Patents by Inventor Yechan CHOI

Yechan 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).

  • Patent number: 12342701
    Abstract: Provided is a display device having defined therein an opening corresponding to a boundary region, and including a plurality of insulating layers disposed on a base layer, an organic layer disposed in the opening, a first connection electrode disposed on the uppermost insulating layer among the plurality of insulating layers, connected to a first signal line through a first contact hole passing through the organic layer, and connected to a transistor through a second contact hole passing through corresponding insulating layers among the plurality of insulating layers, and a second signal line disposed on a layer different from a layer on which the first line is disposed.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: June 24, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwangwoo Park, Minjung Ann, Yechan Choi
  • Publication number: 20250200999
    Abstract: An operation method of an electronic device for monitoring a driver's state according to one embodiment includes: detecting feature points of a driver's face in a vehicle interior image captured by an interior camera installed in the electronic device; transforming coordinates of the detected feature points into a frontal coordinate system; and determining the driver's state using distances between coordinates of at least two of the transformed feature points, wherein the frontal coordinate system is a coordinate system of an image captured by the interior camera from directly in front of the driver's face.
    Type: Application
    Filed: December 12, 2024
    Publication date: June 19, 2025
    Applicant: THINKWARE CORPORATION
    Inventors: Yosep Park, Yechan Choi, Taekyu Han
  • Publication number: 20250200967
    Abstract: According to an embodiment, an electronic device includes at least one camera, a gyro sensor, memory, and at least one processor operably connected with the at least one camera, the gyro sensor, and the memory, and the processor is configured to obtain video information by using the at least one camera, based on obtaining the video information, obtain, first rotation data on the electronic device by using the gyro sensor, and second rotation data by using a designated estimation model, based on the first rotation data and the second rotation data, obtain a rotation value for the video information, and based on the obtained rotation value, identify at least one object regarding the video information.
    Type: Application
    Filed: December 12, 2024
    Publication date: June 19, 2025
    Applicant: THINKWARE CORPORATION
    Inventors: Yechan Choi, Yosep Park
  • Publication number: 20250072266
    Abstract: A light emitting display device includes a substrate, an anode located on the substrate, a pixel defining layer located on the anode with a first opening defined therethrough to overlap the anode, a light emitting layer located within the first opening of the pixel defining layer, a cathode located on the light emitting layer and the pixel defining layer, an encapsulation layer located on the cathode, a scattering layer located on the encapsulation layer and including scattering particles, with a scattering layer opening defined therethrough to overlap the first opening in a plan view at least in part, and a light blocking layer located on the light blocking layer with a second opening defined therethrough to overlap the first opening in a plan view, where at least one selected from the first opening, the scattering layer opening, and the second opening has an oval shape.
    Type: Application
    Filed: May 17, 2024
    Publication date: February 27, 2025
    Inventors: Changwook KIM, Beohm Rock CHOI, Jun Hee LEE, Minjung ANN, Wang Jo LEE, Hyun Duck CHO, Kook Hyun CHOI, Yechan CHOI
  • Publication number: 20250072222
    Abstract: A light emitting display device includes a substrate, anodes disposed on the substrate, a pixel defining layer having first openings overlapping each of the anodes, light emitting layers each disposed within the first openings of the pixel defining layer, a cathode disposed on the light emitting layers and the pixel defining layer, an encapsulation layer disposed on the cathode, and a light blocking layer disposed on the encapsulation layer and including second openings each overlapping the first openings. One unit pixel includes two light emitting areas of a first color, one light emitting area of a second color, and one light emitting area of a third color. The light emitting areas of the first color have a diamond shape, the second color and the third color light emitting areas each have a rectangular shape, and at least one second opening has an oval shape.
    Type: Application
    Filed: April 1, 2024
    Publication date: February 27, 2025
    Inventors: Kook Hyun CHOI, Changwook KIM, Changhyun BACK, Minjung ANN, Wang Jo LEE, Jun Hee LEE, Hyun Duck CHO, Beohm Rock CHOI, Yechan CHOI
  • Publication number: 20240413518
    Abstract: Provided are: a feed pin in which a step is formed on a head to prevent cracks from forming in a soldering layer; and a patch antenna comprising the feed pin. The provided feed pin includes: a feed head made of a conductive material and in the shape of a plate having a first area; a stepped plate made of a conductive material and in the shape of a plate having a second area, the stepped plate being connected to the lower surface of the feed head; and a feed bar made of a conductive material and in the shape of a polyhedron, the feed bar being connected to the lower surface of the stepped plate.
    Type: Application
    Filed: October 7, 2022
    Publication date: December 12, 2024
    Applicant: AMOTECH CO., LTD.
    Inventors: Taehyung KIM, Chul HUANG, Yechan CHOI, Sanghyun LEE, Habin BONG, Sango KIM, Seungho YANG, Gunyoung LEE
  • Publication number: 20240395030
    Abstract: A processor of an electronic device according to an embodiment may be configured to: obtain an angle rotated about an optical axis of the camera, through the sensor; identify, in an image obtained through the camera, first coordinates with respect to first vertices of an area in which a visual object corresponding to an external object is included; obtain second coordinates by rotating the first coordinates about a center point of the area, according to the angle; based on a category of the external object, which is identified by a neural network to which the image is inputted, identify third coordinates having a size corresponding to the category, from the second coordinates; and identify a distance between the electronic device and the external object, based on the third coordinates.
