Patents by Inventor A Ram LEE

A Ram 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: 20230073433
    Abstract: A positive electrode material, a positive electrode including the same, and a lithium secondary battery including the same are disclosed herein. In some embodiments, a positive electrode material includes a first positive electrode active material having a larger average particle diameter than a second positive electrode active material, wherein the first positive electrode active material and the second positive electrode active material are each independently a lithium transition metal oxide having a molar ratio of nickel of 80 mol % or more relative to the total molar amount of transition metals in the lithium transition metal oxide, and the positive electrode material satisfies Equation (1): 0<{(B?A)/B}×100?10 ??Equation (1): wherein, in Equation (1), A denotes a particle strength of the first positive electrode active material, and B denotes a particle strength of the second positive electrode active material.
    Type: Application
    Filed: March 18, 2021
    Publication date: March 9, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Woo Ram Lee, Jun Ho Eom, Na Ri Park, Dong Ryoung Kang, Jae Geun Kim
  • Publication number: 20230074059
    Abstract: A positive electrode active material, a method for producing the same, and a positive electrode and a lithium secondary battery in including the same are disclosed herein. In some embodiments, a method of producing a positive electrode active material includes mixing a lithium transition metal oxide and a carbon-based material having a hollow structure to form a mixture, and mechanically treating the mixture to form a carbon coating layer on the surface of the lithium transition metal oxide, wherein the carbon-based material has a chain shape, and has a specific surface area of 500 m2/g or greater, a graphitization degree (ID/IG) of 1.0 or higher, and a dibutylphthalate (DBP) absorption of 300 mL/100 g or greater.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 9, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Kwak, Tae Gon Kim, Byung Chun Park, Bo Ram Lee, Tae Gu Yoo
  • Publication number: 20230070312
    Abstract: A method and an apparatus for filling a gap by using an atomic layer deposition (ALD) method are provided. The method includes forming a first reaction inhibition layer on a side wall of the gap; forming a first precursor layer by adsorbing a first reactant into a bottom of the gap and the side wall of the gap around the bottom of the gap; and forming a first atomic layer on the bottom of the gap and the side wall of the gap around the bottom of the gap by adsorbing a second reactant into the first precursor layer. The forming of the first reaction inhibition layer may include adsorbing a first reaction inhibitor into the side wall of the gap; and forming a second reaction inhibitor by removing a specific ligand from the first reaction inhibitor.
    Type: Application
    Filed: May 10, 2022
    Publication date: March 9, 2023
    Applicants: Samsung Electronics Co., Ltd., INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Eunhyoung CHO, Sunghee LEE, Jeongyub LEE, Han-Bo-Ram LEE
  • Publication number: 20230072779
    Abstract: Provided is a pump for supplying a liquid. The pump includes: a tube including a pump chamber communicating with a chemical liquid inlet and a chemical liquid outlet, and configured to discharge a chemical liquid through a change in volume due to contraction and expansion; and a driving unit contracting or expanding the tube in a longitudinal direction, in which the tube includes: a flexible tube body including a pump chamber which has an increased internal volume when is contracted in a longitudinal direction and has a decreased internal volume when is expanded in the longitudinal direction, and which has a jar shape of which a radius is increased from the chemical liquid inlet to a center of the pump chamber, and the radius is decreased from the pump chamber to the chemical liquid outlet; a first flange provided at one end of the tube body and including the chemical liquid inlet; and a second flange provided at the other end of the tube body and including the chemical liquid outlet.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventors: Young Jun SON, Byoung Doo CHOI, Sung Chul JUNG, Woo Sin JUNG, Young Un YUN, Woo Ram LEE, Ki Sang EUM
  • Publication number: 20230060309
    Abstract: Provided is a pump for supplying a liquid, the pump including: a flexible tube body including a pump chamber; first flange provided at one end of the tube body and including an inlet communicating with the pump chamber; a second flange provided at the other end of the tube body and including an outlet communicating with the pump chamber; and driving unit for transmitting rotational force to the tube body to twist the tube body.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 2, 2023
    Inventors: Young Jun SON, Byoung Doo CHOI, Woo Sin JUNG, Sung Chul JUNG, Woo Ram LEE, Ki Sang EUM, Young Un YUN
  • Publication number: 20230059519
    Abstract: Provided is a method of preparing an irreversible positive electrode additive for a secondary battery, which includes mixing Li2O, NiO, and NH4VO3 and performing thermal treatment to prepare a lithium nickel composite oxide represented by Chemical Formula 1 below, wherein the NH4VO3 is mixed in an amount of 1.5 to 6.5 parts by weight with respect to a total of 100 parts by weight of the Li2O, NiO, and NH4VO3. Li2+aNi1?b?cM1bVcO2?dAd??[Chemical Formula 1] In Chemical Formula 1, M1 is at least one selected from the group consisting of Cu, Mg, Pt, Al, Co, P, W, Zr, Nb, and B, A is at least one selected from the group consisting of F, S, Cl, and Br, and 0?a?0.2, 0?b?0.5, 0.01?c?0.065, and 0?d?0.2 are satisfied.
