Patents by Inventor Mi-yeon Lee

Mi-yeon 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).

  • Publication number: 20200333328
    Abstract: A biological environment simulating apparatus using rotational force includes a mounting unit on which a cell to be pressurized is mounted, a rotational force application unit configured to apply centripetal force to the mounting unit to make the mounting unit perform a circular movement along a circular path about a predetermined center point and a control unit. The control unit controls the rotational force application unit based on a type of the cell and an appropriate pressure condition matched with the type of the cell so that a pressure satisfying the appropriate pressure condition is applied to the cell.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventors: Seung Hee YANG, Jin Woo CHOI, Dong Ki KIM, Jung Pyo LEE, Yon Su KIM, Young Chul KIM, Hee Chan KIM, Mi Yeon YU, Sa Ram LEE
  • Publication number: 20200324621
    Abstract: A radiation heater for a vehicle includes a plurality of heating layers spaced apart from each other by a predetermined division pattern on a substrate made of an insulating material, and a pair of electrodes attached to each heating layer. In addition, the pair of electrodes include a center electrode attached to a central portion of the heating layer, and a peripheral electrode attached to a portion of the heating layer adjacent to an edge thereof. The plurality of heating layers are made of a carbon-family material or carbon-based material, and the center electrode and the peripheral electrode are also made of a carbon-family material or carbon-based material.
    Type: Application
    Filed: October 15, 2019
    Publication date: October 15, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Mi Yeon Song, Yeong Hee Lee, Sol Kim, Sang Hak Kim
  • Patent number: 10800900
    Abstract: The present invention relates to a plasticizer composition, a resin composition and a method for preparing thereof. The present invention can provide a plasticizer composition, which can improve properties required to the plasticizer composition contained in a vinyl chloride-based resin composition, such as plasticizing efficiency, tensile retention and elongation retention, volatile loss, and migration resistance, to a level equal to or better than the existing plasticizer composition, and a resin composition comprising thereof.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10804412
    Abstract: Various aspects of the present invention are directed to providing a perovskite solar cell, and has a technical feature in that excellent stability and high efficiency are simultaneously secured by using a solid solution having a specific composition as a light absorber.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: October 13, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Eun Yeong Lee, Mi Yeon Song, Sol Kim, Sang Hak Kim, Moon Jung Eo, Hyungjun Kim, Jiwon Jeon, Taedaehyeong Eom, Ki Ha Hong
  • Publication number: 20200319114
    Abstract: Disclosed herein are a hydrogel bead, a chemical sensor including the same, and an electronic product including the chemical sensor. The hydrogel bead includes at least one type of polysaccharide physically crosslinked with a cation or an anion, and a pH indicator dye.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 8, 2020
    Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Hyun Jung LEE, Soo Hyun KIM, Mi Rim HAM, Seo Yeon KIM
  • Patent number: 10785860
    Abstract: A dual frequency power-driven inductively coupled plasma torch according to an exemplary embodiment of the present invention includes: a hollow confinement tube provided with a space in which thermal plasma is formed; an induction coil that surrounds the confinement tube; and a power supply source that supplies power to the induction coil, wherein the power supply source may supply at least two powers having different frequencies to the induction coil.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: September 22, 2020
    Assignees: KOREA INSTITUTE OF MACHINERY & MATERIALS, INDUSTRIAL COOPERATION FOUNDATION OF CHONBUK NATIONAL UNIVERSITY
    Inventors: Hee-Chang Park, Dong-Won Yun, Jun-Ho Seo, Junseok Nam, Mi-Yeon Lee, Jeong-Soo Kim
  • Patent number: 10752751
    Abstract: The present invention relates to a plasticizer composition, a resin composition and a method of preparing the same, particularly, provides an environmentally-friendly plasticizer composition, which is suitable for use as an application to resins for food packaging, has excellent transparency, color and pressure-sensitive adhesion, and is capable of maintaining/improving mechanical properties such as tensile strength, an elongation rate and hardness when used as a plasticizer of the resin composition, and a resin composition including the same.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: August 25, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10756139
    Abstract: Disclosed is an organic light emitting display device including a substrate, an organic light emitting element formed on the substrate, and an encapsulation layer encapsulating the organic light emitting element, wherein the encapsulation layer has a structure in which at least two inorganic layers and at least one organic layer are alternately stacked one above another, each of the inorganic layers having a thickness of about 40 nm to about 1,000 nm and an index of refraction of about 1.41 to about 2.0, each of the organic layer having a thickness of about 0.2 ?m to about 15 ?m and an index of refraction of about 1.4 to about 1.65, the organic layer including a composition for encapsulating a display device, the composition for encapsulating a display device including a photocurable monomer and a photopolymerization initiator.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: August 25, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Patent number: 10749074
    Abstract: A light emitting diode includes: a first conductivity type semiconductor layer; a mesa including an active layer and a second conductivity type semiconductor layer, the mesa having a groove disposed under some region of the first conductivity type semiconductor layer to expose an edge of the first conductivity type semiconductor layer, the groove exposing the first conductivity type semiconductor layer; a first electrode including a first contact portion electrically connected to the first conductivity type semiconductor layer through the groove; a second electrode disposed between the first electrode and the second conductivity type semiconductor layer and electrically connected to the second conductivity type semiconductor layer; and an upper electrode pad disposed adjacent to the first conductivity type semiconductor layer and connected to the second electrode, wherein the groove has a shape surrounding a region including a center of the mesa and partially open.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: August 18, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Mi Hee Lee, Chang Yeon Kim, Ju Yong Park, Jong Kyun You, Joon Hee Lee
  • Patent number: 10731026
