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: 10585330
    Abstract: A liquid crystal light deflector includes a first electrode layer including line electrodes, a second electrode layer including a common electrode, and a liquid crystal layer that forms an electrical prism using liquid crystal molecules according to an electric field formed between the first and second electrode layers. The orientations of the liquid crystal molecules may be reset by an electric field formed between line electrodes of adjacent channels within the first electrode layer. A method of deflecting light includes controlling the first electrode layer and the second electrode layer to reset the orientation of the liquid crystal molecules prior to forming an electrical prism in the liquid crystal layer.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kim, Alexander V. Morozov, Hoon Song, Kanghee Won, Hongseok Lee
  • Patent number: 10563316
    Abstract: The present invention relates to an Fe—P—Cr alloy thin plate and a method for manufacturing the same. An embodiment of the present invention provides an Fe—P—Cr alloy thin plate including, in terms of wt %, P (6.0-13.0%), Cr (0.002-0.1%), and the balance of Fe and other inevitable impurities.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: February 18, 2020
    Assignee: POSCO
    Inventors: Dongkyun Kim, Hongseok Yang
  • Publication number: 20200050146
    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: Application
    Filed: October 23, 2019
    Publication date: February 13, 2020
    Applicant: 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: 20200050145
    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: Application
    Filed: February 27, 2019
    Publication date: February 13, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young KIM, Hongseok Lee, Hoon Song, Jungkwuen An, Kanghee Won, Chilsung Choi
  • Publication number: 20200033615
    Abstract: A three-dimensional (3D) image display apparatus includes a processor configured to determine, from image data of a 3D image to be displayed, a representative depth value based on a current frame of the 3D image and a previous frame of the 3D image, and an imaging optical system configured to generate the 3D image in a predetermined space by modulating light based on the representative depth value.
    Type: Application
    Filed: January 16, 2019
    Publication date: January 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yuntae Kim, Geeyoung Sung, Changkun Lee, Hongseok Lee
  • Publication number: 20200035027
    Abstract: A three-dimensional (3D) image display device includes a display device; a variable focus optical system configured to focus the 3D image formed by the display device on a reference plane, a processor configured to determine a representative depth value of the 3D image by selecting a depth position, from among a plurality of depth positions corresponding to the 3D image, as the representative depth value, and control the variable focus optical system to adjust the reference plane by adjusting a focal point of the variable focus optical system based on the representative depth value; and a transfer optical system configured to transfer the 3D image focused on the reference plane to a pupil of an observer.
    Type: Application
    Filed: December 31, 2018
    Publication date: January 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Geeyoung SUNG, Yuntae KIM, Changkun LEE, Hongseok LEE
  • Patent number: 10545328
    Abstract: An image processing apparatus includes a core configured to perform a fast Fourier transformation (FFT) operation on the image data, a memory configured to store data that is output by the core, and a controller configured to control the core to perform the FFT operation on the image data. The core is resettable based on an amount of the image data.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: January 28, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., University of Seoul Industry Cooperation Foundation
    Inventors: Hojung Kim, Kichul Kim, Yongkyu Kim, Hongseok Lee
  • Patent number: 10545337
    Abstract: A see-through holographic display apparatus includes a relay optical system expanding or reducing and transferring a hologram image generated by a spatial light modulator, a noise removal filter removing noise from diffraction light of the hologram image transferred through the relay optical system, and a light path converter changing at least one of a path of the diffraction light of the hologram image transferred from the relay optical system and a path of external light.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Geeyoung Sung, Yuntae Kim, Jungkwuen An, Hongseok Lee
  • Patent number: 10545532
    Abstract: A display apparatus includes: a display panel configured to display an image, one or more sound generation devices configured to vibrate the display panel to generate sound, a supporting member configured to support the display panel, a partition between the display panel and the supporting member, the partition including: a first side in a horizontal direction, and a second side in a vertical direction, one or more first pad parts on the first side of the partition, and one or more second pad parts on the second side of the partition, wherein a first of the one or more first pad parts includes a different material from a material of a first of the one or more second pad parts.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: January 28, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: YeongRak Choi, Sungtae Lee, Hogeol Lim, Daeho Kim, Hongseok Jung
  • Publication number: 20200012092
    Abstract: A holographic display device includes a light source configured to emit light, the light including first light of a first wavelength, second light of a second wavelength, and third light of a third wavelength; a spatial light modulator configured to form a holographic pattern to modulate the light emitted from the light source and to produce a holographic image; and a focusing optical system configured to focus the holographic image. The focusing optical system includes a fixed-focus optical system having a fixed focal length, and a variable focus optical system having a focal length that is changed by electrical control. The fixed-focus optical system is configured to focus the first light of the first wavelength, the second light of the second wavelength, and the third light of the third wavelength on different positions, respectively, on an optical axis to cancel a chromatic aberration by the variable focus optical system.
