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).

  • Patent number: 11114629
    Abstract: A display device for reducing a stress applied to a display panel in a folded state is provided. The display device includes a display panel and a panel support portion. The display panel includes a bendable area. The panel support portion is combined to the display panel and includes a multi-joint member supporting the bendable area. The multi-joint member includes joint portions that are sequentially arranged, and a sliding member passing through the joint portions and moving inside the panel support portion. The sliding member includes a plate portion for arranging the joint portions, and a hook-shaped portion connected to a side of the plate portion and arranging the joint portions in a circular arc shape.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: September 7, 2021
    Inventors: Man Sik Myeong, Ah-Ram Lee, In Seo Kee, Han Sun Ryou, Sung Chul Choi
  • Patent number: 11114654
    Abstract: Disclosed are a negative electrode active material including lithium titanium oxide particles, wherein the lithium titanium oxide particles have an average particle diameter (D50) of 0.5-9 ?m, a specific surface area of 3-7 m2/g, and a pellet density of 1.7 g/cc or more under a pressure of 64 MPa, and a lithium secondary battery including the same.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Bo-Ram Lee, Sung-Bin Park, Ji-Young Park, Chi-Ho Jo, Jung-Min Han, Hyuck Hur, Wang-Mo Jung
  • Patent number: 11081695
    Abstract: The present invention provides a positive active material for a rechargeable lithium battery, the active material including a dopant and having a crystalline structure in which metal oxide layers (MO layers) including metals and oxygen and reversible lithium layers are repeatedly stacked, wherein in a lattice configured by oxygen atoms of the MO layers adjacent to each other, the dopant time of charge, thereby forming a lithium trap and/or lithium dumbbell structure.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: August 3, 2021
    Inventors: Sung Bin Park, Young Uk Park, Ji Young Park, Bo Ram Lee, Chi Ho Jo, Young Cheol Choi, Hyuck Hur, Wang Mo Jung
  • Publication number: 20210214667
    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: Application
    Filed: December 10, 2019
    Publication date: July 15, 2021
    Applicants: 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: 11056682
    Abstract: Provided is a positive electrode active material particle including a core that includes lithium cobalt oxide represented by the following Chemical Formula 1; and a shell that is located on the surface of the core and includes lithium cobalt phosphate represented by the following Chemical Formula 2, wherein the shell has a tetrahedral phase: LiaCo(1-x)MxO2-yAy??(1) wherein M is at least one of Ti, Mg, Zn, Si, Al, Zr, V, Mn, Nb, or Ni, A is oxygen-substitutional halogen, and 0.95?a?1.05, 0?x?0.2, 0?y?0.2, and 0?x+y?0.2, LibCoPO4??(2) wherein 0?b?1.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: July 6, 2021
    Inventors: Younguk Park, Chi Ho Jo, Bo Ram Lee, Sungbin Park, Hyuck Hur, Wang Mo Jung
  • Patent number: 11048873
    Abstract: At an electronic device, detect a first input on the touch-sensitive surface that represents selection of a first ideogram. Identify at least one attribute of the first ideogram. Select a plurality of suggested one or more characters to display, where at least a first set of suggested one or more characters is selected based on a set of selection criteria, the set of selection criteria including the identified at least one attribute of the first ideogram. Display at least the first set of suggested one or more characters. Detect a second input on the touch-sensitive surface that represents selection of the displayed first set of suggested one or more characters. In response to detecting the second input, displaying a composed electronic message, the composed electronic message including the first ideogram and the selected first set of suggested one or more characters.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: June 29, 2021
    Assignee: Apple Inc.
