Patents by Inventor In-taek Han

In-taek 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).

  • Patent number: 11974486
    Abstract: A display device and a mobile terminal device including the same are provided, wherein the display device includes a display panel including a display area in which a plurality of display pixels are disposed, and a sensing area in which a plurality of display pixels and a plurality of sensor pixels are disposed. The display pixels of the display area and the display pixels of the first sensing area emit light by receiving a data voltage of an input image in a display mode. The sensor pixels in the first sensing area generate an electric currents according to light reflected from a fingerprint in a fingerprint recognition mode. A resolution of the display pixel is lower than a resolution of the sensor pixel in the first sensing area.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hyeop Han, In Hyuk Song, Seung Taek Oh
  • Publication number: 20230321949
    Abstract: A color-changing sheet according to an embodiment of the present invention may include a base layer having a brightness (L value) of less than 40 and a color layer positioned on at least one surface of the base layer, containing a color dye or a pigment, and having a transmittance of to 90%, wherein a thickness ratio of the base layer to the color layer is 0.1 to 10, and may realize color change without adding additional particles.
    Type: Application
    Filed: August 23, 2021
    Publication date: October 12, 2023
    Applicant: TORAY ADVANCED MATERIALS KOREA INC.
    Inventors: Beom Taek HAN, Ho Jin MIN, Nam Heui LEE
  • Patent number: 11451049
    Abstract: A device includes: a controller configured to output a contactor control signal for controlling an operation of a contactor; a system basis unit configured to monitor a state of the controller and to output a safety detection signal; an operation maintaining unit including a first level shifter configured to shift a voltage level of the safety detection signal, a second level shifter configured to shift a voltage level of the contactor control signal, a retention output unit configured to compare the voltage level of the first level shifter with the voltage level of the second level shifter and to output a retention output signal, and a timer output unit configured to output a timer output signal to output the retention output signal for a preset time; and a contactor driver configured to output a contactor driving signal based on the contactor control signal and the retention output signal.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu Sung Cho, Sang Taek Han, Seung Ho Han
  • Publication number: 20220289611
    Abstract: An assembly for pushing an electrode into a glass melting vessel can include a frame, a shaft, a pusher actuator, a contact mechanism, a master actuator, and a torque limiter. The contact mechanism can be attached to the shaft. The pusher actuator can be mounted to the frame and configured to cause translation of the shaft and the contact mechanism relative to the frame. The master actuator can be operatively connected to the pusher actuator such that operation of the master actuator causes operation of the pusher actuator. The torque limiter can be operatively connected between the master actuator and the pusher actuator, and can be configured to disengage when a rotational force on the master actuator exceeds a predetermined amount.
    Type: Application
    Filed: September 8, 2020
    Publication date: September 15, 2022
    Inventors: Chih Hung Chien, Hyun-taek Han, JinSoo Kim, Yong-hyeon Park
  • Patent number: 11397380
    Abstract: A critical dimension measurement system includes a voltage measurement circuit, a control circuit, and a critical dimension measurement circuit. The voltage measurement circuit may measure potentials of mask patterns of a photomask. The control circuit may include an information storage circuit for storing distribution information on the potentials of the mask patterns, measured by the voltage measurement circuit, and information on layout patterns corresponding to the mask patterns of the photomask. The critical dimension measurement circuit may be operated, by the control circuit, in a first measurement mode and a second measurement mode running for a shorter time than the first measurement mode, and measure critical dimensions of the mask patterns.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: July 26, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Joo Park, Hyung Joo Lee, Seuk Hwan Choi, Dong Seok Nam, Yoon Taek Han
  • Publication number: 20210321917
    Abstract: A method of monitoring a body tissue includes determining, with reference to a position of an m-th light emitting unit, a position of an n-th light reception unit, and a distance between the m-th light emitting unit and the n-th light reception unit, an area and a depth of the body tissue which corresponds to the m-th light emitting unit and the n-th light reception unit; measuring hemodynamics of the body tissue at the area and the depth corresponding to the m-th light emitting unit and the n-th light reception unit based on the optical signal generated from the m-th light emitting unit and detected by the n-th light reception unit; and estimating an activity of the body tissue on an area basis and a depth basis based on the hemodynamics at at least one of the area and the depth of the body tissue.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 21, 2021
    Applicant: OBE LAB., INC.
    Inventors: Jong Kwan CHOI, Il Taek HAN, Ji Seon LEE
  • Publication number: 20210151982
    Abstract: A device includes: a controller configured to output a contactor control signal for controlling an operation of a contactor; a system basis unit configured to monitor a state of the controller and to output a safety detection signal; an operation maintaining unit including a first level shifter configured to shift a voltage level of the safety detection signal, a second level shifter configured to shift a voltage level of the contactor control signal, a retention output unit configured to compare the voltage level of the first level shifter with the voltage level of the second level shifter and to output a retention output signal, and a timer output unit configured to output a timer output signal to output the retention output signal for a preset time; and a contactor driver configured to output a contactor driving signal based on the contactor control signal and the retention output signal.
