Patents by Inventor Chang-Hyun Lee

Chang-Hyun 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: 11163425
    Abstract: An example user terminal apparatus includes communication circuitry configured to be connected to a home network comprising a plurality of devices; a display configured to display a UI screen for managing the home network; a sensor configured to sense a user manipulation of the UI screen; and processing circuitry configured to change the UI screen displayed on the display according to the user manipulation. The UI screen is one of a plurality of service pages that are changeable according to a user manipulation in a first direction, the plurality of service pages being pages for respectively providing different home network management services. At least one of the plurality of service pages comprises an area that is displayable on the display according to a user manipulation in a second direction.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun Shim, Chang-won Kim, Ga-hyun Joo, Jin-sung Kim, Jong-youb Ryu, Chang-hyun Lee, Yong-hyun Lim
  • Publication number: 20210303109
    Abstract: Disclosed embodiments provide systems and methods implementing a web-browser plugin for providing requested information. A method for providing requested information comprises receiving, as a user interaction on a graphical user interface, a request to provide data associated with a target object presented on a web page, retrieving an object identifier associated with the target object based on a determined data accessibility, the object identifier incorporated in the web page, transmitting the retrieved object identifier to a plurality of systems storing data associated with the target object, the plurality of systems configured to provide data corresponding to the received object identifier in response to the received object identifier, receiving data responsive to transmitting the retrieved object, modifying the web page to include the received data, and presenting the web page on the graphical user interface.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 30, 2021
    Inventors: Bijoy Bordoloi, Ankit Arora, Khoa Nguyen, Chang Hyun Lee, Suk Min Ahn, Prithvis Mohanty
  • Publication number: 20210304275
    Abstract: Disclosed embodiments provide systems and methods for electronically determining a real-time registration. A method for electronically determining a real-time registration comprises receiving, from a user device, a request to register an item in a retail system and data associated with the item, determining a registration guarantee decision for the item, the registration decision specifying whether the item is or is not guaranteed, and registering the item in the retail system based on the determined registration guarantee decision. The method further comprises building a response for the determined registration guarantee decision and transmitting the response for the registration guarantee decision to a computing device associated with the retail system, wherein the registration guarantee decision comprises performing a comparison of attributes in the received data and attributes associated with items stored in the retail system to determine duplicate or similar items.
    Type: Application
    Filed: March 31, 2020
    Publication date: September 30, 2021
    Inventors: Bijoy BORDOLOI, Shuzheng LI, Chang Hyun LEE, Han Sam JEON, Suk Min AHN, Tapan SHAH, Prithvis MOHANTY, Khoa NGUYEN
  • Patent number: 11129511
    Abstract: A vacuum cleaner includes an actuator connected to a suction hose to rotate in left and right directions centering on a first rotation axis, or in forward and backward directions centering on a second rotation axis according to movement of the suction hose, a first displacement sensor detecting rotational displacement of the actuator in the left and right directions, and a second displacement sensor detecting rotational displacement of the actuator in the forward and backward directions, and controls activation of a plurality of driving motors according to the rotational displacement of the actuator in the left and right directions and in the forward and backward directions, which are detected by the first displacement sensor and the second displacement sensor, thereby advancing or rotating the main body in the left and right directions.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keon Soo Choi, Shin Kim, Dong Hyun Lee, Dong Woo Ha, Chang Hyun Lee, Ji Yeon Han
  • Patent number: 11134286
    Abstract: Provided is a method, performed by a terminal, of providing content includes determining whether at least one content is included in preference content, based on information about the at least one content provided to the terminal and preference information of a user of the terminal about content; content, which is not included in the preference content, is present in the at least one content, transmitting, to a server, a request to change the first content to second content included in the preference content based on previously stored information about the preference content; and outputting the second content received from the server, in response to the request.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pil-kyu Park, Kwang-pyo Choi, Woong-il Choi, Myung-ho Kim, Sung-chan Kim, Jeong-hoon Park, Hee-chul Yang, Chang-hyun Lee
  • Publication number: 20210290819
    Abstract: The hyaluronic acid filler according to the present invention shows improved high lift capability, and thereby not only can maintain its shape for a long time while it is unlikely to move when injected into skin, but also the injection force during injection is very low, and therefore it is excellent in anti-wrinkle, soft-tissue augmentation such as cheeks, breast, nose, lips and hips, and the like or expansion of its volume, and contour correction, and even if a crosslinking agent is used at a small amount in the preparation process, the duration in the human body is increased because of efficient crosslinking reaction and pain of patients is caused less by the reduced injection force.
