Patents by Inventor Sung-Chan Choi

Sung-Chan Choi 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: 20240147794
    Abstract: A light emitting display device includes a first display area; and a second display area disposed adjacent to the first display area, wherein the second display area includes a pixel driving part, a main light-emitting element directly connected to the pixel driving part, and an additional light-emitting element connected to the main light-emitting element, the additional light-emitting element overlaps a peripheral driving part in a plan view, the peripheral driving part generates a signal provided to the pixel driving part, the main light-emitting element and the additional light-emitting element each include a first electrode, an emission layer, and a second electrode, the pixel driving part is electrically connected to the second electrode of the main light-emitting element and the second electrode of the additional light-emitting element, and the second electrode of the additional light-emitting element and the second electrode of the main light-emitting element are separated by a separator.
    Type: Application
    Filed: October 17, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Yoo Min KO, Sung Jin HONG, Ju Chan PARK, Sun Ho KIM, Hye Won KIM, Pil Suk LEE, Chung Sock CHOI
  • Publication number: 20240147775
    Abstract: A light emitting display device includes a first display area; and a second display area disposed on an external side of the first display area, wherein the second display area includes a pixel driver, a main light emitting diode electrically connected to the pixel driver, and an additional light emitting diode electrically connected to the main light emitting diode, the additional light emitting diode overlaps a peripheral driver that generates signals provided to the pixel driver, the main light emitting diode and the additional light emitting diode each include a first electrode, an emission layer, and a second electrode, and the second electrode of the main light emitting diode is electrically connected to the first electrode of the additional light emitting diode.
    Type: Application
    Filed: October 16, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Chung Sock CHOI, Sun Ho KIM, Yoo Min KO, Hye Won KIM, Ju Chan PARK, Pil Suk LEE, Sung Jin HONG
  • Publication number: 20240099072
    Abstract: Disclosed are a display device and a method for manufacturing the same. The display device according to an embodiment includes a transistor that is disposed on a substrate, a first electrode that is disposed on the substrate, a pixel defining layer that is disposed on the first electrode, a separator pattern that is disposed on the pixel defining layer, auxiliary wiring that is disposed between the pixel defining layer and the separator pattern, a second electrode that is disposed on the first electrode, the pixel defining layer, and the separator pattern, connection wiring that connects the transistor to the second electrode, and an intermediate layer that is disposed between the first electrode and the second electrode. A portion of the second electrode disposed on the separator pattern and a portion of the second electrode disposed around the separator pattern are separated from each other.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Jin HONG, Sun Ho KIM, Yoo Min KO, Hye Won KIM, Ju Chan PARK, Pil Suk LEE, Chung Sock CHOI
  • Publication number: 20240099075
    Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a first electrode disposed on the substrate; a pixel definition layer disposed on the first electrode; a separator pattern layer disposed on the pixel definition layer; a second electrode disposed on the first electrode, the pixel definition layer, and the separator pattern layer; a connection layer connected between the transistor and the second electrode; an emission layer disposed between the first electrode and the second electrode; a conductive pattern layer; and a capping member covering a side end portion of the conductive pattern layer, wherein the conductive pattern layer and the connection layer are disposed on a same layer, and a part of the second electrode disposed on the separator pattern layer and a part of the second electrode disposed around the separator pattern layer are separated from each other.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Pil Suk LEE, Yoo Min KO, Sun Ho KIM, Hye Won KIM, Ju Chan PARK, Chung Sock CHOI, Sung Jin HONG
  • Publication number: 20240096557
    Abstract: A capacitor component includes a body having a first surface and a second surface opposing each other and including a multilayer structure in which a plurality of dielectric layers are stacked and first and second internal electrodes are alternately disposed with respective dielectric layers interposed therebetween and exposed to the first surface and the second surface, respectively, first and second metal layers covering the first surface and the second surface and connected to the first and second internal electrodes, respectively, first and second ceramic layers covering the first and second metal layers, and first and second external electrodes covering the first and second ceramic layers and connected to the first and second metal layers to be electrically connected to the first and second internal electrodes, respectively.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Inventors: Sung Hyun CHO, Byeong Chan KWON, Yong Jin YUN, Ki Pyo HONG, Jae Yeol CHOI
  • Publication number: 20220257453
    Abstract: A massage module according to an embodiment includes: a support plate including a circular opening therein; a massage body provided in the circular opening of the support plate; and a rotating mechanism for rotating the massage body relative to the support plate, wherein the massage body includes: a massage unit which provides a massage to a user through mechanical stimulation; a rotating plate provided to be rotatably moved relative to the support plate by the rotating mechanism; and a moving mechanism provided in the rotating plate to move the massage unit in a direction perpendicular to the rotation plane of the rotating plate. The rotating plate includes a through-opening through which the moving mechanism can pass, and the moving mechanism can pass through the through-opening to move the massage unit between a first position and a second position.
