Patents by Inventor Kyung-Hyun CHOI

Kyung-Hyun 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: 20240134036
    Abstract: Disclosed is an image generating device, which includes a measurement device including a plurality of transmitters and a plurality of receivers for a multistatic measurement of an object, an image preprocessing device that receives a raw image signal corresponding to the multistatic measurement from the measurement device and generates a preprocessed image signal based on the raw image signal, an image amplifier that generates an amplified image signal based on the preprocessed image signal, and an image restorer that generates a restored image signal corresponding to the object based on the amplified image signal, and the image amplifier is further configured to set up a first virtual transmitter and a first virtual receiver, to obtain first measurement data of a first target transmitter closest to the first virtual transmitter among the plurality of transmitters and a first target receiver closest to the first virtual receiver among the plurality of receivers.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 25, 2024
    Inventors: Sungwoo JO, Mugeon KIM, JUNGSOO KIM, Kyung Hyun PARK, Il Min LEE, Eui Su LEE, DA HYE CHOI
  • Patent number: 11967503
    Abstract: Provided are a method of depositing a thin film and a method of manufacturing a semiconductor device using the same, and the method of depositing a thin film uses a substrate processing apparatus including a chamber, a substrate support on which a substrate is mounted, a gas supply unit, and a power supply unit that supplies high-frequency and low-frequency power to the chamber, and includes: a step of mounting, on the substrate support, the substrate including a lower thin film deposited under the condition of a process temperature in a low temperature range; a step of depositing an upper thin film on the lower thin film under the condition of the process temperature in the low temperature range; and a step of treating a surface of the upper thin film under the condition of the process temperature in the low temperature range.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: April 23, 2024
    Assignee: WONIK IPS CO., LTD.
    Inventors: Su In Kim, Young Chul Choi, Chang Hak Shin, Min Woo Park, Ji Hyun Kim, Kyung Mi Kim
  • Patent number: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Publication number: 20240104801
    Abstract: Disclosed is an image data generating method. Operations of emitting electromagnetic waves to an object and receiving scan signals scanning the object are performed by using a multi-static transceiver. First image data of a low resolution are generated based on the scan signals. when a first condition associated with the first image data is satisfied, second image data of a high resolution associated with a sub-region of the first image data are generated. When a second condition associated with the second image is satisfied, third image data based on the first image data and the second image data are generated.
    Type: Application
    Filed: September 25, 2023
    Publication date: March 28, 2024
    Inventors: Sungwoo JO, Kyung Hyun PARK, Il Min LEE, Mugeon KIM, JUNGSOO KIM, Eui Su LEE, DA HYE CHOI
  • Publication number: 20240107002
    Abstract: A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Se Yoon JEONG, Hui Yong KIM, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Jong Ho KIM, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Gwang Hoon PARK, Kyung Yong KIM, Tae Ryong KIM, Han Soo LEE
  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Publication number: 20240074246
    Abstract: An electronic device includes a display panel including a first region including a transmissive region and an element region and a second region spaced apart from the first region. The display panel includes a base layer, a circuit layer that is disposed on the base layer and that includes a pixel circuit and a barrier wall disposed in the element region, an element layer that is disposed on the circuit layer and that includes a plurality of light emitting elements and a pixel defining film, and an encapsulation layer disposed on the element layer. The pixel defining film includes a pixel defining pattern disposed in the element region and a pixel defining layer disposed in the second region, and a side surface of the pixel defining pattern is in contact with a side surface of the barrier wall.
    Type: Application
    Filed: August 28, 2023
    Publication date: February 29, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventor: KYUNG HYUN CHOI
  • Publication number: 20240074232
    Abstract: A display device includes: a substrate including a first display area including a plurality of first pixel areas and a plurality of transmission areas, and a second display area including a plurality of second pixel areas; a light blocking layer disposed in the first and second display areas on the substrate, wherein an opening overlapping each of the transmission areas is defined through the light blocking layer, and the opening has a planar shape including at least two adjacent curves having different radii of curvature from each other; and a plurality of pixels respectively disposed in the first and second pixel areas on the light blocking layer and each including a light emitting element.
