Patents by Inventor Kyung-Hwan Yoon

Kyung-Hwan Yoon 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: 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
  • Publication number: 20200288238
    Abstract: A remote control apparatus is disclosed. The remote control apparatus comprises: a microphone; a communication unit; a storage unit for storing pattern information of a non-audible sound for identification of the locality of an external electronic device; and a processor for broadcasting, through the communication unit, information acquired on the basis of an ambient sound received through the microphone, and when a non-audible sound based on broadcasted information output from an electronic device is received through the microphone, comparing a pattern of the received non-audible sound with pattern information stored in the storage unit, and transmitting a pairing request signal to the electronic device on the basis of a comparison result.
    Type: Application
    Filed: September 20, 2018
    Publication date: September 10, 2020
    Inventors: Chae-young LIM, Je-hwan SEO, Kyung-ik CHO, Min-sup KIM, Ki-hyun SONG, Suk-hoon YOON, Hyun-kyu YUN, Jong-keun LEE
  • Publication number: 20200212456
    Abstract: Disclosed is a fuel cell with improved thermal distribution in a stack including two more unit cells stacked therein. The fuel cell includes a stack including the two more unit cells and separators each having manifolds formed through four sides thereof, a first chamber having an internal space so as to receive air and fuel from the outside and to transfer the air and fuel to a second chamber and so as to receive the air and fuel discharged from the stack and to discharge the air and fuel to the outside, a second chamber having an internal space so as to receive the air and fuel from the first chamber and to transfer the air and fuel to the stack, and a connecting part connecting the first chamber to the second chamber so as to allow the air and fuel to flow to the second chamber from the first chamber.
    Type: Application
    Filed: August 29, 2019
    Publication date: July 2, 2020
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Jong Ho LEE, Kyung Joong YOON, Sang Hyeok LEE, Dong Hwan KIM, Jong Sup HONG, Yong Gyun BAE
  • Patent number: 10701516
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 30, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Sung Hwan Ahn, Byeong Cheol Moon, Suk Hoon Jung, Dong Soo Han, Kyung Shik Roh, Suk June Yoon
  • Publication number: 20200194704
    Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic emitting layer between the first and second electrodes. The organic emitting layer includes a first emitting part between the first and second electrodes, a second emitting part between the first emitting part and the second electrode, and a charge generation layer between the first emitting part and the second emitting part. The charge generation layer includes an n-type charge generation layer between the first emitting part and the second emitting part, and a p-type charge generation layer between the n-type charge generation layer and the second emitting part. The p-type charge generation layer has a multi-layered structure, where an organic charge generation material layer and an inorganic charge generation material layer are alternately stacked.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 18, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Bo-Min SEO, Kyung-Jin YOON, Joong-Hwan YANG
  • Publication number: 20200185622
    Abstract: The present disclosure provides a compound of following formula and an organic light emitting device and an organic light emitting display device including the compound. The compound of the present disclosure serves as a host or a dopant in an emitting material layer.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Inventors: Kyung-Jin YOON, Yu-Jin BAE, Bo-Min SEO, Jeong-Eun BAEK, Joong-Hwan YANG, Chun-Ki KIM, Jung-Hyun YOON, Hyung-Won CHO, Kyu-Soon SHIN, Jeong-A SEO, Hyung-Jin LEE, Young-Sam JIN, Dong-Hyun LEE
  • Patent number: 10651399
    Abstract: Embodiments relate to a delayed fluorescence compound of The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: May 12, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Publication number: 20200075966
    Abstract: The present disclosure provides a separator for a fuel cell, including a central part with a rectangular shape, and a surrounding part disposed to surround the central part, wherein the surrounding part includes an outlet manifold positioned at a pair of edges of the central part, which are opposed each other, and an inlet manifold positioned along a side of the central part to be adjacent to another edge except for the pair of edges at which the outlet manifold is positioned, and the central part includes a plurality of guide patterns that are spaced apart from each other to guide fluids introduced through the inlet manifold toward the outlet manifold.
