Patents by Inventor Hong Seok Lee

Hong Seok Lee 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: 20160282546
    Abstract: Provided are a light guide member, a lighting apparatus including the light guide member, and a method of fabricating the light guide member. The light guide member comprises: a body, which is formed as a transparent plate, including a first surface and a second surface facing the first surface; and a plurality of dimple type optical controllers formed beneath at least one of the first surface and the second surface and having reflective surfaces that reflect light proceeding between the first and second surfaces of the body toward at least one of the first and second surfaces.
    Type: Application
    Filed: June 6, 2016
    Publication date: September 29, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong-seok LEE, Hoon SONG, Jun-bo YOON, Joo-hyung LEE
  • Patent number: 9436159
    Abstract: An apparatus for displaying a holographic three-dimensional (3D) image is provided. The apparatus includes: a holographic pattern generation unit; a spatial optical modulation device including a phase transition layer formed of a phase transition material, a phase of which is changed by a temperature. A holographic pattern generated by the holographic pattern generation unit is optically addressed on the spatial optical modulation device. The apparatus also includes a heat source for applying heat to the phase transition layer; a control unit for controlling the heat source according to holographic pattern information generated by the holographic pattern generation unit; and a reproduction light source for irradiating light for image reproduction onto the spatial optical modulation device.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-eun Jung, Hong-seok Lee, Seung-hoon Han
  • Patent number: 9423626
    Abstract: A three-dimensional (3D) image display apparatus and method are provided. The 3D image display apparatus includes an image generating unit configured to generate an image, an active optical device configured to change a propagation path of light containing the generated image, and provide the generated image to multiple viewpoints that are located along a first direction parallel to the image generating unit, and a varifocal lens configured to vary a focal position of the generated image along a second direction away from the image generating unit.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-hwan Choi, Hong-seok Lee, Hoon Song, Yoon-sun Choi, Jung-mok Bae, Eok-su Kim
  • Publication number: 20160170237
    Abstract: Provided are examples of light modulators and optical apparatuses that may include the light modulators. A light modulator may include a plasmonic nano-antenna and an element for changing plasmon resonance characteristics of the plasmonic nano-antenna. The plasmon resonance characteristics of the plasmonic nano-antenna may be changed due to a change in refractive index of the element, and thus light may be modulated.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-hoon HAN, Yong-hwa PARK, Chang-gyun SHIN, Hong-seok LEE
  • Patent number: 9360840
    Abstract: Provided are a complex spatial light modulator and a three-dimensional (3D) image display including the same. The complex spatial light modulator includes a spatial light modulator configured to modulate a phase of a light beam, a prism array disposed after the spatial light modulator and including an array of prism portions each having a first prism surface and a second prism surface, and a diffractive device configured to diffract a light beam that has passed through the prism array. Accordingly, both the phase and amplitude of the light beam may be modulated.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: June 7, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Kang-hee Won, Hwi Kim, Gee-young Sung, Hoon Song, Jung-kwuen An, Hong-seok Lee
  • Patent number: 9354604
    Abstract: Provided are an optically addressable spatial light modulator (OASLM) divided into a plurality of segments, and an apparatus and method for displaying a holographic three-dimensional (3D) image using the OASLM. The holographic 3D image display apparatus includes a first light source which emits a write beam, an electric addressable spatial light modulator (EASLM) which modulates the write beam emitted from the first light source according to hologram information regarding a 3D image, a second light source which emits a read beam, an OASLM which receives the write beam modulated by the EASLM and modulates the read beam emitted from the second light source according to hologram information included in the modulated write beam, a scanning optical unit which projects the write beam modulated by the EASLM onto the OASLM, and a Fourier lens which focuses the read beam modulated by the OASLM onto a predetermined space to form the 3D image.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: May 31, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Hong-seok Lee, Neil Collings, Daping Chu, Hoon Song, William Alden Crossland, Jhen Si Chen
  • Publication number: 20160123721
    Abstract: An electronic device for detecting a position of an object is disclosed, The electronic device includes an optical source configured to emit light to a detection area, a light concentrator configured to concentrate light reflected by a target object located in a detection area, a light receiver configured to receive through photodiodes the reflected light concentrated by the light concentrator and to output a light quantity pattern of the reflected light, and a processor configured to determine the position of the target object based on the light quantity pattern of the reflected light.