    Type: Application
    Filed: February 26, 2021
    Publication date: February 23, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gu Yoo, Byung Chun Park, Bo Ram Lee, Tae Gon Kim, Min Kwak, Wang Mo Jung
  • Publication number: 20230047199
    Abstract: Provided are apparatus and method for predicting biometrics using a fundus image. The method for predicting biometrics using a fundus image includes steps of preparation of a plurality of learning fundus images, generation of a learning model for predicting corresponding biometrics using the prepared data based on at least one characteristic of the fundus reflected in the prepared plurality of learning fundus images, reception of a prediction target of fundus image, and prediction of the biometrics of the subject of the prediction target of fundus image by using the generated learning model.
    Type: Application
    Filed: September 6, 2022
    Publication date: February 16, 2023
    Inventors: Jae Ryung OH, Jae Ho HAN, Yeon Woo JEONG, Bo Ram LEE
  • Publication number: 20230000950
    Abstract: A composition containing a glucagon derivative and a GLP-1 and GIP receptor dual agonist, and uses thereof are disclosed. The glucagon derivative comprises an amino acid sequence of the formula 1: X1-X2-QGTF-X7-SD-X10-S-X12-X13-X14-X15-X16-X17-X18-X19-X20-X21-F-X23-X24-WL-X27-X28-X29-X30 (Formula 1). The composition is useful in preventing or treating metabolic syndrome.
    Type: Application
    Filed: October 5, 2020
    Publication date: January 5, 2023
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jung Kuk KIM, Jong Suk LEE, A Ram LEE, Joo Young DONG
  • Patent number: 11543910
    Abstract: A display device includes: a display panel; a touch unit that overlaps the display panel; a window that overlaps the display panel and the touch unit; an optical adhesive layer disposed between the touch unit and the window; and a blocking layer disposed between the touch unit and the window and next to the optical adhesive layer. The blocking layer has a thickness that increases with increasing distance from the optical adhesive layer.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In-Su Baek, Gyun Soo Kim, Min Ki Kim, Ah-Ram Lee
  • Publication number: 20220403517
    Abstract: Provided is an apparatus for treating a substrate. The apparatus for treating the substrate includes a chamber having an inner space, a support unit configured to support the substrate in the inner space, a gas supply tube configured to supply a gas onto the substrate supported on the support unit, a gas exhaust tube configured to exhaust the gas from the inner space, and a gas block connected to the gas supply tube and the gas exhaust tube and provided above the chamber.
    Type: Application
    Filed: June 10, 2022
    Publication date: December 22, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Ki Sang EUM, Woo Ram LEE, Jong Wha KANG, Dong Woon PARK
  • Patent number: 11530377
    Abstract: The bioenvironmental simulation device according to an embodiment of the present invention includes at least one mounting unit on which cells to be measured are placed, a rotational force application unit configured to rotate the mounting unit so as to apply a rotational force to the cells to be measured placed on the mounting unit, and a culture liquid flow device through which a culture liquid flows across the mounting unit, wherein the culture liquid flows by the culture liquid flow device so as to apply a shear force to the cells to be measured.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: December 20, 2022
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, SEOUL NATIONAL UNIVERSITY HOSPITAL
    Inventors: Seung Hee Yang, Yon Su Kim, Dong Ki Kim, Sa Ram Lee, Yong Chul Kim, Mi Yeon Yu, Ji Eun Kim
  • Patent number: 11531236
    Abstract: A liquid crystal display including a first substrate on which a plurality of first pixels are defined, a first pixel electrode arranged for each of the first pixels on the first substrate, a second substrate arranged opposite the first substrate, a third substrate arranged on the second substrate and on which a plurality of second pixels are defined, a second pixel electrode arranged for each of the second pixels on the third substrate, and a fourth substrate arranged opposite the third substrate. Each of the first pixels has a first domain and each of the second pixels has a second domain, and a direction of the first domain of the first pixels and a direction of the second domain of the second pixels are different from each other.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Suk Bang, Kwang Soo Bae, Min Jeong Oh, Bo Ram Lee, Young Je Cho
  • Patent number: 11528812
