Patents by Inventor Bum Woo Park

Bum Woo Park 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: 20200235168
    Abstract: A photoelectric diode includes a first electrode and a second electrode facing each other; a photoelectric conversion layer between the first electrode and the second electrode, and a compensation layer on the photoelectric conversion layer, the compensation layer being configured to compensate absorption and reflection of light. The photoelectric conversion layer is associated with a first optical spectrum having a light-absorption peak at a first wavelength and a reflection peak at a second wavelength, the first wavelength and the second wavelength both within a wavelength region of about 750 nm to about 1200 nm. The photoelectric diode is associated with a second optical spectrum having a light-absorption peak at a third wavelength, the third wavelength is within the wavelength region of about 750 nm to about 1200 nm, the third wavelength different from the first wavelength.
    Type: Application
    Filed: August 9, 2019
    Publication date: July 23, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Hee LEE, Takkyun RO, Dong-Seok LEEM, Ohkyu KWON, Bum Woo PARK, Hyesung CHOI
  • Publication number: 20200157120
    Abstract: A composition may include a compound, a film may include the composition, an organic layer of an organic sensor and/or photoelectric diode may include the compound, and the film, organic sensor, and/or photoelectric diode may be included in an electronic device.
    Type: Application
    Filed: August 2, 2019
    Publication date: May 21, 2020
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Ohkyu KWON, Hyesung CHOI, Dong-Seok LEEM, Hwang Suk KIM, Bum Woo PARK, Kwang Hee LEE
  • Publication number: 20200136063
    Abstract: Disclosed are a compound represented by Chemical Formula 1, a film, a photoelectric diode, an organic sensor, and an electronic device. In Chemical Formula 1, X1, X2, Y1, Y2, Ar, L1, L2, R1, R4, and n are the same as defined in the specification.
    Type: Application
    Filed: October 22, 2019
    Publication date: April 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ohkyu KWON, Hyesung CHOI, Bum Woo PARK, Hwang Suk KIM, Takkyun RO, Kwang Hee LEE, Dong-Seok LEEM
  • Patent number: 10361380
    Abstract: A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound: wherein X1 and R1 to R10 are defined as in the specification.
    Type: Grant
    Filed: September 14, 2013
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Yeon Kim, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, Ji-Youn Lee
  • Patent number: 10297756
    Abstract: An organic light-emitting diode includes a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode; a hole migration region disposed between the first electrode and the emission layer; and an electron migration region disposed between the emission layer and the second electrode, wherein the hole migration region comprises a first compound represented by Formula 1 below, and at least one of the hole migration region and the emission layer comprises a second compound represented by Formula 2 below. Substituents in Formulae 1 and 2 are the same as described in the specification.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Youn Lee, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim
  • Patent number: 10249824
    Abstract: Embodiments of the present invention are directed to a condensed-cyclic compound represented by Formula 1, and to an organic light-emitting diode including the same.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: April 2, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bum-Woo Park, Yoon-Hyun Kwak, Sun-Young Lee, Se-Jin Cho
  • Patent number: 10224487
    Abstract: An organic light-emitting device includes an emission layer including a dopant comprising a first compound represented by Formula 1 and a host comprising a second compound represented by Formula 100 wherein in Formulae 1 and 100, X1, X11, R1, R2, R4, R51 to R60, L, a, n and m are the same as defined in the present application.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Won Choi, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 10096784
    Abstract: Disclosed are a compound for an organic optoelectric device represented by Chemical Formula 1, a composition for an organic optoelectric device, an organic optoelectric device including the same, and a display device. Details of Chemical Formula 1 are the same as those defined in the specification.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: October 9, 2018
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Byungku Kim, Dong Min Kang, Jinhyun Lui, Bum Woo Park, Eun Sun Yu, Yuna Jang, Sung-Hyun Jung, Pyeongseok Cho
  • Patent number: 9997728
    Abstract: An organometallic compound may be represented by one selected from the group of Formulae 5 to 8:
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: June 12, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Won Choi, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Publication number: 20180083202
    Abstract: Disclosed are a compound for an organic optoelectric device represented by Chemical Formula 1, a composition for an organic optoelectric device, an organic optoelectric device including the same, and a display device. Details of Chemical Formula 1 are the same as those defined in the specification.