    Type: Application
    Filed: May 22, 2024
    Publication date: November 28, 2024
    Applicant: THINKWARE CORPORATION
    Inventors: Yosep PARK, Yechan CHOI
  • Patent number: 12095180
    Abstract: The present invention suggests a multi-band patch antenna in which an antenna pin is inserted into a single-band patch antenna, so that the multi-band patch antenna requires a minimum mounting space and can resonate in both the existing frequency bands and the V2X frequency band. The suggested multi-band patch antenna comprises: a base substrate through which a first through-hole and a second through-hole are formed; an upper patch and a lower patch arranged on the upper and lower surfaces of the base substrate, respectively; an inner conductor disposed on the inner wall surface of the first through-hole to electrically connect the upper patch to the lower patch; an antenna pin extending through the first through-hole, and including an end part disposed above the base substrate; and a first feed pin extending through the second through-hole.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: September 17, 2024
    Assignee: AMOTECH CO., LTD.
    Inventors: Chul Hwang, Sango Kim, Injo Jeong, Habin Bong, Yechan Choi, Injoo Kim, Hangyeul Kim, Piljung Jeong, Hong-Woo Kim
  • Publication number: 20240184395
    Abstract: A display apparatus is disclosed that includes a substrate, a partition wall, and wiring. The substrate includes a display area and a peripheral area. The partition wall is arranged in the peripheral area. The wiring is arranged over the substrate extends from the display area to the peripheral area, and inserted into the partition wall or passes through the partition wall. The wiring includes at least one through hole.
    Type: Application
    Filed: January 3, 2024
    Publication date: June 6, 2024
    Inventors: Kwangwoo Park, Yoonho Kim, Minjung Ann, Jinwhan Jung, Jinho Ju, Sanghyun Choi, Yechan Choi
  • Patent number: 11899872
    Abstract: A display apparatus is disclosed that includes a substrate, a partition wall, and wiring. The substrate includes a display area and a peripheral area. The partition wall is arranged in the peripheral area. The wiring is arranged over the substrate extends from the display area to the peripheral area, and inserted into the partition wall or passes through the partition wall. The wiring includes at least one through hole.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwangwoo Park, Yoonho Kim, Minjung Ann, Jinwhan Jung, Jinho Ju, Sanghyun Choi, Yechan Choi
  • Publication number: 20230268465
    Abstract: A display apparatus includes a substrate, a first silicon-based transistor including a first semiconductor layer and a first gate electrode. The first semiconductor layer includes a silicon-based semiconductor, and the first gate electrode overlaps the first semiconductor layer, at least one insulating layer on the first gate electrode, a first oxide-based transistor including a semiconductor layer. The semiconductor layer includes an oxide-based semiconductor, a first connection electrode electrically connecting the first semiconductor layer to the semiconductor layer of the first oxide-based transistor, and a bottom metal layer disposed between the substrate and the first silicon-based transistor and overlapping a portion of the first semiconductor layer of the first silicon-based transistor. A portion of the bottom metal layer overlaps a first connection point between a portion of the first semiconductor layer and the first connection electrode.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 24, 2023
    Inventors: Yechan CHOI, Kwangwoo PARK, Jinyong LEE
  • Publication number: 20230049290
    Abstract: Provided is a display device having defined therein an opening corresponding to a boundary region, and including a plurality of insulating layers disposed on a base layer, an organic layer disposed in the opening, a first connection electrode disposed on the uppermost insulating layer among the plurality of insulating layers, connected to a first signal line through a first contact hole passing through the organic layer, and connected to a transistor through a second contact hole passing through corresponding insulating layers among the plurality of insulating layers, and a second signal line disposed on a layer different from a layer on which the first line is disposed.
    Type: Application
    Filed: May 16, 2022
    Publication date: February 16, 2023
    Inventors: KWANGWOO PARK, MINJUNG ANN, YECHAN CHOI
  • Publication number: 20220397997
    Abstract: A display apparatus is disclosed that includes a substrate, a partition wall, and wiring. The substrate includes a display area and a peripheral area. The partition wall is arranged in the peripheral area. The wiring is arranged over the substrate extends from the display area to the peripheral area, and inserted into the partition wall or passes through the partition wall. The wiring includes at least one through hole.
    Type: Application
    Filed: February 23, 2022
    Publication date: December 15, 2022
    Inventors: Kwangwoo Park, Yoonho Kim, Minjung Ann, Jinwhan Jung, Jinho Ju, Sanghyun Choi, Yechan Choi
  • Publication number: 20220311142
    Abstract: The present invention suggests a multi-band patch antenna in which an antenna pin is inserted into a single-band patch antenna, so that the multi-band patch antenna requires a minimum mounting space and can resonate in both the existing frequency bands and the V2X frequency band. The suggested multi-band patch antenna comprises: a base substrate through which a first through-hole and a second through-hole are formed; an upper patch and a lower patch arranged on the upper and lower surfaces of the base substrate, respectively; an inner conductor disposed on the inner wall surface of the first through-hole to electrically connect the upper patch to the lower patch; an antenna pin extending through the first through-hole, and including an end part disposed above the base substrate; and a first feed pin extending through the second through-hole.
    Type: Application
    Filed: August 25, 2020
    Publication date: September 29, 2022
    Applicant: AMOTECH CO., LTD.
    Inventors: Chul HWANG, Sango KIM, Injo JEONG, Habin BONG, Yechan CHOI, Injoo KIM, Hangyeul KIM, Piljung JEONG, Hong-Woo KIM