    Type: Application
    Filed: October 27, 2020
    Publication date: May 20, 2021
    Inventors: Kyu Sung CHO, Sang Taek HAN, Seung Ho HAN
  • Publication number: 20210055648
    Abstract: A critical dimension measurement system includes a voltage measurement circuit, a control circuit, and a critical dimension measurement circuit. The voltage measurement circuit may measure potentials of mask patterns of a photomask. The control circuit may include an information storage circuit for storing distribution information on the potentials of the mask patterns, measured by the voltage measurement circuit, and information on layout patterns corresponding to the mask patterns of the photomask. The critical dimension measurement circuit may be operated, by the control circuit, in a first measurement mode and a second measurement mode running for a shorter time than the first measurement mode, and measure critical dimensions of the mask patterns.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventors: WON JOO PARK, HYUNG JOO LEE, SEUK HWAN CHOI, DONG SEOK NAM, YOON TAEK HAN
  • Patent number: 10914681
    Abstract: A functional material includes a porous metal-organic framework (MOF) including an organic ligand derived from benzenedicarboxylic acid and a metal ion cluster coordination-bonded with the organic ligand, and a luminescent molecule in pores of the MOF.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: February 9, 2021
    Assignees: Samsung Electronics Co., Ltd., OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Ha Jin Kim, In Taek Han, Abhijeet K. Chaudhari, Jin-Chong Tan
  • Patent number: 10831095
    Abstract: A critical dimension measurement system includes a voltage measurement circuit, a control circuit, and a critical dimension measurement circuit. The voltage measurement circuit may measure potentials of mask patterns of a photomask. The control circuit may include an information storage circuit for storing distribution information on the potentials of the mask patterns, measured by the voltage measurement circuit, and information on layout patterns corresponding to the mask patterns of the photomask. The critical dimension measurement circuit may be operated, by the control circuit, in a first measurement mode and a second measurement mode running for a shorter time than the first measurement mode, and measure critical dimensions of the mask patterns.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: November 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Joo Park, Hyung Joo Lee, Seuk Hwan Choi, Dong Seok Nam, Yoon Taek Han
  • Patent number: 10649098
    Abstract: A light converting nanoparticle represented by Chemical Formula 1, AXx??Chemical Formula 1 wherein, in Chemical Formula 1, A comprises an alkaline metal element, an alkaline-earth metal element, or a combination thereof, X comprises a halogen element, and x is 1 or 2 and is selected such that Chemical Formula 1 is electrically neutral, and a dopant substituted for a portion of A, wherein the dopant comprises Tl+, In+, Pb2+, Bi3+, Ag+, Cu+, Eu2+, Mn2+, or a combination thereof, wherein a content of the dopant is less than 15 mole percent, based on a total moles of A, wherein the light converting nanoparticle has a particle diameter of less than or equal to about 100 nanometers, and the light converting nanoparticle has a structure, cubic structure, an orthorhombic structure, a rhombic dodecahedron structure, or a combination thereof.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: May 12, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Kwanghee Kim, Yehonadav Bekenstein, Yong Chul Kim, Paul Alivisatos, In Taek Han
  • Publication number: 20200037881
    Abstract: According to one aspect of the invention, there is provided a method for controlling a monitoring device including a plurality of light emission units (or sources) and a plurality of light reception units (or detectors), comprising the steps of: causing the plurality of light emission units to sequentially generate optical signals in a mutually exclusive manner according to a time division scheme; and with reference to a distance between an m-th light emission unit of the plurality of light emission units that generates an optical signal to be measured and an n-th light reception unit of the plurality of light reception units that detects the optical signal to be measured, dynamically controlling a measurement circuit gain that the n-th light reception unit uses to detect the optical signal generated by the m-th light emission unit.
    Type: Application
    Filed: October 15, 2019
    Publication date: February 6, 2020
    Applicant: OBE LAB., INC.
    Inventors: Jong Kwan CHOI, Il Taek HAN, Dae Leem KWON
  • Publication number: 20190235094
    Abstract: A light converting nanoparticle represented by Chemical Formula 1, AXx ??Chemical Formula 1 wherein, in Chemical Formula 1, A comprises an alkaline metal element, an alkaline-earth metal element, or a combination thereof, X comprises a halogen element, and x is 1 or 2 and is selected such that Chemical Formula 1 is electrically neutral, and a dopant substituted for a portion of A, wherein the dopant comprises Tl+, In+, Pb2+, Bi3+, Ag+, Cu+, Eu2+, Mn2+, or a combination thereof, wherein a content of the dopant is less than 15 mole percent, based on a total moles of A, wherein the light converting nanoparticle has a particle diameter of less than or equal to about 100 nanometers, and the light converting nanoparticle has a structure, cubic structure, an orthorhombic structure, a rhombic dodecahedron structure, or a combination thereof.
