Patents by Inventor Nansra Heo

Nansra Heo 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).

  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20200321534
    Abstract: The present specification relates to an organic electroluminescent device comprising: a first electrode; a second electrode; and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer comprises a light emitting layer and an electron transfer layer, the light emitting layer comprises a first host material, a second host material and a dopant material, the first host material has a HOMO energy level of ?5.9 eV or lower, and the second host material has a HOMO energy level higher than a HOMO energy level of the first host material by 0.1 eV to 0.2 eV.
    Type: Application
    Filed: October 13, 2017
    Publication date: October 8, 2020
    Inventors: Dongheon KIM, Kongkyeom KIM, Hyungiin LEE, Nansra HEO, Woochul LEE
  • DECORATIVE MEMBER
    Publication number: 20200290311
    Abstract: A decoration element including: a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on a surface of the color developing layer. The substrate comprises a pattern layer, and the light absorbing layer comprises an aluminum oxynitride (AlaObNc).
    Type: Application
    Filed: December 14, 2018
    Publication date: September 17, 2020
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Jin Suk Song, Pilsung Jo
  • ORGANIC LIGHT EMITTING ELEMENT
    Publication number: 20200144552
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode provided to face the anode, and one or more light emitting units provided between the anode and the cathode, wherein the organic light emitting device includes a charge generation layer provided between the anode and the one light emitting unit, or between the two light emitting units adjacent to each other among the light emitting units, the charge generation layer comprises a p-type charge injection layer, a p-type charge generation layer, or a layer which simultaneously injects and generates p-type charges, and the p-type charge injection layer, the p-type charge generation layer, or the layer which simultaneously injects and generates p-type charges has electric conductivity of 1×10?6 S/cm or more.
    Type: Application
    Filed: May 11, 2018
    Publication date: May 7, 2020
    Inventors: Dongheon KIM, Nansra HEO, Wanpyo HONG, Yeon Hwan KIM, Heungwoo CHOI, Jun YUN, Hyungjin LEE, Jae Seung HA
  • DECORATIVE MEMBER AND METHOD FOR PREPARING SAME
    Publication number: 20200114621
    Abstract: The present disclosure relates to a decoration element comprising a light reflective layer; and a light absorbing layer provided on the light reflective layer, wherein the light reflective layer has surface resistance of 20 ohm/square or less.
    Type: Application
    Filed: June 27, 2018
    Publication date: April 16, 2020
    Inventors: Yong Chan KIM, Ki Hwan KIM, Jeong Woo SHON, Song Ho JANG, Pilsung JO, Nansra HEO
  • DECORATIVE MEMBER AND METHOD FOR MANUFACTURING DECORATIVE MEMBER
    Publication number: 20190381761
    Abstract: The present disclosed relates to a decoration element and a method for preparing the decoration element. decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.
    Type: Application
    Filed: March 6, 2018
    Publication date: December 19, 2019
    Inventors: Eun Byurl CHO, Yong Chan KIM, Jeong Woo SHON, Pilsung JO, Nansra HEO, Jin Suk SONG, Sangcholl HAN, Song Ho JANG, Ki Hwan KIM
  • DECORATION MEMBER AND METHOD FOR MANUFACTURING DECORATION MEMBER
    Publication number: 20190291504
    Abstract: The disclosed relates to a decoration element and a method for preparing the decoration element. The decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 26, 2019
    Inventors: Eun Byurl CHO, Yong Chan KIM, Ki Hwan KIM, Jeong Woo SHON, Jin Suk SONG, Song Ho JANG, Pilsung JO, Sangcholl HAN, Nansra HEO
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20180123069
    Abstract: The present specification relates to an organic light emitting device.
    Type: Application
    Filed: March 17, 2017
    Publication date: May 3, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Hyungjin Lee, Dongheon Kim, Nansra Heo, Dong Hoon Lee, Wonjoon Heo, Min Woo Jung