Patents by Inventor Hyun-cheol Park

Hyun-cheol Park 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: 20200336960
    Abstract: An operation method of a terminal performing handover in a mobile communication system may comprise transmitting packet data convergence protocol (PDCP) downlink reception status information of the terminal and information on a target base station to a source base station; receiving downlink data from a user plane function (UPF) via the source base station based on a first tunnel configured between the source base station and the UPF; receiving downlink data from the UPF via the target base station based on a second tunnel configured by the UPF between the target base station and the UPF by using the PDCP downlink reception status information and the information on the target base station, which are transferred from the source base station; and discarding duplicated-received protocol data units (PDUs) from the source base station and the target base station, and reordering remaining PDUs.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Seo PARK, Yun Joo KIM, Eunkyung KIM, Tae Joong KIM, An Seok LEE, Yu Ro LEE, Sung Cheol CHANG
  • Patent number: 10811193
    Abstract: A capacitor component includes a porous body, a first electrode layer covering surfaces of pores of the porous body, a dielectric layer covering the first electrode layer, and a second electrode layer filling the pores of the porous body and covering the dielectric layer.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Hoon Ryou, Hyun Ho Shin, Byeong Cheol Moon, Chang Soo Jang, Tae Joon Park, Yun Hee Kim, Kyo Yeol Lee, Seung Mo Lim
  • Patent number: 10809835
    Abstract: An electronic device according to an embodiment of the present invention comprises: a housing that comprises a first surface which faces a first direction and a second surface which faces a second direction opposite to the first direction, and that comprises a first transparent plate which forms at least a portion of the first surface of the housing; a display that is disposed between the first transparent plate and the second face of the housing, and comprises a second transparent plate which faces the first direction, and a third transparent plate which faces the second direction; a first electrode, a second electrode, a third electrode, and a fourth electrode that are disposed between the second transparent plate and the third transparent plate; and a control circuit that is electrically connected to the first electrode, the second electrode, the third electrode, and the fourth electrode, wherein the control circuit may be configured to detect the position of touch input with respect to the first transpare
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Sup Byeon, Jung-Won Kim, Han-Vit Kang, Ho-Kyung Kang, Kwang-Tai Kim, Byeong-Cheol Kim, Kyung-Wan Park, Yo-Han Lee, Jeong-Sik Jeong, Eun-Sung Cho, Hyun-Ju Hong
  • Patent number: 10801150
    Abstract: A washing machine and a method for controlling the same are disclosed. The washing machine includes a plurality of washing devices, each of which includes a heater. Based on a target temperature of wash water heated by one heater of any one of the washing devices, the washing machine changes a target temperature setting environment of wash water heated by the remaining heater. The washing machine includes a first heater to heat wash water stored in a first tub, a second heater to heat wash water stored in a second tub, a control panel to provide a target temperature setting menu for setting a target temperature of the wash water stored in the first tub, and a controller to drive the first heater and the second heater. The controller changes the target temperature setting menu supplied from the control panel in response to the second target temperature.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Ji Kang, Kyoung Tae Park, Hyun Sook Kim, Hyeon Cheol Kim, Jung Ran Jung, Eun-Young Park, Dong-Il Back, Jun-Young Choi
  • Patent number: 10797802
    Abstract: An optical receiver includes a transimpedance amplifier that converts a current signal corresponding to an optical signal into a voltage signal. The transimpedance amplifier includes an input terminal receiving the current signal, an output terminal outputting the voltage signal, an inverting circuit including a pull-up device that pull-up drives the voltage signal of the output terminal according to the current signal, and a pull-down device that pull-down drives the voltage signal of the output terminal according to the current signal, a feedback resistor electrically connected between the input and output terminals, a first resistor electrically connected between the input terminal and the pull-up device, and a second resistor electrically connected between the input terminal and the pull-down device.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 6, 2020
    Assignees: SK hynix Inc., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Chul Woo Kim, Hyun Su Park, Jin Cheol Sim, Choong Hwan Lee
  • Publication number: 20200291276
    Abstract: The present application provides an adhesive composition for a foldable display including a thermocurable resin; and a crosslinking agent, wherein the thermocurable resin includes a unit derived from a compound including at least one N or O; and at least one unshared electron pair in the molecule, and the thermocurable resin has a glass transition temperature of ?70° C. or lower, an adhesive film using the same, and a foldable display including the same.
