Patents by Inventor Hyun Song Park

Hyun Song Park 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: 20240415017
    Abstract: The present disclosure relates to an organic electroluminescent device comprising a compound represented by formula 1, and can provide an organic electroluminescent device having a plurality of light-emitting layers, which is superior in driving voltage, luminous efficiency, external quantum efficiency, and/or color coordinate properties as compared to the conventional organic electroluminescent device.
    Type: Application
    Filed: August 9, 2024
    Publication date: December 12, 2024
    Inventors: Yoo-Jin DOH, Kyoung-Jin PARK, Chi-Sik KIM, Jeong-Eun YANG, Ji-Song JUN, Hyun KIM, Hyo-Jung LEE, Hyun-Ju KANG
  • Pressure-sensitive adhesive composition, pressure-sensitive adhesive layer comprising same, and foldable display including same pressure-sensitive adhesive layer
    Patent number: 12037518
    Abstract: Provided are an adhesive composition, an adhesive layer comprising the same and a foldable display comprising the same.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: July 16, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Hee Song, Hyon Gyu Park, Hyun Cheol Kim
  • Front face of a confectionery package
    Patent number: D380146
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: June 24, 1997
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park
  • Portion of wrapping paper of confectionery product
    Patent number: D381896
    Type: Grant
    Filed: January 17, 1996
    Date of Patent: August 5, 1997
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park
  • Package for chocolate- and almond-covered pretzel sticks
    Patent number: D382477
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: August 19, 1997
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park
  • Package for biscuit sticks
    Patent number: D382478
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: August 19, 1997
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park
  • Flexible wrapper
    Patent number: D386671
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: November 25, 1997
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park
  • Package for confectionary sticks
    Patent number: D392885
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: March 31, 1998
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park
  • Portion of wrapping paper for confectionery product
    Patent number: D402195
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: December 8, 1998
    Assignee: Lotte Confectionery Co., Ltd.
    Inventor: Hyun Song Park