    Type: Application
    Filed: July 9, 2019
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Cheol JANG, Ji Sun KIM, Jineon SO, Chang Hyun LEE, Chung LEE, Hwayoun REE, Hyun Tae JUNG
  • Publication number: 20210268143
    Abstract: The hyaluronic acid filler according to the present invention exhibits improved high viscoelastic flow characteristics, and has advantages of monophasic hyaluronic acid fillers and biphasic hyaluronic acid fillers together, and therefore it maintains the shape while having low moving possibility when injecting into skin, and thus it is excellent when used for improving wrinkles, augmentation of soft tissues such as cheeks, breast, nose, lips and hips, etc., and correcting contours, and the duration time in the human body is increased and side effects are small, even if a small amount of crosslinking agent is used during the preparation process.
    Type: Application
    Filed: July 8, 2019
    Publication date: September 2, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Cheol JANG, Chung LEE, Ji Sun KIM, Hyun Tae JUNG, Chang Hyun LEE, Jineon SO, Hwayoun REE
  • Publication number: 20210230552
    Abstract: The present invention includes a polypeptide for use in a three dimensional (3D) culture system for the growth of cells comprising one or more repeats of a sequence n1-(X1X2GXP)-n2 (SEQ ID NO:8), wherein X1 and X2 are any amino acids except proline, wherein X1 and X2 can be the same or different amino acid in solution or coated on a substrate, wherein n1 and n2 are equal to or greater than one, and wherein X is an aliphatic amino acid.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 29, 2021
    Inventors: Harvinder Singh Gill, Chang Hyun Lee
  • Patent number: 11056787
    Abstract: A hybrid antenna used for an electronic device is disclosed. A hybrid antenna comprises: a substrate comprising a first surface and a second surface and having an insulator; a first conductive member disposed on the first surface of the substrate and having a hole formed therein; a second conductive member disposed on a first area of the second surface of the substrate; and a third conductive member disposed on a second area of the second surface of the substrate and connected to a ground of an electronic device, wherein a first portion of the first conductive member operates as a first antenna for receiving a broadband signal and supplying power to the electronic device, and a second portion operates as a second antenna for receiving wireless power and supplying power to the electronic device, wherein a first power feeding unit is formed between the first antenna and second antenna.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: July 6, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION
    Inventors: Jae-Hyun Park, Jeong-Hae Lee, Young-Ho Ryu, Chang-Hyun Lee, Min-Seo Park, Sung-Bum Park, Kwi-Seob Um, Chong-Min Lee
  • Patent number: 11053365
    Abstract: The present inventive concept relates to a method of preparing an ion-exchange membrane using a chemical modification and an ion-exchange membrane prepared thereby. More specifically, the present inventive concept relates to a method of preparing an ion-exchange membrane, which is characterized by modifying sulfonic acid groups of a perfluorinated sulfonic acid electrolyte membrane with carboxyl groups and includes chlorinating sulfonic acid groups of a perfluorinated sulfonic acid electrolyte membrane; nitrilating the chlorinated electrolyte membrane; and hydrolyzing the nitrilated electrolyte membrane, and an ion-exchange membrane chemically modified thereby.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: July 6, 2021
    Inventors: Chang Hyun Lee, Chang Hoon Oh, Jin Pyo Hwang
  • Patent number: 11017517
    Abstract: Provided are a method and apparatus for allocating differential bandwidth for each screen region by using image complexity information. According to an embodiment, a method and apparatus for receiving streaming data request a server for information relating to content to differentially determine quality of a plurality of regions divided from a predetermined frame of the content according to a network state; among at least one segment for each region encoded with at least one quality for each of the plurality of regions, receive a segment for each region encoded according to the quality for each region determined based on the information relating to the content from the server over a network; generate a reconstruction image for each region by decoding the segment for each region; and merge and render the reconstruction image for each region.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kil-jong Kim, Soon-gi Hong, Do-young Joung, Chang-hyun Lee
  • Patent number: 10985426
    Abstract: The present invention relates to a separator for a lithium secondary battery, a method for manufacturing the separator, and a lithium secondary battery including the separator. The separator includes a porous substrate and a heat resistance porous layer positioned on at least one surface of the porous substrate, wherein the heat resistance porous layer includes a sulfonic acid group-containing polysulfone.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: April 20, 2021
    Assignees: Samsung SDI Co., Ltd, Samsung Electronics Co., Ltd., Dankook University Cheonan Campus Industry Academic Cooperation Foundation
    Inventors: Seung Rim Yang, Chang Hyun Lee, Sung Soo Han, Myungkook Park, Minho Cho
  • Publication number: 20210076891
    Abstract: Disclosed is a cyclone dust collector in which usability is improved. A vacuum cleaner comprising a cyclone dust collector, wherein the cyclone dust collector includes, a case configured to swirl suctioned air to separate dust from the suctioned air and accommodate the separated dust, a grill assembly separably installed in the case, and a cleaning portion included in the case and configured to remove dust adhered to a surface of the grill assembly when the grill assembly is separated from the case.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Inventors: Jung Gyun HAN, Won Min LEE, Chang Hyun LEE, Shin KIM
  • Patent number: 10891711