    Abstract: The present invention relates to a plasticizer composition and a resin composition including the same, and can provide a plasticizer composition in which three types of terephthalate-based materials and three types of cyclohexane 1,4-diester-based materials are mixed, and by which environmental friendliness can be secured, mechanical properties such as tensile strength and an elongation rate, physical properties such as migration properties and volatile loss can be improved to levels equal to or higher than those of existing products, and effects of improving processability and plasticizing efficiency can be expected, and a resin composition including the same.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: August 4, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10723863
    Abstract: The present disclosure relates to an environmentally friendly plasticizer composition suitable for use in applications such as a resin for a food wrapping material, comprising an epoxidized alkyl ester composition including one or more compounds represented by the following Chemical Formula 1 and having an iodine value (I.V.) of less than 3.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: July 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10727443
    Abstract: Provided is an organic light emitting display comprising: a substrate including a light emitting zone and a non-light emitting zone, which is positioned around the outside of the light emitting zone; at least one organic light emitting diode formed on the light emitting zone; an encapsulation layer for sealing the organic light emitting diode; and a dam formed on the non-light emitting zone, wherein the encapsulation layer includes a structure in which at least one inorganic layer and at least one organic layer are alternatingly stacked, wherein the organic layer is made from a display sealing material composition, and wherein the display sealing material composition comprises a photo-curable monomer and a photopolymerization initiator. The photo-curable monomer comprises: a monomer not having an aromatic hydrocarbon group; and a monomer, represented by chemical formula 1, having at least two substituted or non-substituted phenyl groups, wherein the photo-curable monomer comprises approximately 5 wt.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Publication number: 20200234866
    Abstract: An inductor according to one embodiment of the present invention comprised: a magnetic core; and a coil wound around the magnetic core, wherein the magnetic core includes a plurality of stacked sub-magnetic cores, each sub-magnetic core includes a first magnetic body and a second magnetic body, the first magnetic body and the second magnetic core are different materials, the second magnetic body is arranged on a surface of the first magnetic body, each sub-magnetic core has a toroidal shape, and a permeability of the first magnetic body differs from a permeability of the second magnetic body.
    Type: Application
    Filed: February 13, 2018
    Publication date: July 23, 2020
    Inventors: Mi Jin LEE, Yu Seon KIM, Seok BAE, Ji Yeon SONG, Sang Won LEE, Jong Wook LIM
  • Patent number: 10717846
    Abstract: The present invention relates to a plasticizer composition which includes an epoxidized alkyl ester composition including one or more compounds represented by the following Chemical Formula 1; and a citrate-based material, wherein a weight ratio of the epoxidized alkyl ester composition and the citrate-based material is in a range of 90:10 to 10:90:
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10700133
    Abstract: Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, two adjacent inorganic layers at least partially contact each other, and the organic layers are formed of an encapsulating composition. The encapsulating composition includes a photocurable monomer and a photopolymerization initiator. The photocurable monomer includes a monomer containing no aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups represented by Formula 1.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: June 30, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Patent number: 10696817
    Abstract: The present invention relates to a plasticizer composition, a resin composition including the same, and a method of preparing the same, the plasticizer comprising an ester-based material including di(2-ethylhexyl)isophthalate and epoxidized oil, and having a weight ratio of the di(2-ethylhexyl)isophthalate and the epoxidized oil is 60:40 to 10:90.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: June 30, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20200181362
    Abstract: Provided herein are a plasticizer composition, a resin composition, and a method of preparing the plasticizer composition. A plasticizer composition capable of enhancing poor physical properties occurring due to structural limitations and enhancing physical properties such as tensile strength, migration resistance, volatile loss, and the like, which are required when used as a plasticizer of a resin composition, and a resin composition including the same may be provided.
    Type: Application
    Filed: January 21, 2020
    Publication date: June 11, 2020
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20200181096
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: where L1 is a single bond or a substituted or unsubstituted C6-60 arylene; L2 is a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C5-60 heteroarylene, and Ar1 is one of the following Chemical Formulas 2, 3, 4, or 5: and an organic light emitting device including the same.
    Type: Application
    Filed: May 31, 2018
    Publication date: June 11, 2020
    Inventors: Junghoon YANG, Dong Hoon LEE, Jung Oh HUH, Boon Jae JANG, Dong Uk HEO, Mi Yeon HAN, Min Woo JUNG
  • Publication number: 20200176186
    Abstract: A capacitor component includes a body including a dielectric layer, and a first internal electrode and a second internal electrode disposed to oppose each other in a first direction with the dielectric layer interposed therebetween; a first external electrode and a second external electrode disposed on the body, and respectively connected to the first internal electrode; and a third external electrode and a fourth external electrode disposed on the body, and respectively connected to the second internal electrode, wherein the first and second external electrodes include a connection metal layer, a ceramic layer, a metal layer, and a plated layer, respectively, sequentially disposed on the body, wherein the plated layer is extended and disposed to contact end surfaces of the connection metal layer, the ceramic layer, and the metal layer in the first direction, respectively.
    Type: Application
    Filed: September 10, 2019
    Publication date: June 4, 2020
    Inventors: Kook Joo MOON, Mi Young KIM, Doo Yeon HWANG, Jin Kyung JOO, Ho Jun LEE, Gam Woo KIM, Chang Su KIM
  • Patent number: 10647898
    Abstract: Disclosed are an adhesive composition for polarizing plates, a polarizing plate using the same, a method for preparing the same, and an optical member including the same. The adhesive composition includes (A) a (meth)acrylic radical compound, (B) a cationic epoxy compound, (C) a phenoxy resin, and (D) a photoinitiator.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: May 12, 2020
    Assignee: Cheil Industries, Inc.
    Inventors: Mi Yeon Yu, Tae Hyun Lee, Do Heon Lee, Ik Hwan Cho, In Cheon Han