Patents by Inventor Seung Jun JEONG

Seung Jun JEONG 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: 20250071294
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • Patent number: 12215974
    Abstract: A optical measurement apparatus includes: an optical system which generates a pupil image of a measurement target, using light; a polarization generator which generates a polarized light from the light; a self-interference generator which generates a plurality of beams divided from the pupil image, using the polarized light, and causes the plurality of beams to interfere with each other to generate a self-interference image; and an image analysis unit configured to extract phase data from the self-interference image, and to move the measurement target to a focus position on the basis of the phase data.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Woo Lee, Wook Rae Kim, Kwang Soo Kim, Myung Jun Lee, Seo Yeon Jeong, Sung Ho Jang
  • Publication number: 20250026946
    Abstract: The present specification relates to an ink composition including a compound represented by Chemical Formula 1, a first solvent represented by Chemical Formula 2 and a second solvent represented by Chemical Formula 3.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 23, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Su Hun Jeong, Eunhye Kang, Byungjae Kim, Jiyeon Shin, Seung Jun Yoo, Jumin Lee
  • Patent number: 11333918
    Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit, and an optical film positioned in front of the display panel. The optical film includes a base layer positioned adjacent to the display panel, a first refractive layer positioned in front of the base layer and having a pattern including a first inclined portion totally reflecting some of light waves emitted from the backlight unit, and a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun Jeong, Sei Young Kang, Min Woo Kang, Dong Jun Lee, Jae Jeong Lee, Joo Won Lee
  • Patent number: 11243342
    Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit; and an optical film positioned in front of the display panel, and the optical film includes a base layer, a first refractive layer positioned in front of the base layer, a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer, a third refractive layer positioned at the rear of the base layer, and a fourth refractive layer positioned at the rear of the third refractive layer and having a lower refractive index than the third refractive layer.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun Jeong, Sei Young Kang, Min Woo Kang, Nam Seok Roh, Kwan Sik Min, Jun Sung Choi
  • Patent number: 11042063
    Abstract: A display device includes a backlight unit configured to emit light, a display panel disposed in front of the backlight unit, and an optical sheet disposed between the backlight unit and the display panel. The optical sheet may include a first prism sheet including a plurality of first prisms arranged in a first direction, a second prism sheet including a plurality of second prisms arranged in a second direction intersecting the first direction, and disposed in front of the first prism sheet; and a third prism sheet including a plurality of third prisms arranged in the first direction, and disposed in front of the second prism sheet.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sei Young Kang, Seung Jun Jeong, Min Woo Kang, Nam Seok Roh, Kwan Sik Min, Young Chol Lee, Jae Jeong Lee
  • Patent number: 10782463
    Abstract: A display panel and a display apparatus including the display panel are provided. The display apparatus includes: a display panel; and a backlight unit configured to supply light to the display panel, wherein the display panel includes: a liquid crystal layer; a first polarizing plate disposed between the backlight unit and the liquid crystal layer; and a second polarizing plate facing the first polarizing plate with the liquid crystal layer disposed therebetween, and containing a light absorbing agent for absorbing light of a specific wavelength band, wherein the first polarizing plate includes: a first polarizing layer including a plurality of refracting layers having different refractive indexes; and at least one second polarizing layer disposed on the first polarizing layer.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae-Won Jang, Byoung-Jin Cho, Seung Jun Jeong
  • Patent number: 10750159
    Abstract: A three-dimensional (3D) image display apparatus includes a display panel configured to display a 3D image; a light guide panel disposed on a rear surface of the display panel to emit light to the display panel; a first light source configured to irradiate light toward the light guide panel; a second light source configured to irradiate light toward the light guide panel; and a controller configured to control the first light source and the second light source to emit light alternately, wherein the light guide panel includes a first pattern which responds to the first light source and does not respond to the second light source, and a second pattern which responds to the second light source and does not respond to the first light source.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-deok Hwang, Seung-jun Jeong, Kyung-hoon Cha, Farid Mukhtarov
  • Patent number: 10718973
