Patents by Inventor Sejeon PARK

Sejeon PARK 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).

  • Liquid crystal display and method for manufacturing the same
    Patent number: 10571732
    Abstract: A liquid crystal display includes a display panel; and an optical film on a bottom surface of the display panel, the optical film including a polarizer; a support sheet on a bottom surface of the polarizer; and a prism sheet on a bottom surface of the support sheet, the prism sheet having a base sheet, a prism portion, and a stitch portion over the base sheet. The prism portion includes a plurality of peaks and has a space defined by a direct contact between the plurality of peaks of the prism portion and the bottom surface of the support sheet.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: February 25, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sejeon Park, Sudong Roh, Wonjong Cho
  • Integrated polarizer film and liquid crystal display integrated with the same polarizer film
    Patent number: 10503009
    Abstract: The present disclosure relates to an integrated polarizer film and a liquid crystal display integrated with the same polarizer film.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: December 10, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Yoonjung Eo, Sejeon Park
  • LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20190235306
    Abstract: A liquid crystal display includes a display panel; and an optical film on a bottom surface of the display panel, the optical film including a polarizer; a support sheet on a bottom surface of the polarizer; and a prism sheet on a bottom surface of the support sheet, the prism sheet having a base sheet, a prism portion, and a stitch portion over the base sheet. The prism portion includes a plurality of peaks and has a space defined by a direct contact between the plurality of peaks of the prism portion and the bottom surface of the support sheet.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sejeon PARK, Sudong ROH, Wonjong CHO
  • Liquid crystal display and method for manufacturing the same
    Patent number: 10288924
    Abstract: A liquid crystal display includes a display panel; and an optical film on a bottom surface of the display panel, the optical film including a polarizer; a support sheet on a bottom surface of the polarizer; and a prism sheet on a bottom surface of the support sheet, the prism sheet having a base sheet, a prism portion, and a stitch portion over the base sheet. The prism portion includes a plurality of peaks and has a space defined by a direct contact between the plurality of peaks of the prism portion and the bottom surface of the support sheet.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: May 14, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Sejeon Park, Sudong Roh, Wonjong Cho
  • Liquid crystal display
    Patent number: 10120231
    Abstract: A liquid crystal display (LCD) is disclosed. The liquid crystal display (LCD) comprises an LCD panel, an upper polarization plate over the LCD panel, a lower polarization plate under the LCD panel, an adhesive layer under the lower polarization plate, a diffusion sheet under the adhesive layer, and an irregular air layer between at least part of the adhesive layer and the diffusion sheet.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: November 6, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Sangdae Han, Sejeon Park, Gunwoo Lee
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20180188589
    Abstract: A liquid crystal display (LCD) is disclosed. The liquid crystal display (LCD) comprises an LCD panel, an upper polarization plate over the LCD panel, a lower polarization plate under the LCD panel, an adhesive layer under the lower polarization plate, a diffusion sheet under the adhesive layer, and an irregular air layer between at least part of the adhesive layer and the diffusion sheet.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 5, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Sangdae HAN, Sejeon PARK, Gunwoo LEE
  • LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20170123263
    Abstract: A liquid crystal display includes a display panel; and an optical film on a bottom surface of the display panel, the optical film including a polarizer; a support sheet on a bottom surface of the polarizer; and a prism sheet on a bottom surface of the support sheet, the prism sheet having a base sheet, a prism portion, and a stitch portion over the base sheet. The prism portion includes a plurality of peaks and has a space defined by a direct contact between the plurality of peaks of the prism portion and the bottom surface of the support sheet.
    Type: Application
    Filed: October 31, 2016
    Publication date: May 4, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sejeon PARK, Sudong ROH, Wonjong CHO
  • INTEGRATED POLARIZER FILM AND LIQUID CRYSTAL DISPLAY INTEGRATED WITH THE SAME POLARIZER FILM
    Publication number: 20170090241
    Abstract: The present disclosure relates to an integrated polarizer film and a liquid cryatal display integrated with the same polarizer film.
    Type: Application
    Filed: September 30, 2016
    Publication date: March 30, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Yoonjung EO, Sejeon PARK