Patents by Inventor Yo-Han Choi

Yo-Han 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).

  • Patent number: 10732805
    Abstract: An electronic device includes a display; a touch sensor configured to detect at least one position of a touch by an external object on the display; a pressure sensor configured to detect pressure by the external object against the display; at least one processor electrically connected with the display, the touch sensor, and the pressure sensor; and memory electrically connected with the processor, wherein the memory stores a plurality of executable instructions, when executed, cause the at least one processor to: present a user interface containing content on the display; receive, from the touch sensor and the pressure sensor, indicators of the position and pressure of the external object pressing the display; determine a primary position on the content, based at least in part on the position of the touch; determine a selection area on the content that includes the primary position, based at least in part on the pressure; and display an indication of the selection area over the content.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: So Young Kim, Kyu Hong Kim, Seung Min Choi, Yo Han Lee, Yong Joon Jeon
  • Patent number: 10728640
    Abstract: An electronic device with a heat radiation structure using an audio device is provided. The electronic device includes a first housing, a speaker module disposed on a surface of the first housing and configured to output sounds in a first direction, a sound reflection plate mounted above the surface of the first housing and having a first surface facing the speaker module, and a heat emission device disposed on a second surface of the sound reflection plate. The sound reflection plate may absorb heat generated from the heat emission device, and discharge the absorbed heat to the outside of the electronic device through a space between the surface of the first housing and the first surface of the sound reflection plate.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo-Han Lee, Jung-Kyun Ryu, Jun-Ho Park, Won-Sik Song, Jong-Chan Won, Seung-Yong Lee, Young-Su Lee, Bo-Kun Choi, Chang-Ryong Heo
  • Patent number: 10718759
    Abstract: Disclosed herein are a transparent immunoassay apparatus and method. The transparent immunoassay apparatus includes a sample pad configured to allow a liquid specimen to be dropped thereonto, a first porous pipe configured to move the dropped specimen in a lateral flow manner, an immunobinding reaction unit configured to generate a detectable signal from binding of a previously applied reactant and the specimen between transparent upper and lower plates of the immunobinding reaction unit, a second porous pipe configured to move the specimen, having passed through the immunobinding reaction unit, in a lateral flow manner, and an absorption pad configured to absorb the specimen transferred from the second porous pipe.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: July 21, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yo-Han Choi, Ki-Bong Song
  • Publication number: 20200136211
    Abstract: An apparatus and method for battery temperature control, the apparatus including a cooling plate, a first transporter selectively moving the cooling plate along a first axis, and a controller operably coupled to the first transporter and selectively outputting a control signal to the first transporter for commanding the first transporter to move the cooling plate to a first location or a second location. The cooling plate comes into contact with an outer surface of the battery by a preset maximum area at the first location, and the cooling plate comes into contact with the outer surface by an area smaller than the maximum area or is separated from the outer surface at the second location.
    Type: Application
    Filed: January 2, 2019
    Publication date: April 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jin-Moo NAM, Yo-Han KO, Yong-Seok CHOI
  • Patent number: 10607563
    Abstract: A display device includes a timing controller, a driver, and a display panel. The timing controller outputs a first clock signal having first rising time during an active section and a second clock signal having second rising time during a blank section adjacent to the active section. The driver generates a data signal based on the first clock signal and the second clock signal and to output the data signal. The display panel displays an image based on the data signal. The first rising time is shorter than the second rising time.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong In Kim, Jin Kyu Park, Yo Han Lee, Ki Hoon Choi, Hyun Seok Hong
  • Publication number: 20200048381
    Abstract: Provided is an ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance.
    Type: Application
    Filed: November 2, 2017
    Publication date: February 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Soon Ho Sun, Yo Han Bae, Hyeong Il Lee, Yi Young Choi, Bog Ki Hong, Sung Min Lee, Sun Mi Kim, Jin Young Park
  • Publication number: 20200050326
    Abstract: An electronic device according to an embodiment includes a display, a touch sensor, a pressure sensor, at least one processor electrically connected with the display, the touch sensor, and the pressure sensor, and a memory electrically connected with the at least one processor. The memory stores instructions that, when executed, cause the processor to display a plurality of items in the display, to select at least one of the plurality of items based on a position of a touch sensed in the touch sensor, to detect a pressure level of the touch by using the pressure sensor, and to display at least one set of information associated with the selected at least one item in the display in response to the detected pressure level of the touch. Moreover, various embodiment found through the disclosure are possible.
