Patents by Inventor Eun-Jung Lee

Eun-Jung Lee 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).

  • Epoxy resin composition for encapsulating semiconductor device and semiconductor device encapsulated with the same
    Patent number: 8928158
    Abstract: An epoxy resin composition for encapsulating a semiconductor device includes a curing agent, a curing accelerator, inorganic fillers, and an epoxy resin, the epoxy resin including a first resin represented by Formula 1: wherein R1 and R2 are each independently hydrogen or a C1 to C4 linear or branched alkyl group, and n is a value from 1 to 9 on average.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: January 6, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Seung Han, Ju Mi Kim, Sung Su Park, Eun Jung Lee
  • Organic light emitting device
    Patent number: 8916274
    Abstract: An organic light emitting device that obtains stable image qualities through prevention of any significant decrease in brightness at high temperature. The organic light emitting device includes an anode; a cathode facing the anode; an organic emitting layer interposed between the anode and the cathode; an electron transport layer interposed between the organic emitting layer and the cathode and comprising an alkali metal compound or an alkali earth metal compound; and a buffer layer interposed between the organic emitting layer and the electron transport layer.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: December 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Jung Lee, Ja-Hyun Im, Tae-Kwang Sung, Kwan-Hee Lee
  • METHOD FOR PRODUCING AN ELASTOMER USING A TRANSITION METAL CATALYST
    Publication number: 20140371414
    Abstract: The present invention relates to a method of producing an elastomer. Specifically, the method of producing an elastomer according to the present invention comprises a step of polymerizing ethylene, propylene, and optionally, a diene monomer in the presence of a catalyst composition containing a transition metal compound. The method of producing an elastomer according to the present invention makes it possible to prepare a high molecular weight, ethylene-propylene or ethylene-propylene-diene, elastic copolymer at a high temperature.
    Type: Application
    Filed: August 28, 2014
    Publication date: December 18, 2014
    Inventors: Eun-Jung LEE, Sung-Soo PARK, Beom-Doo SEO, Cheon-Il PARK, Choong-Hoon LEE, Jong-Joo HA, Jung-A LEE
  • REFRIGERATOR AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20140358287
    Abstract: A refrigerator includes a communication unit to receive a list of food purchased by a user from a food server; a control unit to read information with respect to food on the received list of food, and identify a representative image that represents the food based on the read information; a display unit to display the received list of food such that the food on the list of food is displayed as the representative image that represents the food; and a storage unit to store the read information. Accordingly, a design effect is enhanced by expressing the information of the purchased food as a representative image and by displaying additional information of the representative image. In addition, the information with respect to the purchased food is easily stored at a refrigerator, and the information with respect to new products is easily and quickly obtained, thus a user convenience is enhanced.
    Type: Application
    Filed: May 27, 2014
    Publication date: December 4, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Jung LEE, Kyung Woo Ko, You Na Park
  • Olefin-based polymer and preparation method thereof
    Patent number: 8901267
    Abstract: The present invention relates to an olefin-based polymer which exhibits superior processability and superior adhesive properties and therefore is desirably applicable to a hot-melt adhesive (HMA) or the like, and a preparation method thereof. The olefin-based polymer has a molecular weight distribution (Mw/Mn, PDI) of 2˜3, and a density of 0.85 to 0.88 g/cm3, and satisfies the relation of Tc?Tm>0, wherein Tc (° C.) is a crystallization temperature and Tm (° C.) is a melting point.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: December 2, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Don-Ho Kum, Eun-Jung Lee, Jong-Joo Ha, Choong-Hoon Lee
  • SYSTEM FOR PREDICTING THICKNESS OF BATTERY AND METHOD FOR PREDICTING THICKNESS OF BATTERY
    Publication number: 20140351177
    Abstract: A system for predicting the thickness of a battery is disclosed. In one aspect, the battery thickness predicting system includes a learning data input unit for receiving data on a previously manufactured battery. The thickness predicting system further includes an object data input unit for receiving data on a battery whose thickness is to be predicted. The system further comprises a mechanical learning unit connected to the learning data input unit to obtain a predicting function based on learning factors input to the learning data input unit and to provide weight values to the learning factors, respectively. The system further includes a thickness predicting unit connected to the object data input unit and the mechanical learning unit and using the weight values provided by the mechanical learning unit in order to predict the thickness of the battery whose thickness is to be predicted.