    Type: Application
    Filed: February 27, 2019
    Publication date: March 5, 2020
    Applicants: Korea Institue Of Science And Technology, Industry-Academic Cooperation Foundation , Yonsei University
    Inventors: Jong Ho LEE, Kyung Joong Yoon, Sang Hyeok Lee, Dong Hwan Kim, Jong Sup Hong, Yong Gyun Bae
  • Publication number: 20200048199
    Abstract: An organic compound having a naphtho fluoranthene core and a hetero aromatic group bonded to a specific position of the naphtho fluoranthene core, an organic light-emitting diode and an organic light-emitting device including the compound are disclosed. Since the organic compound has a narrow Stokes Shift between an absorption wavelength and an emission wavelength, the organic compound has a broad overlapped area between its absorption peak and an emission peak of a delayed fluorescent material, and therefore it can emit blue light with high color purity. It is possible to manufacture an organic light-emitting diode (OLED) and an organic light-emitting device that enhance luminous efficiency and color purity using the organic compound.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 13, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Jeong-Eun BAEK, Mi-Sang YOO, Kyung-Jin YOON, Joong-Hwan YANG
  • Publication number: 20200034154
    Abstract: An electronic apparatus and a power controlling method thereof are provided. The electronic apparatus may include a wireless communicator that communicates with a remote controller, a wired communicator that connects with an external input device and a processor that controls the wireless communicator to transmit a control signal to the remote controller for turning off power of the connected external input device in response to receiving a signal from the remote controller for turning off power of the electronic apparatus.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je-hwan Seo, Jong-jin Park, Seung-il Yoon, Min-sup Kim, Hyun-kyu Yun, Kyung-ik Cho
  • Publication number: 20200010600
    Abstract: The present invention relates to a polymer composition, an optical laminate and a display device, and can provide a polymer composition capable of forming a pressure-sensitive adhesive layer which has excellent workability, durability and dimensional stability and is capable of effectively alleviating the bending phenomenon of the display, through a polymer capable of forming a physically cross-linked structure together with a chemically cross-linked structure. In addition, the present invention can provide an optical laminate comprising a cross-linked product of the polymer composition and a display device comprising the same.
    Type: Application
    Filed: September 7, 2017
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Han Na Chi, Sang Ha Son, Su Jee Kwon, Chang Hwan Ju, Geun Ho Park, Kyung Oh Kim
  • Publication number: 20190394615
    Abstract: A server may include a communication circuit communicating with a user terminal, storage including a fingerprint DB storing fingerprints corresponding to a plurality of points and a signal fluctuation probability DB, and a processor electrically connected to the communication circuit and the storage. The processor may be configured to store similarity between first signal strength and second signal strength, which are determined based on a probability that a pair of the first signal strength and the second signal strength received from a first AP occurs with respect to fingerprints corresponding to a first point, in the signal fluctuation probability DB, to obtain a fingerprint including signal strength received from the first AP, from the user terminal, and to determine a location of the user terminal based on the obtained fingerprint and the signal fluctuation probability DB.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 26, 2019
    Inventors: Sung Hwan AHN, Byeong Cheol MOON, Suk Hoon JUNG, Dong Soo HAN, Kyung Shik ROH, Suk June YOON
  • Patent number: 10511947
    Abstract: A remote control apparatus is provided.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: December 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-hwan Seo, Chae-young Lim, Young-hoon Moon, Jong-ha Woo, Kyung-ik Cho, Min-sup Kim, Min-ji Kim, Jin Seol, Ki-hyun Song, Suk-hoon Yoon, Hyun-kyu Yun, Jong-keun Lee, Woong-no Jung
  • Publication number: 20190375144
    Abstract: The present invention relates to an extrusion die and a method for extruding a sheet using the same, and according to one aspect of the present invention, there is provided an extrusion die comprising a storage part configured to hold a raw material, the storage part defining a first width, a pressure part configured to move the raw material through the storage part, a first die defining a second width less than the first width, such that a flow width of the raw material becomes narrower, a second die in fluid communication with the first die, the second die defining a width that increases from the second width to a third width, such that the flow width of the raw material passing through the first die becomes wider and a flow thickness becomes smaller, and a heating part configured to heat the raw material passing through the second die.