    Abstract: A display device includes a display panel for displaying an image, a light source module including a plurality of light sources, and an optical sheet provided between the display panel and the light source module for guiding light radiated by the light source module to the display panel. The optical sheet includes a first transparent layer including a plurality of grooves provided on a first surface of the optical sheet that is opposite to the display panel, and having a first refraction index, a second transparent layer provided in each of the plurality of grooves and having a second refraction index that is different from the first refraction index, and a reflective layer including a light reflective material provided in each of the plurality of grooves and covering the second transparent layer, and including a light-reflective material.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun Jeong, Joo Won Lee, Min Woo Kang, Sei Young Kang, Dong Jun Lee, Jae Jeong Lee
  • Patent number: 10715792
    Abstract: A display device and a method of controlling the same are provided. The display device includes: a display panel including a plurality of pixels, each of which includes a plurality of sub pixels; a prism panel at one side of the display panel and including a prism array and a liquid crystal; a prism panel driver configured to apply voltage to the prism panel; and a controller configured to display a plurality of image frames on the display panel and to control a driving state of the prism panel variably while the plurality of image frames is displayed.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Farid Mukhtarov, Ki-hyung Kang, Seung-jun Jeong, Seon-deok Hwang
  • Publication number: 20200201119
    Abstract: A display device includes a backlight unit configured to emit light, a display panel disposed in front of the backlight unit, and an optical sheet disposed between the backlight unit and the display panel. The optical sheet may include a first prism sheet including a plurality of first prisms arranged in a first direction, a second prism sheet including a plurality of second prisms arranged in a second direction intersecting the first direction, and disposed in front of the first prism sheet; and a third prism sheet including a plurality of third prisms arranged in the first direction, and disposed in front of the second prism sheet.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sei Young KANG, Seung Jun JEONG, Min Woo KANG, Nam Seok ROH, Kwan Sik MIN, Young Chol LEE, Jae Jeong LEE
  • Patent number: 10678093
    Abstract: A backlight unit capable of implementing matrix local dimming using cholesteric liquid crystal and a polarizing portion, and a display apparatus including the backlight unit are provided. A display apparatus may include: a backlight unit; and an image forming unit configured to create an image by performing at least one from among transmitting and blocking light emitted from the backlight unit. The backlight unit may include: a waveguide plate; a cholesteric liquid crystal layer disposed in front of the waveguide plate, and configured to perform at least one from among transmitting and circularly polarizing the light emitted from the waveguide plate, to generate at least one from among transmitted light and circularly polarized light; and a polarizing portion disposed in front of the cholesteric liquid crystal layer, and configured to transmit the transmitted light in a front direction, and to block the circularly polarized light.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: June 9, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwan Sik Min, Ki Hyung Kang, Seung Jun Jeong
  • Publication number: 20200117048
    Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit; and an optical film positioned in front of the display panel, and the optical film includes a base layer, a first refractive layer positioned in front of the base layer, a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer, a third refractive layer positioned at the rear of the base layer, and a fourth refractive layer positioned at the rear of the third refractive layer and having a lower refractive index than the third refractive layer.
    Type: Application
    Filed: October 2, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun JEONG, Sei Young Kang, Min Woo Kang, Nam Seok Roh, Kwan Sik Min, Jun Sung Choi
  • Publication number: 20200041842
    Abstract: A display device includes a display panel for displaying an image, a light source module including a plurality of light sources, and an optical sheet provided between the display panel and the light source module for guiding light radiated by the light source module to the display panel. The optical sheet includes a first transparent layer including a plurality of grooves provided on a first surface of the optical sheet that is opposite to the display panel, and having a first refraction index, a second transparent layer provided in each of the plurality of grooves and having a second refraction index that is different from the first refraction index, and a reflective layer including a light reflective material provided in each of the plurality of grooves and covering the second transparent layer, and including a light-reflective material.