    Abstract: A display device includes a front display area (FDA), side display areas (SDAs), and a corner display area (CDA). The SDAs and the CDA are disposed outside of the FDA. The SDAs include: a first SDA disposed at a first side of the FDA; and a second SDA disposed at a second side of the FDA. The CDA is disposed at a corner of the FDA between the first SDA and the second SDA. The CDA is connected to the first SDA and the second SDA. The FDA has a flat display surface. The first SDA, the second SDA, and the CDA respectively form a bent surface. A shape of the bent surface of the CDA is different from a shape of the bent surface of the first SDA and a shape of the bent surface of the second SDA. The CDA is stretchable and/or shrinkable.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: December 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Sik Ahn, Min Ki Kim, Ah-Ram Lee
  • Publication number: 20220344643
    Abstract: A method for producing a positive electrode active material includes preparing a lithium transition metal oxide in the form of a secondary particle in which primary particles are aggregated, mixing the lithium transition metal oxide and a carbon-based material of a hollow structure having a plurality of pores to form a mixture, and surface treating the mixture in a mechanical manner to form a carbon coating layer on the surface of the lithium transition metal oxide, wherein the carbon-based material of a hollow structure having a plurality of pores has a specific surface area of 200 m2/g or greater and a graphitization degree(ID/IG) of 0.5 or greater.
    Type: Application
    Filed: October 13, 2020
    Publication date: October 27, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Kwak, Tae Gon Kim, Tae Gu Yoo, Sin Young Park, Bo Ram Lee
  • Publication number: 20220328838
    Abstract: An electrode includes an electrode active material layer, wherein the electrode active material layer includes an electrode active material and a conductive agent, wherein the conductive agent includes graphene, and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, and the carbon nanotube structure is included in an amount of 0.01 wt % to 0.5 wt % in the electrode active material layer. A secondary battery including the same is also provided.
    Type: Application
    Filed: September 28, 2020
    Publication date: October 13, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Tae Gon Kim, Sin Young Park, Bo Ram Lee, Hyung Man Cho, Tae Gu Yoo, Min Kwak
  • Publication number: 20220314562
    Abstract: According to an embodiment, a contact lens includes: a vision correction lens portion positioned in a center portion of the contact lens to refract light; and a plurality of tear storage structures radially arranged from the center portion of the contact lens to store tears, wherein each of the plurality of tear storage structures includes a concave structure formed in the contact lens and having a first depth to store introduced tears. According to an embodiment, a contact lens includes: a vision correction lens portion positioned in a center portion of the contact lens to refract light; and a drug storage structure arranged apart from the center portion and configured to store a drug, wherein the drug is provided to an eye of a user wearing the contact lens.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 6, 2022
    Applicant: DAE WON PHARMACEUTICAL CO., LTD
    Inventors: Ok Chan JEONG, Du Hyung CHOI, Ah-Ram LEE, Sang-Wook PARK
  • Publication number: 20220259633
    Abstract: Provided is a method of producing monophosphoryl lipid A (MPLA). According to the method, MPLA may be produced with high purity and high purity by using a bacterium producing MPLA.
    Type: Application
    Filed: August 26, 2020
    Publication date: August 18, 2022
    Applicants: EUBIOLOGICS CO., LTD., KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chan Kyu LEE, Da Hui HA, Choon Geun LEE, Ye Ram LEE, Hak Suk CHUNG
  • Publication number: 20220250347
    Abstract: A display module includes a display panel including a first side surface, a first film disposed on the display panel, and including a second side surface, a second film disposed under the display panel, and including a third side surface, a first adhesive layer disposed between the display panel and the first film, and a second adhesive layer disposed between the display panel and the second film, wherein the first side surface of the display panel overlaps the first film and the second film, and at least a portion of the second side surface and at least a portion of the third side surface protrude more than the first side surface, in a plan view.
    Type: Application
    Filed: February 8, 2022
    Publication date: August 11, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: SEONG SIK AHN, AH-RAM LEE
  • Patent number: D962257
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: August 30, 2022
    Assignee: Apple Inc.
    Inventors: Imran Chaudhri, Jonathan P. Ive, Tiffany Jon, Woo-Ram Lee, Wan Si Wan, Christopher Wilson, Chun Kin Minor Wong
  • Patent number: D969851
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: November 15, 2022
    Assignee: Apple Inc.
    Inventors: Craig M. Federighi, Christopher Foss, Woo-Ram Lee, Stephen O. Lemay, Caelan G. Stack, Lawrence Yang