Patents by Inventor Hyung-sun Kim

Hyung-sun 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).

  • COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20230180601
    Abstract: Disclosed are a composition for an organic optoelectronic device including a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2, and an organic optoelectronic device and a display device including the same. The contents of Chemical Formula 1 and Chemical Formula 2 are as defined in the specification.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 8, 2023
    Inventors: Seonyeong GWAK, Jongwoo WON, Mijin LEE, Jonghoon KO, Hyung Sun KIM, Hayun SONG, Chang Ju SHIN, Seungjae LEE, Sung-Hyun JUNG, Ho Kuk JUNG
  • Composition for organic optoelectronic element, organic optoelectronic element, and display device
    Patent number: 11659765
    Abstract: The present invention relates to a composition for an organic optoelectronic element, and an organic optoelectronic element and a display device utilizing same, wherein the composition includes a first compound for an organic optoelectronic element, the first compound being represented by a combination of specific chemical formulae; and a second compound for an organic optoelectronic element, the second compound being represented by a different specific chemical formula.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seungjae Lee, Hyung Sun Kim, Dong Wan Ryu, Juyeon Jung, Ho Kuk Jung, Changwoo Kim, Hyunjung Kim, Chang Ju Shin, Yongtak Yang, Sung-Hyun Jung
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20230138421
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
    Type: Application
    Filed: September 23, 2022
    Publication date: May 4, 2023
    Inventors: Seungjae LEE, Jongwoo WON, Chang Ju SHIN, Changwoo KIM, Youngkyoung JO, Hyung Sun KIM, Sung-Hyun JUNG, Il Geun HONG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20230139045
    Abstract: Provided a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. Details of Chemical Formula 1 are as defined in the specification.
    Type: Application
    Filed: September 6, 2022
    Publication date: May 4, 2023
    Inventors: Wook KIM, Seonyeong GWAK, Jaehoon KIM, Hyung Sun KIM, Mijin LEE, Yoonman LEE, Hanill LEE, Suheon IM, Sung-Hyun JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20230122972
    Abstract: Provided are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device. Details for Chemical Formula 1 are as defined in the specification.
    Type: Application
    Filed: August 31, 2022
    Publication date: April 20, 2023
    Inventors: Youngkyoung JO, Dong Min KANG, Chang Ju SHIN, Seungjae LEE, Changwoo KIM, Hyung Sun KIM, Jinhyun LUI, Seungin PARK, Jongwoo WON, Mijin LEE, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20230123757
    Abstract: A compound for an organic optoelectronic device, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
    Type: Application
    Filed: October 7, 2022
    Publication date: April 20, 2023
    Inventors: Hanill LEE, Hyung Sun KIM, Sung-Hyun JUNG, Seonyeong GWAK, Wook KIM, Jaehoon KIM, Chang Ju SHIN, Dongkyu RYU, Mijin LEE, Yoonman LEE, Suheon IM
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20230119201
    Abstract: The present invention relates to a composition for an organic optoelectronic element, and an organic optoelectronic element and a display device including same, the composition comprising a first compound, a second compound, and a third compound, wherein the first compound is represented by Chemical Formula I, the second compound is represented by Chemical Formula II, and the third compound is represented by Chemical Formula IIIA or Chemical Formula IIIB. The details of Chemical Formula I, Chemical Formula II, Chemical Formula IIIA and Chemical Formula IIIB are the same as those described in the specification.
