Patents by Inventor Jieun Song

Jieun Song 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: 20210151833
    Abstract: A separator including a porous base and a coating layer on at least one surface of the porous base, the coating layer including (a) a carbon nanotube including an oxygen functional group and (b) a lithium ion conducting polymer, and a lithium-sulfur battery including the same. Such a separator may be capable of resolving problems caused by lithium polysulfide occurring in a lithium-sulfur battery.
    Type: Application
    Filed: October 11, 2018
    Publication date: May 20, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jieun SONG, Doo Kyung YANG, Seungbo YANG
  • Publication number: 20210133585
    Abstract: An apparatus is for unsupervised domain adaptation for allowing a deep learning model with supervised learning on a source domain completed to be subjected to unsupervised domain adaptation to a target domain. The apparatus includes a first learning unit to perform a forward pass by inputting a pair (xsi, ysi) of first data xsi of the source domain and a label ysi for each of the first data and second data xTj belonging to the target domain, and insert a dropout following a Bernoulli distribution into the deep learning model in performing the forward pass, and a second learning unit to perform a back propagation to minimize uncertainty about the learning parameter of the deep learning model by using a predicted value for each class output through the forward pass and the label ysi, and an uncertainty vector for the second data xTj output through the forward pass as inputs.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 6, 2021
    Inventors: JoonHo LEE, Minyoung LEE, Joonseok LEE, JiEun SONG, Sooah CHO
  • Publication number: 20200411845
    Abstract: A negative electrode for a lithium secondary battery including a lithium metal layer and a carbon-based layer on at least one surface of the lithium metal layer, the carbon-based layer including porous carbon materials aligned in one direction and oriented horizontally with reference to the lithium metal layer and a lithium secondary battery including the same.
    Type: Application
    Filed: September 5, 2019
    Publication date: December 31, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Da Young KANG, Jieun SONG
  • Publication number: 20200401841
    Abstract: A glaucoma diagnosis apparatus according to an embodiment includes a fundus image processor configured to receive a fundus image and extract a first region of interest (ROI) and a second ROI from the received fundus image, an image classification neural network configured to learn the extracted first ROI and perform classification into a normal fundus image and a glaucoma fundus image on the basis of the learned first ROI, a vertical cup-to-disc ratio (vCDR) calculator configured to recognize an optic disc (OD) and an optic cup (OC) from the extracted second ROI and calculate a vCDR, and a determinator configured to aggregate a vCDR calculation result and an image classification result of the image classification neural network to determine whether glaucoma is present in the fundus image.
    Type: Application
    Filed: October 26, 2019
    Publication date: December 24, 2020
    Inventors: JoonSeok Lee, JoonHo Lee, MinYoung Lee, JiEun Song, SooAh Cho
  • Publication number: 20200395586
    Abstract: A separator for a lithium-sulfur battery and a lithium-sulfur battery including the same is provided. More particularly, a separator for a lithium-sulfur battery including a porous substrate; and a coating layer present on at least one surface of the porous substrate, wherein the coating layer includes a polymer and a graphitic carbon-based compound, wherein the polymer includes a main chain with a functional group having a non-covalent electron pair present in the main chain and a side chain with an aromatic hydrocarbon group present in the side chain.