    Inventors: Tiffany S. Jon, Imran Chaudhri, Chanaka G. Karunamuni, Kenneth Kocienda, Giancarlo Yerkes, Woo-Ram Lee
  • Publication number: 20210181915
    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: Application
    Filed: September 29, 2020
    Publication date: June 17, 2021
    Inventors: IN-SU BAEK, GYUN SOO KIM, MIN KI KIM, AH-RAM LEE
  • Patent number: 11036104
    Abstract: A liquid crystal display (LCD) including a first pixel electrode including a first stem portion extending in a first direction, a second stem portion connected to a side of the first stem portion and extending in a second direction different from the first direction, and a third stem portion connected to the other side of the first stem portion and extending in the second direction; a first data line extending in the second direction and overlapping the second stem portion of the first pixel electrode; and a second data line extending in the second direction and overlapping the third stem portion of the first pixel electrode. The second stem portion includes a first sub-stem portion and a second sub-stem portion having different widths, and the third stem portion includes a third sub-stem portion and a fourth sub-stem portion having different widths.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Soo Bae, Jung Suk Bang, Min Jeong Oh, Bo Ram Lee, Young Je Cho
  • Patent number: 11038159
    Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery including a lithium cobalt oxide having a core-shell structure, wherein the lithium cobalt-doped oxide of the core and the lithium cobalt-doped oxide of the shell include each independently three kinds of dopants and satisfy specific conditions, a method for producing the same, and a positive electrode and a secondary battery containing the positive electrode active material.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: June 15, 2021
    Inventors: Chi Ho Jo, Sungbin Park, Jiyoung Park, Bo Ram Lee, Jungmin Han, Hyuck Hur, Wang Mo Jung
  • Patent number: 10977651
    Abstract: The present disclosure relates to making payments with a mobile device. In one example process, the mobile device receives and stores information for one or more payment accounts on the mobile device. The mobile device is used to make payments using the payment accounts. In some examples, authorization to proceed with a payment is performed before each purchase made by the user. The authorization process can include receiving a verification of the user, such as a fingerprint scan or passcode. In some examples, a payment account is selected from among available payment accounts. In some examples, an indication is displayed of a digital item associated with a purchased item. In some examples, a payment transaction is initiated with participants of an ongoing communication. In some examples, an application of a retailer is invoked based on the availability of the application. In some examples, a purchase recommendation is provided.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: April 13, 2021
    Assignee: Apple Inc.
    Inventors: Marcel Van Os, Christopher D. Adams, Charles Ahn, Pablo F. Caro, George R. Dicker, Craig M. Federighi, Woo-Ram Lee, Brian Tucker, Giancarlo Yerkes
  • Patent number: 10970931
    Abstract: Disclosed are a method for transmitting a virtual reality image, a method for reproducing a virtual reality image, and a program using the same. A method for transmitting a virtual reality image includes an operation (S120) of creating an initial image frame by a server, an operation (S140) of determining image direction data corresponding to the initial image frame, an operation (S160) of creating a final image frame by coupling the image direction data to the initial image frame as meta information; and an operation (S180) of transmitting the final image frame to a client through wireless communication.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: April 6, 2021
    Assignee: CLICKED INC.
    Inventors: Tae Wook Kim, Ha Ram Lee, Duk Young Jung
  • Publication number: 20210099025
    Abstract: A charging system for a peripheral device, such as a stylus, including orientation control. The charging system includes charging circuitry and magnets. The magnets are configured so that they attract the peripheral device to an engagement surface when it is in a first orientation relative to the engagement surface so that charging circuitry in a peripheral device portion couples with charging circuitry in a charger portion. The magnets are configured so that they also repel and rotate the peripheral device when it is in a second orientation relative to the engagement surface.
    Type: Application
    Filed: March 25, 2020
    Publication date: April 1, 2021
    Inventors: Patrick Thomas Gaule, Jazmine Ama Hoyle, Yauhen Radzikevich, Anthony James Hewett, Scott Jeffrey Korn, Ketan R. Shah, Katherine Margaret Bailey, Woo Ram Lee, Wenzhao Zhang, Nicolas Jean-Claude Schmitt, Ibrahim Iskender Kushan, Jay Michael Fassett, James Alec Ishihara
  • Publication number: 20210096715
    Abstract: A hinged mobile computing device may include a first touch screen and a second touch screen. A processor may recognize an engagement action on a virtual object displayed on one of the screens, lift the virtual object, move the virtual object in accordance with a recognized dragging action, and drop the virtual object at a target destination. Dropping the virtual object may insert the virtual object into an application program, share the virtual object to the application program or an operating system, open the virtual object in a new instance of an application program, or pin the virtual object to a predetermined location on one of the screens. In some embodiments, the virtual object may be flicked subsequent to the engagement action to share, open, or pin the virtual object.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 1, 2021
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Woo Ram LEE, Scott D. SCHENONE, Kristine Cherie SULLIVAN, Eduardo SONNINO, Joseph Harold PITT, Panos Costa PANAY, Trevor Cliff NOAH
  • Patent number: 10939547
    Abstract: A display device includes a substrate having a flat portion, a first curved portion adjacent to a side of the flat portion, and a second curved portion adjacent to a corner of the flat portion and the first curved portion, and a display unit on the substrate, the display unit including a plurality of display pieces on the second curved portion of the substrate, the display pieces being spaced apart from each other, and extending from the corner of the flat portion to an edge of the second curved portion.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ah-Ram Lee, Seong Sik Ahn
  • Publication number: 20210054561
    Abstract: Provided is an airbag capable of smoothing out a wrinkled shirt through a wind, and more particularly, to an airbag which is able to be repeatedly used even when using hot air and provided at a low cost. To this end, the airbag includes a woven cloth and a coating layer formed by coating the woven cloth with a molten resin for maintaining airtightness, and a plurality of fine air holes are punched by using heat, so that uniform fine air holes are formed, and the fine air holes are prevented from being widened by the hot air.
