Patents by Inventor Chang Kyu An

Chang Kyu An 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: 11398461
    Abstract: An electronic device comprising: a first display panel having a first side facing an eye of a user; a second display panel having a first side disposed at a second side of the first display panel; a first optical element disposed at the first display panel to emit one of red (R), green (G), or blue (B) light; a second optical element disposed at the first display panel together with the first optical element and configured to emit another one of the R, G, or B light; and a third optical element disposed at the second display panel to emit the remaining one of the R, the G, and the B light. The electronic device according to the present disclosure may be associated with an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, and a device related to 5G services and the like.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 26, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Yong Shin, Sungchul Shin, Dong Young Lee, Chang Kyu Hwang
  • Publication number: 20220218593
    Abstract: Provided is a composition for skin whitening, including a Syzygium formosum extract as an active ingredient. The Syzygium formosum extract has excellent tyrosinase inhibitory activity, and thus can be usefully used as a cosmetic composition for skin whitening or a composition for preventing or alleviating melanin hyperpigmentation diseases. In addition, the Syzygium formosum extract has excellent antibacterial and antiatopic activities, thereby being useful as an antibacterial and antiatopic composition.
    Type: Application
    Filed: October 10, 2019
    Publication date: July 14, 2022
    Inventors: Chang Kyu LEE, Min Jee YOO, Hyun Ah YU, Jin Ju BAE, Nan Young LEE
  • Publication number: 20220216487
    Abstract: Disclosed is a solid oxide fuel cell power generation system including: a fuel cell module; a blower for supplying a gaseous fuel to the fuel cell module; an air supplier for supplying air to the fuel cell module; and a fuel supplier for supplying the gaseous fuel to the blower. The blower recycles at least a portion of an unreacted gaseous fuel to the fuel cell module.
    Type: Application
    Filed: October 27, 2021
    Publication date: July 7, 2022
    Applicant: InGineers
    Inventors: Chang Kyu SONG, Mun Kyoung CHOI, Sun Jin KIM
  • Publication number: 20220208088
    Abstract: A display device includes: a plurality of data lines extending in a first direction, and first to third pixels connected to the plurality of data lines. The first pixel includes a first pixel electrode overlapping the plurality of data lines in a plan view in a thickness direction. The second pixel includes a second pixel electrode spaced apart from the plurality of data lines in the plan view in the thickness direction. The third pixel includes a third pixel electrode overlapping the plurality of data lines in the plan view in the thickness direction.
    Type: Application
    Filed: October 6, 2021
    Publication date: June 30, 2022
    Inventors: Ki Wook KIM, Yang Wan KIM, Ji Su NA, Joong Soo MOON, Kyoung Jin PARK, Myeong Hee SEO, Seon I JEONG, Chang Kyu JIN
  • Publication number: 20220200622
    Abstract: A data transmission method for transmitting a data signal using four data signal levels during a unit interval and transmitting a data bus inversion (DBI) signal using two DBI signal levels during the unit interval, the method including: receiving n (n is a natural number) data, each of the n data including a first bit and a second bit; counting the number of data in which the first bit and the second bit have the same value among the n data; in response to the counting result being less than or equal to a predetermined number, transmitting the n data using the four data signal levels, together with a DBI signal having a first DBI signal level; and in response to the counting result being greater than the predetermined number, transmitting data, which is obtained by changing a value of either of the first bit and the second bit of the n data, using the four data signal levels, together with a DBI signal having a second DBI signal level different from the first DBI signal level.