    Type: Application
    Filed: May 29, 2019
    Publication date: February 6, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun JEONG, Joo Won Lee, Min Woo KANG, Sei Young KANG, Dong Jun LEE, Jae Jeong LEE
  • Publication number: 20200033665
    Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit, and an optical film positioned in front of the display panel. The optical film includes a base layer positioned adjacent to the display panel, a first refractive layer positioned in front of the base layer and having a pattern including a first inclined portion totally reflecting some of light waves emitted from the backlight unit, and a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer.
    Type: Application
    Filed: June 4, 2019
    Publication date: January 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Jun Jeong, Sei Young Kang, Min Woo Kang, Dong Jun Lee, Jae Jeong Lee, Joo Won Lee
  • Patent number: 10495891
    Abstract: A 3D display device is provided. The 3D display device includes a display panel and a liquid crystal lens panel. The display panel operates in one of a 2D mode for displaying a 2D image, a 3D mode for displaying a 3D image, and a coincident mode for displaying the 2D image and the 3D image. The liquid crystal lens panel is disposed on the display panel. The liquid crystal lens panel is configured to refract the 3D image through a third region of the liquid crystal lens panel and to transmit the 2D image without refracting the 2D image when the display panel operates in the coincident mode.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il-Joo Kim, Jinoh Song, Hyungwoo Yim, Yoonkyung Park, Seung Jun Jeong
  • Patent number: 10404966
    Abstract: A method of driving an optical modulation device includes applying a voltage to an upper electrode; forming a forward phase slope by applying a first driving signal to a lower electrode in a first area; forming a backward phase slope by applying a second driving signal different from the first driving signal to another lower electrode in a second area; forming an area without phase retardation by applying a third driving signal to two lower electrodes in a third area between the first area and the second area; and forming a flat phase slope by applying a fourth driving signal different from the first to third driving signals one lower electrode in a fourth area between the first area and the second area.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: September 3, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo Hee Oh, Seung Jun Jeong
  • Patent number: 10302997
    Abstract: A display device is provided. The display device includes: a backlight; and a display panel configured to create an image by selectively blocking light emitted from the backlight, the backlight including a light regulator configured to regulate emission of incident light; a light guide plate arranged behind the light regulator; and a plurality of adhesives arranged to bond the light regulator and the light guide plate, respective cross-section areas of the plurality of adhesives increasing as distance from a light source increases.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Woo Kang, Seung Jun Jeong, Ki Hyung Kang
  • Publication number: 20190113665
    Abstract: A display panel and a display apparatus including the display panel are provided. The display apparatus includes: a display panel; and a backlight unit configured to supply light to the display panel, wherein the display panel includes: a liquid crystal layer; a first polarizing plate disposed between the backlight unit and the liquid crystal layer; and a second polarizing plate facing the first polarizing plate with the liquid crystal layer disposed therebetween, and containing a light absorbing agent for absorbing light of a specific wavelength band, wherein the first polarizing plate includes: a first polarizing layer including a plurality of refracting layers having different refractive indexes; and at least one second polarizing layer disposed on the first polarizing layer.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 18, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae-Won JANG, Byoung-Jin CHO, Seung Jun JEONG
  • Patent number: 10101629
    Abstract: An optical modulation device or an optical device including the same includes: a first plate and a second plate facing the first plate; and a liquid crystal layer between the first plate and the second plate and including a plurality of liquid crystal molecules, wherein the first plate includes a plurality of first electrodes and a first aligner, the second plate includes at least one second electrode and a second aligner, and an alignment direction of the first aligner is substantially parallel to an alignment direction of the second aligner and wherein portions of the first plate, the second plate, and the liquid crystal layer between the first and second plates are individual units.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: October 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Hee Oh, Yoon Kyung Park, Kyung Ho Jung, Seung Jun Jeong, Moon Jung Baek, Hyun Seung Seo