Patents by Inventor Chul-ho Han

Chul-ho Han 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: 20200021245
    Abstract: A crystal oscillator including a feedback circuit, and a reference clock generating circuit including the crystal oscillator. The crystal oscillator is configured to generate an oscillating signal based on a natural frequency of a crystal. The crystal oscillator may include: a current generating circuit connected to a first node having a first voltage and a second node having a second voltage, and configured to output a first current to the second node; a feedback circuit connected to the generating circuit via the first and second nodes and configured to adjust a level of the second voltage by controlling a level of the first voltage; and a crystal circuit connected to the second node and configured to generate the oscillating signal based on the second voltage.
    Type: Application
    Filed: June 13, 2019
    Publication date: January 16, 2020
    Inventors: Jae-hyuk Jang, Shin-woong Kim, Young-min Kim, Jae-young Kim, Chul-ho Kim, Sang-wook Han
  • Publication number: 20200022091
    Abstract: In an operating method of a radio frequency integrated circuit (RFIC) including a transmission circuit and a reception circuit, the operating method includes receiving, from a modem, first information for setting transmission power of the transmission circuit or second information about a blocker which is a frequency signal unused by the RFIC, obtaining an allowable value of phase noise of a local oscillator included in the transmission circuit, using the first information, obtaining an allowable value of phase noise of a local oscillator included in the reception circuit, using the second information, determining a level of a driving voltage, using the obtained allowable values of the phase noises, and providing the driving voltage to the local oscillators.
    Type: Application
    Filed: July 3, 2019
    Publication date: January 16, 2020
    Inventors: Jae-Hyuk Jang, Jung-Woo Kim, Chul-Ho Kim, Joon-Hee Lee, Sang-Wook Han
  • Publication number: 20200014064
    Abstract: The present invention provides a polymer electrolyte for a secondary battery having high ionic conductivity, and a lithium secondary battery including the same.
    Type: Application
    Filed: October 30, 2017
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sol Ji Park, Kyoung Ho Ahn, Young Jea Kim, Yong Jin Jang, Joong Jin Han, Chul Haeng Lee
  • Publication number: 20190379087
    Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In an embodiment, an electrolyte for a lithium secondary battery includes a lithium salt, an organic solvent, and an oligomer represented by Formula 1 described in the present specification or a polymer derived from the oligomer represented by Formula 1. A lithium secondary battery including the electrolyte for a lithium secondary battery is improved by suppressing reactivity of lithium metal.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Woo Oh, Kyoung Ho Ahn, Jun Hyeok Han, Chul Haeng Lee
  • Patent number: 10476037
    Abstract: Disclosed is a flexible display apparatus. The flexible display apparatus includes a display part, a first adhesive film, an optical film, a second adhesive film, and a window film sequentially stacked, and the second adhesive film has a water-vapor permeability of about 200 g/m2ยท24 hr or less, and the first adhesive film has a lower restoration force than the second adhesive film, as calculated by the Equation B set forth herein.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: November 12, 2019
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Sung Hyun Mun, Byeong Do Kwak, Ji Won Kang, Il Jin Kim, Ji Ho Kim, Hyung Rang Moon, Seon Hee Shin, Gwang Hwan Lee, Jin Young Lee, Ik Hwan Cho, Jae Hyun Han, In Chul Hwang
  • Publication number: 20190310587
    Abstract: Provided is clock signal generator configured to generate a target output clock signal based on a reference clock signal, the clock signal generator includes a digital-to-time converter (DTC) configured to delay a reference clock signal based on an input code to generate a delay clock signal, and output the delay clock signal, a DTC controller configured to determine an initial gain value of the DTC based on a result of comparing at least one delay amount of the DTC with a period of a previously generated output clock signal, and generate the input code based on the initial gain value, and a phase locked loop configured to generate the target output clock signal based on the delay clock signal and a division clock signal of the previously generated output clock signal, the target output clock signal being locked to the delay clock signal.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 10, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shin-woong KIM, Jae-young KIM, Chul-ho KIM, Jae-hyuk JANG, Sang-wook HAN
  • Publication number: 20190267661
    Abstract: A method for manufacturing an electrochemical device includes a discharge pretreatment step, where, external electric power is applied to a battery to discharge the battery, before charging the battery for the first time to perform formation of the battery, in order to remove a byproduct layer on the surface of a negative electrode. The method including the discharge pretreatment step before the first charge of a battery can improve the cycle life of an electrochemical device.
