Patents by Inventor Yoo Jeong YOON

Yoo Jeong YOON 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 light emitting diode and organic light emitting device including the same
    Patent number: 11963443
    Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a first hole blocking material of an azine derivative and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.
    Type: Grant
    Filed: December 21, 2019
    Date of Patent: April 16, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: In Bum Song, Seung Hee Yoon, Gwi Jeong Cho, So Yeon Ahn, Yoo Yi Son, Tae Shick Kim
  • Amphiphilic Block Copolymer Composition With Enhanced Micelle Stability
    Publication number: 20190231689
    Abstract: A composition comprising an A-B type diblock copolymer or a B-A-B or A-B-A type triblock copolymer with enhanced micelle stability, wherein A is a hydrophilic block and B is a hydrophobic block, and a polymeric micelle composition, a drug carrier composition and a pharmaceutical composition comprising the same are provided.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 1, 2019
    Inventors: Bum Chan MIN, Bong Oh KIM, Yil Woong YI, Suk Yen KO, Gyeong Hae KIM, Hye Rim KIM, Yoo Jeong YOON, June Hee LEE, Hye Jin JANG, Ho Joon CHOI
  • PHARMACEUTICAL COMPOSITION WITH IMPROVED STORAGE STABILITY AND METHOD FOR PREPARING THE SAME
    Publication number: 20170028067
    Abstract: A pharmaceutical composition containing a specific related compound in an amount within a specified limit and a method for preparing the same are provided.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Applicant: SAMYANG BIOPHARMACEUTICALS CORPORATION
    Inventors: Bong Oh KIM, Kyu Jin KYUNG, Ji Yeong KIM, Hye Rim KIM, Bum Chan MIN, Yoo Jeong YOON, Min Hyo SEO, Yil Woong YI
  • PHARMACEUTICAL COMPOSITION WITH IMPROVED STORAGE STABILITY AND METHOD FOR PREPARING THE SAME
    Publication number: 20170027866
    Abstract: A pharmaceutical composition containing a specific related compound in an amount below the standard and a method for preparing the same are provided.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Applicant: SAMYANG BIOPHARMACEUTICALS CORPORATION
    Inventors: Bong Oh KIM, Kyu Jin KYUNG, Ji Yeong KIM, Hye Rim KIM, Bum Chan MIN, Yoo Jeong YOON, Min Hyo SEO, Yil Woong YI
  • PHARMACEUTICAL COMPOSITION WITH IMPROVED STORAGE STABILITY AND METHOD FOR PREPARING THE SAME
    Publication number: 20170028066
    Abstract: A pharmaceutical composition containing a specific related compound in an amount within a specified limit and a method for preparing the same are provided.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Applicant: SAMYANG BIOPHARMACEUTICALS CORPORATION
    Inventors: Bong Oh KIM, Kyu Jin KYUNG, Ji Yeong KIM, Hye Rim KIM, Bum Chan MIN, Yoo Jeong YOON, Min Hyo SEO, Yil Woong YI