Patents by Inventor Jiwhan Kim

Jiwhan 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).

  • Publication number: 20240116955
    Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and a diagnostic composition including the heterocyclic compound as described in the detailed description.
    Type: Application
    Filed: August 28, 2023
    Publication date: April 11, 2024
    Inventors: Eunkyung LEE, Juhyun KIM, Sangmo KIM, Yusuke MARUYAMA, Yongsik JUNG, Jiwhan KIM, Youngmok Son, Sooghang Ihn, Jun CHWAE
  • Patent number: 11957044
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongwon Choi, Sukekazu Aratani, Kum Hee Lee, Banglin Lee, Hyeonho Choi, Seungyeon Kwak, Yoonhyun Kwak, Sangdong Kim, Jiwhan Kim, Chul Baik, Yongsuk Cho
  • Publication number: 20240078633
    Abstract: An image processing method includes extracting a first region in a first image by inputting the first image to a pretrained neural network, upscaling a resolution of the first region by performing neural network-based super resolution processing on the first region, and upscaling a resolution of a second region in the first image from which the first region is excluded by performing interpolation on the second region.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jiwhan KIM, Sungjoo SUH
  • Publication number: 20240074303
    Abstract: A display apparatus, including a substrate including at least one blue light-emitting unit, and a color control portion provided on the substrate and configured to control a color of a light generated at the substrate, wherein the color control portion includes a first color control element, wherein the first color control element includes a first quantum dot for green light conversion, and the at least one blue light-emitting unit of the substrate includes an emission layer, wherein the emission layer includes a host, a first dopant, and a second dopant, and wherein the display apparatus further satisfies conditions as defined herein.
    Type: Application
    Filed: February 2, 2023
    Publication date: February 29, 2024
    Inventors: Joonghyuk Kim, Taegon Kim, Shinae Jun, Hyeonho Choi, Seungyeon Kwak, Jiwhan Kim, Sunghun Lee
  • Publication number: 20240057434
    Abstract: A display apparatus including a substrate including at least one blue light-emitting unit, and a color control portion provided on the substrate and configured to control a color of a light generated at the substrate, wherein the color control portion includes a first color control element, wherein the first color control element includes a first quantum dot for a green color conversion, the at least one blue light-emitting unit includes an emission layer, wherein the emission layer includes a host, a first dopant, and a second dopant, and wherein the display apparatus further satisfies conditions as defined herein.
    Type: Application
    Filed: February 2, 2023
    Publication date: February 15, 2024
    Inventors: Joonghyuk Kim, Taegon Kim, Shinae Jun, Hyeonho Choi, Seungyeon Kwak, Jiwhan Kim, Sunghun Lee
  • Publication number: 20240040924
    Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. wherein the substituents in Formula 1 are as described in the present specification.
    Type: Application
    Filed: December 9, 2022
    Publication date: February 1, 2024
    Inventors: Sangmo KIM, Hyeonho CHOI, Yusuke MARUYAMA, Joonghee WON, Eunkyung LEE, Yongsik JUNG, Jiwhan KIM, Sungho NAM, Sooghang IHN
  • Publication number: 20240023438
    Abstract: Provided are a condensed cyclic compound represented by Formula 1, a light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device: The detailed description of Formula 1 is the same as described in the specification.
    Type: Application
    Filed: January 9, 2023
    Publication date: January 18, 2024
    Inventors: Eunkyung LEE, Yongsik JUNG, Sangmo KIM, Yusuke MARUYAMA, Jiwhan KIM, Sungho NAM, Sooghang IHN, Daun JEONG
  • Patent number: 11854159
    Abstract: An image processing method includes extracting a first region in a first image by inputting the first image to a pretrained neural network, upscaling a resolution of the first region by performing neural network-based super resolution processing on the first region, and upscaling a resolution of a second region in the first image from which the first region is excluded by performing interpolation on the second region.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jiwhan Kim, Sungjoo Suh
  • Publication number: 20230363269
    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; an interlayer arranged between the first electrode and the second electrode, wherein the interlayer comprises an emission layer; a first compound represented by Formula 1; and a second compound represented by Formula 2: wherein ring CY11 to ring CY14, ring CY23, and ring CY24 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; E1 is a group represented by Formula 1A; k1 is an integer from 1 to 5; n11 is an integer from 1 to 3; n12 is an integer from 0 to 3; X21 is N or C(R21a), X22 is N or C(R22a), X23 is N or C(R23a), and at least one of X21 to X23 is N; and the remaining substituents are as defined herein.