    Type: Application
    Filed: October 25, 2017
    Publication date: February 13, 2020
    Inventors: So Young KIM, Kyu Hong KIM, Seung Min CHOI, Doo Suk KANG, Yo Han LEE
  • Patent number: 10534039
    Abstract: An apparatus for estimating a degree of aging of a secondary battery is configured to: determine a current and a temperature of the secondary battery; determine a state of charge from the current of the secondary battery; determine a degree of calendar aging by applying a cumulative degree-of-aging model to a degree-of-calendar-aging profile corresponding to the determined state of charge and the determined temperature while the secondary battery is in a calendar state; determine a degree of cycle aging by applying the cumulative degree-of-aging model to a degree-of-cycle-aging profile corresponding to the state of charge, the temperature, and the current of the secondary battery while the secondary battery is in a cycle state; and determine, as the degree of aging of the secondary battery, a weighted average value calculated for the determined degree of calendar aging and the determined degree of cycle aging based on calendar time and cycle time.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: January 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Se-Wook Seo, Yo-Han Ko, Jin-Hyung Lim, Yong-Seok Choi
  • Publication number: 20200011790
    Abstract: According to the present invention, an optical differential interrogation method for surface plasmon resonance imaging including: letting first incident light of a first wavelength and second incident light of a second wavelength to be incident on a sample while varying an incident angle; detecting intensity of first reflection light of the first incident light and intensity of second reflection light of the second incident light; and identifying the sample by using a difference between the intensity of the first reflection light and the intensity of the second reflection light, can be provided, and thus it is possible to obtain much better angular resolution while using a detector or a camera, which has a relative low receiving sensitivity and a sensor chip where samples having various characteristics are two-dimensionally arrayed and integrated can be effectively measured.
    Type: Application
    Filed: July 9, 2019
    Publication date: January 9, 2020
    Inventors: Jong Deog KIM, Yo Han CHOI
  • Patent number: 10489048
    Abstract: An electronic device and a control method of the electronic device are provided. The electronic device includes: a housing including a first surface facing in a first direction and a second surface facing in a second direction opposite the first direction; a touchscreen display disposed between the first surface and the second surface, and exposed through the first surface; a pressure sensor disposed between the first surface and the second surface, and configured to detect a pressure applied on the touchscreen display by an external object; at least one processor electrically connected to the touchscreen display, the pressure sensor, and a wireless communication circuit; and a memory electrically connected to the processor.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo-Han Lee, Geon-Soo Kim, Kyu-Hong Kim, So-Young Kim, Bo-Kun Choi, Seung-Min Choi, Yong-Jin Kwon
  • Patent number: 10466830
    Abstract: An electronic device, a method of controlling an electronic device, and a non-transitory computer-readable recording medium are provided. The electronic device includes a housing including a first surface, a second surface, and lateral sides; a touch screen display; a pressure sensor; a wireless communication circuit; at least one processor electrically, and the wireless communication circuit; and a memory electrically, wherein the memory stores instructions to cause the at least one processor to display a first user interface (UI) including at least one first item on the touch screen display, display a second UI including at least one second item while controlling or not controlling the first UI, and remove the second UI while reconstructing the first UI to restore a state before the controlling of the first UI or not reconstructing the first UI.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yo-Han Lee, Han-Vit Kang, Geon-Soo Kim, Bo-Kun Choi, Doo-Suk Kang, Kyu-Hong Kim, So-Young Kim, Seung-Min Choi, Yong-Joon Jeon
  • Patent number: 10451682
    Abstract: An apparatus and method for conducting a nail penetration test for a secondary battery are provided. The apparatus for conducting the nail penetration test includes: a stage on which the secondary battery, which is an object of the nail penetration test, is fixed; a nail penetration unit including a nail elevating/lowering means; a voltage measuring unit configured to repeatedly measure a short-circuit voltage of the secondary battery with a time interval during the nail penetration test; and a controller operably coupled to the voltage measuring unit. The controller periodically receives a short-circuit voltage from the voltage measuring unit, determines a short-circuit current allowing the received short-circuit voltage to be applied between outermost nodes of an equivalent circuit which models the secondary battery whenever the short-circuit voltage is received, and visually outputs a change in the determined value of the short-circuit current according to time through a display unit.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 22, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jin-Hyung Lim, Se-Wook Seo, Yo-Han Ko, Yong-Seok Choi
  • Publication number: 20190310723
    Abstract: An electronic device is provided that includes a touch screen display; a pressure sensor; at least one processor configured to receive a user input for performing a function for a selected period of time after execution of at least one application program, to detect a pressure regarding the touch screen display for the selected period of time using the pressure sensor, and to execute at least one selected from pausing the execution of the function, resuming the same, and restarting the same at least partially on the basis of the detected pressure when a selected pressure level is detected by the pressure sensor for the selected period of time.