    Type: Application
    Filed: December 5, 2013
    Publication date: November 27, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: No-Kap Park, Ho-Yul Baek, Seung Bum Suh, Jeong-Soon Shin, Cheol-Ho Park, Hee-Kwan Chai, Young-Hwa Ko, Kyeong-Beom Cheong, Eun-Jung Lee
  • Mutant of propionyl-CoA transferase from and preparing method for PLA or PLA copolymer using the same
    Patent number: 8883476
    Abstract: Provided is a mutant of propionyl-CoA transferase from Clostridium propionicum that can convert lactate into lactyl-CoA with high efficiency in a method of preparing a polylactate (PLA) or PLA copolymer using microorganisms. Unlike conventional propionyl-CoA transferase which is weakly expressed in E. coli, when a mutant of propiony-CoA transferase from Clostridium propionicum is introduced into recombinant E. coli, lactyl-CoA can be supplied very smoothly, thereby enabling highly efficient preparation of polylactate (PLA) and PLA copolymer.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: November 11, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Si Jae Park, Taek Ho Yang, Hye Ok Kang, Sang Hyun Lee, Eun Jung Lee, Tae Wan Kim
  • LOW FAT MAYONNAISE COMPOSITION AND METHOD OF PRODUCING THE SAME
    Publication number: 20140234521
    Abstract: Provided are a low fat mayonnaise composition to which cellulose ether is applied, and a method of producing the same, in which the low fat mayonnaise composition includes 50 wt % or less of an emulsion with respect to the total weight of the composition, and cellulose ether and an excipient as a fat substitute. Therefore, with the mayonnaise composition, low fat mayonnaise which includes an oil and fat content of ½ or less may be produced from only a vegetable material having phase stability at various temperatures without using eggs which may lead to an allergy and may serve as a primary source of increasing cholesterol.
    Type: Application
    Filed: November 5, 2012
    Publication date: August 21, 2014
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD
    Inventors: Eun Ji Lim, Eun Jung Lee, Hyon Ho Baek, Hyun Woo Lee
  • Semiconductor devices comprising a plurality of gate structures
    Patent number: 8809146
    Abstract: Methods for forming semiconductor memory structures including a gap between adjacent gate structures are provided. The methods may include forming an insulation layer between the adjacent gate structures. In some embodiments, the methods may include subsequently removing a portion of the insulation layer to leave the gap between the adjacent gate structures.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daewoong Kang, Sungnam Chang, JinJoo Kim, Kyongjoo Lee, Eun-Jung Lee
  • NANOHAIR STRUCTURE AND AN APPLICATION THEREFOR
    Publication number: 20140209475
    Abstract: There is provided a nanohair structure with the nanowires exposed on a nanotemplate; the method thereof; and a three-dimensional nanostructure-based sensor with ultra-sensitivity and greatly increased three-dimensional surface-to-volume ratio which immobilizes bio-nanoparticles to the nanohair structure and arranges antibodies to the nano surface with the controlled orientation by physical interaction.
    Type: Application
    Filed: February 25, 2014
    Publication date: July 31, 2014
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Young Keun KIM, Jee-Won LEE, Jin-Seung PARK, Moon Kyu CHO, Eun Jung LEE
  • EPOXY RESIN COMPOSITION FOR ENCAPSULATION OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE ENCAPSULATED USING THE SAME
    Publication number: 20140179833
    Abstract: A epoxy resin composition includes an epoxy resin including repeat units represented by Formulae 1 and 2; a curing agent; a curing accelerator; and an inorganic filler,
    Type: Application
    Filed: December 23, 2013
    Publication date: June 26, 2014
    Inventors: Eun Jung LEE, Jong Sung KIM, Do Won JUNG
  • EPOXY RESIN COMPOSITION FOR ENCAPSULATION OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE ENCAPSULATED USING THE SAME
    Publication number: 20140179834
    Abstract: An epoxy resin composition includes an epoxy resin including repeat units represented by Formulae 1 and 2; a curing agent; a curing accelerator; and an inorganic filler,
    Type: Application
    Filed: December 23, 2013
    Publication date: June 26, 2014
    Inventors: Seung HAN, Eun Jung LEE, Jong Sung KIM
  • Long chain-branched ethylene-alpha olefin copolymer
    Patent number: 8759466
    Abstract: The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 24, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Choong-Hoon Lee, Byung-Kwon Lim, Eun-Jung Lee, Jong-Joo Ha, Seung-Whan Jung, Jung-A Lee, Ki-Su Ro, Don-Ho Kum, Dong-Kyu Park
  • Long chain-branched ethylene-alpha olefin copolymer
    Patent number: 8742049
    Abstract: The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 3, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Choong-Hoon Lee, Byung-Kwon Lim, Eun-Jung Lee, Jong-Joo Ha, Seung-Whan Jung, Jung-A Lee, Ki-Su Ro, Don-Ho Kum, Dong-Kyu Park
