Patents by Inventor Sun Chang

Sun Chang 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).

  • Patent number: 10391110
    Abstract: The present invention relates to a pharmaceutical composition containing ginsenoside F1 or Rh1 for preventing or treating vascular leak syndrome, to a method for treating vascular leak syndrome using the pharmaceutical composition, and to a food composition containing ginsenoside F1 or Rh1 for preventing or ameliorating vascular leak syndrome. The ginsenoside F1 or Rh1 provided in the present invention can promote angiogenesis and suppress vascular leakage, and thus can be widely utilized in the effective prevention or treatment of vascular leak syndrome.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: August 27, 2019
    Assignee: Intelligent Synthetic Biology Center
    Inventors: Ho Min Kim, Ji In Kang, Sun Chang Kim, Chang Hao Cui
  • Publication number: 20190250468
    Abstract: A liquid crystal display device includes a first substrate; a first pixel electrode disposed on the first substrate and including a first body portion, a first sub-edge portion on a first side of the first body portion, and a second sub-edge portion, which on a second side of the first body portion; and a shield electrode on the same layer as the first pixel electrode a shield electrode on the same layer as the first pixel electrode and extending from a first side of the first sub-edge portion in a first direction. The first body portion includes a first stem portion, a second stem portion that intersects the first stem portion, and a plurality of branch portions extending from at least one of the first stem portion and the second stem portion. The first sub-edge portion is spaced apart from the branch portions and has a bent portion.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Inventors: Hak Sun CHANG, Cheol SHIN, Young Goo SONG, Seung Jun YU, Se Hyun LEE
  • Patent number: 10376530
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating Gleevec-resistant leukemia, containing, as an active ingredient, ginsenoside F1 or Rg3 which exhibits a preventive or therapeutic effect on Gleevec-resistant leukemia through enhancing cell killing activity of NK cells; a method for treating Gleevec-resistant leukemia comprising a step of administering the pharmaceutical composition; and a food composition for preventing or ameliorating Gleevec-resistant leukemia. Since the pharmaceutical composition of the present invention can effectively treat leukemia that exhibits resistance to conventional Gleevec, the pharmaceutical composition can be widely used for effective leukemia treatment.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: August 13, 2019
    Assignee: Intelligent Synthetic Biology Center
    Inventors: Sun Chang Kim, Hun Sik Kim
  • Patent number: 10363262
    Abstract: The present invention relates to a composition for wound healing or skin regeneration comprising gypenoside 75 (gypenoside LXXV) as an active ingredient.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 30, 2019
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Sun-Chang Kim, Sungjoo Park, Eun Su Ko
  • Publication number: 20190224278
    Abstract: The present invention relates to a method for preparing an antimicrobial peptide with enhanced adhesion, and an antimicrobial coating method of the antimicrobial peptide with enhanced adhesion. The antimicrobial coating method of the present invention can be widely used as a method for adding an antimicrobial property to medical products and industrial products, because the method is capable of coating the antimicrobial peptide with enhanced adhesion, which has no cytotoxicity and possesses an excellent antimicrobial activity, on various surfaces with optimal efficiency.
    Type: Application
    Filed: October 30, 2018
    Publication date: July 25, 2019
    Inventors: Sun-Chang Kim, Young Eun Hwang, Le Minh Bui
  • Publication number: 20190227355
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Inventors: Jang Wi RYU, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN, Jae-Soo JANG, Ka Eun KIM, Ho Kil OH, Se Hyun LEE, Hyo Ju JUNG, Sang Hyeon SONG, Sang Jin JEON
  • Patent number: 10345655
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: July 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
  • Patent number: 10330672
    Abstract: The present invention relates to a method for screening an activator of mitochondrial activity by using gypenoside-treated cells, to a composition for screening an activator of mitochondrial activity, comprising the gypenoside, and to a kit comprising the composition. By using the method for screening an activator of mitochondrial activity of the present invention, it is possible to effectively discover a preparation which can substantially promote the mitochondrial activity, and thus the method is expected to be widely used in developing a therapeutic agent for diseases caused by mitochondrial activity inhibition.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: June 25, 2019
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Sun Chang Kim, Chan Bae Park, Soon Jang Lee
  • Publication number: 20190171070
    Abstract: A liquid crystal display device includes a substrate, and a pixel electrode disposed on the substrate, the pixel electrode including a first stem electrode that extends in a first direction, a second stem electrode that extends in a second direction perpendicular to the first direction and intersects with the first stem electrode, a plurality of branch electrodes, the branch electrodes extending obliquely to the first direction and the second direction from the first stem electrode and the second stem electrode, a first connection electrode that connects distal ends of some of the branch electrodes to each other, extends in the first direction and intersects with the second stem electrode, and a first edge electrode that is connected to one distal end of the second stem electrode and extends in the first direction.
