Patents by Inventor Jong Hyun Jung

Jong Hyun Jung 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: 20210011210
    Abstract: Provided is a circularly polarizing plate and a display device that includes the circularly polarizing plate. The circularly polarizing plate can be applied to a display device such as an organic light emitting display device to minimize blocking of light in the visible light region affecting image quality while blocking harmful ultraviolet rays appropriately and also has excellent durability.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 14, 2021
    Inventors: Sun Kug KIM, Moon Soo PARK, Sin Young KIM, Hyuk YOON, Eun Soo HUH, Jong Hyun JUNG
  • Patent number: 10804500
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance and color characteristics on the side as well as the front, and the optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sun Kug Kim, Hyuk Yoon, Moon Soo Park, Jong Hyun Jung
  • Publication number: 20200212366
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance and color characteristics on the side as well as the front, and the optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Application
    Filed: October 16, 2017
    Publication date: July 2, 2020
    Inventors: Sun Kug KIM, Sergey BELYAEV, Hyuk YOON, Moon Soo PARK, Jong Hyun JUNG
  • Publication number: 20200212367
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance and color characteristics on the side as well as the front, and the optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Application
    Filed: October 16, 2017
    Publication date: July 2, 2020
    Inventors: Sun Kug KIM, Hyuk YOON, Moon Soo PARK, Jong Hyun JUNG
  • Patent number: 10649271
    Abstract: The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: May 12, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Kyung Ki Hong, Yeong Rae Chang, Heon Kim, Kyun Il Rah, Jong Hyun Jung, Byung Sun Lee, Eung Jin Jang, Jin Yong Park, Deok Woo Park, Ji Young Kim
  • Patent number: 10634835
    Abstract: The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: April 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Kyun Il Rah, Byung Sun Lee, Jong Hyun Jung, Ji Young Kim
  • Publication number: 20190237515
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance and color characteristics on the side as well as the front, and the optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Application
    Filed: October 24, 2017
    Publication date: August 1, 2019
    Inventors: Jong Hyun JUNG, Sergey BELYAEV, Sun Kug KIM, Moon Soo PARK, Hyuk YOON
  • Patent number: 10302833
    Abstract: The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: May 28, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Kyung Ki Hong, Eung Jin Jang, Yeong Rae Chang, Heon Kim, Kyun Il Rah, Jong Hyun Jung, Byung Sun Lee, Hong Jun Choi, Moon Soo Park, Sun Kug Kim
  • Patent number: 10254457
    Abstract: There is provided a stretched laminate formed by stretching a laminate including: a non-stretched thermoplastic polyurethane film; and a non-stretched polyvinyl alcohol-based film attached to at least one surface of the thermoplastic polyurethane film, wherein the polyvinyl alcohol-based film has a thickness of 10 ?m or less after stretching. In addition, there are provided a method of manufacturing a thin polarizer using the stretched laminate, a thin polarizer manufacturing by the method, and a polarizing plate including the thin polarizer.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: April 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Hyun Nam, Jong-Hyun Jung, Kyun-Il Rah, Hye-Min Yu
  • Patent number: 10254458
    Abstract: Provided are a base film, a laminate, and a method of forming a polarizing film. Particularly, a base film which may effectively form a polarizing film having a thickness of approximately 10, 8, 7, 6, or 5 ?m or less and exhibiting excellent functions such as polarizing performance, a laminate, and a method of forming the same are provided. Therefore, a polarizing film may be formed by preventing tearing or curling during an elongation process, and easily elongating a polarizing material such as a polyvinylalcohol-based resin.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: April 9, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Se Woo Yang, Sung Hyun Nam, Yoon Tae Hwang, Jong Hyun Jung, Suk Ky Chang, Kyun Il Rah
  • Publication number: 20190025642
    Abstract: The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.
    Type: Application
    Filed: February 3, 2017
    Publication date: January 24, 2019
    Inventors: Sung Hyun NAM, Kyung Ki HONG, Yeong Rae CHANG, Heon KIM, Kyun Il RAH, Jong Hyun JUNG, Byung Sun LEE, Eung Jin JANG, Jin Yong PARK, Deok Woo PARK, Ji Young KIM
  • Publication number: 20190025487
    Abstract: The present application relates to a polarizing plate and a display device. In the present application, a polarizing plate can be provided, which can be applied to a display device comprising a highly reflective panel to solve disadvantages while maintaining advantages of the device. In the present application, a display device comprising the polarizing plate and the highly reflective panel can also be provided.
