Patents by Inventor Hye Li Min

Hye Li Min 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).

  • Patent number: 12140836
    Abstract: Discussed is a luminous body including a plurality of emission moieties, each emission moiety including an inorganic emission particle and a coating layer surrounding a surface of the inorganic emission particle, and an encapsulation moiety connected to or combined with the coating layer of the plurality of emission moieties by a covalent bond and surrounding the plurality of emission moieties.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: November 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Byung-Geol Kim, Hye-Li Min, Dong-Young Kim
  • Publication number: 20240237377
    Abstract: An organic light emitting diode and an organic light emitting display device including the same includes an anode, a cathode facing the anode, a first emitting part including a first emitting material layer and positioned between the anode and the cathode, and a second emitting part including a second emitting material layer and positioned between the anode and the first emitting part or between the cathode and the first emitting part, wherein the first emitting material layer includes a first emitting layer including a first fluorescent compound being a boron derivative and a second emitting layer including a second fluorescent compound being a boron derivative and positioned between the first emitting layer and the cathode, wherein the second emitting material layer includes a phosphorescent compound.
    Type: Application
    Filed: September 8, 2023
    Publication date: July 11, 2024
    Inventors: Hye-Li Min, In-Ae Shin, Jun-Yun Kim
  • Publication number: 20240188416
    Abstract: An organic light emitting device including: a substrate defining a first pixel region and a second pixel region; and an organic light emitting diode over the substrate. The organic light emitting diode includes a transmissive electrode, a reflective electrode facing the transmissive electrode and an emissive layer disposed between the transmissive electrode and the reflective electrode. The emissive layer includes a first emissive layer and a second emissive layer. The first emissive layer is in the first pixel region and includes: a first blue emitting material layer including a first blue fluorescent compound, and a second blue emitting material layer including a second blue fluorescent compound and a blue phosphorescent compound. The second emissive layer is in the second pixel region and includes: a first green emitting material layer including a first green delayed fluorescent compound, and a second green emitting material layer including a second green delayed fluorescent compound.
    Type: Application
    Filed: October 3, 2023
    Publication date: June 6, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: In-Ae SHIN, Kyung-Jin YOON, Hye-Li MIN, Gi-Hwan LIM, Jong-Uk KIM, Jun-Yun KIM, Joon-Beom IM
  • Publication number: 20230296939
    Abstract: Discussed is a luminous body including a plurality of emission moieties, each emission moiety including an inorganic emission particle and a coating layer surrounding a surface of the inorganic emission particle, and an encapsulation moiety connected to or combined with the coating layer of the plurality of emission moieties by a covalent bond and surrounding the plurality of emission moieties.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 21, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Byung-Geol KIM, Hye-Li MIN, Dong-Young KIM
  • Patent number: 11703711
    Abstract: The present invention provides a luminous body, and light emitting film, light emitting diode and light emitting device including the same. The luminous body can include a plurality of emission moieties each including an inorganic emission particle and a coating layer surrounding a surface of the inorganic emission particle, and an encapsulation moiety connected to the coating layer and surrounding the plurality of emission moieties. The present invention further provides a light emitting film, a liquid crystal display device, a light emitting diode package, a light emitting diode and a light emitting display device including the luminous body.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: July 18, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Byung-Geol Kim, Hye-Li Min, Dong-Young Kim
  • Publication number: 20230200235
    Abstract: An organic light emitting diode (OLED) and an organic light emitting device (such as a display device or a lighting device) comprising the OLED are described. The OLED includes a reflective electrode; a transparent electrode facing the reflective electrode; and an organic light emitting layer comprising a first emitting part and a second emitting part, positioned between the reflective electrode and the transparent electrode. The first emitting part comprises a first emitting layer and a second emitting layer, while the second emitting part comprises a third emitting layer and a fourth emitting layer. The first emitting layer is a first phosphorescent emitting layer, and the second emitting layer is a first fluorescent emitting layer. The third emitting layer can be a second phosphorescent emitting layer. The first fluorescent emitting layer is closer to the transparent electrode than the first phosphorescent emitting layer.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 22, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: In-Ae SHIN, Hye-Li MIN, Gi-Hwan LIM, Jun-Yun KIM
  • Publication number: 20230189643