    Abstract: Provided is an image processing method including: generating an omnidirectional spherical image; determining information regarding a director's view that indicates some regions of the omnidirectional spherical image; generating a projection image by projecting the omnidirectional spherical image to a development view of a polyhedron; dividing, from the projection image, a director's view projection image corresponding to the director's view, based on the information regarding the director's view; reshaping the director's view projection image into a director's view rectangular image by moving a location of at least one of pixels of the director's view projection image; and generating a bitstream which the director's view rectangular image is encoded into.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Vladyslav Zakharchenko, Kwang-pyo Choi, Hyun-jung Kim, Chang-hyun Lee
  • Patent number: 10869587
    Abstract: Disclosed is a cyclone dust collector in which usability is improved. A vacuum cleaner comprising a cyclone dust collector, wherein the cyclone dust collector includes, a case configured to swirl suctioned air to separate dust from the suctioned air and accommodate the separated dust, a grille assembly separably installed in the case, and a cleaning portion included in the case and configured to remove dust adhered to a surface of the grille assembly when the grille assembly is separated from the case.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: December 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Gyun Han, Won Min Lee, Chang Hyun Lee, Shin Kim
  • Patent number: 10864899
    Abstract: A system for parking control of a vehicle in which a transmission parking configuration is omitted is provided. The system includes a shift by wire device that requests a parking control of the vehicle when a parking stage is input by an operation of a driver. An electronic parking brake operates a brake installed on a drive wheel via a relay which is connected to be in a parking brake state when the electronic parking brake receives the parking control request from the shift by wire device. The shift by wire device switches the relay to directly operate the brake to be in the parking brake state when the shift by wire device receives a failure event, which indicates that a normal operation of the electronic parking brake is impossible, from the electronic parking brake.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: December 15, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Joon Young Park, Chang Hyun Lee, Yang Rae Cho, Hwi Bong Chang, Seong Uk Bae
  • Patent number: 10863430
    Abstract: A method of connecting an access point (AP) device is provided. The method includes receiving media access control (MAC) address information of a terminal from the terminal through an external device, registering the received MAC address information, and determining whether the registered MAC address information corresponding to MAC address information registered to another AP device. In response to the registered MAC address information corresponding to the MAC address information registered to the other AP device, an AP device managing the registered MAC address information is determined among the AP device and the other AP device. A connection request is received from the terminal, and the terminal is connected to the AP device based on whether MAC address information of the connection request is corresponding to the registered MAC address information.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeon-mok Ko, Dae-hyung Kwon, Duk-gu Sung, Chang-hyun Kim, Kang-jin Yoon, Chang-Hyun Lee
  • Publication number: 20200359010
    Abstract: A video encoding method and apparatus and a video decoding method and apparatus are provided. The video encoding method includes: prediction encoding in units of a coding unit as a data unit for encoding a picture, by using partitions determined based on a first partition mode and a partition level, so as to select a partition for outputting an encoding result from among the determined partitions; and encoding and outputting partition information representing a first partition mode and a partition level of the selected partition. The first partition mode represents a shape and directionality of a partition as a data unit for performing the prediction encoding on the coding unit, and the partition level represents a degree to which the coding unit is split into partitions for detailed motion prediction.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Hyun LEE, Tammy Lee, Jianle Chen, Dae-sung Cho, Woo-jin Han, Il-koo Kim
  • Patent number: 10824707
    Abstract: A method, performed by a device, of providing security content includes receiving a touch and drag input indicating that a user drags a visual representation of a first application displayed on a touch screen of the device to a fingerprint recognition area while the user touches the visual representation of the first application with a finger; performing authentication on a fingerprint of the finger detected on the touch screen using a fingerprint sensor included in the fingerprint recognition area; and when the performing authentication on the fingerprint is successful, displaying the security content associated with the first application on an execution window of the first application.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam-wook Kang, Do-hyoung Kim, Yong-gook Park, Woo-hyoung Lee, Young-kyu Jin, Byeong-hoon Kwak, Jong-youb Ryu, Chang-hyun Lee, Yong-hyun Lim
  • Patent number: RE48473
    Abstract: A vertical-type nonvolatile memory device is provided in which differences between the sizes of channel holes in which channel structures are formed are reduced. The vertical-type nonvolatile memory device includes a substrate having channel hole recess regions in a surface thereof. Channel structures vertically protrude from the surface of the substrate on ones of the channel hole recess regions, and memory cell stacks including insulating and conductive layers are alternately stacked along sidewalls of the channel structures. A common source line extends along the surface of the substrate on other ones of the channel hole recess regions in a word line recess region, which separates adjacent memory cell stacks. Related fabrication methods are also discussed.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Chang-Hyun Lee