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).

  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20220069234
    Abstract: Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, and an organic optoelectronic device and a display device including the same. Details of Chemical Formula 1 are as defined in the specification.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 3, 2022
    Inventors: Chang Ju SHIN, Hyung Sun KIM, Dong Wan RYU, Jongwoo WON, Hanill LEE, Jinseok JANG, Ho Kuk JUNG, Dongkyu RYU, Hyunji YOO, Mijin LEE, Sung-Hyun JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20220020933
    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: July 9, 2021
    Publication date: January 20, 2022
    Inventors: Jongwoo WON, Dong Wan RYU, Hayun SONG, Eunhye AN, Hyung Sun KIM, Jinhyun LUI, Mijin LEE, Hyungyu LEE, Sung-Hyun JUNG, Ho Kuk JUNG
  • Compound for organic optoelectronic device, composition for organic optoelectronic device and organic optoelectronic device and display device
    Patent number: 11223019
    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: Grant
    Filed: February 26, 2019
    Date of Patent: January 11, 2022
    Assignee: Samsung SDI Co., Ltd.
    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 and organic optoelectronic device and display device
    Patent number: 11217756
    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: Grant
    Filed: February 7, 2019
    Date of Patent: January 4, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinhyun Lui, Changwoo Kim, Dong Wan Ryu, Chang Ju Shin, Hyung Sun Kim, Seungjae Lee, Jihun Shin, Sung-Hyun Jung, Ho Kuk Jung
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210380534
    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 I, a second compound represented by Chemical Formula II, and a third compound represented by a combination of Chemical Formula III and Chemical Formula IV,
    Type: Application
    Filed: June 7, 2021
    Publication date: December 9, 2021
    Inventors: Changwoo KIM, Chang Ju SHIN, Youngmook LIM, Hyung Sun KIM, Ho Kuk JUNG, Jaehoon KIM, Sung-Hyun JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210376245
    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 I, a second compound represented by Chemical Formula II, and a third compound represented by Chemical Formula III,
    Type: Application
    Filed: June 2, 2021
    Publication date: December 2, 2021
    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 ELEMENT, COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20210273179
    Abstract: The present invention relates to a compound, represented by chemical formula 1, for an organic optoelectronic device, a composition, comprising the compound represented by Chemical Formula 1, for an organic optoelectronic device, an organic optoelectronic device, and a display device. The description of Chemical Formula 1 is as defined in the specification.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 2, 2021
    Inventors: Youngkyoung JO, Hyung Sun KIM, Kipo JANG, Yongtak YANG, Ho Kuk JUNG, Dalho HUH, Jonghoon KO, Jinhyun LUI, Mijin LEE, Sung-Hyun JUNG, Pyeongseok CHO
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210126204
    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: October 22, 2020
    Publication date: April 29, 2021
    Inventors: Chang Ju SHIN, Hyung Sun KIM, Jihun SHIN, Eunhye AN, Jongwoo WON, Dongkyu RYU, Seungjae LEE, Hanill LEE, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210104684
    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: September 29, 2020
    Publication date: April 8, 2021
    Inventors: Hanill LEE, Wook KIM, Hyung Sun KIM, Yongtak YANG, Jiah YOON, Mijin LEE, Suyong LIM, Sung-Hyun JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210098704
    Abstract: A compound for an organic optoelectronic device, a composition, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1A or Chemical Formula 1B.
    Type: Application
    Filed: September 17, 2020
    Publication date: April 1, 2021
    Inventors: Wook KIM, Hyung Sun KIM, Min Seok SEO, Jiah YOON, Hanill LEE, Sung-Hyun JUNG, Ho Kuk JUNG, Youngkyoung JO
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20210087179
    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 being represented by Chemical Formula 1:
    Type: Application
    Filed: September 9, 2020
    Publication date: March 25, 2021
    Inventors: Hyunjung KIM, Dong Wan RYU, Younhwan KIM, Jonghoon KIM, Hyung Sun KIM, Hansol SEO, Hayun SONG, Hyungyu LEE, Sung-Hyun JUNG, Youngkyoung JO
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE, AND DISPLAY DEVICE
    Publication number: 20210091314
    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: Application
    Filed: July 30, 2018
    Publication date: March 25, 2021
    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
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20210050526
    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: Application
    Filed: October 10, 2018
    Publication date: February 18, 2021
    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
  • LOW DROPOUT VOLTAGE REGULATOR AND DRIVING METHOD OF LOW DROPOUT VOLTAGE REGULATOR
    Publication number: 20210026385
    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: Application
    Filed: April 22, 2020
    Publication date: January 28, 2021
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Ju Sang PARK, Hyung Sun KIM, Hyoung Kyu KIM
  • COMPOSITION FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210013426
    Abstract: Disclosed are a composition for an organic optoelectric device including at least one of a first host compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and at least one of a second host compound represented by Chemical Formula 3, an organic optoelectric device including the same, and a display device. Details of Chemical Formulae 1 to 3 are the same as defined in the specification.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 14, 2021
    Inventors: Changwoo KIM, Hanill LEE, Hyung Sun KIM, Dong Wan RYU, Eun Sun YU, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20200407348
    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: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Inventors: Hanill LEE, Hyung Sun KIM, Chang Ju SHIN, Dongkyu RYU, Jiah YOON, Sung-Hyun JUNG, Handong CHU
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE AND DISPLAY DEVICE
    Publication number: 20200388766
    Abstract: Provided are: a compound for an organic optoelectronic diode; a composition for an organic optoelectronic diode including the same; an organic optoelectronic diode including the composition for the organic optoelectronic diode as a host; and a display device including the organic optoelectronic diode.
    Type: Application
    Filed: December 31, 2018
    Publication date: December 10, 2020
    Inventors: Changwoo KIM, Seungjae LEE, Hyung Sun KIM, Dong Wan RYU, Chang Ju SHIN, Kipo JANG, Sung-Hyun JUNG, Juyeon JUNG, Handong CHU
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20200377489
    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: Application
    Filed: May 29, 2020
    Publication date: December 3, 2020
    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, organic optoelectronic device and display apparatus
    Patent number: 10851056
    Abstract: The present invention relates to a compound for an organic optoelectronic device represented by chemical formula 1, an organic optoelectronic device employing the same and a display device apparatus. The details of chemical formula 1 are as defined in the specification.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: December 1, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byungku Kim, Hyung Sun Kim, Eun Sun Yu, Sangshin Lee, Yuna Jang, Chunkeun Jang, Sung-Hyun Jung, Ho-Kuk Jung
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE
    Publication number: 20200350501
    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: July 16, 2020
    Publication date: November 5, 2020
    Inventors: Jihyun LUI, Changwoo KIM, Dong Wan RYU, Chang Ju SHIN, Hyung Sun KIM, Seungjae LEE, Jihun SHIN, Sung-Hyun JUNG, Ho Kuk JUNG