    Type: Application
    Filed: August 30, 2021
    Publication date: June 23, 2022
    Inventors: Byung-Suk WOO, Chang Kyu Seol, Su Cheol Lee
  • Publication number: 20220192464
    Abstract: A shoe care device includes an inner cabinet, an air supply device that is configured to blow air to an accommodated space of the inner cabinet and includes a plurality of dehumidifying materials separate from one another, and a controller configured to control the air supply device. The air supply device includes a connection path configured to circulate air between an inlet and an outlet of the inner cabinet, and a regeneration path branched from the connection path and configured to guide air having passed through at least one of the dehumidifying materials to a portion of the air supply device other than the inlet. The controller is configured to control the air supply device to selectively open and close at least one of the connection path or the regeneration path based on whether or not at least one of the dehumidifying materials is heated.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 23, 2022
    Inventors: Taeyong JUNG, CHAN HO CHUN, Chang Kyu KIM, Hye Yong PARK, Manho CHUN, Sora KIM, DoHyun JUNG, Taehee LEE
  • Publication number: 20220192465
    Abstract: A shoe care device includes an inner cabinet that has an accommodation space configured to accommodate shoes therein, an inlet defined at a first portion of the accommodation space and configured to supply air to the accommodation space, and an outlet defined at a second portion of the accommodation space and configured to suction air from the accommodation space. The shoe care device further includes a connection path configured to circulate air between the inlet and the outlet, a blowing fan disposed at the connection path and configured to blow air from the outlet toward the inlet, a dehumidifying material disposed at the connection path and configured to dehumidify the air blown by the blowing fan, a heater configured to heat the dehumidifying material, and a regeneration path configured to guide, to a location other than the inlet, the air having passed through the dehumidifying material heated by the heater.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 23, 2022
    Inventors: Jeong Uk LEE, CHAN HO CHUN, Chang Kyu KIM, Hye Yong PARK, Manho CHUN, Sora KIM, DoHyun JUNG, Taehee LEE
  • Patent number: 11366978
    Abstract: A data recognition method includes: extracting a feature map from input data based on a feature extraction layer of a data recognition model; pooling component vectors from the feature map based on a pooling layer of the data recognition model; and generating an embedding vector by recombining the component vectors based on a combination layer of the data recognition model.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: June 21, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Insoo Kim, Kyuhong Kim, Chang Kyu Choi
  • Publication number: 20220172510
    Abstract: Disclosed is a face verification method and apparatus. The method including analyzing a current frame of a verification image, determining a current frame state score of the verification image indicating whether the current frame is in a state predetermined as being appropriate for verification, determining whether the current frame state score satisfies a predetermined validity condition, and selectively, based on a result of the determining of whether the current frame state score satisfies the predetermined validity condition, extracting a feature from the current frame and performing verification by comparing a determined similarity between the extracted feature and a registered feature to a set verification threshold.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 2, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Wonsuk CHANG, Deoksang KIM, Dae-Kyu SHIN, Byungin YOO, Seungju HAN, Jaejoon HAN, Jinwoo SON, Chang Kyu CHOI
  • Patent number: 11347308
    Abstract: A gaze tracking method and apparatus, and a gaze tracking neural network training method and apparatus are provided. The gaze tracking apparatus includes one or more processors and a memory, and the one or more processors obtain output position information from an input face image of a user using a neural network model, determines a position adjustment parameter for the user, and predicts gaze position information of the user by adjusting the output position information based on the position adjustment parameter.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 31, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yongchao Liu, Hui Zhang, Xiabing Liu, Byung In Yoo, Chang Kyu Choi, Jaejoon Han, Youngjun Kwak, Tianchu Guo
  • Patent number: 11347973
    Abstract: An apparatus for training an image generative model and an image generating apparatus are provided. The apparatus generates output images from a plurality of input images based on the generative model, extracts depth features from the respective output images based on a depth classification model, calculates a depth loss from the extracted depth features, and trains the generative model based on an overall loss that includes the calculated depth loss.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: May 31, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seon Min Rhee, Minsu Ko, Jihye Kim, Byung In Yoo, Chang Kyu Choi, Jaejoon Han
  • Publication number: 20220165685
    Abstract: A device and substrate are disclosed. An illustrative device includes a substrate having a first surface and an opposing second surface, a solder material receiving curved surface exposed at the second surface of the substrate, a solder resist material that at least partially covers the solder material receiving curved surface such that a middle portion of the solder receiving curved surface is exposed and such that an edge portion of the solder material receiving curved surface is covered by the solder resist material and forms an undercut, and a solder material disposed within the solder material receiving curved surface and within the undercut.
    Type: Application
    Filed: February 9, 2022
    Publication date: May 26, 2022
    Inventors: YongIk Choi, Chris Chung, Michael Leary, Domingo Figueredo, Chang Kyu Choi, Sarah Haney, Li Sun
  • Publication number: 20220141057
    Abstract: Provided are a data receiving device and a corresponding method for receiving the data. The data receiving device comprises a path control logic configured to store L symbol paths, where L is a natural number equal to or greater than 2, L feedback filters configured to calculate L inter-symbol interferences (ISI) for the L symbol paths, respectively, L operators configured to remove the L inter-symbol interferences from an output of a feed-forward equalizer, and a path metric calculator configured to receive outputs of the L operators and calculate a path metric for each of the L symbol paths, wherein the path control logic is configured to select L values among the calculated path metrics for the L symbol paths to update the L symbol paths.