    Type: Application
    Filed: May 8, 2019
    Publication date: December 17, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Kihyun KIM, Seungbo YANG, Jieun SONG, Dongseok SHIN, Doo Kyung YANG, Soohyun KIM
  • Publication number: 20200388809
    Abstract: A separator in which at least one surface of a porous base is coated with a coating layer including partially-reduced graphene oxide and a lithium ion conducting polymer, and thereby capable of resolving problems caused by lithium polysulfide occurring in a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Application
    Filed: October 8, 2018
    Publication date: December 10, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jieun SONG, Kwonnam SOHN, Doo Kyung YANG
  • Patent number: 10840541
    Abstract: A method for pretreating a lithium electrode, and a lithium metal battery, and in particular, a method for stabilizing a lithium electrode through pretreatment of being immersed in a composition for forming a solid electrolyte interphase, and a lithium metal battery including such a lithium electrode. Effects of decreasing interfacial resistance and enhancing Li charge and discharge efficiency are obtained when forming a solid electrolyte interphase (SEI) on a lithium electrode in advance using a pretreatment process of the lithium electrode, and then using the SEI layer-formed lithium electrode in a lithium metal battery.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 17, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jieun Song, Doo Kyung Yang
  • Publication number: 20200328394
    Abstract: A separator capable of simultaneously solving the problems caused by lithium polysulfides and lithium dendrites generated in a conventional lithium-sulfur battery wherein the separator includes a porous substrate alternately laminated with a graphene oxide layer and a boron nitride layer on at least one side thereof, and to a lithium-sulfur battery including the same.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 15, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jieun SONG, Kwonnam SOHN, Doo Kyung YANG, Yun Kyoung KIM
  • Publication number: 20200328391
    Abstract: A separator in which at least one side of a porous substrate has thereon a coating layer containing a partially reduced graphene oxide with a sheet shape and a lithium ion conductivity polymer, which can solve the problem caused by the lithium polysulfide which occurs in the conventional lithium secondary battery, and a lithium secondary battery.
    Type: Application
    Filed: October 8, 2018
    Publication date: October 15, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jieun SONG, Kwonnam SOHN, Doo Kyung YANG
  • Publication number: 20200321579
    Abstract: A separator capable of simultaneously solving the problems caused by lithium polysulfide and lithium dendrite generated in a conventional lithium-sulfur battery wherein the separator includes a porous substrate coated with graphene oxide and boron nitride on at least one side, and a lithium-sulfur battery including the same.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 8, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jieun SONG, Kwonnam SOHN, Doo Kyung YANG, Yun Kyoung KIM
  • Publication number: 20200264686
    Abstract: An electronic device is disclosed, including: a display, a processor, and a memory operatively connected to the processor, the memory storing instructions and a plurality of applications installed in the electronic device, wherein the instructions, which when executed, cause the processor to: identify states for each of the plurality of applications, the states each including one of an enabled state, a sleep state, or a disabled state, wherein applications in the sleep state are grouped into a first application group, and applications in the disabled state are grouped into a second application group, execute a first application to display a first field, a second field, and a third field including a selectable object via the display, and based on a first user input selecting the selectable object, re-identity the states of each of the plurality of applications to update the first application group and the second application group.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 20, 2020
    Inventors: Hongjung SON, Myungah KIM, Gyeongshin SONG, Jieun SONG, Chul KANG
  • Publication number: 20200134386
    Abstract: An image classification apparatus includes an image segmentation module configured to segment a learning image into a plurality of segment images, a primary classification module configured to perform machine learning on a primary classifier using the plurality of segment images, and a secondary classification module configured to calculate a weight value combination for creating a secondary classification estimation value for the learning image from a plurality of primary classification estimation values generated by passing the plurality of segment images to the trained primary classifier, or a machine learning-based learning parameter.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 30, 2020
    Inventors: JoonHo Lee, HyoSeob Song, JiEun Song
  • Patent number: 10513184
    Abstract: A user interface system for a vehicle includes: at least one display unit provided in the vehicle; a detachable interface apparatus configured to be detachably attached to any one of the at least one display unit provided in the vehicle; at least one processor; and a computer-readable medium having stored thereon instructions that, when executed by the at least one processor, cause the at least one processor to perform operations that include: in a state in which the detachable interface apparatus is attached to a selected display unit among the at least one display unit of the vehicle, determining a first user menu corresponding to the selected display unit; and displaying, on the selected display unit or on the detachable interface apparatus, the first user menu corresponding to the selected display unit.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 24, 2019
    Assignee: LG Electronics Inc.
