Patents by Inventor Hoon Cho

Hoon Cho 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: 11044909
    Abstract: The present disclosure relates to a composition for the destruction of microalgae or mosses. The composition for the destruction of microalgae or mosses may suppress the growth and proliferation of microalgae when treated in moss cultivation facilities, marine microalgae cultivation facilities, areas in which green or red tide is occurring, or areas in which green or red tide is expected to occur, thereby preventing damage caused by the green or red tide.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: June 29, 2021
    Assignee: CUREARTH, INC.
    Inventors: Hoon Cho, Sun Jong Yu, Seung Ho Baek, Hyung Joon Cha
  • Patent number: 11048896
    Abstract: A control box for a learning or entertainment token according to an embodiment of the present disclosure includes tokens in which different codes are recorded, a token gate into which the tokens are inserted, a token rail configured to guide the tokens inserted into and falling from the token gate, a detection unit configured to detect the codes recorded in the tokens and installed between the token gate a storage box, and the storage box in which the tokens passing through the detection unit are stored, wherein when the code recorded in the token falling along the token rail is detected and transmitted to an external terminal, the terminal is configured to run a corresponding learning or entertainment application or proceed with steps, and thus preferred learning or entertainment is easily progressed step by step, thereby increasing an effective learning effect.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: June 29, 2021
    Inventor: Sung Hoon Cho
  • Patent number: 11042954
    Abstract: A system and method for communication between devices are provided. According to the embodiments of the present disclosure, it is possible to easily authenticate a counterpart device using a one-time key HN(T) for a D2D communication between a first device and a second device, without using a separate secure channel (e.g., secure sockets layer (SSL), transport layer security (TLS), or the like) in an environment where it is difficult to synchronize the first device with the second device without intervention of a server.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Hyo-Jin Yoon, Kyu-Young Choi, Duk-Jae Moon, Ki-Young Kim, Jang-Hyuk Ahn, Ji-Hoon Cho
  • Patent number: 11036457
    Abstract: A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yong Park, Min-jung Kim, Sang-kyun Im, Young-hoon Cho
  • Patent number: 11029912
    Abstract: Provided a display apparatus including a display including a plurality of display modules, each display module of the plurality of display modules including a pixel driving circuit and at least one pixel including a red inorganic light emitting element, a green inorganic light emitting element, and a blue inorganic light emitting element, a signal receiver configured to receive an image signal having a plurality of grayscales, and a controller configured to divide the display into a plurality of regions, each region of the plurality of regions having a same area and including at least one display module among the plurality of display modules, calibrate the image signal to output uniform light from each of the plurality of regions, and control the pixel driving circuit to display an image based on the calibrated image signal.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Yong Park, Young-Hoon Cho, Sang Kyun Im
  • Patent number: 11012424
    Abstract: An authentication system and method are provided. According to the embodiments of the present disclosure, it is possible to provide a secure authentication service capable of maintaining personal privacy by enabling authentication while preventing personal information used for personal authentication, such as biometric information, from being exposed in the authentication process.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Ji-Hoon Cho, Hyo-Jin Yoon, Duk-Jae Moon
  • Publication number: 20210143299
    Abstract: A method of manufacturing a micro-light emitting diode (LED)-based display, and a micro-LED-based display are provided. The method includes forming a micro-LED partitioned in the unit of a plurality of sub-pixels on a semiconductor substrate, planarizing the micro-LED by forming a planarization layer on at least a portion of the micro-LED, forming a via hole in the planarization layer, and integrating the micro-LED and a thin-film transistor (TFT) for an operation of the sub-pixels by arranging and depositing the TFT on the planarized micro-LED.
    Type: Application
    Filed: September 18, 2020
    Publication date: May 13, 2021
    Inventors: Yong-Hoon CHO, Young Chul SIM
  • Patent number: 11005004
    Abstract: Provided is a micro light emitting diode (LED) structure including an n-type semiconductor substrate layer, a light emitting structure layer formed on the n-type semiconductor substrate layer, and a p-type semiconductor layer formed on the light emitting structure layer, wherein the light emitting structure layer includes an arrangement of light emitting structures in which active layers including In and Ga are formed on tops thereof, wherein the light emitting structure layer forms at least three distinctive regions each including a single light emitting structure or a plurality of light emitting structures, the distinctive regions configured to emit light of at least two different wavelengths, the distinctive regions are controllable to emit light individually, and the distinctive regions are different in at least one of sizes of base faces, heights, and center-to-center distances of the lighting emitting structures of the regions.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 11, 2021
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yong-Hoon Cho, Youngchul Sim, Kie Young Woo
  • Patent number: 11002945
    Abstract: An optical lens system is disclosed. The optical lens system includes a first lens that has negative refractive power, a second lens that has positive refractive power, a third lens that has positive refractive power, a fourth lens that has refractive power, a fifth lens that has positive refractive power, a sixth lens that has negative refractive power, an aperture located between the second lens and the third lens, and conditional expressions of “?1.4<tan ?/f<?1.1” and “4.0<TTL/BFL<6.0” are satisfied when ? is an angle of view of the optical lens system in a diagonal direction, f is a focal length of the optical lens system, TTL is a distance on an optical axis from the object-side surface of the first lens to the sensor, and BFL is a distance on the optical axis from the sensor-side surface of the sixth lens to the sensor.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: May 11, 2021
    Assignee: ELCOMTEC CO., LTD.