    Abstract: An organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a first emitting material layer between the first and second electrodes, a first hole blocking layer between the second electrode and the first emitting material layer and a first intermediate functional layer between the first emitting material layer and the first hole blocking layer. The first emitting material layer includes a first compound, a second compound and a third compound. The first intermediate functional layer includes a first compound and a second compound. The second compound in the first intermediate functional layer has a core that is the same as the second compound in the first emitting material layer and has a higher LUMO energy level than the second compound in the first emitting material layer.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 15, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: In-Ae SHIN, Hye-Li MIN, Gi-Hwan LIM, Jun-Yun KIM
  • Publication number: 20230189541
    Abstract: An organic light emitting display device includes a substrate including first to third pixel regions; and an organic light emitting diode including a transparent electrode, a reflective electrode and a light emitting layer between the transparent electrode and the reflective electrode. The light emitting layer in the organic light emitting diode in the first pixel region includes a first emitting part including a first emitting material layer and a second emitting part including a second emitting material layer. The light emitting layer in the organic light emitting diode in the second pixel region includes a third emitting part including a third emitting material layer and fourth emitting part including a fourth emitting material layer. Each of the first and fourth emitting material layers is a fluorescent emitting layer, and each of the second and third emitting material layers is a phosphorescent emitting layer.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 15, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: In-Ae SHIN, Hye-Li MIN, Young-Ju RYU, Ji-Ae LEE, Gi-Hwan LIM, Jun-Yun KIM
  • Patent number: 11673895
    Abstract: The present disclosure relates to an organic compound having a fused aromatic or hetero aromatic ring including a carbazole or fluorene moiety and a group having excellent charge mobility property, and a light emitting diode and a light emitting device having the organic compound. The organic compound can be applied into the light emitting diode by using solution process and has very deep HOMO energy level. When the organic compound is applied into a chare transfer layer, a HOMO energy level bandgap between the charge transfer layer and an emitting material layer is reduced so that holes and electrons can be injected into the emitting material layer in a balanced manner.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 13, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Na-Yeon Lee, Hye-Li Min
  • Publication number: 20230157150
    Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and including plural delayed fluorescent materials having at least one carbazolyl moiety and BODIPY-based fluorescent material and an organic light emitting device including the OLED are discussed. The delayed fluorescent material and the fluorescent material can be included in the same emitting material layer or adjacently disposed emitting material layers. The OLED can lower its driving voltage and improve its luminous efficiency utilizing the advantages of the delayed fluorescent materials and the fluorescent material by adjusting energy levels among the delayed fluorescent materials and the fluorescent material.
    Type: Application
    Filed: October 7, 2022
    Publication date: May 18, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Hye-Li Min, In-Ae Shin, Gi-Hwan Lim, Jun-Yun Kim
  • Patent number: 11329189
    Abstract: The present disclosure relates to a light emitting diode that includes a charge control layer disposed between a charge transfer layer and one electrode and including polysiloxane-based material chemically bonded to a surface of the charge transfer layer and a light emitting device having the same. The charge control layer is configured to remove a surface defect of the charge transfer layer, to transport charges stably, and to reflect a part of light passing through the charge transfer layer, and thereby enhancing out-coupling efficiency. In addition, the charge control layer regulates a charge flow from the electrode to the charge transfer layer, so that charges may be injected into an emitting material layer in a balanced manner.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 10, 2022
    Inventors: Hye Li Min, So Mang Kim
  • Patent number: 11251389
    Abstract: A quantum dot, a quantum dot light emitting diode and a quantum dot display device are discussed. The quantum dot includes a first core including a first semiconductor material, a first shell positioned at an outer side of the first core and including a second semiconductor material, and a second core positioned between the first core and the first shell and including one of the first and second semiconductor materials and a doping metal.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: February 15, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyu-Nam Kim, Hye-Li Min, Min-Surk Hyung
  • Patent number: 11222997
    Abstract: A luminous body includes a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle; and a second moiety including silsesquioxanes connected to a second ligand connected to one of the first ligands, wherein one of the first and second ligands is a polar ligand, and the other one of the first and second ligands is a non-polar ligand.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: January 11, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Young Kim, Jong-Hoon Woo, Byung-Geol Kim, Hye-Li Min, Min-Surk Hyung