    Type: Application
    Filed: August 13, 2020
    Publication date: August 18, 2022
    Inventors: Gi Won UM, Ji Hyoung LIM, Sung Chan CHOI, Deok Hyun KONG
  • Patent number: 11205049
    Abstract: A method for managing semantic information on an M2M/IoT platform is provided. The method for managing semantic information according to an embodiment of the present invention stores semantic data in the first attribute of an M2M resource and updates a part of the semantic data stored in the first attribute. Accordingly, efficient management of semantic information on an M2M/IoT platform is possible, and particularly a partial update of the semantic information can be performed.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: December 21, 2021
    Assignee: Korea Electronics Technology Institute
    Inventors: Min Woo Ryu, Jae Ho Kim, Il Yeup Ahn, Jae Seok Yun, Sung Chan Choi
  • Publication number: 20200375842
    Abstract: Provided is a massage module and a massage device including same. The massage module may include: a procedure member including an upper finger member and a lower finger member cooperating with the upper finger member; and a cam driving part connected to the upper finger member so as to move the upper finger member in the vertical direction, so that the upper finger member and the lower finger member are away from or close to each other.
    Type: Application
    Filed: August 10, 2018
    Publication date: December 3, 2020
    Inventors: Sung Chan CHOI, Cheul Kyu JIN, Myeong Jin YOU, Gi Won UM, Jong Sick PARK
  • Publication number: 20190294478
    Abstract: A method for validating the validity of a group member of a virtual resource is provided. A method for validating the validity of a group according to an embodiment of the present invention obtains parent resource type information of a resource designated by a group member ID included in a group generation request and validates the validity of the group by using the obtained parent resource information. Accordingly, the validity of a virtual resource as a group member can be validated.
    Type: Application
    Filed: March 23, 2017
    Publication date: September 26, 2019
    Inventors: Seung Myeong JEONG, Il Yeup AHN, Jae Ho KIM, Sung Chan CHOI, Nak Myoung SUNG, Jae Seok YUN
  • Publication number: 20190197108
    Abstract: A method for managing semantic information on an M2M/IoT platform is provided. The method for managing semantic information according to an embodiment of the present invention stores semantic data in the first attribute of an M2M resource and updates a part of the semantic data stored in the first attribute. Accordingly, efficient management of semantic information on an M2M/IoT platform is possible, and particularly a partial update of the semantic information can be performed.
    Type: Application
    Filed: May 2, 2017
    Publication date: June 27, 2019
    Applicant: Korea Electronics Technology Institute
    Inventors: Min Woo RYU, Jae Ho KIM, Il Yeup AHN, Jae Seok YUN, Sung Chan CHOI
  • Publication number: 20190133875
    Abstract: A leg massage device includes a calf massage module and an up/down movement module to move the calf massage module up and down. The calf massage module includes a unit massage module including a massage module plate, a moving roller installed on the massage module plate to move up and down along a guide surface, and a calf massage roller mounted on the massage module plate to massage the user's calf. The up/down movement module includes a driving link unit connected to the massage module plate to push up or pull down the massage module plate and a driving power source configured to provide power to the driving link unit.
    Type: Application
    Filed: July 27, 2018
    Publication date: May 9, 2019
    Inventors: Sung Chan CHOI, Cheulkyu JIN, Myeong Jin YOU, Giwon UM
  • Patent number: 10091134
    Abstract: An open M2M system and a method are provided. A method for managing resources according to an exemplary embodiment of the present invention includes: registering resources existing in a first domain at a second domain; and discovering metadata of a desired resource in the second domain. Accordingly, information management and sharing can be optimized, and registration and discovery of resources can be supported to be performed on a global scale.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: October 2, 2018
    Assignee: Korea Electronics Technology Institute
    Inventors: Sung Chan Choi, Jae Ho Kim, Kwang Ho Won, Sang Shin Lee, Il Yeup Ahn, Min Hwan Song, Jae Seok Yun
  • Patent number: 10003908
    Abstract: A method and system for allocating device object identifier (OID) in open machine-to-machine (m2m) system and application system applying the same are disclosed. In one aspect, the method includes generating, at a hardware server device, an OID of a first computing device, wherein the OID includes a first arc identifying a manufacturer of the first computing device, a second arc identifying a model number of the first computing device and a third arc identifying a serial number of the first computing device. The method also includes allocating, at the hardware server device, the generated OID to the first computing device.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: June 19, 2018
    Assignee: Korea Electronics Technology Institute
    Inventors: Sung Chan Choi, Jae Ho Kim, Jae Seok Yun, Kwang Ho Won, Sang Shin Lee, Il Yeup Ahn, Min Hwan Song, Jeong Wook Seo
  • Patent number: 9756535
    Abstract: A method of communication for a terminal in a content-centric network is provided. The method includes suspending a data message associated with a content from being provided to a face before a handover when the handover is expected to occur in the terminal that requests the content, and transmitting, to a hub, a new interest message after the handover associated with the content so that the hub may provide the data message associated with the content to the face after the handover.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: September 5, 2017
    Assignee: Samsung Electronis Co., Ltd.