    Type: Application
    Filed: February 3, 2017
    Publication date: January 24, 2019
    Inventors: Sung Hyun NAM, Kyun Il RAH, Byung Sun LEE, Jong Hyun JUNG, Ji Young KIM
  • Patent number: 10114158
    Abstract: There is provided a stretched laminate formed by stretching a laminate including: a non-stretched high-density polyethylene film; and a non-stretched polyvinyl alcohol-based film attached to at least one surface of the high-density polyethylene film, wherein the polyvinyl alcohol-based film has a thickness of 10 ?m or less after stretching. In addition, there are provided a method of manufacturing a thin polarizer using the stretched laminate, a thin polarizer manufacturing by the method, and a polarizing plate including the thin polarizer.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: October 30, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Jong-Hyun Jung, Kyun-Il Rah, Hye-Min Yu
  • Patent number: 10081143
    Abstract: There is provided a stretched laminate having superior optical characteristics, easily separable from a base film, and usable for manufacturing a thin polarizer. In addition, there are provided a method of manufacturing a thin polarizer having superior optical characteristics by using the stretched laminate, a thin polarizer manufactured by the method, and a polarizing plate including the thin polarizer.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: September 25, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Hyun Nam, Jong-Hyun Jung, Kyun-II Rah, Hye-Min Yu
  • Patent number: 10048417
    Abstract: There is provided a method of manufacturing a thin polarizing plate including: forming a film laminate by attaching a non-stretched polyvinyl alcohol (PVA)-based film to a non-stretched base film, using attractive force therebetween or using an adhesive; stretching the film laminate; attaching a first protective film to the PVA-based film of the stretched film laminate; and separating the PVA-based film having the first protective film attached thereto from the base film.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: August 14, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Hyun Nam, Kyun-Il Rah, Jong-Hyun Jung, Hye-Min Yu
  • Patent number: 9915766
    Abstract: The present invention relates to a method of manufacturing a thin polarizer, including: forming a film laminate by attaching a polyvinyl alcohol-based film to at least one surface of a polymer film by using attraction force or an adhesive; swelling the film laminate so that a degree of swelling of the polyvinyl alcohol-based film is 0.36 to 0.44; dyeing at least one of iodine and a dichromatic dye on the film laminate; and stretching the film laminate.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: March 13, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Hyun Jung, Sung-Hyun Nam, Kyun-Il Rah
  • Publication number: 20180017724
    Abstract: The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.
    Type: Application
    Filed: February 1, 2016
    Publication date: January 18, 2018
    Inventors: Sung Hyun NAM, Kyung Ki HONG, Eung Jin JANG, Yeong Rae CHANG, Heon KIM, Kyun ll RAH, Jong Hyun JUNG, Byung Sun LEE, Hong Jun CHOI, Moon Soo PARK, Sun Kug KIM
  • Patent number: 9684104
    Abstract: There are provided a thin film polarizer having superior optical properties and a method of manufacturing the same. The thin film polarizer includes: forming a film laminate by attaching a non-stretched polyvinyl alcohol (PVA)-based film to at least one surface of a thermoplastic polyurethane film, using attractive force therebetween or using an adhesive; stretching the film laminate at a temperature of 45° C. to 55° C.; and separating the PVA-based film from the thermoplastic polyurethane film.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: June 20, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Hyun Nam, Jong-Hyun Jung, Kyun-Il Rah, Hye-Min Yu
  • Patent number: 9662865
    Abstract: Provided is a stretched laminate for manufacturing a thin polarizer while increasing the degree of orientation of a polyvinyl alcohol-iodine complex without problems such as breakage. In addition, there are provided a method of manufacturing a thin polarizer having superior optical characteristics by using the stretched laminate, a thin polarizer manufactured by the method, and a polarizing plate including the thin polarizer.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: May 30, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Jong-Hyun Jung, Kyun-Ii Rah, Hye-Min Yu, Se-Woo Yang, Yoon-Tae Hwang
  • Patent number: 9643387
    Abstract: Provided is a stretched laminate for manufacturing a thin polarizer while increasing the degree of orientation of a polyvinyl alcohol-iodine complex without problems such as breakage. In addition, there are provided a method of manufacturing a thin polarizer having superior optical characteristics by using the stretched laminate, a thin polarizer manufactured by the method, and a polarizing plate including the thin polarizer.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: May 9, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Jong-Hyun Jung, Kyun-Il Rah, Hye-Min Yu, Se-Woo Yang, Yoon-Tae Hwang