    Type: Application
    Filed: September 3, 2018
    Publication date: August 29, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jun-Hyeok HAN, Kyoung-Ho AHN, Sol-Ji PARK, Chul-Haeng LEE
  • Patent number: 10397643
    Abstract: A method performed at the electronic device for identifying an electronic device and peripheral apparatuses is provided. The method acquires image data regarding emitters of the peripheral apparatuses, determines emitting colors emitted from the emitters based on the acquired image data, and acquires identification information of the peripheral apparatuses mapped with the emitting colors.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-ho Kim, Joon-ho Son, Young-ah Seong, Chul-ho Han, Han-ki Kim, Byeong-geun Cheon, Gi-ppeum Choi
  • Patent number: 10379662
    Abstract: A touch screen panel may include a liquid crystal, a first transparent electrode and a second transparent electrode provided at both sides of the liquid crystal, and a controller configured to transfer image data to the first transparent electrode and the second transparent electrode in a first mode and sense a touch of a user on at least one of the first transparent electrode and the second transparent electrode in a second mode.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: August 13, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo Ho Kim, Hee Yuel Roh, Tatsuhiro Otsuka, Seok Min Oh, Kang Min Lee, Jun Sung Chung, Ji Su Jung, Hyun Geun Jo, Chul Ho Han
  • Publication number: 20190189120
    Abstract: An apparatus and method for providing an artificial intelligence service during a phone call in an electronic device are provided. The electronic device includes a communication module, at least one sound output device, at least one microphone, at least one processor, and a memory. The at least one processor is configured to connect a call with another electronic device through the communication module. In response to receiving a voice command for an artificial intelligence service, the at least one processor is further configured to identify an output mode, based on at least one of information related with the artificial intelligence service or mutual relation information with the other electronic device. The at least one processor is also configured to output a response signal corresponding to the voice command, based on the output mode.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 20, 2019
    Inventors: Min Jung SOHN, Taek Soo CHUN, Yong Ho KIM, Eun Hye KIM, Chul Ho HAN, Sun Ah KIM
  • Patent number: 10312970
    Abstract: An apparatus for transmitting power wirelessly includes a power transmitter configured to transmit power wirelessly to an apparatus for receiving power wirelessly, and an identification information manager configured to transmit first identification information allocated to the apparatus for transmitting power wirelessly to other devices.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: June 4, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Suk Sung, Chang Ik Kim, Chang Soo Kang, Hee Sun Han, Yong Woon Park, Hyung Wook Cho, Sung Heum Park, Sang Ho Cho, Chul Gyun Park, Ki Won Chang
  • Patent number: 10191937
    Abstract: A method of sharing profile image cards of a user of a device is provided. The method may be performed by a server and includes obtaining profile image cards indicating profiles of a first user of a first device related to a field of interest of the first user, categorizing the profile image cards based on pre-set categories, obtaining evaluation information of a second user of a second device regarding the profile image cards, determining rankings of the profile image cards for each of the categories based on the evaluation information, and recommending the profile image cards to at least one other device based on the rankings of the profile image cards.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: January 29, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Joo Sohn, Keum-koo Lee, Hye-won Lee, Chul-ho Han, Young-kyu Jin
  • Publication number: 20180376408
    Abstract: Disclosed is a user equipment that supports device-to-device communication. A user equipment according to an embodiment of the present invention comprises: a communication unit for broadcasting a discovery message for informing another user equipment of the user equipment itself, and receiving a discovery message broadcasted from another user equipment; and a control unit for, when at least one discovery message is received, extracting an ID of at least one other user equipment from the at least one received discovery message, selecting at least one ID out of the extracted ID on the basis of status information indicating an importance of the at least one other user equipment, and broadcasting a discovery message including the selected ID.