    Inventors: Ji Hoon Lee, Myeong Wuk Jang, Jae Hoon Kim, Do Jun Byun, Joong Hong Park, Sung Chan Choi
  • Patent number: 9632130
    Abstract: An apparatus and method for detecting a cable fault which simultaneously apply a plurality of measurement frequencies mutually orthogonal to a cable and estimate reflection coefficients at the measurement frequencies using filters for filtering only the respective measurement frequencies to reduce a time taken to detect a cable fault.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: April 25, 2017
    Assignee: INNOWIRELESS CO., LTD.
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Kyoung Hwan Ju, Hyo Bin Yim
  • Patent number: 9603130
    Abstract: An apparatus for efficiently and simply measuring an error vector magnitude (EVM) of a physical hybrid automatic repeat request (ARQ) indicator channel (PHICH) in a long term evolution (LTE) system. The apparatus includes an overall PHICH group data extraction unit configured to extract all PHICH group data from a received signal in a first subframe, an overall PHICH group analysis unit configured to detect orthogonal sequences and acknowledgement/negative acknowledgement (ACK/NACK) bits used in respective PHICH groups by analyzing all resources of the extracted PHICH group data, an ideal PHICH group sequence generation unit configured to generate an ideal PHICH group sequence using the detected ACK/NACK bits and orthogonal sequences, and an EVM measurement unit configured to measure an EVM of a PHICH using the ideal PHICH group sequence and the received signal.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: March 21, 2017
    Assignee: INNOWIRELESS CO., LTD.
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Byung Kwan Jang
  • Publication number: 20160212095
    Abstract: A method and system for accessing resource and system applying the same are disclosed. One aspect provides a method of allocating a universal resource identifier (URI) to a resource in a computer network. The method includes additionally allocating, at a hardware server device, a first type of URI to a URI of a first resource. The method also includes allocating, at the hardware server device, a second type of URI to the URI of the first resource.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 21, 2016
    Inventors: Sung Chan Choi, Jae Ho Kim, Jae Seung Song, Sang Shin Lee, Il Yeup Ahn, Min Hwan Song, Jae Seok Yun, Kwang Ho Won
  • Publication number: 20160212571
    Abstract: A method and system for allocating device object identifier (OID) in open machine-to-machine (m2m) system and application system applying the same are disclosed. In one aspect, the method includes generating, at a hardware server device, an OID of a first computing device, wherein the OID includes a first arc identifying a manufacturer of the first computing device, a second arc identifying a model number of the first computing device and a third arc identifying a serial number of the first computing device. The method also includes allocating, at the hardware server device, the generated OID to the first computing device.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 21, 2016
    Inventors: Sung Chan Choi, Jae Ho Kim, Jae Seok Yun, Kwang Ho Won, Sang Shin Lee, Il Yeup Ahn, Min Hwan Song, Jeong Wook Seo
  • Publication number: 20160202309
    Abstract: An apparatus and method for detecting a cable fault which simultaneously apply a plurality of measurement frequencies mutually orthogonal to a cable and estimate reflection coefficients at the measurement frequencies using filters for filtering only the respective measurement frequencies to reduce a time taken to detect a cable fault.
    Type: Application
    Filed: February 10, 2015
    Publication date: July 14, 2016
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Kyoung Hwan Ju, Hyo Bin Yim
  • Publication number: 20160183114
    Abstract: An apparatus for efficiently and simply measuring an error vector magnitude (EVM) of a physical hybrid automatic repeat request (ARQ) indicator channel (PHICH) in a long term evolution (LTE) system. The apparatus includes an overall PHICH group data extraction unit configured to extract all PHICH group data from a received signal in a first subframe, an overall PHICH group analysis unit configured to detect orthogonal sequences and acknowledgement/negative acknowledgement (ACK/NACK) bits used in respective PHICH groups by analyzing all resources of the extracted PHICH group data, an ideal PHICH group sequence generation unit configured to generate an ideal PHICH group sequence using the detected ACK/NACK bits and orthogonal sequences, and an EVM measurement unit configured to measure an EVM of a PHICH using the ideal PHICH group sequence and the received signal.
    Type: Application
    Filed: January 30, 2015
    Publication date: June 23, 2016
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Byung Kwan Jang