Patents by Inventor Hongseok Kim

Hongseok Kim 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: 11177704
    Abstract: An interior permanent magnet motor includes a stator provided with a plurality of slots and a rotor rotatably disposed inside the stator. A plurality of permanent magnets of the same polarity are disposed at equal intervals in a circumferential direction inside the rotor. A plurality of flux bathers are provided on left and right sides of one end of each of the plurality of permanent magnets adjacent to an outer circumferential surface of the rotor. A ratio of a number of slots of the stator to a number of magnetic poles of the rotor is 3:2 or 3:4. The number of permanent magnets provided in the rotor is ½ of the number of magnetic poles of the rotor.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: November 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Taeho Yoon, Junseok Kim, Hyungchul Lee, Byoungsoo Ko, Hongseok Kim
  • Patent number: 11156961
    Abstract: A method and apparatus for processing hologram image data capable of optimizing image quality of a hologram image are provided. The image processing method includes receiving input image data, reading a header included at a predetermined location in the input image data, and generating hologram data configured to display a hologram image by performing a Fourier calculation and pixel encoding on the input image data based on at least one parameter recorded in the header, wherein the at least one parameter recorded in the header includes at least one of depth information, scale information, and gamma information.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 26, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., University of Seoul Industry Cooperation Foundation
    Inventors: Hojung Kim, Kichul Kim, Yongkyu Kim, Hongseok Lee
  • Patent number: 11156225
    Abstract: An embodiment of the present invention relates to a flow generating device comprising: a main body comprising a first suction part and a second suction part disposed at sides opposite to each other, a first inner discharge part through which air suctioned into the first suction part passes, a second inner discharge part through which air suctioned into the second suction part passes, and at least one outer discharge part through which air passing through the first inner discharge part and air passing through the second inner discharge part are discharged to the outside; a first fan disposed between the first suction part and the first inner discharge part; and a second fan disposed between the second suction part and the second inner discharge part.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: October 26, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Heechul Park, Myungjin Ku, Hongseok Kim, Eunsun Lee
  • Publication number: 20210326584
    Abstract: An augmented reality (AR) device and a method of predicting a pose in the AR device is provided. In the augmented reality (AR) device inertial measurement unit (IMU) values corresponding to the movement of the AR device are obtained at an IMU rate, intermediate 6-degrees of freedom (6D) poses of the AR device are estimated based on the IMU values and images around the AR device via a visual-inertial simultaneous localization and mapping (VI-SLAM) module, and a pose prediction model for predicting relative 6D poses of the AR device is generated by performing learning by using a deep neural network.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 21, 2021
    Applicants: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Yuntae Kim, Sanghoon Sull, Geeyoung Sung, Hongseok Lee, Myungjae Jeon
  • Publication number: 20210325827
    Abstract: A holographic display apparatus capable of providing an expanded viewing window and a display method are provided. The holographic display apparatus includes an image processor configured to provide computer generated hologram (CGH) data to a spatial light modulator, wherein the image processor is further configured to generate a hologram data array comprising information of the holographic image to be reproduced at the first resolution or a resolution less than the first resolution, perform an off-axis phase computation on the hologram data array at the second resolution, and then, generate the CHG data at the first resolution.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 21, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation, Sejong Campus
    Inventors: Hoon SONG, Hwi KIM, Jungkwuen AN, Hongseok LEE, Yunhee KIM, Chilsung CHOI
  • Patent number: 11144010
    Abstract: A focus modulation optical system and a holographic display device having the focus modulation optical system are disclosed. The holographic display device includes a light source configured to emit a plurality of color lights, a focus modulation optical system including at least one variable focus lens that is configured to change a focusing position of incident light by electrical control of the at least one variable focus lens based on a color of light incident on the variable focus lens, and a spatial light modulator configured to form a holographic image by diffracting light output from the focus modulation optical system.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kim, Hongseok Lee, Hoon Song, Jungkwuen An, Kanghee Won, Chilsung Choi
  • Patent number: 11143868
    Abstract: A three-dimensional (3D) image display apparatus is provided. The apparatus includes a plurality of light sources; a spatial light modulator configured to modulate light from the plurality of light sources according to 3D image information; and a focusing optical system configured to focus an image formed by the spatial light modulator onto a focal plane. The plurality of light sources may be arranged such that multiple focal points, respectively corresponding to the plurality of light sources, are formed on the focal plane near a pupil of a user.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wontaek Seo, Geeyoung Sung, Sunil Kim, Bongsu Shin, Changkun Lee, Hongseok Lee
  • Publication number: 20210302757
    Abstract: A geometric phase optical element and a three-dimensional display apparatus including the same are provided. The geometric phase optical element includes: a liquid crystal layer; a first electrode on a surface of the liquid crystal layer; and a second electrode on another surface of the liquid crystal layer, wherein, when no voltage is applied to the first and second electrodes, the liquid crystal layer is configured such that a phase difference according to an arrangement of the liquid crystal is ? and light transmitted through the liquid crystal layer is diffracted by a first deflection angle, and when a first voltage that causes the phase difference according to the arrangement of the liquid crystal to become ?/2 is applied to the first and second electrodes, the liquid crystal layer is configured such that the light transmitted through the liquid crystal layer is diffracted by a second deflection angle.