    Type: Application
    Filed: February 6, 2019
    Publication date: June 6, 2019
    Inventors: Se Hyun LEE, Hak Sun CHANG, Cheol SHIN
  • Patent number: 10307436
    Abstract: Provided are a food composition and a feed composition for removing amyloid plaques, each composition including ginsenoside F1, in which ginsenoside F1 is effective for removing amyloid plaques in the hippocampal area of the brain.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: June 4, 2019
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Sun Chang Kim, Jin Hee Han, Bong Hwan Park
  • Patent number: 10301654
    Abstract: Provided is a method of preparing cinnamaldehyde by using a recombinant microorganism.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: May 28, 2019
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Ki Jun Jeong, Sun Chang Kim, Hyun Bae Bang, Yoon Hyeok Lee, Suk Chae Jung
  • Patent number: 10303008
    Abstract: A display device includes a base substrate; a pixel electrode on the base substrate; a first conductive bar which is adjacent to and separated from a first edge of the pixel electrode in a top plan view, the first conductive bar disposed in a same layer as the pixel electrode; and a common electrode which overlaps the pixel electrode. In the top plan view, the first conductive bar includes: a first body which lengthwise extends along the first edge of the pixel electrode and includes an edge which faces the first edge of the pixel electrode, and a first ridge pattern and a second ridge pattern each protruding from the edge of the first body and toward the pixel electrode, the first and second ridge patterns consecutively disposed along a lengthwise direction of the first body.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheol Shin, Hak Sun Chang, Chang Il Tae
  • Patent number: 10293335
    Abstract: This invention relates to a heterogeneous catalyst represented by Rh/C3N4 configured such that a complex of a rhodium compound and 3-benzoylpyridine is immobilized on a carbon nitride support.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: May 21, 2019
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, RESEARCH BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jae Hyun Park, Jong Wook Bae, Tae Sun Chang, Beom Sik Kim
  • Patent number: 10295866
    Abstract: A liquid crystal display device includes a first substrate; a first pixel electrode disposed on the first substrate and including a first body portion, a first sub-edge portion on a first side of the first body portion, and a second sub-edge portion, which on a second side of the first body portion; and a shield electrode on the same layer as the first pixel electrode a shield electrode on the same layer as the first pixel electrode and extending from a first side of the first sub-edge portion in a first direction. The first body portion includes a first stem portion, a second stem portion that intersects the first stem portion, and a plurality of branch portions extending from at least one of the first stem portion and the second stem portion. The first sub-edge portion is spaced apart from the branch portions and has a bent portion.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hak Sun Chang, Cheol Shin, Young Goo Song, Seung Jun Yu, Se Hyun Lee
  • Patent number: 10274792
    Abstract: A liquid-crystal display device includes a substrate, a thin-film transistor (“TFT”) disposed on the substrate, an insulation film disposed on the TFT, a pixel electrode disposed on the insulation film, an expanded electrode disposed in a same layer as the pixel electrode, a connection electrode which is disposed in the same layer as the pixel electrode and connects the pixel electrode with the expanded electrode, and a shield electrode disposed in the same layer as the pixel electrode and separated from the pixel electrode, the connection electrode and the expanded electrode, where the expanded electrode is electrically connected to the TFT via a contact hole defined in the insulation film, and where the shield electrode includes a first shield portion disposed between the pixel electrode and the contact hole in a plan view, and a second shield portion other than the first shield portion.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Cheol Shin, Hak Sun Chang, Jin Ah Kim, Se Hyun Lee, Seung Min Lee, Jung Wook Lee
  • Publication number: 20190119688
    Abstract: Provided are a composition for solubilizing a target protein, including an expression cassette including a promoter and a gene encoding a fusion protein of a chaperone and an RNA-binding domain or an expression vector including the expression cassette; a transformant including the expression cassette or the expression vector; a kit including the composition or the transformant; and a method for producing the target protein by using the same.
    Type: Application
    Filed: January 31, 2018
    Publication date: April 25, 2019
    Inventors: Jun Hyoung LEE, Sun-Chang KIM, Almando Geraldi
  • Publication number: 20190119751
    Abstract: A method for determining a human subject's risk of developing acute kidney injury (AKI) from acute myocardial infarction (AMI) includes: obtaining a blood sample; determining at least two miRNA expression levels therein, which are selected from miR-23a-3p, miR-24-3p, and miR-145-5p expression levels; calculating probability of developing AKI from AMI based on the at least two miRNA expression levels and a logistic regression model; comparing the probability with a predetermined standard; and determining that the human subject is at the risk of developing AKI when the probability is higher than the predetermined standard. A composition may be administered to the human subject for inhibiting development of AKI, if any.
    Type: Application
    Filed: September 21, 2018
    Publication date: April 25, 2019
    Inventors: Pao-Hsien Chu, Yu-Sun Chang, Chia-Chun Chen, Pei-Chun Fan
  • Publication number: 20190112629
    Abstract: The present invention relates to a method for mass production of ginsenoside Rh2-Mix. The present invention includes treating PPD-Mix with an organic acid and heat to obtain Rg3-Mix and treating the obtained Rg3-Mix using a recombinant GRAS strain in the Rg3-Mix to produce Rh2-Mix, and thereby facilitates the mass production of ginsenoside Rh2-Mix using ?-glucosidase, which has been known to be difficult. Further, the present invention is advantageous in that the Rh2-Mix can be produced in high yield even at high temperatures, and mass production thereof for industrial purposes is practical as the production process is simple and more economical than direct use of an enzyme.
    Type: Application
    Filed: February 23, 2018
    Publication date: April 18, 2019
    Inventors: Sun-Chang KIM, Wan Taek IM, Chang-Hao CUI
  • Patent number: 10261379
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
  • Publication number: 20190082222
    Abstract: An apparatus for providing customized viewing includes, a processor, system memory. The system memory includes a number of modules. The modules include a first receive module, a second receive module, a first link formulating module, a second link formulating module, a selection receive module, a content aggregate module, and an aggregate send module. The first receive module receiving a first media content from an antenna for over-the-air signals or other live broadcast signals. The second receive module receiving second media content using a network interface card. The first link formulating module formulating a first link for the first media content. The second link formulating module formulating formulate a second link for the second media content. The aggregate module aggregating the first link and the second link in a hybrid channel guide. The send module sending the hybrid channel guide to a device for presentation at a graphical user interface at the device.
    Type: Application
    Filed: September 10, 2018
    Publication date: March 14, 2019
    Applicant: Telegenic, Inc.
    Inventor: Sun Chang