Patents by Inventor KYUNG-HWAN JEON

KYUNG-HWAN JEON 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: 20200348557
    Abstract: An optical film for a display device includes: a base layer; a pattern layer disposed on the base layer and having a repeating pattern of valleys and peaks; a plurality of first elongated scattering members disposed on upper surfaces of the valleys; and a cover layer having a shape that is complementary to and coupled with the repeating pattern of valleys and peaks, with the elongated scattering members being disposed between the pattern layer and the cover layer.
    Type: Application
    Filed: April 1, 2020
    Publication date: November 5, 2020
    Inventors: Dae Won KIM, Yukihiro MIYAZAWA, Seung Hee LEE, Kyung Hwan JEON
  • Patent number: 10780585
    Abstract: A robot for performing hand-eye calibration is provided. The robot includes a robot arm including a plurality of joints, a plurality of arm sections, and an end effector, a communication interface, and a control circuit. The control circuit controls the robot arm to place the external object on a worktable after the external object is grasped by the end effector, acquires coordinates of a central point of the external object in a coordinate system of the camera from an image of the external object, and calculates a calibration parameter for defining a relation between a coordinate system of the end effector and the coordinate system of the camera, based on coordinates of the end effector in a base coordinate system of the robot and coordinates of the central point of the external object in the coordinate system of the camera when the external object is placed on the worktable.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: September 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soon Yong Park, Kyung Shik Roh, Sung Hwan Ahn, Suk June Yoon, So Hee Lee, Young Pil Jeon
  • Patent number: 10604894
    Abstract: The present invention provides a method of carbonating carbon dioxide with high purity using a paper mill waste sludge by preparing a paper mill waste sludge which is a waste product discharged during the production of papermaking, adding acid to the paper mill waste sludge and reacting the acid therewith to produce a mixed solution and stirring, separating a supernatant of the mixed solution into an eluate, adding a basic substance to the eluate and adjusting pH to precipitate some of the ions in the eluate, and then adding a reaction initiator to the eluate in which some ions are precipitated and removed, and injecting carbon dioxide for a carbonation reaction.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: March 31, 2020
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Chi-Wan Jeon, Sang-Won Park, Jun-Hwan Bang, Kyung-Sun Song, Seung-Woo Lee, Hwan-Ju Jo
  • Patent number: 10566326
    Abstract: Semiconductor devices are provided. A semiconductor device includes a semiconductor substrate. The semiconductor device includes first and second source/drain regions in the semiconductor substrate. Moreover, the semiconductor device includes a multi-layer device isolation region in the semiconductor substrate between the first and second source/drain regions. The multi-layer device isolation region includes a protruding portion that protrudes away from the semiconductor substrate beyond respective uppermost surfaces of the first and second source/drain regions.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae Young Kwak, Ki Byung Park, Kyoung Hwan Yeo, Seung Jae Lee, Kyung Yub Jeon, Seung Seok Ha, Sang Jin Hyun
  • Publication number: 20200005649
    Abstract: An automatic parking system includes a sensor detecting parking areas depending on a size of a subject vehicle and a controller controlling the subject vehicle to be parked in an optimal parking area among the parking areas, in which the sensor may detect the parking areas in consideration of a length and a width of the subject vehicle and detect a spaced distance from surrounding vehicles positioned on a side of the subject vehicle in the optimal parking area and the controller may calculate a moving path between a current position of the subject vehicle and the optimal parking area and compare a predetermined reference distance and the spaced distances to control the subject vehicle.