    Type: Application
    Filed: August 13, 2020
    Publication date: February 25, 2021
    Inventor: Bo-ram LEE
  • Patent number: 10930931
    Abstract: Provided are positive electrode active material particles for a secondary battery which include a lithium cobalt oxide, a coating layer including element A and formed on a surface of particles of the lithium cobalt oxide, and a dopant containing element B which is substituted in the lithium cobalt oxide, wherein the element A and the element B are each independently at least one selected from the group consisting of aluminum (Al), titanium (Ti), magnesium (Mg), zirconium (Zr), barium (Ba), calcium (Ca), tantalum (Ta), niobium (Nb), and molybdenum (Mo), and a molar ratio of the element A in the coating layer:the element B of the dopant is greater than 1:1 to 10:1.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: February 23, 2021
    Inventors: Chi Ho Jo, Bo Ram Lee, Sung Bin Park, Hyuck Hur, Young Uk Park, Wang Mo Jung
  • Publication number: 20210039959
    Abstract: Provided is a cobalt precursor for preparing a lithium cobalt oxide of a layered structure which is included in a positive electrode active material, wherein the cobalt precursor is cobalt oxyhydroxide (CoM?OOH) doped with, as dopants, magnesium (Mg) and M? different from the magnesium.
    Type: Application
    Filed: October 22, 2020
    Publication date: February 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Chi Ho Jo, Sungbin Park, Jiyoung Park, Bo Ram Lee, Hyuck Hur, Wang Mo Jung
  • Patent number: 10907904
    Abstract: A microchannel-type aluminum heat exchanger and a method of manufacturing the same, in which a heat-exchange tube is of a microchannel-type so as to improve the efficiency of heat exchange and the microchannel-type heat-exchange tube is wound in a coil-spring shape so as to reduce the volume thereof and the area required for installation, compared to a conventional heat exchanger, thereby improving utilization of space, and in which the heat exchanger, which is composed of the coil-spring-shaped heat-exchange tube, is not provided with a header in order to simplify the structure thereof, thereby improving productivity and economic efficiency owing to reduced manufacturing costs.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: February 2, 2021
    Assignee: SAMWON INDUSTRIAL CO., LTD.
    Inventors: Jae Il Ko, Young Bae Jang, Chang Nam Han, Ka Ram Lee, Soon Ae Park, Yong Guk Heo
  • Patent number: 10903489
    Abstract: Disclosed are a precursor for preparation of a lithium composite transition metal oxide, a method for preparing the same and a lithium composite transition metal oxide obtained from the same. More particularly, the transition metal precursor which has a composition represented by Formula 1 below and is prepared in an aqueous transition metal solution, mixed with a transition metal-containing salt, including an alkaline material, the method for preparing the same and the lithium composite transition metal oxide obtained from the same are disclosed. MnaMb(OH1-x)2-yAy??(1) wherein M is at least one selected form the group consisting of Ni, Ti, Co, Al, Cu, Fe, Mg, B, Cr, Zr, Zn and Period II transition metals; A is at least one selected form the group consisting of anions of PO4, BO3, CO3, F and NO3, and 0.5?a?1.0; 0?b?0.5; a+b=1; 0<x<1.0; and 0?y?0.02.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 26, 2021
    Inventors: Sang Min Park, Sun Sik Shin, Byung Chun Park, Hye Lim Jeon, Bo Ram Lee
  • Patent number: D918206
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: May 4, 2021
    Assignee: Microsoft Corporation
    Inventors: Patrick T. Gaule, Jazmine Ama Hoyle, Rene Woo Ram Lee