    Type: Application
    Filed: February 1, 2019
    Publication date: September 17, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hee SONG, Hyon Gyu PARK, Hyun Cheol KIM
  • Patent number: 10777834
    Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: September 15, 2020
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Pil Yoon, Jonghee Han, Hyung Chul Ham, Chang Won Yoon, Sun-Hee Choi, Hyun Seo Park, Yeong Cheon Kim, Chang-Whan Lee, Hyoung-Juhn Kim, Tae Hoon Lim, Suk Woo Nam, Seong Cheol Jang
  • Publication number: 20200280385
    Abstract: Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Hwa Park, Dong Cheol Kim, Hyun Woo Lee, Min Seok Noh
  • Publication number: 20200258453
    Abstract: A display device includes: a substrate; a gate pattern disposed on the substrate; an oxide semiconductor layer disposed on the substrate, the oxide semiconductor layer includes a channel region that overlaps with the gate pattern; and an insulating film disposed on the gate pattern, the insulating film includes majority carrier supporting ions, wherein the gate pattern includes a plurality of gate holes, wherein the gate holes are formed inside a region of the gate pattern that does not overlap with the channel region of the oxide semiconductor layer, and wherein the channel region of the oxide semiconductor layer includes the majority carrier supporting ions.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 13, 2020
    Inventors: Ki Ju Im, Tae Young Kim, Hyo Jung Kim, Jong Woo Park, Young Tae Choi, Hyun Cheol Hwang
  • Publication number: 20200243006
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.
    Type: Application
    Filed: September 11, 2019
    Publication date: July 30, 2020
    Inventors: Hyo Jung KIM, Tae Young KIM, Yong Sung Park, Jong Woo Park, Mi Seon SEO, Keun Soo LEE, Ki Ju IM, Dae Youn CHO, Young Tae CHOI, Hyun Cheol HWANG
  • Publication number: 20200208182
    Abstract: The present disclosure relates to a novel polypeptide having an ability to export an ornithine-based product, and a method for producing an ornithine-based product using the same.
    Type: Application
    Filed: June 14, 2018
    Publication date: July 2, 2020
    Inventors: Seon Hye KIM, Su Jin PARK, Kyoung Min LEE, Kyungsu NA, Hong Xian LI, Hyun-jung BAE, Jihyun SHIM, Young Lyeol YANG, Hye Won UM, Hyo Hyoung LEE, Min Gyeong KANG, Hye Won KIM, Byeong Cheol SONG, Haena OH, Han Hyoung LEE
  • Publication number: 20200210052
    Abstract: According to one embodiment, a method for remotely controlling peripheral devices in a mobile communication terminal includes acquiring a profile for a controlled peripheral device, configuring a control application for the controlled peripheral device based on the acquired profile, and controlling the controlled peripheral device using the configured control application.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 2, 2020
    Inventors: Du-Seok Kim, Hyun-Cheol Park, Giu-Yeol Kim, Jun-Mo Yang, Dong-Yun Shin, Hyo-Yong Jeong
  • Publication number: 20200209094
    Abstract: A method and apparatus for executing an application are provided. The method of executing an application may include: measuring internal air pressure in an electronic device by using a barometer; receiving a user input of applying a force to an external surface of the electronic device by using the barometer, and detecting a value of variation of the internal air pressure, the variation occurring due to the force; and performing a preset operation of the electronic device based on the detected value of the variation of the internal air pressure.
