Patents by Inventor Hyun Seung Seo

Hyun Seung Seo 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: 20230325571
    Abstract: A cell library is provided. The cell library is stored in a computer-readable storage medium. The cell library is configured to store: first delay information of a standard cell according to a threshold voltage of a transistor included in the standard cell; and second delay information of the standard cell according to mobility of the transistor included in the standard cell.
    Type: Application
    Filed: January 4, 2023
    Publication date: October 12, 2023
    Inventors: Juyeon Kim, Jaehoon Kim, Sun Ik Heo, Jun Seomun, Hyun-Seung Seo, Chul Rim, Chang Ho Han
  • Publication number: 20220149326
    Abstract: A cover window, a display device, and a cover window manufacturing method are provided. The cover window includes a window substrate; a stress control layer on the window substrate and including a ceramic; and a hard coating layer on the stress control layer.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 12, 2022
    Inventors: Yong Kyu KANG, Hyun Seung SEO
  • Publication number: 20220082732
    Abstract: A cover window includes a base layer; a first coating layer on the base layer; and a second coating layer on the first coating layer. The first coating layer directly contacts a first part of an upper surface of the base layer and exposes a second part of the upper surface of the base layer, the upper surface of the base layer consists of the first part and the second part, and the second coating layer directly contacts the second part of the upper surface of the base layer exposed by the first coating layer, and an upper surface of the first coating layer.
    Type: Application
    Filed: June 28, 2021
    Publication date: March 17, 2022
    Inventors: Ji Hyun KO, Hyun Seung SEO, Dong Sung LEE, Yong Kyu KANG, Hui Yeon SHON, Hyun Kyung YUN
  • Patent number: 11256441
    Abstract: Provided is a semiconductor system. The semiconductor system includes a universal flash storage (UFS) host, including a host controller interface, a UniPro and a M-PHY; a UFS device configured to exchange data with the UFS host through a UFS interface; and an application processor configured to control the UFS host. The UFS device is configured to maintain a power-on status when the application processor operates in a suspend mode.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Hyun-Seung Seo
  • Publication number: 20210277280
    Abstract: A cover window includes a base layer. A first hard coating layer is disposed on a first side of the base layer. A second hard coating layer is disposed on the first hard coating layer. The first hard coating layer comprises an acryl-based organic-inorganic material and the second hard coating layer comprises a silicon-based or epoxy-based organic-inorganic material or the first hard coating layer comprises the silicon-based or the epoxy-based organic-inorganic material and the second hard coating layer comprises the acryl-based organic-inorganic material.
    Type: Application
    Filed: January 4, 2021
    Publication date: September 9, 2021
    Inventors: Hyun Seung SEO, Hui Yeon SHON, Yong Kyu KANG, Ji Hyun KO, Hyun Kyung YUN, Dong-Sung LEE, Chang Moo LEE
  • Publication number: 20210004176
    Abstract: Provided is a semiconductor system. The semiconductor system includes a universal flash storage (UFS) host, including a host controller interface, a UniPro and a M-PHY; a UFS device configured to exchange data with the UFS host through a UFS interface; and an application processor configured to control the UFS host. The UFS device is configured to maintain a power-on status when the application processor operates in a suspend mode.
    Type: Application
    Filed: February 19, 2020
    Publication date: January 7, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Hyun-Seung SEO
  • Patent number: 10638619
    Abstract: A cover window includes: a flat portion including in a top plan view, first and second sides respectively extending in first and second directions; a top curved portion contacting the first side and extending therefrom in the second direction; a left curved portion contacting the second side and extending therefrom in the first direction; and a first corner curved portion which connects the top and left curved portions to each other. In cross-section, the first corner curved portion includes: and a bottom end surface which connects inner and outer surfaces to each other, in the top plan view, the bottom end surface includes: a central portion having a first width, and a peripheral portion which is disposed outside the central portion in the first and second directions, the peripheral portion having a second width smaller than the first width.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 28, 2020
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Hyun Seung Seo, Jong Hwan Cho, Woo Jin Cho
  • Publication number: 20180368270
    Abstract: A cover window includes: a flat portion including in a top plan view, first and second sides respectively extending in first and second directions; a top curved portion contacting the first side and extending therefrom in the second direction; a left curved portion contacting the second side and extending therefrom in the first direction; and a first corner curved portion which connects the top and left curved portions to each other. In cross-section, the first corner curved portion includes: and a bottom end surface which connects inner and outer surfaces to each other, in the top plan view, the bottom end surface includes: a central portion having a first width, and a peripheral portion which is disposed outside the central portion in the first and second directions, the peripheral portion having a second width smaller than the first width.