    Type: Application
    Filed: May 3, 2023
    Publication date: November 9, 2023
    Inventors: Jong Soo Kim, Giwook Kang, Hosuk Kang, Eunsuk Kwon, Sangmo Kim, Joonghyuk Kim, Jiwhan Kim, Sungho Nam, Eunhye An, Heechoon Ahn, Eunkyung Lee, Dongjin Jang, Daun Jeong, Yeon Sook Chung, Yongsik Jung, Byoungki Choi, Eunjeong Choi, Hyeonho Choi, Yeseul Lee, Seowon Cho
  • Patent number: 11780867
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein M, L1, L2, n1, and n2 are the same as described in the specification.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 10, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Whail Choi, Seungyeon Kwak, Jiwhan Kim, Hwayoung Cho, Hyeonho Choi, Kyuyoung Hwang, Yoonhyun Kwak, Ohyun Kwon
  • Patent number: 11778899
    Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyejin Bae, Minsik Min, Sangho Park, Soonok Jeon, Hyesung Choi, Jiwhan Kim, Sungho Nam, Youngmok Son, Hyeonho Choi
  • Publication number: 20230252283
    Abstract: A processor-implemented method with a neural network includes: generating a first intermediate vector by applying a first activation function to first nodes in a first intermediate layer adjacent to an input layer among intermediate layers of the neural network; transferring the first intermediate vector to second nodes in a second intermediate layer adjacent to an output layer among the intermediate layers; generating a second intermediate vector by applying a second activation function to the second nodes; and applying the second intermediate vector to an output layer of the neural network, wherein the second activation function is determined by a first hyperparameter of which a multiplier of the second activation function is associated with an ascending slope of the second activation function and a second hyperparameter of which the multiplier is associated with a descending slope of the second activation function to fix a peak value of the second activation function.
    Type: Application
    Filed: November 8, 2022
    Publication date: August 10, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaeyun LEE, Kiho CHO, Jiwhan KIM, Sungun PARK, Jaejoon HAN
  • Patent number: 11706983
    Abstract: An organic light-emitting device (OLED) includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode and including an electron-transporting host and a hole-transporting host, a hole transport region between the first electrode and the emission layer and including a hole transport layer, and an electron transport region between the emission layer and the second electrode and including an electron transport layer, wherein the OLED satisfies Equations 1 and 2 below: 0.75 eV?|LUMOH(ET)?LUMOH(HT)|?0.90 eV??<Equation 1> |E(S1,H(ET))?E(S1,H(HT))|<0.15 eV??<Equation 2> wherein in Equations 1 and 2, LUMOH(ET) refers to a lowest unoccupied molecular orbital (LUMO) energy level of the electron-transporting host, LUMOH(HT) refers to an LUMO energy level of the hole-transporting host, E(S1, H(ET)) refers to a singlet energy level of the electron-transporting host, and E(S1, H(HT)) refers to a singlet energy level of the hole-transporting host.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sangyeob Lee, Sangdong Kim, Jiwhan Kim, Banglin Lee, Seungyeon Kwak, Hyeonho Choi
  • Patent number: 11696458
    Abstract: An organic light-emitting device including a first electrode, a second electrode, an emission layer disposed between the first electrode and the second electrode, a hole transport region disposed between the first electrode and the emission layer, and an electron transport region disposed between the emission layer and the second electrode, wherein the emission layer includes a host and a dopant, wherein the dopant is an iridium-free organometallic compound, and wherein a dopant concentration profile of the emission layer satisfies predetermined parameters disclosed in the specification.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokhwan Hong, Seungyeon Kwak, Hyun Koo, Sangdong Kim, Sungjun Kim, Jiwhan Kim, Sunghun Lee, Sukekazu Aratani, Sunyoung Lee, Shingo Ishihara, Aram Jeon, Byoungki Choi
