Patents by Inventor Jun Oh CHOI

Jun Oh CHOI 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: 11996559
    Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1-x-y-z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025,??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder (220).
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: May 28, 2024
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Jung Han Lee, Seung Woo Choi, Moon Ho Choi, Jun Won Suh, Jin Kyeong Yun, Mi Hye Yun, Kwang Seok Choi, Joong Ho Bae, Jin Oh Son
  • Patent number: 11930670
    Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 12, 2024
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Sang Woo Sohn, Saeroonter Oh, Joon Seok Park, Young Joon Choi, Su Hyun Kim, Jun Hyung Lim
  • Patent number: 9981872
    Abstract: A single layered smart window may include a substrate; and a single layered coating formed on the substrate, wherein the coating includes a composite of a vanadium oxide and a low reflective material. The single layered smart window has high visible light transmittance and is capable of blocking infrared ray as a temperature is increased.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: May 29, 2018
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Kyung Hyun Ko, Jun Oh Choi
  • Publication number: 20170158554
    Abstract: A single layered smart window may include a substrate; and a single layered coating formed on the substrate, wherein the coating includes a composite of a vanadium oxide and a low reflective material. The single layered smart window has high visible light transmittance and is capable of blocking infrared ray as a temperature is increased.
    Type: Application
    Filed: December 5, 2016
    Publication date: June 8, 2017
    Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUN DATION
    Inventors: Kyung Hyun KO, Jun Oh CHOI