    Type: Application
    Filed: March 27, 2018
    Publication date: December 20, 2018
    Inventors: Hyun Seung SEO, Jong Hwan CHO, Woo Jin CHO
  • 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
  • Patent number: 10036894
    Abstract: A three-dimensional (“3D”) image display device includes a display panel, and a liquid crystal lens part disposed on the display panel and which selectively provides a two-dimensional (“2D”) image and a 3D stereoscopic image, where the liquid crystal lens part includes: a lower substrate including a plurality of linear electrodes which are disposed in different layers; an upper substrate including a plate electrode; and a lens liquid crystal layer disposed between the lower substrate and the upper substrate, where the linear electrodes in the different layers are alternately arranged in a unit zone of the liquid crystal lens part, and where two adjacent linear electrodes of the linear electrodes are spaced apart from each other when viewed from a top view.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: July 31, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jun Jeong, Il-Joo Kim, Hyun Seung Seo, Jin Hwan Kim, Hae Young Yun
  • Patent number: 9983445
    Abstract: A display device includes a liquid crystal lens panel that includes a lower substrate, a upper substrate that faces the lower substrate, a lower lens electrode disposed on the lower substrate, an upper lens electrode disposed on the upper substrate, a liquid crystal layer and a spacer disposed between the lower substrate and the upper substrate, and an opening formed at a portion of the upper lens electrode which corresponds to the spacer, where the opening of the upper lens electrode and the spacer partially overlap.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: May 29, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Seung Seo, Seung Jun Jeong, Jung-Hyun Cho
  • Patent number: 9829730
    Abstract: Provided are an optical modulation device and a driving method thereof. The optical modulation device includes an active area and a peripheral area disposed around the active area. A plurality of lower electrodes is disposed in the active area. The plurality of lower electrodes extends in a first direction. The plurality of lower electrodes includes a first lower electrode and a second lower electrode. A driver is configured to apply a driving signal to the first lower electrode and the second lower electrode. The driver includes a first channel connected with an upper end of the first lower electrode, a second channel connected with a lower end of the first lower electrode, a third channel connected with an upper end of the second lower electrode, and a fourth channel connected with a lower end of the second lower electrode.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: November 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jun Jeong, Hyun Seung Seo, Jung-Hyun Cho
  • Patent number: 9767745
    Abstract: A method for driving an optical modulation device is provided. The optical modulation device includes first and second portions. Each of the first and second portions includes a first plate, a second plate opposite to the first plate, and a liquid crystal layer disposed between the first and second plates. The method includes forming a forward phase gradient in the first portion by applying a first driving signal to first and second electrodes in the first plate of the first portion and a third electrode in the second plate of the first portion. The method further includes forming a reverse phase gradient in the second portion by applying a second driving signal differing from the first driving signal to fourth and fifth electrodes in the first plate of the second portion and a sixth electrode in the second plate of the second portion.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jun Jeong, Yoon Kyung Park, Hyun Seung Seo, Soo Hee Oh, Seong Min Cho
  • Publication number: 20170261756
    Abstract: A three-dimensional (“3D”) image display device includes a display panel, and a liquid crystal lens part disposed on the display panel and which selectively provides a two-dimensional (“2D”) image and a 3D stereoscopic image, where the liquid crystal lens part includes: a lower substrate including a plurality of linear electrodes which are disposed in different layers; an upper substrate including a plate electrode; and a lens liquid crystal layer disposed between the lower substrate and the upper substrate, where the linear electrodes in the to different layers are alternately arranged in a unit zone of the liquid crystal lens part, and where two adjacent linear electrodes of the linear electrodes are spaced apart from each other when viewed from a top view.