    Type: Application
    Filed: April 4, 2016
    Publication date: December 27, 2018
    Inventors: Jin RA, Chul-ho HAN, Seok-min OH, Young-chan WOO, Seol-hye WON, Jin-young LEE
  • Patent number: 10162898
    Abstract: A terminal includes a first input interface configured to acquire first search information of a first data type, and a second input interface configured to acquire second search information of a second data type, the first data type being different from the second data type. The terminal further includes a searcher configured to identify whether search information is acquired from at least one among the first input interface and the second input interface, and acquire a search result from data storage based on the search information, in response to the searcher identifying that the search information is acquired from at least one among the first input interface and the second input interface. The terminal further includes an output interface configured to provide the search result.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: December 25, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ah Seong, Yong-ho Kim, Gi-ppeum Choi, Chul-ho Han
  • Publication number: 20180352067
    Abstract: Disclosed are a user terminal apparatus and a control method therefor. According to the present invention, a user terminal apparatus comprises: a communication unit for performing data communication with a plurality of other user terminal devices which are set as a group; a controller for determining an output order of voice messages corresponding to user voices according to a predetermined condition, when the user voices are received from a plurality of other user terminal apparatus; and an output unit for outputting voice messages in a determined output order. Accordingly, the user terminal apparatus can provide a service that enables easy group community with a plurality of other user apparatus.
    Type: Application
    Filed: September 27, 2016
    Publication date: December 6, 2018
    Inventors: Seol-hye WON, Jin RA, Seok-min OH, Kang-min LEE, Chul-ho HAN
  • Publication number: 20170285849
    Abstract: A touch screen panel may include a liquid crystal, a first transparent electrode and a second transparent electrode provided at both sides of the liquid crystal, and a controller configured to transfer image data to the first transparent electrode and the second transparent electrode in a first mode and sense a touch of a user on at least one of the first transparent electrode and the second transparent electrode in a second mode.
    Type: Application
    Filed: August 28, 2015
    Publication date: October 5, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo Ho KIM, Hee Yuel ROH, Tatsyhiro OTSUKA, Seok Min OH, Kang Min LEE, Jun Sung CHUNG, Ji Su JUNG, Hyun Geun JO, Chul Ho HAN
  • Publication number: 20160162584
    Abstract: A terminal includes a first input interface configured to acquire first search information of a first data type, and a second input interface configured to acquire second search information of a second data type, the first data type being different from the second data type. The terminal further includes a searcher configured to identify whether search information is acquired from at least one among the first input interface and the second input interface, and acquire a search result from data storage based on the search information, in response to the searcher identifying that the search information is acquired from at least one among the first input interface and the second input interface. The terminal further includes an output interface configured to provide the search result.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 9, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ah SEONG, Yong-ho KIM, Gi-ppeum CHOI, Chul-ho HAN
  • Publication number: 20160142763
    Abstract: A method performed at the electronic device for identifying an electronic device and peripheral apparatuses is provided. The method acquires image data regarding emitters of the peripheral apparatuses, determines emitting colors emitted from the emitters based on the acquired image data, and acquires identification information of the peripheral apparatuses mapped with the emitting colors.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 19, 2016
    Inventors: Yong-ho KIM, Joon-ho SON, Young-ah SEONG, Chul-ho HAN, Han-ki KIM, Byeong-geun CHEON, Gi-ppeum CHOI
  • Publication number: 20160004415
    Abstract: A user terminal device is provided. The user terminal device includes a storage unit, a communication unit for performing communication with an external device, a display unit for displaying an image stored in the storage unit or an image received via the communication unit, an object generating unit for generating an interactive object that is to be added to the displayed image and generating a playable object by adding the interactive object to the image, and a control unit for displaying the playable object via the display unit, transmitting the playable object to the external device via the communication unit, and sharing the playable object with the external device. Thus, the device of the present disclosure may perform interaction with the external device.
    Type: Application
    Filed: January 3, 2014
    Publication date: January 7, 2016
    Inventors: Min-jeong MOON, Woo-yong CHANG, Hyung-rae CHO, Chul-ho HAN
  • Publication number: 20150220256
    Abstract: A display apparatus is provided. The display apparatus includes a display configured to display an image, a command receiver configured to receive a user's command with regard to the image, and a controller configured to determine at least one correlated point included in the image by analyzing the image, to display an area corresponding to the at least one determined correlated point on the displayed image, and to control the display to display a search result corresponding to a correlated point of an area selected in accordance with the user's command among the areas corresponding to the at least one correlated point.
    Type: Application
    Filed: December 30, 2014
    Publication date: August 6, 2015
    Inventors: Eun-mee SHIN, Keum-koo LEE, Hye-won LEE, Chul-ho HAN