    Type: Application
    Filed: June 2, 2015
    Publication date: May 5, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Woo KIM, Joon Ah PARK, Kyoung Seok PYUN, Jung Soon SHIN, Hong-Seok LEE, Tae Sung JUNG, Baek Hwan CHO, Seung Hoon HAN
  • Patent number: 9285611
    Abstract: Provided are examples of light modulators and optical apparatuses that may include the light modulators. A light modulator may include a plasmonic nano-antenna and an element for changing plasmon resonance characteristics of the plasmonic nano-antenna. The plasmon resonance characteristics of the plasmonic nano-antenna may be changed due to a change in refractive index of the element, and thus light may be modulated.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-hoon Han, Yong-hwa Park, Chang-gyun Shin, Hong-seok Lee
  • Patent number: 9279989
    Abstract: A backlight unit of a three-dimensional (3D) display has a plurality of cells and a 3D image is formed by adjusting directions of light emitted from the cells. The backlight unit includes an emission unit that adjusts an emission direction of light from a cell with respect to other cells. The backlight unit divides view areas to provide left-eye and right-eye images, thereby generating a 3D image.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: March 8, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Song, Yoon-sun Choi, Hong-seok Lee, Jung-mok Bae
  • Patent number: 9256203
    Abstract: A surface light source device is provided. The surface light source device includes a light source, a beam splitter configured to split a light irradiated from the light source into a plurality of light beams each having a different path, a diffusion unit configured to diffuse the plurality of light beams split by the beam splitter into a surface light, and a collimating unit configured to arrange the plurality of light beams diffused from the diffusion unit in one direction.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: February 9, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-hwan Choi, Hong-seok Lee, Hoon Song, Yoon-sun Choi, Jung-mok Bae
  • Publication number: 20150311258
    Abstract: Image sensors, and electronic devices including the same, include a first photo-sensing device sensing light in a full visible to near infrared ray region, a second photo-sensing device sensing light in a blue wavelength region, a third photo-sensing device sensing light in a red wavelength region, and a fourth photo-sensing device sensing light in a green wavelength region. At least one of the first photo-sensing device, the second photo-sensing device, the third photo-sensing device, and the fourth photo-sensing device includes a pair of light-transmitting electrodes facing each other, and a photoactive layer between the light-transmitting electrodes. The photoactive layer includes an organic light-absorbing material.
    Type: Application
    Filed: December 10, 2014
    Publication date: October 29, 2015
    Inventors: Kyu Sik KIM, Satoh RYUICHI, Hong-Seok LEE
  • Publication number: 20150205262
    Abstract: Provided are a complex spatial light modulator and a three-dimensional (3D) image display including the same. The complex spatial light modulator includes a spatial light modulator configured to modulate a phase of a light beam, a prism array disposed after the spatial light modulator and including an array of prism portions each having a first prism surface and a second prism surface, and a diffractive device configured to diffract a light beam that has passed through the prism array. Accordingly, both the phase and amplitude of the light beam may be modulated.
    Type: Application
    Filed: July 24, 2014
    Publication date: July 23, 2015
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang-hee WON, Hwi KIM, Gee-young SUNG, Hoon SONG, Jung-kwuen AN, Hong-seok LEE
  • Publication number: 20150160612
    Abstract: An apparatus for displaying a holographic three-dimensional (3D) image is provided. The apparatus includes: a holographic pattern generation unit; a spatial optical modulation device including a phase transition layer formed of a phase transition material, a phase of which is changed by a temperature. A holographic pattern generated by the holographic pattern generation unit is optically addressed on the spatial optical modulation device. The apparatus also includes a heat source for applying heat to the phase transition layer; a control unit for controlling the heat source according to holographic pattern information generated by the holographic pattern generation unit; and a reproduction light source for irradiating light for image reproduction onto the spatial optical modulation device.