    Type: Application
    Filed: January 26, 2018
    Publication date: December 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Chae Gyu Lee, Myung Han Lee, Byeong In Ahn, Kyung Hwan Yoon, Chang Kwon Chung
  • Patent number: 10505167
    Abstract: The present disclosure provides a separator for an electrochemical device, comprising: a porous polymer film; and a porous coating layer formed on one or both surfaces of the porous polymer film and comprising at least one of inorganic particles and organic particles, and a binder polymer, wherein fibrils in the surface of the porous polymer film are entangled with the particles in the porous coating layer in the contact surface between the porous polymer film and the porous coating layer, and the separator has an air permeability of 100 to 800 sec/100 cc, an electrical resistance of 0.5 to 1.5?, and a heat-shrinkage rate of 8% or less in each of machine and transverse directions, and an electrochemical device having the same.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: December 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Bi-Oh Ryu, Kyung-Hwan Yoon, Heon-Sik Song
  • Patent number: 10492668
    Abstract: Disclosed herein are an endoscope system and a control method thereof. The control method includes acquiring plural omnidirectional images of the surroundings of an endoscope using a stereo omnidirectional camera mounted on the endoscope, calculating distances between the endoscope and an object around the endoscope using the acquired plural omnidirectional images, and executing an operation to avoid collision between the endoscope and the object around the endoscope based on the calculated distances, thus facilitating safe operation of the endoscope.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: December 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk June Yoon, No San Kwak, Kyung Shik Roh, Sung Hwan Ahn, Won Jun Hwang
  • Patent number: 10483550
    Abstract: Provided is a solid oxide cell including a fuel electrode layer, electrolyte layer and an air electrode layer, wherein a diffusion barrier layer is provided between the air electrode layer and the electrolyte layer, the diffusion barrier layer includes: a first diffusion barrier layer formed on the electrolyte layer and including a sintered ceria-based metal oxide containing no sintering aid; and a second diffusion barrier layer formed on the first diffusion barrier layer and including a sintered product of a ceria-based metal oxide mixed with a sintering aid, the first diffusion barrier layer includes a sintered product of nanopowder and macropowder of a ceria-based metal oxide, and the first diffusion barrier layer and the second diffusion barrier layer are sintered at the same time. The diffusion barrier layer is densified, shows high interfacial binding force and prevents formation of a secondary phase derived from chemical reaction with the electrolyte.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: November 19, 2019
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyung Joong Yoon, Seung-Hwan Lee, Mansoo Park, Jongsup Hong, Hyoungchul Kim, Ji-Won Son, Jong Ho Lee, Byung Kook Kim, Hae-Weon Lee
  • Patent number: 10459738
    Abstract: An electronic apparatus and a power controlling method thereof are provided. The electronic apparatus may include a wireless communicator that communicates with a remote controller, a wired communicator that connects with an external input device and a processor that controls the wireless communicator to transmit a control signal to the remote controller for turning off power of the connected external input device in response to receiving a signal from the remote controller for turning off power of the electronic apparatus.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: October 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Je-hwan Seo, Jong-jin Park, Seung-il Yoon, Min-sup Kim, Hyun-kyu Yun, Kyung-ik Cho
  • Patent number: 10448812
    Abstract: Surgical trocars, and image acquisition method using the same, include a body having a passage configured to receive at least one surgical instrument, and at least one camera movably coupled to an outer wall of the body.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk June Yoon, Kyung Shik Roh, Soon Yong Park, Sung Hwan Ahn, Ji Hyo Lee, Won Jun Hwang, Hyo Seok Hwang
  • Patent number: 10435598
    Abstract: Provided are an adhesive bonding composition for optical use and a multistage curing method thereof, the composition including a methacrylate-based monomer and an acrylate-based monomer, in which a weight ratio of the methacrylate-based monomer to the acrylate-based monomer ranges from about 1:1 to about 1:10.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: October 8, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Bo-Ra Yeon, Bu-Gi Jung, Sang-Hwan Kim, Kyung-Joon Yoon, Jang-Soon Kim, Won-Gu Choi