    Type: Application
    Filed: August 21, 2018
    Publication date: July 2, 2020
    Inventors: Hyun-cheol PARK, Youl-woong SUNG, Isak CHOI, Hyun-gil CHO, Sung-hyun HONG
  • Publication number: 20200181661
    Abstract: The present disclosure relates to a novel polypeptide having an ability to export an ornithine-based product, and a method for producing an ornithine-based product using the same.
    Type: Application
    Filed: June 14, 2018
    Publication date: June 11, 2020
    Inventors: Seon Hye KIM, Su Jin PARK, Kyoung Min LEE, Kyungsu NA, Hong Xian LI, Hyun-jung BAE, Jihyun SHIM, Young Lyeol YANG, Hye Won UM, Hyo Hyoung LEE, Min Gyeong KANG, Hye Won KIM, Byeong Cheol SONG, Haena OH, Han Hyoung LEE
  • Publication number: 20200170023
    Abstract: A device-to-device (D2D) communication method, performed by a receiving D2D terminal, may comprise receiving D2D data from a transmitting D2D terminal; generating feedback information for the D2D data; and receiving information on a first resource for transmission of the feedback information from a base station, and transmitting the feedback information to the transmitting D2D terminal through the first resource, wherein the information on the first resource is received without an explicit scheduling request (SR) to the base station.
    Type: Application
    Filed: August 30, 2019
    Publication date: May 28, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yun Joo KIM, Yu Ro LEE, EunKyung KIM, Tae Joong KIM, Hyun Seo PARK, An Seok LEE, Sung Cheol CHANG
  • Patent number: 10659183
    Abstract: Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 19, 2020
    Assignee: EVOLVED WIRELESS LLC
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Hwa Park, Dong Cheol Kim, Hyun Woo Lee, Min Seok Noh
  • Patent number: 10650125
    Abstract: An electronic apparatus operated based on an OS is provided. The electronic apparatus includes a storage to store the OS, a virtual device program capable of generating a virtual device executed based on the OS, and at least one program; and at least one processor to execute the virtual device program to generate the virtual device, and to execute the OS to determine whether a first program having an administration authority assigned by the OS from among the at least one program has access authority to data about the virtual device in response to an attempt to access the data from the first program and to selectively permit the access to the data based on the determined access authority. With this, the electronic apparatus may restrain the access to the virtual device or the data thereabout according to a presence of the access authority, thereby safely protecting the virtual device or the data.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: May 12, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hwa Jeong, Sung-kyu Lee, Hyun-cheol Park, Chang-woo Lee
  • Publication number: 20200129957
    Abstract: The present disclosure relates to a cucurbituril-polyethylenimine-silica complex, a method for preparing the same and a carbon dioxide absorbent containing the same. According to the present disclosure, a cucurbituril-polyethylenimine-silica complex may be prepared by forming a complex wherein a cucurbituril is bound to polyethylenimine and including the same inside silica, and it may be used as a carbon dioxide absorbent with superior thermal stability and prevented formation of urea.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 30, 2020
    Inventors: Hyun-uk KIM, Young Cheol PARK, Jong-ho MOON, Hoon Beom PARK, Muhammad Sohail
  • Publication number: 20200124986
    Abstract: A display device including: a substrate having display area and a non-display area; and an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.
    Type: Application
    Filed: May 21, 2019
    Publication date: April 23, 2020
    Inventors: Hyun Wook LEE, Soon Wook HONG, Seung Rae KIM, Jae-Hyun PARK, Min cheol CHAE
  • Patent number: 10622719
    Abstract: An antenna device in which a conductive foil or an antenna pattern directly formed on the magnetic sheet without an insulating substrate such as polyimide, has a reduced thickness and may be prepared simple process. Also, with respect to the antenna device, flexibility may be improved by using a polymer-type magnetic sheet, and, since magnetic properties are excellent, the antenna device may be used for multiple applications such as NFC, WPC, and MST.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: April 14, 2020
    Assignee: SKC CO., LTD.
    Inventors: Tae Kyoung Kim, Jong Hwi Park, Jin Cheol Kim, Hyun Gon Moon, Jonghak Choi, Nah Young Kim