  • Patent number: 10962835
    Abstract: An inorganic composite luminescent material includes inorganic illuminants. An inorganic illuminant includes an inorganic luminescent particle configured to emit light, and a porous coating surrounding the inorganic luminescent particle. The porous coating has a plurality of pores. The inorganic composite luminescent material can further include scattering agents within at least a portion of the plurality of pores in the porous coating of the inorganic illuminants. The scattering agents are configured to scatter the light emitted from the inorganic luminescent particles.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: March 30, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hye-Li Min, Byung-Geol Kim, Dong-Young Kim
  • Patent number: 10698241
    Abstract: A liquid crystal display device includes a liquid crystal panel; and a backlight unit disposed at one side of the liquid crystal panel. The backlight unit includes a prism sheet, which comprises a base and a plurality of prism patterns arranged on the base and a binder and a silicon compound having adjacent siloxane moieties linked via a diselenide group, and a light source disposed at a lower portion of the prism sheet. In the liquid crystal display device, the prism sheet is disposed between the light source and the liquid crystal panel.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: June 30, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hye-Li Min, Jae-Hyun Park, Chang-Woo Chun
  • Publication number: 20200181157
    Abstract: The present disclosure relates to an organic compound having a fused aromatic or hetero aromatic ring including a carbazole or fluorene moiety and a group having excellent charge mobility property, and a light emitting diode and a light emitting device having the organic compound. The organic compound can be applied into the light emitting diode by using solution process and has very deep HOMO energy level. When the organic compound is applied into a chare transfer layer, a HOMO energy level bandgap between the charge transfer layer and an emitting material layer is reduced so that holes and electrons can be injected into the emitting material layer in a balanced manner.
    Type: Application
    Filed: December 4, 2019
    Publication date: June 11, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Na-Yeon LEE, Hye-Li MIN
  • Publication number: 20200168763
    Abstract: The present disclosure relates to a light emitting diode that includes a charge control layer disposed between a charge transfer layer and one electrode and including polysiloxane-based material chemically bonded to a surface of the charge transfer layer and a light emitting device having the same. The charge control layer is configured to remove a surface defect of the charge transfer layer, to transport charges stably, and to reflect a part of light passing through the charge transfer layer, and thereby enhancing out-coupling efficiency. In addition, the charge control layer regulates a charge flow from the electrode to the charge transfer layer, so that charges may be injected into an emitting material layer in a balanced manner.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 28, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Hye Li MIN, So Mang KIM
  • Publication number: 20190163016
    Abstract: The present invention provides a luminous body, and light emitting film, light emitting diode and light emitting device including the same. The luminous body can include a plurality of emission moieties each including an inorganic emission particle and a coating layer surrounding a surface of the inorganic emission particle, and an encapsulation moiety connected to the coating layer and surrounding the plurality of emission moieties. The present invention further provides a light emitting film, a liquid crystal display device, a light emitting diode package, a light emitting diode and a light emitting display device including the luminous body.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 30, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Byung-Geol KIM, Hye-Li MIN, Dong-Young KIM
  • Publication number: 20190115550
    Abstract: A quantum dot, a quantum dot light emitting diode and a quantum dot display device are discussed. The quantum dot includes a first core including a first semiconductor material, a first shell positioned at an outer side of the first core and including a second semiconductor material, and a second core positioned between the first core and the first shell and including one of the first and second semiconductor materials and a doping metal.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 18, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kyu-Nam KIM, Hye-Li MIN, Min-Surk HYUNG
  • Publication number: 20190115507
    Abstract: A luminous body includes a first moiety including a plurality of first ligands combined to a surface of an inorganic emitting particle; and a second moiety including silsesquioxanes connected to a second ligand connected to one of the first ligands, wherein one of the first and second ligands is a polar ligand, and the other one of the first and second ligands is a non-polar ligand.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 18, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Dong-Young KIM, Jong-Hoon WOO, Byung-Geol KIM, Hye-Li MIN, Min-Surk HYUNG