Patents by Inventor Hye-Seung Kang

Hye-Seung Kang 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: 20240079182
    Abstract: A multilayer electronic component, in which an external electrode may include a base electrode layer disposed on a surface of a body of the multilayer electronic component and connected to internal electrodes of the body, an intermediate electrode layer disposed on a corner of the body and connected to the base electrode layer, a conductive resin layer disposed on the intermediate electrode layer, and a plating layer disposed on the conductive resin layer. The intermediate electrode layer may be in contact with the plating layer on the corner of the body to prevent an increase in ESR while preventing cracks due to mounting through the conductive resin layer.
    Type: Application
    Filed: July 19, 2023
    Publication date: March 7, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoona Park, Kangha Lee, Hye Young Choi, Dong Ha Kang, Chul Seung Lee
  • Publication number: 20230217816
    Abstract: Disclosed is a light emitting device capable of improving color purity and luminance, reducing a material driving voltage, and exhibiting a longer lifespan by changing the configuration of a green stack. The light emitting device includes a first electrode and a second electrode facing each other, and a light emitting unit including a p-type charge generation layer, a hole transport layer, and a green light emitting layer, which are sequentially stacked, wherein the green light emitting layer includes a triazine-based compound as a host and a phosphorescent dopant.
    Type: Application
    Filed: December 19, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Wook SONG, Myeong Seon CHO, Sae Mi PARK, Jung Keun KIM, Do Han KIM, Byung Soo KIM, Hye Seung KANG
  • Publication number: 20230217669
    Abstract: A light emitting device including a first electrode and a second electrode facing each other, and a first blue stack, a first charge generation layer, and a phosphorescent stack disposed between the first electrode and the second electrode. The phosphorescent stack includes a hole transport layer, a red light emitting layer, a green light emitting layer, and an electron transport layer. The red light emitting layer includes an electron transport host represented by Formula 1, a hole transport host different from the hole transport layer, and a red dopant.
    Type: Application
    Filed: December 16, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Myeong Seon CHO, Wook SONG, Sae Mi PARK, Jung Keun KIM, Do Han KIM, Byung Soo KIM, Hye Seung KANG
  • Publication number: 20220223803
    Abstract: The present disclosure relates to an organic metal compound, an organic light emitting diode and organic light emitting device having the same, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and luminous lifespan.
    Type: Application
    Filed: October 21, 2021
    Publication date: July 14, 2022
    Applicants: LG DISPLAY CO., LTD., LT Materials Co.,Ltd
    Inventors: Sung-Jin PARK, Do-Han KIM, Hye-Seung KANG, Jae-Min MOON, Yoo-Jeong JEONG, Ji-Young KIM, Seok-Hyeon YU
  • Patent number: 11380853
    Abstract: Disclosed is an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting material layer, which includes a first host, a second host and a first dopant and disposed between the first and second electrodes. The first host is represented by Formula 1, the second host may be a triazine derivative, and the first dopant may be a red, green or blue dopant.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: July 5, 2022
    Assignees: LG DISPLAY CO., LTD., HEESUNG MATERIAL CO., LTD.
    Inventors: Hye-Seung Kang, Do-Han Kim, Woo-Sam Kim, Dong-Jun Kim, Hyo-Kyun Ham, Young-Seok No
  • Publication number: 20220127288
    Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 28, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jae-Min Moon, Sung-Jin PARK, Hye-Seung KANG, Yoo-Jeong JEONG
  • Publication number: 20210313519
    Abstract: The present disclosure relates to an organic light emitting diode that comprises an organic compound in which a carbazole moiety fused with an aromatic ring and a hetero aromatic ring is linked to a triazine moiety substituted with aromatic and/or hetero aromatic groups via an aromatic linker, and at least one protium constituting the aromatic and/or hetero aromatic groups of the triazine moiety and the aromatic linker moiety is substituted with deuterium, and an organic light emitting device including the diode. The molecular conformation of the deuterium-substituted triazine moiety and the aromatic linker moiety is not deteriorated and dissolved, and therefore, the organic compound can implement luminous efficiency and luminous lifetime as an organic compound in which whole protiums are substituted with deuteriums.
