Patents by Inventor Jeong-Hak Choi

Jeong-Hak 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).

  • Coating apparatus and method of forming coating layer using the same
    Patent number: 9931663
    Abstract: A coating apparatus includes: a nozzle having a nozzle front end configured to spray a coating solution and a head configured to store the coating solution; a movement axis configured to cause the nozzle to move back and forth in a straight line; a rotating connection member configured to connect the movement axis with the nozzle and allow the nozzle to rotate; a stage disposed under the movement axis; and a cleaning means disposed at an end of the movement axis, and having a nozzle front end insertion unit in a concave shape of the nozzle front end and a base fixing the insertion unit, wherein the nozzle is fixed in a normal direction of a surface of the stage by the movement axis, moves back and forth in an extension direction of the movement axis, and rotates with respect to the movement axis.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: April 3, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Tae-Kyun Jeong, Kyong-Deuk Jeong, Jong-Ik Park, Myung-Shik Kim, Hyoung-Won Kim, Dong-Ki Shin, Jeong-Hak Choi
  • COATING APPARATUS AND METHOD OF FORMING COATING LAYER USING THE SAME
    Publication number: 20170120282
    Abstract: A coating apparatus includes: a nozzle having a nozzle front end configured to spray a coating solution and a head configured to store the coating solution; a movement axis configured to cause the nozzle to move back and forth in a straight line; a rotating connection member configured to connect the movement axis with the nozzle and allow the nozzle to rotate; a stage disposed under the movement axis; and a cleaning means disposed at an end of the movement axis, and having a nozzle front end insertion unit in a concave shape of the nozzle front end and a base fixing the insertion unit, wherein the nozzle is fixed in a normal direction of a surface of the stage by the movement axis, moves back and forth in an extension direction of the movement axis, and rotates with respect to the movement axis.
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Tae-Kyun JEONG, Kyong-Deuk JEONG, Jong-Ik PARK, Myung-Shik KIM, Hyoung-Won KIM, Dong-Ki SHIN, Jeong-Hak CHOI
  • Coating apparatus including nozzle cleaning mechanism and method of forming coating layer using the same
    Patent number: 9561521
    Abstract: A coating apparatus includes: a nozzle having a nozzle front end configured to spray a coating solution and a head configured to store the coating solution; a movement axis configured to cause the nozzle to move back and forth in a straight line; a rotating connection member configured to connect the movement axis with the nozzle and allow the nozzle to rotate; a stage disposed under the movement axis; and a cleaning means disposed at an end of the movement axis, and having a nozzle front end insertion unit in a concave shape of the nozzle front end and a base fixing the insertion unit, wherein the nozzle is fixed in a normal direction of a surface of the stage by the movement axis, moves back and forth in an extension direction of the movement axis, and rotates with respect to the movement axis.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: February 7, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Tae-Kyun Jeong, Kyong-Deuk Jeong, Jong-Ik Park, Myung-Shik Kim, Hyoung-Won Kim, Dong-Ki Shin, Jeong-Hak Choi
  • COATING APPARATUS AND METHOD OF FORMING COATING LAYER USING THE SAME
    Publication number: 20120107514
    Abstract: A coating apparatus includes: a nozzle having a nozzle front end configured to spray a coating solution and a head configured to store the coating solution; a movement axis configured to cause the nozzle to move back and forth in a straight line; a rotating connection member configured to connect the movement axis with the nozzle and allow the nozzle to rotate; a stage disposed under the movement axis; and a cleaning means disposed at an end of the movement axis, and having a nozzle front end insertion unit in a concave shape of the nozzle front end and a base fixing the insertion unit, wherein the nozzle is fixed in a normal direction of a surface of the stage by the movement axis, moves back and forth in an extension direction of the movement axis, and rotates with respect to the movement axis.
    Type: Application
    Filed: December 29, 2010
    Publication date: May 3, 2012
    Inventors: Tae-Kyun JEONG, Kyong-Deuk Jeong, Jong-Ik Park, Myung-Shik Kim, Hyoung-Won Kim, Dong-Ki Shin, Jeong-Hak Choi