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).

  • Publication number: 20200257311
    Abstract: The present invention relates to a cart having a leading and following function. More particularly, the present invention relates to a cart having a leading and following function and which follows a specific subject, and, when a following subject is present, decreases in velocity or stops moving, whereby the following subject can easily follow same.
    Type: Application
    Filed: November 11, 2019
    Publication date: August 13, 2020
    Inventors: Taehyoung KIM, Jaihoon LEE, Ayoung KWON, Jaesung KIM, Hongseok CHEON, Sijong KIM
  • Patent number: 10714540
    Abstract: A display device can include an organic light emitting diode disposed in a first pixel configured to emit a first color light, a second pixel configured to emit a second color light, and a third pixel configured to emit a third color light, in which the organic light emitting diode emits the third color light; a first color-conversion layer disposed on the organic light emitting diode in the first pixel; and a second color-conversion layer disposed on the organic light emitting diode in the second pixel, in which the first color light and the second color light have a longer wavelength than the third color light.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 14, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HeeYeol Kim, Hongseok Choi
  • Patent number: 10690958
    Abstract: A beam deflector includes a first wavelength selective polarizer configured to convert a polarization state of light in a first wavelength band into a first polarization state, a first liquid crystal deflector including liquid crystal molecules and an optical path change surface to deflect light incident from the first wavelength selective polarizer, and a controller configured to control the first liquid crystal deflector to adjust an angle of the first optical path change surface.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kanghee Won, Young Kim, Hoon Song, Sunil Kim, Jungkwuen An, Sunghoon Lee, Hongseok Lee, Chilsung Choi
  • Publication number: 20200174497
    Abstract: The present invention relates to an autonomous driving cart. More particularly, the present invention relates to an autonomous driving cart that stores information on a leading subject, detects the leading subject from sensed information, and follows the detected leading subject.
    Type: Application
    Filed: November 11, 2019
    Publication date: June 4, 2020
    Inventors: Hongseok CHEON, Taehyoung KIM, Yongjin BYEON, Jaihoon LEE, Ayoung KWON, Chan LEE, Hanmin JO, Yonghwi KIM, Jaesung KIM
  • Publication number: 20200174483
    Abstract: The present invention relates to an obstacle avoiding method in a state-time space, a recording medium storing a program for employing the same, and a computer program stored in a medium for employing the same. More particularly, the present invention relates to an obstacle avoiding method in a state-time space, a recording medium storing a program for employing the same, and a computer program stored in a medium for employing the same, wherein a forward trajectory is calculated on the basis of a safe timed configuration region, when collision is expected while calculating the forward trajectory, a part of the calculated forward trajectory is canceled, and a forward trajectory passing through an interim target is calculated, and thus a time required for calculating is reduced and a trajectory and success rate to the destination target state is ensured so as to obtain improvement in performance.
    Type: Application
    Filed: November 11, 2019
    Publication date: June 4, 2020
    Inventors: Hongseok CHEON, Taehyoung KIM, Yongjin BYEON, Jaihoon LEE
  • Publication number: 20200174482
    Abstract: The present invention relates to an online bidirectional trajectory planning method in a state-time space, a recording medium storing a program for employing the same, and a computer program stored in a medium for employing the same. More particularly, the present invention relates to an online bidirectional trajectory planning method in a state-time space, a recording medium storing a program for employing the same, and a computer program stored in a medium for employing the same, wherein autonomous driving is available while over-run or vibration does not occur in a robot by planning a bidirectional trajectory using a forward trajectory and a backward trajectory.
    Type: Application
    Filed: November 11, 2019
    Publication date: June 4, 2020
    Inventors: Hongseok CHEON, Taehyoung KIM, Yongjin BYEON, Jaihoon LEE
  • Patent number: 10656721
    Abstract: An interactive 3D display apparatus and method are provided. The interactive 3D display apparatus includes a hand sensing module configured to acquire a hand image by detecting a hand of a user and a user interaction module configured to generate a virtual object adjustment parameter by analyzing user-intended information about the hand based on the hand image acquired by the hand sensing module and comparing an analysis result with predefined user scenarios, an image rendering module configured to set a scene according to the generated virtual object adjustment parameter, generate image data by rendering the set scene, and convert the generated image data into display data, and a 3D display configured to display a 3D image including a virtual object in which a change intended by the user has been reflected according to the display data.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoon Song, Yuntae Kim, Juwon Seo, Hongseok Lee, Chilsung Choi
  • Publication number: 20200124778
    Abstract: A see-through display apparatus includes a display device, and an optical coupler configured to obtain a combined image by combining a first image from the display device with a second image from a path different from a path of the first image, and emit the obtained combined image. The optical coupler includes a first surface on which the first image is incident, a second surface on which the second image is incident, and an exit surface through which the combined image is emitted. A noise reduction prism is disposed between the display device and the optical coupler, and includes inclined surfaces configured to perform path conversion so that, among light of the first image, effective light of a predetermined angle range is incident on the optical coupler and noise light of a remaining angle range remaining from the predetermined angle range is not incident on the optical coupler.
    Type: Application
    Filed: February 21, 2019
    Publication date: April 23, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Changkun LEE, Sunil KIM, Wontaek SEO, Geeyoung SUNG, Bongsu SHIN, Hongseok LEE
  • Publication number: 20200125137
    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: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, Sungtae LEE, Hogeol LIM, Daeho KIM, Hongseok JUNG
  • Patent number: 10620357
    Abstract: A backlight unit including an input coupler, a holographic display apparatus including the backlight unit, and a method of manufacturing the input coupler are provided. The backlight unit includes the input coupler configured to cause light incident on a light incident surface of a light guide plate to travel into the light guide plate, the input coupler has a binary grating structure in which a plurality of barriers are arranged parallel to one another at a constant grating period, and the plurality of barriers are tilted from the light incident on the light incident surface.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunghoon Lee, Hoon Song, Jungkwuen An, Sunil Kim, Chilsung Choi, Young Kim, Kanghee Won, Hongseok Lee
  • Publication number: 20200103825
    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: Application
    Filed: March 22, 2019
    Publication date: April 2, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., University of Seoul Industry Cooperation Foundation
    Inventors: Hojung KIM, Kichul Kim, Yongkyu Kim, Hongseok Lee
  • Patent number: 10586094
    Abstract: An apparatus and method for recognizing a fingerprint are provided. The apparatus includes a display device including a plurality of pixels configured to be turned on and off based on an image signal, a transparent cover disposed on the display device, the transparent cover including a touch surface through which a touch of a user is input, and a touch sensor configured to recognize a location of the touch through the touch surface. The apparatus further includes a fingerprint sensor configured to detect light that is reflected from the touch surface, based on the fingerprint of the user inputting the touch, and generate a signal, based on the light, and a controller configured to generate the image signal to turn on pixels corresponding to the location among the plurality of pixels, and determine a fingerprint profile of the fingerprint, based on the signal generated by the fingerprint sensor.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jungwoo Kim, Hoon Song, Hongseok Lee
  • 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: 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: 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: 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: 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
  • Patent number: D880594
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: April 7, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hongseok Kim, Areum Kwon, Hewon Kihl, Sechang Park, Sangwon Yoon, Yongho Lee