    Type: Application
    Filed: September 29, 2020
    Publication date: September 30, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kim, Soonbum Kwon, Byonggwon Song, Jungkwuen An, Kanghee Won, Hongseok Lee, Jong-Young Hong
  • Publication number: 20210294115
    Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.
    Type: Application
    Filed: October 1, 2020
    Publication date: September 23, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kanghee Won, Young Kim, Jungkwuen An, Hongseok Lee
  • Patent number: 11119444
    Abstract: A backlight unit for a binocular-holographic display device and a holographic display device including the same are provided. The backlight unit includes a light source unit which outputs light, a first beam expansion unit which expands, in a first direction, the light output from the light source unit, a second beam expansion unit which expands, in a second direction perpendicular to the first direction, the light output from the first beam expansion unit, and a beam deflection unit which diffracts light incident on the first beam expansion unit. The holographic display device includes the backlight unit, a field lens, and a spatial light modulator.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: September 14, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yunhee Kim, German B. Dubinin, Alexander V. Morozov, Sunil Kim, Hoon Song, Jungkwuen An, Young Kim, Hongseok Lee, Chilsung Choi
  • Publication number: 20210272249
    Abstract: An electronic device comprises: a camera, at least one communication module; at least one memory; and at least one processor.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 2, 2021
    Inventors: Changsu HAN, Youngjo KIM, Hyunhee PARK, Hongseok YANG, Sungjun LIM, Kihuk LEE
  • Publication number: 20210271090
    Abstract: Provided is an image display device including a display element configured to modulate light to form an image; a light transfer unit configured to transmit the image formed by the display element to eyes of an observer, the light transfer unit comprising a focusing member; and a driver configured to drive the display element to change a position of the display element, the driver including: a first actuator comprising a deformable wire; a housing that fixes a first end and a second end of the deformable wire; and an operating structure through which the deformable wire is routed, wherein the operating structure is configured move the display element in a first direction in conjunction with a length variation of the deformable wire, and the operating structure includes an elastic structure configured to prevent tilt with respect to an axis in the first direction.
    Type: Application
    Filed: February 8, 2021
    Publication date: September 2, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Bongsu SHIN, Jesung KOH, Geeyoung SUNG, Hongseok LEE, Dongjin KIM, Baekgyeom KIM
  • Publication number: 20210271083
    Abstract: An anamorphic optical system and a display apparatus including the same are disclosed. The anamorphic optical system includes an illumination system having astigmatism, and first and second correction lenses that are provided to have tangential power and sagittal power respectively and correct the astigmatism in the illumination system. The first and second correction lenses are provided in which a difference between a distance from the first correction lens to a tangential image formed by the first correction lens and a distance from the second correction lens to a sagittal image formed by the second correction lens corresponds to a distance between the first correction lens and the second correction lenses, and at least one of the first correction lens and the second correction lens has an asymmetric stop to form the tangential image and the sagittal image on the same surface.
    Type: Application
    Filed: September 30, 2020
    Publication date: September 2, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION
    Inventors: Bongsu SHIN, Woojun HAN, Jaisoon KIM, Sunil KIM, Hongseok LEE
  • Publication number: 20210158885
    Abstract: A memory system is provided. In the memory system, a memory controller transmits a write enable signal and a data strobe signal to a flash memory device, a command or an address is transmitted at a rising edge or a falling edge of the write enable signal through a data line in a single data rate (SDR) scheme, and input data is transmitted at each of a rising edge and a falling edge of the data strobe signal through the data line in a double data rate (DDR) scheme. The memory controller includes a parity signal generation unit configured to receive the write enable signal transmitted in the DDR scheme and output a parity signal by generating a first parity bit for the input data. The flash memory device includes a bit error detection unit configured to receive the parity signal output from the memory controller, generate a second parity bit for the input data received by the flash memory device, and determine whether a bit error has occurred to the input data by performing a parity check.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Applicant: FADU Inc.