    Type: Application
    Filed: December 27, 2018
    Publication date: January 9, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoon SONG, Hongseok Lee, Young Kim, Jungkwuen An, Kanghee Won, Chilsung Choi
  • Publication number: 20200005735
    Abstract: The purpose of the present invention is to display layers in an electronic device, wherein an operating method of the electronic device can comprise the steps of: displaying, on a display, a first layer of which at least a portion is transparent; and displaying, on the display, a second layer of which at least a portion is overlapped with the first layer, and which is disposed on a lower end of the first layer, wherein the at least portion of the second layer can be set to be transparently displayed. In addition, other embodiments are possible.
    Type: Application
    Filed: January 5, 2018
    Publication date: January 2, 2020
    Inventors: Kibok KIM, Chang-Do KIM, Hongseok KWON, Youngseok LIM, Eun Jung HYUN
  • Publication number: 20200004018
    Abstract: Provided are a display apparatus and an electronic device including the display apparatus. The display apparatus may include a first optical combiner; a second optical combiner spaced apart from the first optical combiner; a first image forming device configured to provide a first image to the first optical combiner; a second image forming device configured to provide a second image to the second optical combiner; and a shared optical system arranged between the first and second optical combiners and the first and second image forming devices, wherein the shared optical system may include a shared optical path through which the first image and the second image are provided the first optical combiner and the second optical combiner, respectively.
    Type: Application
    Filed: November 19, 2018
    Publication date: January 2, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Changkun LEE, Yuntae KIM, Geeyoung SUNG, Wontaek SEO, Hongseok LEE
  • Patent number: 10523926
    Abstract: Provided are a backlight unit and a holographic display including the same. The backlight unit may include: a light guide plate; a light source unit configured to adjust a direction of light which is emitted from the light source unit and incident on the light guide plate; and a diffraction device which is disposed on the light guide plate and configured to control a direction of light emitted from the light guide plate.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunil Kim, Chilsung Choi, Jungkwuen An, Alexander V. Morozov, Hongseok Lee, Andrey N. Putilin, German B. Dubinin, Sergey E. Dubynin
  • Patent number: 10520727
    Abstract: A holographic display apparatus includes a spatial light modulator configured to generate hologram patterns to modulate light; an illuminator configured to emit the light to the spatial light modulator; and a controller configured to control operations of the spatial light modulator and the illuminator, the spatial light modulator being configured to generate, from among the hologram patterns, a first hologram pattern and a second hologram pattern according to the control operations of the controller, the first hologram pattern and the second hologram pattern being configured to form a first hologram image and a second hologram image having different viewpoints, and the controller being configured to set a first phase modulation value of the first hologram pattern and a second phase modulation value of the second hologram pattern to be different from each other such that hologram images having different viewpoints are formed.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jungkwuen An, Geeyoung Sung, Sunil Kim, Hongseok Lee, Chilsung Choi
  • Patent number: 10520438
    Abstract: A collection optics system for a spectrometer and a Raman spectral system including the collection optics system is provided. The collection optics system is configured to selectively collect a Raman signal from scattered light output from a target object, the collection optics system includes a non-imaging collection unit configured to collect the Raman signal and output the Raman signal, the non-imaging collection unit including an entrance surface on which the scattered light is incident and an exit surface through which the Raman signal is output, and a Raman filter provided on a portion of the entrance surface of the non-imaging collection unit and configured to block the scattered light including a fluorescence signal. Therefore, the collection optics system may suppress reception of the fluorescence signal of the scattered light and selectively collect the Raman signal.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Unjeong Kim, Jinyoung Park, Sungmo Ahn, Younggeun Roh, Hongseok Lee
  • Publication number: 20190379248
    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: Application
    Filed: June 5, 2019
    Publication date: December 12, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taeho YOON, Junseok KIM, Hyungchul LEE, Byoungsoo KO, Hongseok KIM
  • Patent number: 10488822
    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: December 27, 2016
    Date of Patent: November 26, 2019
    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: 20190339647
    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: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Applicant: 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
  • Patent number: D870205
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: December 17, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Hongseok Kim, Sangwon Yoon, Yongho Lee
  • Patent number: D876543
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: February 25, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hongseok Kim, Areum Kwon, Hewon Kihl, Sechang Park, Sangwon Yoon, Yongho Lee