  • Method for manufacturing a porous ceramic scaffold having an organic/inorganic hybrid coating layer containing a bioactive factor
    Patent number: 8734831
    Abstract: A method for manufacturing a porous ceramic scaffold having an organic/inorganic hybrid coating layer containing a bioactive factor includes (a) forming a porous ceramic scaffold; (b) mixing a silica xerogel and a physiologically active organic substance in a volumetric ratio ranging from 30:70 to 90:10 and treating by a sol gel method to prepare an organic/inorganic hybrid composite solution; (c) adding a bioactive factor to the organic/inorganic hybrid composite solution and agitating until gelation occurs; and (d) coating the porous ceramic scaffold with the organic/inorganic composite containing the bioactive factor added thereto. In accordance with the method, the porous ceramic scaffold may be uniformly coated with the organic/inorganic hybrid composite while maintaining an open pore structure, and stably discharge the bioactive factor over a long period of time.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: May 27, 2014
    Assignee: SNU R&DB Foundation
    Inventors: Hyoun-Ee Kim, Shin-Hee Jun, Eun-Jung Lee
  • Catalyst composition and process for preparing olefin polymer using the same
    Patent number: 8735312
    Abstract: The present invention relates to a catalyst composition and a process for preparing an olefin polymer using the same. More specifically, the present invention relates to a novel catalyst composition comprising at least two types of catalysts and a process for preparing an olefin polymer having excellent heat resistance using the same. The present invention can provide an olefin polymer having excellent activity and high heat resistance, and also can control the values of density, heat resistance and melt index (MI) of the olefin polymer.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: May 27, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Kyung-Seop Noh, Hoon Chae, Cheon-Il Park, Won-Hee Kim, Sang-Jin Jeon, Eun-Jung Lee, Choong-Hoon Lee, Jong-Joo Ha
  • PROCESSED MEAT PRODUCT WITHOUT ADDED PHOSPHATE, AND METHOD OF PRODUCING SAME
    Publication number: 20140134319
    Abstract: The present invention relates to a processed meat product (sausage and ham) having no added phosphate, which is a harmful ingredient to humans and is used in processes for producing processed meat products, and to a method for producing same. According to the present invention, the pH of ground raw meat is raised to increase the water retention thereof, and a basic pH control agent, alone or combined with a hydrocolloid, is used as a substituting means for phosphate in order to improve syneresis and texture. According to the present invention, a processed meat product having added phosphate may be provided having improved quality without including phosphate.
    Type: Application
    Filed: July 31, 2012
    Publication date: May 15, 2014
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD
    Inventors: Kwang Nam Ko, Eun Jung Lee, Hyon Ho Baek, Min Gyu Song, Jyung Hee Jeon, Yu Ri Jung, Kyung Hee Cho, Eun Ji Lim
  • USE OF PROTEIN NANOPARTICLE BASED HYDROGEL
    Publication number: 20140134601
    Abstract: The present invention relates to a use of a protein nanoparticle-based hydrogel, and more particularly, to a use of a protein nanoparticle-based hydrogel capable of highly sensitive and simultaneous multi-detection of disease markers by using a hydrogel to which a protein nanoparticle representing a disease marker detection probe is immobilized.
    Type: Application
    Filed: July 10, 2013
    Publication date: May 15, 2014
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jee Won LEE, Eun Jung LEE, Jong Hwan LEE
  • Mixed metallocene catalyst composition and method for preparing polyolefin using the same
    Patent number: 8716414
    Abstract: The present invention relates to a mixed metallocene catalyst composition including a first metallocene catalyst and a second metallocene catalyst, and a method for preparing a polyolefin using the catalyst composition. According to the catalyst composition and the preparation method, provided is a polyolefin having a wide molecular weight distribution and superior mechanical properties and processability.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: May 6, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jong-Joo Ha, Choong-Hoon Lee, Don-Ho Kum, Eun-Jung Lee, Beom-Doo Seo
  • Apparatus and method for synchronizing and sharing virtual character
    Patent number: 8687005
    Abstract: An apparatus and method for synchronizing and sharing a virtual character are provided. The method includes generating a virtual character, synchronizing content in a predetermined form with the generated virtual character; converting the virtual character into an extensible markup language (XML)-based file and storing the XML-based file.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: April 1, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Jung Lee, KiranPal Sagoo, In-Sik Myung