    Inventors: Hongseok KIM, Kyoungseok RHA, EHyun NAM
  • Publication number: 20210141559
    Abstract: A memory controller and a storage device including the same are provided. The memory controller for performing a buffering operation of temporarily storing data to be written to a non-volatile memory and data to be read from the non-volatile memory in a buffer memory includes a buffer request queue configured to store a plurality of buffer write requests requesting data to be temporarily stored in the buffer memory and a plurality of buffer read requests requesting data stored in the buffer memory to be read, a buffer traffic monitor configured to calculate the total amount of requested data in real time by summing the lengths of data specified in the respective buffer write requests and the respective buffer read requests stored in the buffer request queue, and a buffer manager configured to control execution of the buffering operation by setting an execution ratio based on the total amount of requested data calculated in real time.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 13, 2021
    Applicant: FADU Inc.
    Inventors: Hongseok KIM, EHyun NAM, Yeong-Jae WOO, Jin-yong CHOI
  • Publication number: 20210109673
    Abstract: A memory controller and a storage device including the same are provided. The memory controller includes memory channel controllers configured to perform erase, program, read, erase suspend and program suspend operations for flash memories, a flash translation layer configured to control the memory channel controllers to process write/read commands, allocate a buffer space in a buffer memory in response to a write command in the write/read commands, temporarily store data in the allocated buffer space, and deallocate the buffer spaceaafter the data is programmed to the flash memory, a host interface configured to receive the write/read commands from a host and transmit the received write/read commands to the flash translation layer, and a suspend-limit changer configured to dynamically change an erase/program suspend-limit based on the size of the allocable buffer space, the erase/program suspend-limit being a maximum allowed number of erase/program suspend operations.
    Type: Application
    Filed: August 27, 2020
    Publication date: April 15, 2021
    Applicant: FADU Inc.
    Inventors: Eui Jin KIM, Hongseok KIM, EHyun NAM, Kyoungmoon SUN
  • Publication number: 20210096985
    Abstract: A memory controller and a storage device including the same are provided. The memory controller includes a memory channel controller configured to perform erase/program, read, and erase/program suspend operations for a flash memory, a flash translation layer configured to control an operation of the memory channel controller by receiving a write/read command, and transmit a completion for the write/read command, a host interface configured to receive the write/read command from a host, transmit the write/read command to the flash translation layer, receive the completion from the flash translation layer, and calculate a write/read latency for the write/read command based on the completion, and a suspend-limit changer configured to dynamically change an erase/program suspend-limit based on the calculated write/read latency, the erase/program suspend-limit being a maximum allowed number of erase/program suspend operations.
    Type: Application
    Filed: August 14, 2020
    Publication date: April 1, 2021
    Applicant: FADU Inc.
    Inventors: Eui Jin KIM, Hongseok KIM, EHyun NAM, Kyoungmoon SUN
  • Publication number: 20210006103
    Abstract: Disclosed is a compressor including a housing, and a motor including a stator to be interference fitted into and fixed to an inner circumferential surface of the housing and a rotor rotatable inside the stator. The stator includes an annular back yoke disposed inside the housing, a plurality of teeth extending radially inward from the back yoke, and a coil wound on the plurality of teeth. The back yoke includes a deformation portion compressed and deformed by the housing while the stator is interference fitted into the inner circumferential surface of the housing, a contact portion which protrudes radially outward from the deformation portion and being in contact with the housing, and a cavity formed on a radial inner side of the deformation portion into which which the deformation portion is deformed.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jinwoo CHO, Hongseok KIM, Jae-Woo PARK, Ui-Yoon LEE
  • Publication number: 20200355191
    Abstract: An embodiment of the present invention relates to a flow generating device comprising: a main body comprising a first suction part and a second suction part disposed at sides opposite to each other, a first inner discharge part through which air suctioned into the first suction part passes, a second inner discharge part through which air suctioned into the second suction part passes, and at least one outer discharge part through which air passing through the first inner discharge part and air passing through the second inner discharge part are discharged to the outside; a first fan disposed between the first suction part and the first inner discharge part; and a second fan disposed between the second suction part and the second inner discharge part.
    Type: Application
    Filed: August 31, 2018
    Publication date: November 12, 2020
    Inventors: Heechul PARK, Myungjin KU, Hongseok KIM, Eunsun LEE
  • Patent number: D918299
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: May 4, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangwon Yoon, Hongseok Kim, Joe Hyun, Yongho Lee