    Inventors: Se Jin Kim, Jae Hoon Cho, Sun Myung Kang
  • Patent number: 10999056
    Abstract: An apparatus and method for performing operation being secure against side channel attack are provided. The apparatus and method generate values equal to values obtained through an exponentiation operation or a scalar multiplication operation of a point using values extracted from previously generated parameter candidate value sets and an operation secure against side-channel attack, thereby improving security against side-channel attack without degrading performance.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho
  • Publication number: 20210119184
    Abstract: An organic light emitting diode display device, including a flexible substrate; pixels on the flexible substrate, the pixels including an organic emission layer; a pixel definition layer between the pixels, the pixel definition layer including openings; an encapsulation layer covering the pixels; and a conductive light shielding member on the encapsulation layer, the conductive light shielding member not overlapped with the pixels, and overlapped with the pixel definition layer.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 22, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seong Min WANG, Jung Gun NAM, Byeong Hoon CHO, Mu Gyeom KIM
  • Publication number: 20210105139
    Abstract: A method for user authentication according to one embodiment of the present disclosure includes acquiring authentication information including biometric information of a user, generating a random string and a helper string from the biometric information, generating a secret value that corresponds to the authentication information, generating a private key and a public key using the secret value and the random string, and transmitting the public key to an authentication server.
    Type: Application
    Filed: October 26, 2019
    Publication date: April 8, 2021
    Inventors: Kyu-Young Choi, Hee-Jin Park, Ji-Hoon Cho
  • Publication number: 20210105134
    Abstract: A method for performing a matrix multiplication operation being secure against side-channel attacks according to one embodiment, which is performed by a computing device comprising one or more processors and a memory storing one or more programs to be executed by the one or more processors, includes shuffling an order of execution of multiplication operations between elements of a first matrix and elements of a second matrix for a matrix multiplication operation between the first matrix and the second matrix; and performing the matrix multiplication operation based on the shuffled order of execution.
    Type: Application
    Filed: October 26, 2019
    Publication date: April 8, 2021
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Ji-Hoon Cho, Dong Guk HAN, Bo Yeon SIM, Jae Geun MOON, Ae Sun PARK
  • Patent number: 10965454
    Abstract: Disclosed are an apparatus and method for public key encryption using a white-box cipher algorithm. An apparatus for public key encryption using a white-box cipher algorithm includes a key table generator configured to generate at least one key table from a cipher key, a hidden-key table generator configured to convert the at least one key table into at least one hidden-key table, and an encryption algorithm generator configured to generate a white-box implemented encryption algorithm by using the at least one hidden-key table and an inverse operation of the conversion and provide the generated encryption algorithm as a public key for encryption.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Duk-Jae Moon, Kyu-Young Choi, Ji-Hoon Cho
  • Publication number: 20210092472
    Abstract: Provided is a device including: a controller configured to obtain illumination information about illumination around the device, determine, based on the illumination information, a thickness of an outline of an object included in content reproduced by the device, and perform image processing on the content such that the outline of the object is represented as having the determined thickness; and a display displaying the content on which the image processing is performed.
    Type: Application
    Filed: March 19, 2018
    Publication date: March 25, 2021
    Inventors: Jung-hoon CHO, Seung-chan KIM, Yong-nam KIM
  • Patent number: 10951402
    Abstract: Disclosed are an apparatus and method for encryption. The encryption apparatus includes a key table generator configured to generate at least one encryption key table from random values obtained from a seed value and generate at least one decryption key table from the at least one encryption key table; an algorithm generator configured to generate an encryption algorithm having a Misty structure that has a round function to which the at least one encryption key table is applied and a decryption algorithm having a Misty structure that has a round function to which the at least one decryption key table is applied; an encryptor configured to encrypt plaintext data with the encryption algorithm; and a decryptor configured to decrypt encrypted data with the decryption algorithm.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Duk-Jae Moon, Kyu-Young Choi, Ji-Hoon Cho
  • Patent number: 10917753
    Abstract: An operation method of an electronic device is provided. The method includes receiving biometric information of a first user from a first external electronic device, receiving information sensed by a second external electronic device, which is located at a selected place associated with the first external electronic device, from the second external electronic device, generating user guide information at least partially based on the received biometric information of the first user and sensed information, receiving at least one of information indicating that the first external electronic device is located at the selected place and a user input for requesting of the user guide information via the second external electronic device, and in response to at least one of the received information and the user input, displaying the user guide information via a display device located at the selected place.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: February 9, 2021
    Inventors: Hongchun Chon, Bumki Min, Woongjo Woo, Wonsuk Chung, Hoon Cho
  • Publication number: 20210028513
    Abstract: Provided are a sensing assembly and a battery module including the same, having improved economical efficiency in such a manner that a relatively expensive flexible printed circuit board is used in a smaller amount by allowing a relatively inexpensive rigid printed circuit board to replace a portion of the flexible printed circuit board used for a conventional sensing assembly.
    Type: Application
    Filed: July 20, 2020
    Publication date: January 28, 2021
    Inventors: Sei Hoon Cho, Young Ki Kim
  • Patent number: 10903975
    Abstract: An apparatus and method for performing an operation which are secure against side-channel attack are provided. According to one embodiment of the present disclosure, the apparatus includes a first extractor configured to extract one or more first parameter candidate values corresponding to a seed value from a first parameter candidate value set, a first outputter configured to output a first output values using the extracted first parameter candidate values, a second extractor configured to extract one or more second parameter candidate values corresponding to the seed value from a second parameter candidate value set, and a second outputter configured to output a second output value using the extracted second parameter candidate values wherein the second output value is capable of being generated using the first output value.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho
  • Patent number: D915970
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: April 13, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kyu Hoon Cho, Je Won Seo