    Type: Application
    Filed: September 14, 2017
    Publication date: October 10, 2019
    Inventors: Doo-Suk KANG, Geon-Soo KIM, Kyu-Hong KIM, Bo-Kun CHOI, So-Young KIM, Yo-Han LEE, Seung-Min CHOI, Jong-Wu BAEK, Yong-Joon JEON
  • Publication number: 20190294287
    Abstract: An electronic device and a method therefor are disclosed. The electronic device includes a memory for storing instructions which, when executed, cause a processor to display a user interface on a display, receive, from a touch sensor, first data indicating that an external object touches a part of the display, receive second data indicating the pressure applied against the display by the external object while the external object touches a part of the display, determine an application on the basis of a part of the first data, determine a change in the direction of the pressure applied against the display by the external object, on the basis of a part of the first data or the second data, wherein the direction is perpendicular to a first direction, and select a function associated with the application on the basis of a part of the change, and perform the selected function.
    Type: Application
    Filed: April 28, 2017
    Publication date: September 26, 2019
    Inventors: Kyuhong KIM, Geon-Soo KIM, Soyoung KIM, Seung-Min CHOI, Doo-Suk KANG, Yo-Han LEE, Bokun CHOI
  • Publication number: 20190296742
    Abstract: A buffer circuit includes a first buffer configured to operate at an external power voltage, generate first and second buffer signals by comparing an input signal with a reference voltage, and control potential levels of the first and second buffer signals in response to a common mode feedback voltage; a second buffer configured to operate at an internal power voltage and generate an output signal in response to the first and second buffer signals; and a replica circuit configured to generate the common mode feedback voltage to be less than the internal power voltage.
    Type: Application
    Filed: October 18, 2018
    Publication date: September 26, 2019
    Inventors: Dong Hyun KIM, Eun Ji CHOI, Yo Han JEONG, Jae Heung KIM
  • Publication number: 20190287587
    Abstract: An input/output circuit includes a data buffer group configured to buffer data received through data lines, a data strobe buffer configured to buffer a data strobe signal to output a buffered data strobe clock, a digitally controlled delay line configured to output delay data by controlling skew of the buffered data according to a delay code, a data strobe clock output circuit configured to generate a delay data strobe clock in response to the buffered data strobe clock, a sampler configured to sample the delay data according to the delay data strobe clock to output sampled data, and a de-skew circuit configured to update the delay code according to the sampled data.
    Type: Application
    Filed: November 19, 2018
    Publication date: September 19, 2019
    Inventors: Dong Hyun KIM, Dae Han KWON, Kwan Su SHON, Soon Ku KANG, Jung Hyun SHIN, Doo Bock LEE, Yo Han JEONG, Eun Ji CHOI, Tae Jin HWANG
  • Patent number: 10394328
    Abstract: An electronic device is provided. The electronic device outputs a user interface (UI) including at least one object, receives a pressure input of a specified level or more for selecting the object, verifies information associated with an object selected by the pressure input, outputs vibration feedback of a first frequency or first amplitude if the information associated with the object is less than a first criterion, and outputs vibration feedback of a second frequency relatively lower than the first frequency or second amplitude higher than the first amplitude if the information associated with the object is greater than or equal to the first criterion.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doo Suk Kang, Yo Han Lee, Yong Joon Jeon, Bo Kun Choi, Jeong Seok Lee
  • Patent number: 10333180
    Abstract: An apparatus and method for adjusting a charging condition of a secondary battery are provided.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: June 25, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Se-Wook Seo, Sang-Il Son, Yo-Han Ko, Jin-Hyung Lim, Yong-Seok Choi
  • Patent number: 10164443
    Abstract: Disclosed is a method of controlling frequency of a power system by which a frequency of a power system is regulated using high-speed charging and discharging characteristics of a plurality of energy storage systems (ESSs) and a battery state of charge (SOC), the method including: an operation of comparing, by a control unit, first time information and second time information and performing an exit control mode when the first time information (Before_Exit_time) is equal to or less than the second time information (After_Exit_time); an operation of determining, the control unit, an output amount for each ESS for discharging batteries using a battery discharging amount determining function (Exit_control_output( ) function) when a first parameter value (D_time) preset in the exit control mode is a positive value greater than zero and the second time information (After_Exit_time) is equal to or less than a second parameter value (Clear_time); and an operation of discharging, by the control unit, batteries until t
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: December 25, 2018
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Geon Pyo Lim, Soo Yeol Kim, Chan Wook Park, Yo Han Choi, Seung Han Kim, Doo Yong Park, Yong Beum Yoon
  • Patent number: 10138513
    Abstract: Provided is a gene amplifying and detecting device. The gene amplifying and detecting device includes: a gene amplifying chip including a chamber formed therein; a reaction solution filled in the chamber and including a fluorescent material; a light source located at one side of the gene amplifying chip; a light detector located at the other side of the gene amplifying chip; and a graphene heater formed on an inner surface or outer surface of the gene amplifying chip so as to heat the reaction solution.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: November 27, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang Hyo Chung, Jin Tae Kim, Yo Han Choi, Choon Gi Choi, Hong Kyw Choi, Young Jun Yu, Doo Hyeb Youn, Jin Sik Choi