Patents by Inventor Yeon Ahn

Yeon Ahn 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: 20210187035
    Abstract: Provided herein are a method of promoting osteogenic differentiation efficiency of a stem cell or of inducing chondrogenic differentiation of a stem cell, comprising treating the stem cell with a culture solution of chicken bone marrow-derived osteochondroprogenitor cells; a method of preventing or treating cartilage damage or a cartilage defect disease comprising administering to a subject in need thereof a composition comprising a differentiation-induced stem cell or differentiated chondrocyte made by said method as an active ingredient; and a method of preventing or treating a bone disease, cartilage damage, or a cartilage defect disease comprising administering to a subject in need thereof, a composition comprising a culture solution or culture concentrate of chicken bone marrow-derived osteochondroprogenitor cells as an active ingredient.
    Type: Application
    Filed: October 16, 2018
    Publication date: June 24, 2021
    Applicant: SEOUL NATIONAL UNIVERSITY R & DB FOUNDATION
    Inventors: Jeong Mook LIM, Ji Yeon AHN
  • Publication number: 20210180018
    Abstract: Provided is a composition capable of promoting osteogenic differentiation of stem cells, comprising, as active ingredients, a bone and cartilage progenitor cell culture solution and a multilayer graphene film, which promotes the differentiation of stem cells into specific cells, and thus is expected to be variously applicable in the in vivo/in vitro stem cell application fields.
    Type: Application
    Filed: May 14, 2019
    Publication date: June 17, 2021
    Applicants: SEOUL NATIONAL UNIVERSITY R & DB FOUNDATION, BIOGRAPHENE INC.
    Inventors: Jeong Mook LIM, Ji Yeon AHN, Jong Bo PARK, Byung Hee HONG, Woo Sub YANG
  • Publication number: 20210130864
    Abstract: This application provides methods and compositions related to constructing nucleic acid hydrogels (e.g., RNA hydrogels) having repetitive monomer units, each monomer unit includes one or more G-quadruplex sequences. These G-quadruplex sequences cross-link the nucleic acid concatemer such that it self-assembles into a hydrogel under appropriate conditions. In some embodiments, each monomeric unit of the nucleic acid concatemer comprises a coding sequence for polypeptide of interest; and the nucleic acid hydrogel formed by the nucleic acid concatemer can be used for expressing the polypeptide in high quantities. In some embodiments, at least two RNA concatemers comprising G-quadruplex sequences are produced, one further comprising a spacer and the other further comprising a sequence encoding a polypeptide of interest. These two RNA concatemers are combined and self assembled to form a single, wideband RNA hydrogel.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Inventors: So Yeon AHN, Srivithya VELLAMPATTI KRISHNAMOORTHY, Soong Ho UM, Sung OH, Seung Won SHIN
  • Patent number: 10985338
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: April 20, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Hoon Pieh, Chang Wook Han, Hong Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim
  • Publication number: 20210051926
    Abstract: The present invention relates to a method for preparing a large animal model, with peritoneal carcinomatosis, which is an abdominal cavity metastasis of tumor commonly found in advanced or recurrent solid cancer, is induced using a large animal, and the method for preparing a large animal model with peritoneal carcinomatosis comprises injecting a cancer cell line into the abdominal cavity of a piglet in which the immune function is not completed. The method for preparing a large animal model with peritoneal carcinomatosis, when a human-derived immortalized cell line is inoculated into a pig, can overcome xenograft rejection and induce peritoneal carcinomatosis, can use animals with sufficient supply and demand, and can expect the spread of peritoneal carcinomatosis through breeding.
    Type: Application
    Filed: April 11, 2020
    Publication date: February 25, 2021
    Inventors: Hee Seung KIM, Jeong Mook LIM, Ji Yeon AHN, Na Ra LEE, Eun Ji LEE, Soo Jin PARK
  • Publication number: 20210030808
    Abstract: Provided are a culture scaffold for promoting stem cell differentiation comprising a multilayer graphene film, a method of regulating growth and differentiation of a stem cell using the culture scaffold, and a method of preparing the culture scaffold, where the culture scaffold is capable of promoting the osteogenic differentiation of stem cells as a result of laminating a graphene film without comprising an additional substance, and it may be variously applicable to application fields of stem cells in/outside the body.
    Type: Application
    Filed: April 5, 2019
    Publication date: February 4, 2021
    Applicants: Seoul National University R & DB Foundation, BIOGRAPHENE INC.