    Type: Application
    Filed: June 29, 2023
    Publication date: February 29, 2024
    Inventors: SOLA LEE, KIYOUNG KIM, JONGSEOK KIM, DONGHYUN SON, JINGOO JUNG, KYUNG HYUN CHOI
  • Publication number: 20240055572
    Abstract: An electronic device includes a display panel with a first area including a transmissive area, an element area, and connection areas extending from the element area, and a second area. The display panel includes a first light emitting unit in the element area and including first, second, and third light emitting elements, and a first copy light emitting unit in the connection areas, including copy light emitting elements, and operating in synchronization with the first light emitting unit. The connection areas include a first connection area adjacent to the first light emitting element, a second connection area adjacent to the second light emitting element, and third and fourth connection areas adjacent to the third light emitting element. An emission color of the first light emitting element is different from an emission color of a first copy light emitting element of the copy light emitting elements in the first connection area.
    Type: Application
    Filed: July 31, 2023
    Publication date: February 15, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: KYUNG HYUN CHOI, DONGHYUN SON, SOLA LEE
  • Publication number: 20240023401
    Abstract: An electronic device includes a display panel including a first area, a second area, and an intermediate area. The display panel includes a base layer, a circuit layer including a first pixel circuit disposed in the first area and including a first driving transistor, a second pixel circuit disposed in the second area and including a second driving transistor, and a third pixel circuit disposed in the intermediate area and including a third driving transistor, and an element layer including a first light emitting element connected to the first pixel circuit, a second light emitting element connected to the second pixel circuit, a third light emitting element connected to the third pixel circuit, and a copy light emitting element connected to the third pixel circuit. A W/L ratio of the third driving transistor is greater than a W/L ratio of the second driving transistor.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 18, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: KYUNG HYUN CHOI, DONGHYUN SON, YUN-KYEONG IN
  • Publication number: 20240023404
    Abstract: An electronic device includes a display panel including a first area including a plurality of transmission areas and an element area, a second area spaced apart from the first area, and a boundary area defined between the first area and the second area. The display panel includes a division layer in which a plurality of first division is openings defined in the first area and a plurality of second division openings is defined in the second area, a plurality of first color filters including a first-first color filter, a first-second color filter, and a first-third color filter, which are arranged in each of the first division openings, and a plurality of second color filters corresponding to the second division openings in a one-to-one correspondence.
    Type: Application
    Filed: May 25, 2023
    Publication date: January 18, 2024
    Inventors: KYUNG HYUN CHOI, SEONG MIN WANG
  • Publication number: 20240023387
    Abstract: An electronic device includes a display panel including a first area and a second area. The display panel includes a barrier layer including a first lower light blocking layer disposed in the first area and a second lower light blocking layer disposed in the second area, the first lower light blocking layer and the second lower light blocking layer disposed on a same layer and a circuit layer including a first pixel circuit disposed in the first area and a second pixel circuit disposed in the second area. The first pixel circuit includes a plurality of first-type transistors, the second pixel circuit includes a plurality of second-type transistors, the first lower light blocking layer entirely overlaps the first-type transistors, and the second lower light blocking layer overlaps some of the second-type transistors and does not overlap the other of the second-type transistors.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: DONGHYUN SON, SOLA LEE, KYUNG HYUN CHOI, KIYOUNG KIM, JONGSEOK KIM
  • Patent number: 11672143
    Abstract: An organic light emitting diode display device includes a substrate, a first pixel structure, a second pixel structure, a thin film encapsulation structure, and a functional module. The substrate includes a display region and a module region. The display region includes a first pixel region, and the module region includes a second pixel region and a transmissive region. The first pixel structure is disposed in the first pixel region on the substrate. The second pixel structure is disposed in the second pixel region on the substrate. The thin film encapsulation structure is disposed on the first and second pixel structures, and includes a plurality of scatterers in the first module region. The functional module is disposed in the module region on a bottom surface of the substrate.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: June 6, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Hyun Choi, Jin Koo Chung
  • Publication number: 20230157069
    Abstract: A light emitting display device includes: a first display area that includes a first pixel circuit part and a first light emitting element connected to the first pixel circuit part; a (2-1)-th display area that includes a (2-1)-th pixel circuit part, a (2-1)-th light emitting element connected to the (2-1)-th pixel circuit part, and a (2-2)-th pixel circuit part; and a (2-2)-th display area that includes a (2-2)-th light emitting element connected to the (2-2)-th pixel circuit part and a light transmitting area, wherein the first pixel circuit part of the first display area is below the first light emitting element, the (2-1)-th pixel circuit part of the (2-1)-th display area is below the (2-1)-th light emitting element, and at least one organic film in the first pixel circuit part and the (2-1)-th pixel circuit part is not included in the light transmitting area.