    Type: Application
    Filed: September 22, 2020
    Publication date: October 7, 2021
    Applicants: LG DISPLAY CO., LTD., Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Do Han KIM, Hye Seung KANG, Kyoung Jin PARK, Chi Sik KIM, Hyun KIM
  • Publication number: 20210130382
    Abstract: The present disclosure provides an organometallic compound below and an organic light emitting diode and an organic light emitting display device including the organometallic compound.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 6, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Jun PARK, Do-Han KIM, Hye-Seung KANG, Jae-Min MOON
  • Publication number: 20210074932
    Abstract: The present disclosure relates to an organic metal compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic metal compound of the following structure. Incorporating the organic metal compound of the following structure into an emitting unit makes the OLED with improved luminous efficiency, luminous color purity and luminous lifetime.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 11, 2021
    Inventors: Hee-Jun Park, Do-Han Kim, Hye-Seung Kang
  • Publication number: 20200212312
    Abstract: Disclosed is an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting material layer, which includes a first host, a second host and a first dopant and disposed between the first and second electrodes. The first host is represented by Formula 1, the second host may be a triazine derivative, and the first dopant may be a red, green or blue dopant.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 2, 2020
    Applicants: LG Display Co., Ltd., Heesung Material Co., Ltd.
    Inventors: Hye-Seung KANG, Do-Han KIM, Woo-Sam KIM, Dong-Jun KIM, Hyo-Kyun HAM, Young-Seok NO
  • Patent number: 9431614
    Abstract: Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: August 30, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeong-Dae Seo, Chang-Wook Han, Yoon-Heung Tak, Hyo-Seok Kim, Eun-Ju Jeon, Hye-Seung Kang
  • Patent number: 9281491
    Abstract: A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: March 8, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae-Il Kum, Do-Han Kim, Young-Kwan Jung, Ki-Woog Song, Hye-Seung Kang, Hyung-June Kim
  • Patent number: 9105861
    Abstract: A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: August 11, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Kwan Jung, Tae-Il Kum, Hye-Seung Kang, Hyung-June Kim
  • Publication number: 20150188076
    Abstract: A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.
    Type: Application
    Filed: December 16, 2014
    Publication date: July 2, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Tae-Il KUM, Do-Han KIM, Young-Kwan JUNG, Ki-Woog SONG, Hye-Seung KANG, Hyung-June KIM
  • Patent number: 9065068
    Abstract: Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: June 23, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hye-Seung Kang, Tae-Il Kum, Young-Kwan Jung, Hyung-June Kim, Jung-Soo Park
  • Publication number: 20150090984
    Abstract: Disclosed is an organic light emitting display (OLED) device that may include first and second electrodes facing each other on a substrate, at least two light emitting units between the first and second electrodes, and a charge generation layer between the at least two light emitting units, the charge generation layer including an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer includes at least two hosts and a dopant, and wherein the at least two hosts have different lowest unoccupied molecular orbital (LUMO) energy levels.
    Type: Application
    Filed: September 25, 2014
    Publication date: April 2, 2015
    Inventors: Hye-Seung KANG, Tae-Il KUM, Young-Kwan JUNG, Hyung-June KIM, Jung-Soo PARK
  • Publication number: 20140117337
    Abstract: A light emitting device includes first and second electrodes facing each other on a substrate, a plurality of stacks stacked between the first and second electrodes and each including an EML so as to emit particular light, and a charge generation layer formed between the stacks so as to adjust charge balance therebetween and including an N-type charge generation layer and a P-type charge generation layer, wherein at least any one of the N-type charge generation layer and the P-type charge generation layer includes the same electron transporting material as that of an electron transport layer of one of the stacks that is adjacent to the N-type charge generation layer.
    Type: Application
    Filed: October 24, 2013
    Publication date: May 1, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Young-Kwan Jung, Tae-Il Kum, Hye-Seung Kang, Hyung-June Kim