Patents by Inventor Doo Won JANG

Doo Won JANG 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: 20240177972
    Abstract: Provided is a method for etching an atomic layer. The method for etching the atomic layer includes providing a substrate to a process chamber, wherein the process chamber comprises a first chamber part and a second chamber part, and the substrate is provided in the second chamber part, generating adsorption gas plasma in the first chamber part, adsorbing radicals of the adsorption gas plasma to the substrate so as to form a treatment layer, generating etching gas plasma in the first chamber part, and allowing electrons and ions of the etching gas plasma to be alternately incident into the treatment layer so as to perform desorption of the treatment layer.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 30, 2024
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Geun Young YEOM, Chin Wook CHUNG, Yun Jong JANG, Doo San KIM, Ye Eun KIM, Hong Seong GIL, Hae In KWON, Jun Young PARK, Ji Won JUNG
  • Patent number: 9200791
    Abstract: A lighting apparatus includes a rail unit, and an electric unit that is installed on the rail unit so as to be adjustable in position. The electric unit makes contact with the rail unit and receives power from the rail unit. In the lighting apparatus according to the present invention, a plurality of electric units can be installed on a rail unit so as to be adjustable in position, and even if the position of each electric unit is changed, power can be reliably supplied from the rail unit to the electric unit. Therefore, the present invention can be effectively used as lighting for several places, for instance, a place with a comparatively large area, or a place where intensely bright lighting is required.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: December 1, 2015
    Assignee: FEELUX CO., LTD.
    Inventors: Si Chung Noh, Beom Yeon Cho, Jun Jang, Ho Bok Hong, Sang Il Gil, Ha Young Jhun, Doo Won Jang
  • Publication number: 20140112001
    Abstract: A lighting apparatus includes a rail unit, and an electric unit that is installed on the rail unit so as to be adjustable in position. The electric unit makes contact with the rail unit and receives power from the rail unit. In the lighting apparatus according to the present invention, a plurality of electric units can be installed on a rail unit so as to be adjustable in position, and even if the position of each electric unit is changed, power can be reliably supplied from the rail unit to the electric unit. Therefore, the present invention can be effectively used as lighting for several places, for instance, a place with a comparatively large area, or a place where intensely bright lighting is required.
    Type: Application
    Filed: August 23, 2013
    Publication date: April 24, 2014
    Applicant: FEELUX CO., LTD.
    Inventors: Si Chung NOH, Beom Yeon CHO, Jun JANG, Ho Bok HONG, Sang Il GIL, Ha Young JHUN, Doo Won JANG