    Inventors: Byung Hee HONG, Ji Yeon AHN, Jong Bo PARK, Jeong Mook LIM, Woo Sub YANG
  • Publication number: 20200411787
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Sung Hoon PIEH, Chang Wook HAN, Hong Seok CHOI, Ki-Woog SONG, So Yeon AHN, Seung Hyun KIM
  • Patent number: 10862060
    Abstract: An organic light emitting device includes a substrate, a first electrode on the substrate, a second electrode, a first stack on the first electrode and including a hole injection layer, a first hole transport layer, a first mixed layer, a second hole transport layer, a first light emitting layer, and a first electron transport layer sequentially laminated, a second stack between the first stack and the second electrode and including a third hole transport layer, a fourth hole transport layer, a second light emitting layer, and a second electron transport layer sequentially laminated, and a charge generation layer between the first stack and the second stack to control charge balance between the first and second stacks. The first mixed layer includes materials used to form the first and second hole transport layers.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: December 8, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong-Haeng Heo, Jae-Man Lee, Jeong-Kyun Shin, Gwi-Jeong Cho, So-Yeon Ahn
  • Patent number: 10818862
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: October 27, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Hoon Pieh, Chang Wook Han, Hong Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim
  • Publication number: 20200303212
    Abstract: A method for manufacturing a semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide methods for manufacturing a semiconductor device, and semiconductor devices produced thereby, that comprise forming an interposer including a reinforcement layer.
    Type: Application
    Filed: December 23, 2019
    Publication date: September 24, 2020
    Inventors: Jong Sik Paek, Doo Hyun Park, Seong Min Seo, Sung Geun Kang, Yong Song, Wang Gu Lee, Eun Young Lee, Seo Yeon Ahn, Pil Je Sung
  • Publication number: 20200288348
    Abstract: The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 10, 2020
    Inventors: Sun-Heui RYOO, Jung-Soo JUNG, Ra-Yeon AHN, Ji-Won HWANG
  • Publication number: 20200168828
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Sung Hoon PIEH, Chang Wook HAN, Hong Seok CHOI, Ki-Woog SONG, So Yeon AHN, Seung Hyun KIM
  • Patent number: 10659993
    Abstract: The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-Heui Ryoo, Jung-Soo Jung, Ra-Yeon Ahn, Ji-Won Hwang
  • Patent number: 10660036
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for performing a paging process by a base station (BS) in a wireless communication system is provided. The method includes identifying that paging for a mobile station (MS) is initiated, and transmitting a paging indicator including a first part indicating a paging identifier (ID) and a second part indicating a group in which at least one MS which needs to receive a paging message is included.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jin Lee, Jung-Soo Jung, Ra-Yeon Ahn, Ji-Won Hwang
  • Patent number: 10623993
    Abstract: The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: April 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-Heui Ryoo, Jung-Soo Jung, Ra-Yeon Ahn, Ji-Won Hwang
  • Patent number: 10616833
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for performing a paging process by a base station (BS) in a wireless communication system is provided. The method includes identifying that paging for a mobile station (MS) is initiated, and transmitting a paging indicator including a first part indicating a paging identifier (ID) and a second part indicating a group in which at least one MS which needs to receive a paging message is included.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: April 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jin Lee, Jung-Soo Jung, Ra-Yeon Ahn, Ji-Won Hwang
  • Patent number: 10586939
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: March 10, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Hoon Pieh, Chang Wook Han, Hong Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim
  • Patent number: 10515825
    Abstract: A method for manufacturing a semiconductor device and a semiconductor device produced thereby. For example and without limitation, various aspects of this disclosure provide methods for manufacturing a semiconductor device, and semiconductor devices produced thereby, that comprise forming an interposer including a reinforcement layer.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 24, 2019
    Assignee: Amkor Technology, Inc.
    Inventors: Jong Sik Paek, Doo Hyun Park, Seong Min Seo, Sung Geun Kang, Yong Song, Wang Gu Lee, Eun Young Lee, Seo Yeon Ahn, Pil Je Sung
  • Patent number: 10431776
    Abstract: A white organic light emitting diode (OLED) includes a first electrode and a second electrode facing each other; a first charge generation layer and a second charge generation layer between the first and second electrodes; a first light emitting unit including a first emitting material layer emitting a first color, wherein the first light emitting unit is located between the first electrode and the first charge generation layer; a second light emitting unit including a second emitting material layer emitting a second color, wherein the second light emitting unit is located between the first charge generation layer and the second charge generation layer; and a third light emitting unit including a third emitting material layer emitting the second color, wherein the third light emitting unit is located between the second charge generation layer and the second electrode.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: October 1, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki-Woog Song, Sung-Hoon Pieh, Seung-Ryong Joung, Tae-Il Kum, So-Yeon Ahn, Tae-Shick Kim
  • Publication number: 20190288228
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 19, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Sung Hoon PIEH, Chang Wook HAN, Hong Seok CHOI, Ki-Woog SONG, So Yeon AHN, Seung Hyun KIM