    Type: Application
    Filed: May 7, 2014
    Publication date: June 11, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-eun JUNG, Hong-seok LEE, Seung-hoon HAN
  • Publication number: 20150160611
    Abstract: A holographic display is provided. The holographic display includes a support plate that is rotatable based on a rotary axis; a plurality of spatial light modulators arranged on the support plate at same distances from the rotary axis; a light source supplying light to the plurality of spatial light modulators; an optical path conversion device for guiding light emitted from the light source to the plurality of spatial light modulators; an image signal input device for inputting holographic image signals to the plurality of spatial light modulators; and an imaging area on which images by the plurality of spatial light modulators are displayed so that three-dimensional (3D) images may be displayed in all directions according to the rotation of the support plate.
    Type: Application
    Filed: July 25, 2014
    Publication date: June 11, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoon SONG, Hong-seok LEE, Kyu-hwan CHOI
  • Publication number: 20150160530
    Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.
    Type: Application
    Filed: July 1, 2014
    Publication date: June 11, 2015
    Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Seung-hoon HAN, Won-taek SEO, Hae-kwan OH, Hong-seok LEE, Eun-hyoung CHO, Kee-keun LEE
  • Patent number: 9049441
    Abstract: A 3D image display apparatus and a 3D image display method are provided. The 3D image display apparatus generates a 2D image region and a 3D image region, forms shutter patterns for the 3D and 2D image regions, and adjusts a light emitting direction according to the shutter patterns. Accordingly, the 2D and 3D images may be selectively displayed on one screen.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: June 2, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Song, Yong-kweun Mun, Yoon-sun Choi, Hong-seok Lee
  • Patent number: 9036246
    Abstract: Provided is a 3-dimensional (3D) display apparatus including a light source, a beam scanner, and a beam deflector array. The beam scanner scans light emitted by the light source, and the beam deflector array includes a plurality of beam deflectors arranged in an array to reproduce a light field by changing a direction of light rays scanned by the beam scanner.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: May 19, 2015
    Assignees: Samsung Electronics Co., Ltd., Chungbuk National University Industry-Academic Cooperation Foundation
    Inventors: Hoon Song, Hong-seok Lee, Jae-hyeung Park
  • Publication number: 20150116469
    Abstract: A multi-view point 3D display apparatus using an active optical device is provided. The active optical device may change a path of light without a substantial drop of image resolution.
    Type: Application
    Filed: December 29, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-hwan CHOI, Hong-seok LEE, Hoon SONG, Yoon-sun CHOI, Jung-mok BAE
  • Patent number: 9019448
    Abstract: A display apparatus includes a light guide plate to emit light that enters through a side surface of the light guide plate through an upper surface of the light guide plate, a light source arranged on at least one side of the light guide plate, a reflection plate arranged under the light guide plate, a color filter layer arranged above the light guide plate, and an optical shutter arranged above the color filter layer to transmit or block at least a part of light according to electric control, wherein the color filter layer includes a transmission type color filter to transmit light in a particular wavelength band and reflect light in other wavelength bands.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon-gyu Han, Hong-seok Lee, Chang-gyun Shin
  • Patent number: 9013658
    Abstract: Provided is a method of manufacturing a reflective color filter. According to the method, the reflective color filter may reflect light having a desired wavelength by controlling the distance between colloidal particles. The method of manufacturing a reflective color filter may include forming colloidal particles having a charged surface, forming colloidal crystals by controlling distances between the colloidal particles, and forming a photonic crystal composite by fixing the colloidal crystals having the colloidal particles.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: April 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon Gyu Han, Yong-wan Jin, Hong-seok Lee