    Type: Application
    Filed: July 9, 2021
    Publication date: May 5, 2022
    Inventors: Chang Kyu Seol, Byung-Suk Woo, Su Cheol Lee
  • Publication number: 20220138576
    Abstract: A lightened neural network method and apparatus. The neural network apparatus includes a processor configured to generate a neural network with a plurality of layers including plural nodes by applying lightened weighted connections between neighboring nodes in neighboring layers of the neural network to interpret input data applied to the neural network, wherein lightened weighted connections of at least one of the plurality of layers includes weighted connections that have values equal to zero for respective non-zero values whose absolute values are less than an absolute value of a non-zero value. The lightened weighted connections also include weighted connections that have values whose absolute values are no greater than an absolute value of another non-zero value, the lightened weighted connections being lightened weighted connections of trained final weighted connections of a trained neural network whose absolute maximum values are greater than the absolute value of the other non-zero value.
    Type: Application
    Filed: January 12, 2022
    Publication date: May 5, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Jinwoo SON, Byungin YOO, Chang Kyu CHOI, Jae-Joon HAN
  • Publication number: 20220112514
    Abstract: The disclosure in the specification relates to an artificial recombinant chromosome and the use thereof, and more particularly to an artificial recombinant chromosome generated by the recombination of two or more chromosomes and a production of a transgenic animal using a cell including the same. Especially, in the disclosure in the specification, an interchromosomal exchange between the recipient chromosome and the donor chromosome has many merits to produce the artificial recombinant chromosome for producing the transgenic animal.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 14, 2022
    Inventors: Chang Kyu OH, Soon-Ik Park, Ho Jin KANG, Ae Jin CHOI
  • Patent number: 11295111
    Abstract: An apparatus and method for detecting a fake fingerprint is disclosed. The apparatus may divide an input fingerprint image into blocks, determine an image quality assessment (IQA) value associated with each block, determine a confidence value based on the IQA values using a confidence determination model, and determine whether an input fingerprint in the input fingerprint image is a fake fingerprint based on the determined confidence value.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: April 5, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wonjun Kim, Youngsung Kim, Sungjoo Suh, Hyungsuk Kim, Chang Kyu Choi
  • Publication number: 20220097649
    Abstract: A technology is provided that secures the straightness of an electromagnetic wave signal transmitted and received according to the fastening of a buckle. A wireless seatbelt reminder device includes a tunnel member that is disposed in parallel to a seat rail, and has a passage formed therein. A sub-transmission and reception unit transmits an electromagnetic wave signal in the longitudinal direction of the passage as a seatbelt is fastened to a buckle and a main transmission and reception unit receives the electromagnetic wave signal transmitted by the sub-transmission and reception unit inside the passage to transfer the electromagnetic wave signal to an integrated controller.
    Type: Application
    Filed: February 22, 2021
    Publication date: March 31, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chang Kyu Bok, Hyun Kyu Moon, Young Rok Kim
  • Publication number: 20220102405
    Abstract: An image sensor is provided and may include a semiconductor substrate having a surface and including trench, the trench extending from the surface into the semiconductor substrate, an insulating pattern provided in the trench and a doped region in the semiconductor substrate and on the insulating patterns. The doped region includes a side portion on a side surface of the insulating pattern, and a bottom portion on a bottom surface of the insulating pattern. A thickness of the side portion of the doped region is from 85% to 115% of a thickness of the bottom portion of the doped region, and a number of dopants per unit area in the side portion of the doped region is from 85% to 115% of a number of dopants per unit area in the bottom portion.
    Type: Application
    Filed: April 23, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kook Tae KIM, Chang Kyu LEE, Dongmo IM, Ju-eun KIM, Miseon PARK, Jungim CHOE, Soojin HONG
  • Publication number: 20220092295
    Abstract: A three-dimensional (3D) image-based facial verification method and apparatus is provided. The facial verification method may include capturing a facial image of a 3D face of a user, determining an occluded region in the captured facial image by comparing the captured facial image and an average facial image, generating a synthetic image by synthesizing the captured facial image and the average facial image based on the occluded region, and verifying the user based on the synthetic image.
    Type: Application
    Filed: December 2, 2021
    Publication date: March 24, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungju HAN, Minsu KO, Jaejoon HAN, Chang Kyu CHOI
  • Patent number: 11276650
    Abstract: A device and substrate are disclosed. An illustrative device includes a substrate having a first surface and an opposing second surface, a solder material receiving curved surface exposed at the second surface of the substrate, a solder resist material that at least partially covers the solder material receiving curved surface such that a middle portion of the solder receiving curved surface is exposed and such that an edge portion of the solder material receiving curved surface is covered by the solder resist material and forms an undercut, and a solder material disposed within the solder material receiving curved surface and within the undercut.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: March 15, 2022
    Assignee: Avago Technologies International Sales Pte. Limited
    Inventors: YongIk Choi, Chris Chung, Michael Leary, Domingo Figueredo, Chang Kyu Choi, Sarah Haney, Li Sun