    Type: Application
    Filed: June 24, 2022
    Publication date: May 18, 2023
    Inventors: Jin Seock MA, Sola LEE, Kyung Hyun CHOI
  • Patent number: 11569322
    Abstract: A display device includes: a substrate including a display area and a transmission area; a blocking layer disposed in the display area of the substrate and including a first blocking layer and a second blocking layer that is disposed on the first blocking layer; an insulating layer disposed on the blocking layer; a transistor disposed on the insulating layer; and a light emitting element connected to the transistor, wherein a first reflectivity of the first blocking layer is smaller than a second reflectivity of the second blocking layer, and a first absorption coefficient of the first blocking layer is smaller than a second absorption coefficient of the second blocking layer.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: January 31, 2023
    Inventors: Jin Seock Ma, Gyung Min Baek, Hyun Eok Shin, Ju Hyun Lee, Moo Soon Ko, Jin Goo Jung, Kyung Hyun Choi
  • Publication number: 20230005998
    Abstract: An electronic device includes a display panel including a first area having a transmissive area and an element area and a second area disposed adjacent to the first area, and an electronic module disposed below the first area, wherein the display panel includes a substrate, a light blocking layer which is disposed on the substrate and has a first opening defining the transmissive area, pixel circuits disposed on the light blocking layer, and light emitting elements respectively connected to the pixel circuits, wherein the pixel circuits include outermost conductive patterns disposed adjacent to the transmissive area, the light blocking layer includes target portions each having a straight-line shaped edge in a plan view, and a minimum distance between an edge of each of the target portions and an edge of a corresponding one of the outermost conductive patterns is about 5 micrometers to about 20 micrometers.
    Type: Application
    Filed: February 23, 2022
    Publication date: January 5, 2023
    Inventors: SANGHOON OH, DONGHYEOK LEE, JONGSEOK KIM, JINGOO JUNG, YUNSIK JOO, KYUNG HYUN CHOI
  • Publication number: 20220406867
    Abstract: An electronic device includes a display panel. The display panel includes a substrate, a light blocking layer disposed on the substrate, the light blocking layer including a first opening that defines a transmission area, at least one lower insulating layer disposed between the light blocking layer and the substrate, the at least one lower insulating layer including a second opening that overlaps the first opening, pixel circuits disposed on the light blocking layer, light emitting elements electrically connected to the pixel circuits, and an encapsulation layer overlapping the light emitting elements.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 22, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: KYUNG HYUN CHOI, SEMYUNG KWON, SANGHOON OH, JINGOO JUNG
  • Patent number: 11482163
    Abstract: A display device includes scan lines disposed in a first direction; data lines disposed in a second direction substantially perpendicular to the first direction; and unit pixel regions adjacent to the scan lines and the data lines, each unit pixel region including sub-pixels. A portion of an opening region of at least one of the sub-pixels overlaps a unit pixel region adjacent to a unit pixel region corresponding to the at least one of the sub-pixels, and a side of the opening region of the at least one of the sub-pixels extends in a third direction inclined with respect to each of the first direction and the second direction.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: October 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Koo Chung, Dong Soo Kim, Taek Ju Jung, Seong Min Kim, Kyung Soo Jang, Kwang Chul Jung, Kyung Hyun Choi
  • Publication number: 20220302420
    Abstract: A display device includes a substrate that includes a display area and a transmissive area, a first blocking layer that is disposed on the display area of the substrate, and disposed on a first surface of the substrate, a second blocking layer that is disposed in the display area of the substrate, and disposed on a second surface of the substrate opposite to the first surface, an insulation layer that is disposed on the first blocking layer, a transistor that is disposed on the insulation layer, and a light emitting element that is connected to the transistor.
    Type: Application
    Filed: January 11, 2022
    Publication date: September 22, 2022
    Inventors: Jin Seock MA, Moo Soon KO, Se Wan SON, Jin Goo JUNG, Kyung Hyun CHOI
  • Publication number: 20220293689
    Abstract: An electronic device includes a display panel in which a first area including an electronic module, a display area, a line area and a transmission area, and a second area adjacent to the first area are defined, where the display panel includes a base layer, a light blocking layer disposed on the base layer, a plurality of insulating layers disposed on the base layer, a first pixel disposed in the first area, and a second pixel disposed in the second area, and an input sensor disposed on the display panel, where the input sensor includes sensing insulating layers. The first area has a higher light transmittance than the second area, the light blocking layer overlaps the display area and the line area, and the light blocking layer does not overlap the transmission area.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 15, 2022
    Inventors: KYUNG HYUN CHOI, MOOSOON KO, JINGOO JUNG