the flight path of the unmanned vehicle in detail and easily. The 4-dimensional path display method for an unmanned vehicle using a point cloud according to an embodiment of the present invention includes the steps of defining a 3-dimensional airspace space for generating a flight path of the unmanned vehicle, and generating and displaying the flight path of the unmanned vehicle using the point cloud in the 3-dimensional airspace space.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 7, 2023
    Inventors: Tae In CHOI, Seong Won JO
  • Publication number: 20230276706
    Abstract: Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.
    Type: Application
    Filed: July 20, 2021
    Publication date: August 31, 2023
    Inventors: Soon-wook CHA, Sung-woo KIM, Ji-won LEE, Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • 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
  • Publication number: 20230257189
    Abstract: The present disclosure relates to an apparatus for accommodating copper foil. The apparatus includes an accommodation body having an accommodation space which accommodates copper foil wound on a core, a support portion coupled to the accommodation body and configured to support both ends of the core, and an elastic member disposed between the support portion and the core and configured to support the core. Here, the elastic member includes a body portion, a plurality of first protrusions arranged on a top surface of the body portion and extending in a longitudinal direction of the core, and a plurality of second protrusions arranged on a bottom surface of the body portion and extending in a direction perpendicular to the extending direction of the plurality of first protrusions. Accordingly, vibrations may be buffered in a frequency band of vibrations occurring in a transportation process.
    Type: Application
    Filed: June 29, 2021
    Publication date: August 17, 2023
    Inventors: In Soo JUNG, Yeon Tae CHOI, Seung Min KIM, Young Gyu YANG
  • Publication number: 20230200099
    Abstract: Disclosed herein is an organic light-emitting diode comprising at least one of the compounds represented by [Chemical Formula A] and at least one of the compound represented by [Chemical Formula B] as host materials therein, wherein [Chemical Formula A] and [Chemical Formula B] are as defined in the description.
    Type: Application
    Filed: March 18, 2021
    Publication date: June 22, 2023
    Inventors: Se-Jin LEE, Yeong-Tae CHOI, Ji-Yung KIM, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM
  • Publication number: 20230183200
    Abstract: The present invention relates to: an anthracene derivative compound having a specific structure; and an organic light-emitting device having low-voltage driving characteristics, comprising same, and also relates to an organic light-emitting device, which employs, as a dopant compound, a polycyclic aromatic derivative compound having a specific structure together in a light-emitting layer, and thus has excellent light-emitting characteristics such as further improved low-voltage driving.
    Type: Application
    Filed: May 12, 2021
    Publication date: June 15, 2023
    Applicant: SFC CO., LTD
    Inventors: Ji-yung KIM, Se-jin LEE, Yeong-tae CHOI, Kyung-tae KIM, Myeong-jun KIM, Kyeong-hyeon KIM
  • Publication number: 20230159566
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula E], wherein [Chemical Formula A] to [Chemical Formula E] is as defined in the description.
    Type: Application
    Filed: April 13, 2021
    Publication date: May 25, 2023
    Inventors: Myeong-Jun KIM, Se-Jin LEE, Yeong-Tae CHOI, Ji-Yung KIM, Kyungtae KIM, Kyeong-Hyeon KIM
  • Patent number: 11620881
    Abstract: Provided are a haptic feedback fiber body, a haptic feedback fabric, and a wearable device. The haptic feedback fiber body can include a core fiber having a first electrode to surround the outer surface thereof, and a vibrating fiber, provided so as to intermittently contact the outer surface of the core fiber, including a second electrode on the inner surface thereof, wherein a piezoelectric polymer is provided on the outer surface of the first electrode or on the inner surface of the second electrode to generate fretting vibrations when the polymer is in close contact with the first electrode or the second electrode on which the piezoelectric polymer is disposed opposite to each other.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: April 4, 2023
    Assignee: CHUNGANG UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventor: Seung Tae Choi
  • 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
  • Publication number: 20230039080
    Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A], wherein [Chemical Formula A] is as defined in the description.
    Type: Application
    Filed: February 4, 2021
    Publication date: February 9, 2023
    Inventors: Se-Jin LEE, Yeong-Tae CHOI, Ji-Young KIM, Kyungtae KIM, Myeong-Jun KIM, Kyeong-Hyeon KIM
  • 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
  • Publication number: 20220356747
    Abstract: An apparatus of controlling a safety power window of a vehicle and a method thereof to not injure the body caught in a window frame, as well as to prevent a malfunction of the safety power window, by adaptively setting an operation reference value of the safety power window, may include a learning device that deep-learns a model which predicts an operation reference value of the safety power window provided in the vehicle, based on driving information of the vehicle, a sensor that collects the driving information of the vehicle, and a controller that obtains the operation reference value of the safety power window corresponding to current driving information of the vehicle by use of the model on which the deep learning is completed, and controls the safety power window according to the operation reference value of the safety power window.
    Type: Application
    Filed: October 12, 2021
    Publication date: November 10, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventor: Sung Tae CHOI