    Type: Application
    Filed: September 13, 2019
    Publication date: January 2, 2020
    Inventors: Yoon Soo KIM, Jin Ho PARK, Joo Woong YANG, Jae Hwan JEON, Kyung Soo HA, Min Byeong LEE, Seung Wook PARK, Jong Ho LEE, In Yong JUNG
  • Publication number: 20190377459
    Abstract: A window management method in an electronic device and an electronic device thereof are provided. The method includes displaying, on a display, a first window; displaying, on the display with the first window, a second window as a pop-up window or a split window; displaying a handler for adjusting a size of at least one of the first window and the second window at a boundary area of the first window or the second window; and changing the displayed split window into the pop-up window or the displayed pop-up window into the split window in response to a user input to the handler.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 12, 2019
    Inventors: Hye Soon JEONG, Jun Ho LEE, Ji Hoon JEON, Kyung Hwan KIM, Dong Jeon KIM, Jin Wan AN, Dae Sik HWANG
  • Patent number: 10449955
    Abstract: An automatic parking system includes a sensor detecting parking areas depending on a size of a subject vehicle and a controller controlling the subject vehicle to be parked in an optimal parking area among the parking areas, in which the sensor may detect the parking areas in consideration of a length and a width of the subject vehicle and detect a spaced distance from surrounding vehicles positioned on a side of the subject vehicle in the optimal parking area and the controller may calculate a moving path between a current position of the subject vehicle and the optimal parking area and compare a predetermined reference distance and the spaced distances to control the subject vehicle.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 22, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yoon Soo Kim, Jin Ho Park, Joo Woong Yang, Jae Hwan Jeon, Kyung Soo Ha, Min Byeong Lee, Seung Wook Park, Jong Ho Lee, In Yong Jung
  • Patent number: 10437408
    Abstract: A window management method in an electronic device and an electronic device thereof are provided. The method includes receiving, by a controller, a user input event generated in association with a selection of an item displayed in a display area of a display; and outputting, to the display, by a display control module, a plurality of windows corresponding to the selected item and information indicating at least one output capable window corresponding to the selected item and available to be output in a specified form in a specified area.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hye Soon Jeong, Jun Ho Lee, Ji Hoon Jeon, Kyung Hwan Kim, Dong Jeon Kim, Jin Wan An, Dae Sik Hwang
  • Patent number: 10431505
    Abstract: Manufacturing a device may include inspecting a surface of an inspection target device. The inspecting may include forming a metal layer on a surface of the inspection target device on which a minute pattern is formed, directing a beam of light to be incident and normal to the surface of the inspection target device, determining a spectrum of light reflected from the surface of the inspection target device, and generating, via the spectrum, information associated with a structural characteristic of the minute pattern formed on the inspection target device. The inspection target device may be selectively incorporated into the manufactured device based on the generated information.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-bum Park, Kyung-sik Kang, Byeong-hwan Jeon, Jae-chol Joo, Tae-joong Kim
  • Patent number: 10394975
    Abstract: The present invention relates to a device and a method for calculating stability and predicting an error of a power system network, the device comprising: a standard object information reception unit for receiving standard object information provided by a power system network; a connection state stability calculation unit for calculating connection state stability (Sstate) using the standard object information; a connection time stability calculation unit for calculating connection time stability (Stime) using the standard object information; a network connection stability calculation unit for calculating a final network connection stability using the network connection state stability (Sstate) and the connection time stability (Stime); and an error prediction information display unit for displaying error prediction information including at least one of network path information, a network state value, the final network connection stability, the connection state stability (Sstate), and the connection time stab
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: August 27, 2019
    Assignee: Korea Electric Power Corporation
    Inventors: Chung Hyo Kim, Yong Hun Lim, Seong Ho Ju, Kyung Seok Jeon, Jong Kwan Kim, Chang Hwan Sung
  • Publication number: 20190257681
    Abstract: According to an exemplary embodiment, a microneedle probe device for measuring a sap flow rate of a plant includes: a substrate, of which at least a part is inserted into a plant, and a thickness and a width are microscales; a single metal wire provided on the substrate; a power source, which applies a current to the metal wire for a predetermined time and heats the metal wire; and a processor, which calculates a flow rate of sap through a movement of heat generated in the metal wire according to a flow of the sap within the plant.