    Type: Application
    Filed: May 25, 2017
    Publication date: September 14, 2017
    Inventors: Seung Jun JEONG, Il-Joo KIM, Hyun Seung SEO, Jin Hwan KIM, Hae Young YUN
  • Patent number: 9715120
    Abstract: An optical modulation device, according to an exemplary embodiment of the present invention, includes first and second plates facing each other, the first and second plates including a plurality of regions, and a liquid crystal layer interposed between the first and second plates, the liquid crystal layer including liquid crystal molecules aligned in a vertical alignment (VA) mode. The first plate includes a non-conductive layer including stepped structures repeatedly arranged in a first direction, a first electrode formed to partially cover the non-conductive layer, and first and second aligners disposed in a second direction different from the first direction, wherein the first and second aligners are aligned in opposite directions with respect to each other. The second plate includes a second electrode.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: July 25, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Ho Jung, Hyun Seung Seo, Chun Ki Choi
  • Patent number: 9696560
    Abstract: A new 2D/3D switchable display apparatus matches a polarization direction of light output from a 2D image display panel with a rubbing direction of a lower alignment layer of a liquid crystal lens, and tilts a rubbing direction of an upper alignment layer of the liquid crystal lens and a direction of a polarization axis of a polarizer at a predetermined angle, thereby reducing a loss of light passing through the liquid crystal lens, making it possible to improve luminance of images, improve the quality of 3D images in the horizontal direction, prevent or reduce color separation and moire phenomena, and reduce the manufacturing cost.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Young Yun, Il-Joo Kim, Hyun-Seung Seo, Seung-Hoon Lee, Jin-Hwan Kim, Seung-Jun Jeong
  • Patent number: 9664912
    Abstract: A three-dimensional (“3D”) image display device includes a display panel, and a liquid crystal lens part disposed on the display panel and which selectively provides a two-dimensional (“2D”) image and a 3D stereoscopic image, where the liquid crystal lens part includes: a lower substrate including a plurality of linear electrodes which are disposed in different layers; an upper substrate including a plate electrode; and a lens liquid crystal layer disposed between the lower substrate and the upper substrate, where the linear electrodes in the different layers are alternately arranged in a unit zone of the liquid crystal lens part, and where two adjacent linear electrodes of the linear electrodes are spaced apart from each other when viewed from a top view.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Jun Jeong, Il-Joo Kim, Hyun Seung Seo, Jin Hwan Kim, Hae Young Yun
  • Patent number: 9658483
    Abstract: A liquid crystal lens includes a first substrate, a second substrate which faces the first substrate, a liquid crystal layer which is interposed between the first substrate and the second substrate and a lens polarizer which is disposed on the outside of the second substrate. The lens polarizer includes a first polarization region having a first polarization direction and a second polarization region having a second polarization direction which is different from the first polarization direction.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Seung Seo, Jin Hwan Kim, Seung Jun Jeong
  • Publication number: 20160266447
    Abstract: A display device includes a liquid crystal lens panel that includes a lower substrate, a upper substrate that faces the lower substrate, a lower lens electrode disposed on the lower substrate, an upper lens electrode disposed on the upper substrate, a liquid crystal layer and a spacer disposed between the lower substrate and the upper substrate, and an opening formed at a portion of the upper lens electrode which corresponds to the spacer, where the opening of the upper lens electrode and the spacer partially overlap.
    Type: Application
    Filed: January 21, 2016
    Publication date: September 15, 2016
    Inventors: HYUN SEUNG SEO, SEUNG JUN JEONG, JUNG-HYUN CHO
  • Publication number: 20160216591
    Abstract: An optical modulation device includes a first panel that includes a plurality of lower-panel electrodes, a second panel facing the first panel and that includes at least one upper-panel electrode, and a liquid crystal layer positioned between the first panel and the second panel. A method of driving the optical modulation device includes applying a voltage to the upper-panel electrode; forming a forward phase slope by applying a first driving signal to at least one lower-panel electrode corresponding to a first region; forming a backward phase slope by applying a second driving signal different from the first driving signal to at least one lower-panel electrode corresponding to a second region; and forming a flat phase slope by applying a third driving signal different from the first and second driving signals to at least one lower-panel electrode corresponding to a third region between the first and second regions.
    Type: Application
    Filed: October 14, 2015
    Publication date: July 28, 2016
    Inventors: Hyun Seung SEO, Seung Jun JEONG