    Type: Application
    Filed: January 29, 2018
    Publication date: August 1, 2019
    Inventors: Kwanghee KIM, Yehonadav BEKENSTEIN, Yong Chul KIM, Paul ALIVISATOS, In Taek HAN
  • Publication number: 20190094684
    Abstract: A critical dimension measurement system includes a voltage measurement circuit, a control circuit, and a critical dimension measurement circuit. The voltage measurement circuit may measure potentials of mask patterns of a photomask. The control circuit may include an information storage circuit for storing distribution information on the potentials of the mask patterns, measured by the voltage measurement circuit, and information on layout patterns corresponding to the mask patterns of the photomask. The critical dimension measurement circuit may be operated, by the control circuit, in a first measurement mode and a second measurement mode running for a shorter time than the first measurement mode, and measure critical dimensions of the mask patterns.
    Type: Application
    Filed: May 8, 2018
    Publication date: March 28, 2019
    Inventors: Won Joo Park, Hyung Joo Lee, Seuk Hwan Choi, Song Seok Nam, Yoon Taek Han
  • Publication number: 20190069266
    Abstract: Disclosed is an electronic device that determines its location by using identification information corresponding to an external electronic device. The electronic device includes a communication circuit configured to communicate with an external electronic device, a location determining circuit, and a processor configured to identify first location information associated with the electronic device by using the communication circuit or the location determining circuit, to determine at least one server device among a plurality of server devices capable of providing location-related information, based on at least the first location information, to transmit identification information corresponding to the external electronic device to the at least one server device wherein the at least one server device determines second location information associated with the electronic device by using the identification information, and to determine a location of the electronic device by using the second location information.
    Type: Application
    Filed: August 22, 2018
    Publication date: February 28, 2019
    Inventors: Hun-Taek HAN, Ji-Hyeoung SONG, Chan-Woo LEE, Hyun-Sang JUNG, Eol CHOI
  • Patent number: 10217551
    Abstract: A magnetic sheet having a magnetic material particle comprising a hexaferrite and a nanofiber matrix made of two or more nanofibers, wherein the magnetic material particle is dispersed in the nanofiber matrix. A manufacturing method thereof and a speaker including the magnetic sheet are also provided.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: February 26, 2019
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Sang-Eui Lee, Byungkwon Lim, Kyoung-Seok Moon, In Taek Han, Jin Kyu Kang, Jin Ho Ahn, Nayoung Kwon, Shingyu Bok, Hwansu Sim, Jooyoung Lee, Guh-Hwan Lim
  • Patent number: 10198828
    Abstract: An electronic device is provided. The electronic device includes a camera, a communication circuit configured to communicate with an external electronic device, and a processor. The processor is configured to obtain an image using the camera, verify location information of the image, obtain identification information of the external electronic device from the external electronic device if the location information of the image is not verified, and determine the location information of the image based on the identification information of the external electronic device.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Woo Park, Woo Jin Jun, Hyun Sang Jung, Hun Taek Han, Hyuk Kang, Tae Ho Kim, Tae Gun Park, Gyu Cheol Choi
  • Patent number: 10191326
    Abstract: A film for a backlight unit including a semiconductor nanocrystal-polymer composite film including a semiconductor nanocrystal and a matrix polymer in which the semiconductor nanocrystal is dispersed, wherein the matrix polymer is a polymer produced by a polymerization of a multifunctional photo-curable oligomer, a mono-functional photo-curable monomer, and a multifunctional photo-curable cross-linking agent, the multifunctional photo-curable oligomer has an acid value of less than or equal to about 0.1 mg of KOH/g, and a content (A1) of a first structural unit derived from the multifunctional photo-curable oligomer, a content (A2) of a second structural unit derived from the mono-functional photo-curable monomer, and a content (A3) of a third structural unit derived from the multifunctional photo-curable cross-linking agent satisfy Equation 1: A1<(A2+A3).
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: January 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul Ho Jung, Hyun A Kang, Soo Kyung Kwon, Won Joo Lee, Eun Joo Jang, Hyo Sook Jang, Shin Ae Jun, Oul Cho, In Taek Han
  • Publication number: 20190015736
    Abstract: Provided is a cube set operating based on short-distance wireless communication and a method and system for recognizing a cube pattern using the same. The cube set includes a plurality of cubes having different patterns formed on faces and a cube case in which a plurality of partition spaces where the plurality of cubes is respectively seated has been formed. One or more magnetic bodies are formed in at least some of the faces of the cube, and a plurality of magnetic sensors is formed in each of the partition spaces of the cube case.
    Type: Application
    Filed: February 9, 2017
    Publication date: January 17, 2019
    Inventors: Sang Taek HAN, Sung Hyuk MOON
  • Publication number: 20180337307
    Abstract: A semiconductor light emitting device includes a Group-III nitride semiconductor layer on a buffer layer. The buffer layer includes a first layer, a second layer, and a third layer in that order. Each of the first layer, the second layer, and the third layer includes a composition which includes aluminum (Al), nitrogen (N), and oxygen (O). A minimum or average value of an oxygen concentration (atoms/cm3) of each of the first layer and the third layer is greater than an oxygen concentration (atoms/cm3) of the second layer.
    Type: Application
    Filed: December 14, 2017
    Publication date: November 22, 2018
    Inventors: Jung Taek HAN, Jong Sun MAENG, Jeen Seok CHO, Sun Woon KIM, Yong Hee JEONG