    Type: Application
    Filed: June 14, 2017
    Publication date: August 22, 2019
    Inventors: Jung Hoon Lee, Sang Woong Baek, Eun Yong Jeon, Seung Yul Choi, Kyoung Sub Park, Joon Kook Kwon, Kyung Hwan Yeo, In Ho Yu, Jae Han Lee
  • Patent number: 10338370
    Abstract: A clock signal generator includes an optic mirror rotatable to scan an incident light beam in a first direction, a grid plate including a plurality of grid arrays arranged in a second direction different from the first direction, wherein light reflected from the optic mirror is selectively passed through when the light beam is scanned on the grid plate in the first direction, the grid array being offset in the first direction by a particular distance with respect to an adjacent grid array, a light detector configured to detect a light passing through the grid arrays, and a pixel clock generator configured to generate a clock signal based on detection signals received from the light detector.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 2, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Bum Park, Kyung-Sik Kang, Tae-Joong Kim, Sang-Ok Seok, Byeong-Hwan Jeon
  • Patent number: 10108047
    Abstract: A liquid crystal display comprises a surface light source, a lower polarizing plate disposed on the surface light source, a liquid crystal layer disposed on the lower polarizing plate, a retardation layer disposed on the liquid crystal layer and an upper polarizing plate disposed on the retardation layer, wherein the lower polarizing plate is a reflective polarizing plate exhibiting positive C phase difference characteristics, and the retardation layer exhibits positive A phase difference characteristics.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Hwan Jeon, Beong Hun Beon, Sang Gu Lee
  • Patent number: 9658374
    Abstract: A first polarizing member includes a polarizing layer, a phase difference layer and an infrared reflective layer. The polarizing layer linearly polarizes light and emits polarized light. The phase difference layer changes a polarization state of the polarized light. The infrared reflective layer is interposed between the polarization layer and the phase difference layer, wherein the polarized light passes through the infrared reflective layer and infrared rays are reflected from the infrared reflective layer.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun Mi Seo, Na Young Shin, Kyung Hwan Jeon
  • Publication number: 20160231620
    Abstract: A liquid crystal display comprises a surface light source, a lower polarizing plate disposed on the surface light source, a liquid crystal layer disposed on the lower polarizing plate, a retardation layer disposed on the liquid crystal layer and an upper polarizing plate disposed on the retardation layer, wherein the lower polarizing plate is a reflective polarizing plate exhibiting positive C phase difference characteristics, and the retardation layer exhibits positive A phase difference characteristics.
    Type: Application
    Filed: June 11, 2015
    Publication date: August 11, 2016
    Inventors: Kyung Hwan Jeon, Beong Hun Beon, Sang Gu Lee
  • Publication number: 20160202556
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display including: a first substrate and a second substrate which are opposite to each other, a liquid crystal layer which is interposed between the first substrate and the second substrate, a first polarizer which is disposed outside the first substrate and includes a reflective polarization film, a first compensation film which is disposed outside the second substrate and includes a biaxial film, and a second polarizer which is disposed outside the first compensation film, in which a thickness direction retardation value of the biaxial film is 300 nm to 380 nm.
    Type: Application
    Filed: September 11, 2015
    Publication date: July 14, 2016
    Inventors: Sang-Gu LEE, Ji-Hoon KIM, Seung Hee LEE, Kyung Hwan JEON
  • Publication number: 20160154155
    Abstract: A first polarizing member includes a polarizing layer, a phase difference layer and an infrared reflective layer. The polarizing layer linearly polarizes light and emits polarized light. The phase difference layer changes a polarization state of the polarized light. The infrared reflective layer is interposed between the polarization layer and the phase difference layer, wherein the polarized light passes through the infrared reflective layer and infrared rays are reflected from the infrared reflective layer.
    Type: Application
    Filed: April 27, 2015
    Publication date: June 2, 2016
    Inventors: Eun Mi SEO, Na Young Shin, Kyung Hwan Jeon
  • Patent number: 9195096
    Abstract: A liquid crystal display apparatus includes a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer and a phase difference compensation film disposed on the first substrate, where the phase difference compensation film includes a fluorine resin.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Gu Lee, Seung-Beom Park, Na-Young Shin, Jung-Hun Lee, Kyung-Hwan Jeon, Hyo-Sung Hong
  • Publication number: 20150070638
    Abstract: A liquid crystal display apparatus includes a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer and a phase difference compensation film disposed on the first substrate, where the phase difference compensation film includes a fluorine resin.
    Type: Application
    Filed: March 7, 2014
    Publication date: March 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sang-Gu LEE, Seung-Beom PARK, Na-Young SHIN, Jung-Hun LEE, Kyung-Hwan JEON, Hyo-Sung HONG
  • Publication number: 20150036081
    Abstract: A polarizer includes a base substrate, a polarization layer adhered to the base substrate and configured to polarize light incident from the base substrate, an infrared ray blocking layer disposed on the polarization layer and a buffer layer having a refractive index smaller than a refractive index of the infrared ray blocking layer.
    Type: Application
    Filed: February 21, 2014
    Publication date: February 5, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: BEONG-HUN BEON, DAE-WON KIM, JI-HOON KIM, SEUNG-BEOM PARK, SANG-GU LEE, SEUNG-HEE LEE, KYUNG-HWAN JEON