    Type: Application
    Filed: March 5, 2021
    Publication date: April 20, 2023
    Inventors: Jonghoon KIM, Youngmook LIM, Changwoo KIM, Hansol SEO, Hyung Sun KIM, Mijin LEE, Sung-Hyun JUNG, Ho Kuk JUNG, Youngkyoung JO, Dalho HUH
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20230117860
    Abstract: A compound for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the compound being represented by Chemical Formula 1:
    Type: Application
    Filed: September 2, 2022
    Publication date: April 20, 2023
    Inventors: Jonghoon KIM, Byoungkwan LEE, Mijin LEE, Youngmook LIM, Dong Min KANG, Hyung Sun KIM, Sung-Hyun JUNG, Ho Kuk JUNG, Youngkyoung JO, Bo won CHOI
  • Compound, composition and organic optoelectronic device and display device
    Patent number: 11616202
    Abstract: A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: March 28, 2023
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Seungjae Lee, Changwoo Kim, Byungku Kim, Hyung Sun Kim, Dong Wan Ryu, Chang Ju Shin, Kipo Jang, Min Seok Seo, Sung-Hyun Jung
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20220399508
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the composition including a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 4,
    Type: Application
    Filed: May 17, 2022
    Publication date: December 15, 2022
    Inventors: Jinhyun LUI, Youngkyoung JO, Jun Seok KIM, Changwoo KIM, Seungjae LEE, Hyung Sun KIM, Seungchul LYU, Sangil LEE, Kyunghag JUNG, Sung-Hyun JUNG, Wooseok JEONG, Pyeongseok CHO, Dalho HUH
  • Low dropout voltage regulator and driving method of low dropout voltage regulator
    Patent number: 11480984
    Abstract: A low dropout voltage regulator includes a differential amplifier configured to output an amplified voltage by comparing a feedback voltage with a reference voltage, a pass transistor configured to receive a power input voltage into a source terminal, the amplified voltage into a gate terminal, and output an output voltage into a drain terminal, distribution resistors connected between the drain terminal and the ground terminal, configured to generate the feedback voltage, and an inrush preventer, connected in parallel between the differential amplifier and the pass transistor, and configured to output a regulated amplified voltage into the gate terminal according to a control signal, wherein the inrush preventer comprises a determiner configured to output an enable signal that is turned on during an initial driving period, and a limiter configured to output the regulated amplified voltage according to the enable signal.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: October 25, 2022
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Ju Sang Park, Hyung Sun Kim, Hyoung Kyu Kim
  • Compound for organic optoelectronic diode, organic optoelectronic diode, and display device
    Patent number: 11482682
    Abstract: Disclosed are a compound for an organic optoelectronic diode, a composition for an organic optoelectronic diode, including the compound for the organic optoelectronic diode, an organic optoelectronic diode including the same, and a display device.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: October 25, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Ju Shin, Changwoo Kim, Hyung Sun Kim, Dong Wan Ryu, Seungjae Lee, Yuna Jang, Dong Min Kang, Eun Sun Yu, Hanill Lee, Sung-Hyun Jung, Juyeon Jung, Ho Kuk Jung
  • Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device, and display device
    Patent number: 11459316
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the being represented by Chemical Formula 1:
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hanill Lee, Hyung Sun Kim, Chang Ju Shin, Dongkyu Ryu, Jiah Yoon, Seungjae Lee, Suyong Lim, Sung-Hyun Jung
  • Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device and display device
    Patent number: 11453659
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the compound for an organic optoelectronic device being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hanill Lee, Hyung Sun Kim, Chang Ju Shin, Dongkyu Ryu, Jiah Yoon, Sung-Hyun Jung, Handong Chu
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20220267344
    Abstract: The present invention relates to a compound for an organic optoelectronic element, the compound being represented by a combination of Chemical Formula 1 to Chemical Formula 3; a composition for an organic optoelectronic element, the composition including the compound; an organic optoelectronic element; and a display device. The details of Chemical Formula 1 to Chemical Formula 3 are as described in the specification.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 25, 2022
    Inventors: Seungjae LEE, Chang Ju SHIN, Eunhye AN, Jongwoo WON, Wooseok JEONG, Hyung Sun KIM, Seungin PARK, Sung-Hyun JUNG, Youngkyoung JO
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20220149289
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by a combination of Chemical Formula 1 and Chemical Formula 2,
    Type: Application
    Filed: November 4, 2021
    Publication date: May 12, 2022
    Inventors: Eunhye AN, Seonyeong GWAK, Wook KIM, Changwoo KIM, Hyung Sun KIM, Hanill LEE, Sung-Hyun JUNG, Suyong LIM, Youngkyoung JO
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20220140253
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2; or a combination of Chemical Formula 3 and Chemical Formula 4,
    Type: Application
    Filed: October 28, 2021
    Publication date: May 5, 2022
    Inventors: Seungjae LEE, Seonyeong GWAK, JInhyun LUI, Chang Ju SHIN, Jongwoo WON, Youngkyoung JO, Hyung Sun KIM, Hyungyu LEE, Sung-Hyun JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE AND COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE
    Publication number: 20220140251
    Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Application
    Filed: January 5, 2022
    Publication date: May 5, 2022
    Inventors: Jinhyun LUI, Changwoo KIM, Dong Wan RYU, Chang Ju SHIN, Hyung Sun KIM, Seungjae LEE, Jihun SHIN, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20220140257
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by a combination of Chemical Formula 1 and Chemical Formula 2,
    Type: Application
    Filed: November 1, 2021
    Publication date: May 5, 2022
    Inventors: Hanill LEE, Wook KIM, Hyung Sun KIM, Eunhye AN, Jiah YOON, Sung-Hyun JUNG, Jongwoo CHOI
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20220081449
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound represented by a combination of Chemical Formula 3 and Chemical Formula 4:
    Type: Application
    Filed: September 3, 2021
    Publication date: March 17, 2022
    Inventors: Jongwoo WON, Seonyeong GWAK, Mijin LEE, Jaehoon KIM, Hyung Sun KIM, Jinhyun LUI, Hayun SONG, Chang Ju SHIN, Hyunji YOO, Seungjae LEE, Sung-Hyun JUNG