    Inventors: Gu Lee, Uniyoung Kim, Daihyung Ryu, Dohyeon Kim, Sungjun Park, Jieun Song, Jaeyoung Lee
  • Publication number: 20190319272
    Abstract: A lithium electrode and a lithium secondary battery including the same, and in particular, to a lithium electrode including a lithium metal layer; and a surface treatment layer formed on the lithium metal layer, wherein the surface treatment layer includes a surface treatment compound including a functional group capable of bonding with lithium metal and a hydrocarbon group substituted with one or more fluorine. By being provided with a surface treatment layer including a specific functional group, the lithium electrode improves stability of lithium metal as well as suppressing side reactions on the surface, and thereby allows high capacity, high stability and long lifetime of a lithium secondary battery.
    Type: Application
    Filed: March 13, 2018
    Publication date: October 17, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Kihyun KIM, Doo Kyung YANG, Taek Gyoung KIM, Jieun SONG
  • Patent number: 10377236
    Abstract: The present invention relates to an assistance apparatus for driving of a vehicle including a display unit displaying the virtual preceding vehicle corresponding to one virtual preceding mode, which is selected by a user, of a plurality of virtual preceding modes, an interface unit receiving route information including destination information that is set by a driver and sensing information detected by a sensing unit, and a processor controlling the virtual preceding vehicle on the basis of the route information and the sensing information.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Electronics Inc.
    Inventors: Seungwon Ryu, Junsic Park, Yoonna Soh, Jieun Song
  • Publication number: 20190157714
    Abstract: A method for pretreating a lithium electrode, and a lithium metal battery, and in particular, a method for stabilizing a lithium electrode through pretreatment of being immersed in a composition for forming a solid electrolyte interphase, and a lithium metal battery including such a lithium electrode. Effects of decreasing interfacial resistance and enhancing Li charge and discharge efficiency are obtained when forming a solid electrolyte interphase (SEI) on a lithium electrode in advance using a pretreatment process of the lithium electrode, and then using the SEI layer-formed lithium electrode in a lithium metal battery.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 23, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jieun SONG, Doo Kyung YANG
  • Publication number: 20180370365
    Abstract: A user interface system for a vehicle includes: at least one display unit provided in the vehicle; a detachable interface apparatus configured to be detachably attached to any one of the at least one display unit provided in the vehicle; at least one processor; and a computer-readable medium having stored thereon instructions that, when executed by the at least one processor, cause the at least one processor to perform operations that include: in a state in which the detachable interface apparatus is attached to a selected display unit among the at least one display unit of the vehicle, determining a first user menu corresponding to the selected display unit; and displaying, on the selected display unit or on the detachable interface apparatus, the first user menu corresponding to the selected display unit.
    Type: Application
    Filed: December 28, 2017
    Publication date: December 27, 2018
    Inventors: Gu LEE, Uniyoung KIM, Daihyung RYU, Dohyeon KIM, Sungjun PARK, Jieun SONG, Jaeyoung LEE
  • Patent number: 10077022
    Abstract: A device for integrity verification of image data. The device comprises: a database configured to store multiple field signatures respectively corresponding to multiple editing tools; a memory configured to store a program for integrity verification of image data; and a processor configured to execute the program stored in the memory. The processor: extracts a field from the image data when the program is executed; determines whether or not there is a field signature matched with the extracted field from among the multiple field signatures; and determines whether or not the image data are edited depending on a result of the determination.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: September 18, 2018
    Assignee: Korea University Research and Business Foundation
    Inventors: Heejo Lee, Jieun Song, Kiryong Lee, Wan Yeon Lee
  • Publication number: 20180105040
    Abstract: The present invention relates to an assistance apparatus for driving of a vehicle including a display unit displaying the virtual preceding vehicle corresponding to one virtual preceding mode, which is selected by a user, of a plurality of virtual preceding modes, an interface unit receiving route information including destination information that is set by a driver and sensing information detected by a sensing unit, and a processor controlling the virtual preceding vehicle on the basis of the route information and the sensing information.
    Type: Application
    Filed: August 13, 2015
    Publication date: April 19, 2018
    Inventors: Seungwon RYU, Junsic PARK, Yoonna SOH, Jieun SONG
  • Patent number: D797774
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: September 19, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Junsic Park, Junghoon Son, Yoonna Soh, Jieun Song, Sowoon Yoon