    Type: Application
    Filed: August 15, 2017
    Publication date: March 22, 2018
    Inventors: Byungku KIM, Dong Min KANG, Jinhyun LUI, Bum Woo PARK, Eun Sun YU, Yuna JANG, Sung-Hyun JUNG, Pyeongseok CHO
  • Patent number: 9893301
    Abstract: Heterocyclic compounds, synthetic methods for preparing the same, and organic light-emitting display devices comprising the same are described. The subject heterocyclic compounds may comprise an aromatic ring or a heteroaromatic ring fused with a carbazole, dibenzothiophene, or dibenzofurane derivative, the compounds featuring rigid backbone structures with high glass transition temperatures and high melting points. The subject heterocyclic compounds may exhibit high electrical stability, improved charge transport ability, high heat resistance and improved light-emitting properties when used in organic light-emitting devices. Organic light-emitting display devices prepared according to the present invention exhibit lower driving voltages, increased luminescent efficiencies and longer lifetimes.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: February 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bum-Woo Park, Yoon-Hyun Kwak, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee, Jin-Young Yun
  • Patent number: 9799839
    Abstract: An organometallic compound and an organic light-emitting diode (OLED) including the organometallic compound are provided. In exemplary embodiments, the organometallic compound is a platinum complex comprising one or two heterocyclic ligands, the heterocyclic ligands being the same or different if they are two in number, each heterocyclic ligand comprising two nitrogen heterocyclic rings connected by a single bond, one of the rings being six membered and comprising at least one nitrogen and the other ring being a 1,2-diazole or a 1,2,4-triazole ring. One or two other organic ligands may be attached to the central platinum atom in the complex. OLEDs including one of the subject platinum compounds in a light emission layer exhibit lower driving voltages, higher luminances, higher efficiencies and longer lifetimes than do comparative OLEDs built with established dopants incorporated into the light emitting layers.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: October 24, 2017
    Assignee: Samsung Diplay Co., Ltd.
    Inventors: Jong-Won Choi, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 9761808
    Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same. The heterocyclic compound represented by Formula 1 has excellent light emitting characteristics and high charge transporting capabilities.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: September 12, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 9722182
    Abstract: A heterocyclic compound represented by Formula 1 below, and an organic light-emitting device including the heterocyclic compound:
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 9691992
    Abstract: An organic light-emitting diode includes a substrate, a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, and the emission layer includes a first compound represented by Formula 1 and a second compound represented by Formula 100.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: June 27, 2017
    Assignee: Samsung Displey Co., Ltd.
    Inventors: Jong-Won Choi, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 9595683
    Abstract: Organometallic compounds and organic light-emitting devices including the same are provided. Each subject organometallic compound may be a transition metal complex comprising up to seven organic ligands including one to three ligands which are derivatives of one of 2-(pyrazole-3-yl)pyrimidine and 2-(1,2,4-triazol-3-yl)pyrimidine. Organic light-emitting devices including the subject organometallic compounds show lower driving voltages, higher luminences, higher efficiencies and better lifetime characteristics versus organic light-emitting devices including comparative organometallic complexes.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Won Choi, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 9590184
    Abstract: An organic light-emitting diode (OLED) is provided. The OLED comprises a substrate, a first electrode on the substrate, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, a hole migration region disposed between the first electrode and the emission layer, and an electron migration region disposed between the emission layer and the second electrode. The hole migration region comprises a tertiary amine having one N-substituent comprising a substituted or unsubstituted carbazole moiety and another N-substituent comprising a substituted or unsubstituted fluorene moiety. At least one of the hole migration region and the emission layer comprises a substituted or unsubstituted compound comprising at least two carbazole moieties.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Won Choi, Wha-II Choi, So-Yeon Kim, Ji-Youn Lee
  • Patent number: 9525144
    Abstract: An organic light-emitting diode includes an emission layer, a hole migration transfer region and an electron migration region between the first and the second electrodes. The organic light-emitting diode (OLED) has low driving voltages, higher luminance, higher efficiency, higher color purity and longer lifetime than a conventional OLED.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: December 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
  • Publication number: 20160293868
    Abstract: An organometallic compound may be represented by one selected from the group of Formulae 5 to 8:
    Type: Application
    Filed: June 16, 2016
    Publication date: October 6, 2016
    Inventors: Jong-Won CHOI, Yoon-Hyun KWAK, Bum-Woo PARK, Sun-Young LEE, Wha-II CHOI, So-Yeon KIM, Ji-Youn LEE
  • Patent number: 9455409
    Abstract: An amine-based compound and an organic light-emitting device including the amine-based compound are provided.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Youn Lee, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, So-Yeon Kim