  • Publication number: 20230174560
    Abstract: Provided are a heterocyclic compound represented by Formula 1 below, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device: wherein, Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: May 20, 2022
    Publication date: June 8, 2023
    Inventors: Eunsuk Kwon, Sangmo KIM, Juhyun KIM, Hwang Suk KIM, Yusuke MARUYAMA, Eunkyung LEE, Yongsik JUNG, Jiwhan KIM, Sungho NAM, Youngmok SON, Daun Jeong
  • Patent number: 11672155
    Abstract: A display apparatus includes an organic light-emitting device (“OLED”) substrate which generates and emits a first light, and an encapsulation layer to which the emitted first light from the OLED substrate is incident and from which a second light is emitted. The encapsulation layer includes an inorganic material layer and an organic material layer alternately stacked with each other. The organic material layer includes a plurality of color control elements which color-convert the emitted first light incident to the encapsulation layer. The plurality of color control elements may include a first and second color control element including a first and second quantum dot with which a color of the emitted first light incident to the encapsulation layer is converted to a first and second color, respectively.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: June 6, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunghun Lee, Byoungki Choi, Seungyeon Kwak, Jiwhan Kim
  • Publication number: 20230105913
    Abstract: Provided are a condensed cyclic compound represented by one of Formulae 1 to 4, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the organic light-emitting device: Formulae 1 to 4 may respectively be understood by referring to the descriptions Formulae 1 to 4 provided herein.
    Type: Application
    Filed: April 21, 2022
    Publication date: April 6, 2023
    Inventors: Eunkyung LEE, Yongsik JUNG, Sangdong KIM, Juhyun KIM, Yusuke MARUYAMA, Sangyeon Hwang, Inkoo KIM, Jiwhan KIM, Sungho NAM, Daun JEONG
  • Publication number: 20230107430
    Abstract: Provided are a condensed cyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. The detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: April 21, 2022
    Publication date: April 6, 2023
    Inventors: Yongsik JUNG, Sangho PARK, Eunsuk KWON, Sangmo KIM, Hwang Suk KIM, Jiwhan KIM, Sungho NAM, Sooghang IHN, Soonok JEON, Kyeongsik JU
  • Publication number: 20230097701
    Abstract: An organic light-emitting device including: a first electrode and a second electrode each having a surface opposite the other; and an intermediate layer disposed between the first electrode and the second electrode, the intermediate layer including a first compound and a second compound, wherein the first compound includes a first silyl group-containing group and at least two carbazole-derived groups, wherein one carbazole-derived group of the at least two carbazole-derived groups is bonded via a N atom to another carbazole-derived group, the second compound includes a second silyl group-containing group, a triazine group, and a carbazole-derived group, and at least one of the first compound or the second compound has a triplet (T1) energy level of 2.81 eV or more.
    Type: Application
    Filed: July 8, 2022
    Publication date: March 30, 2023
    Inventors: Jong Soo KIM, Eunsuk KWON, Hwang Suk KIM, Yeon Sook CHUNG, Yongsik JUNG, Soonok JEON, Hyeongmin KIM, Heechoon AHN, Hyunah UM, Yeseul LEE, Hosuk KANG, Joonghyuk KIM, Jiwhan KIM, Sungho NAM, Sangho PARK, Youngmok SON, Sooghang IHN, Hyeonho CHOI
  • Publication number: 20230080626
    Abstract: Provided are a condensed cyclic compound represented by Formula 1, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device: wherein details of Formula 1 are the same as described in the present specification.
    Type: Application
    Filed: December 22, 2021
    Publication date: March 16, 2023
    Inventors: Keisuke KORAI, Norifumi KISHI, Wataru SOTOYAMA, Atsushi IMAMURA, Eigo MIYAZAKI, Jiwhan Kim, Juhyun Kim, Tomoya HIROSE