Patents by Inventor Kaeun KIM

Kaeun 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).

  • Patent number: 11526052
    Abstract: A backlight unit which includes a light guiding layer having an incident surface on which light is incident and an exit surface from which light is emitted, a light source disposed on the incident surface of the light guiding layer and configured to generate the light, a low refraction layer disposed on the exit surface of the light guiding layer, a color control layer disposed on the low refraction layer, and a protection layer disposed on the color control layer.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ho Lim, Kaeun Kim, Taemin Kim, Kawon Pak, Duckjong Suh, Bongsung Seo, Jaejin Lyu, Shulgee Lee
  • Publication number: 20200241362
    Abstract: A backlight unit which includes a light guiding layer having an incident surface on which light is incident and an exit surface from which light is emitted, a light source disposed on the incident surface of the light guiding layer and configured to generate the light, a low refraction layer disposed on the exit surface of the light guiding layer, a color control layer disposed on the low refraction layer, and a protection layer disposed on the color control layer.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 30, 2020
    Inventors: Ho Lim, Kaeun Kim, Taemin Kim, Kawon Pak, Duckjong Suh, Bongsung Seo, Jaejin Lyu, Shulgee Lee
  • Publication number: 20200233144
    Abstract: A backlight unit includes: a light guiding member including an incident surface on which light is incident and an exit surface from which the light is emitted; a light source adjacent to the incident surface of the light guiding member and configured to generate the light; a low refraction layer disposed on the exit surface of the light guiding member; a color conversion layer disposed on the low refraction layer; and an optical layer disposed on the color conversion layer, wherein the optical layer has a pencil hardness of 4 H or greater.
    Type: Application
    Filed: October 11, 2019
    Publication date: July 23, 2020
    Inventors: HO LIM, Kaeun KIM, Taemin KIM, Duckjong SUH, Bongsung SEO, Seulgee LEE
  • Patent number: 9971201
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a pair of substrates; and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes: a cross pattern at a center thereof; a plate electrode surrounding the cross pattern; and a plurality of minute branch electrodes extending in a diagonal direction outward from the plate electrode. A partial extension structure of the plate electrode is formed in at least a partial boundary region located between the plate electrode and the plurality of minute branch electrodes.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 15, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
  • Patent number: 9823512
    Abstract: A liquid crystal display device includes a first substrate on which a pixel electrode is formed, a second substrate on which a common electrode is formed and a liquid crystal layer disposed between the first substrate and the second substrate. The pixel electrode includes a first plate electrode, a first slit pattern which is a hole formed in the first plate electrode and includes a cross-shaped stem slit and a plurality of branch slits extending in both directions from the stem slit, and a plurality of branch electrodes which protrude from outer side portions of the first plate electrode. The common electrode includes a second plate electrode and a second slit pattern formed in the second plate electrode and including a plurality of holes arranged in a rhombus form.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: November 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haksun Chang, Cheol Shin, Kaeun Kim, Kichul Shin, Sehyun Lee
  • Patent number: 9575375
    Abstract: Provided is a liquid-crystal display (LCD) device. The LCD device includes: one pair of substrates; and a pixel electrode and a common electrode that are provided on the one pair of substrates to respectively face each other, wherein the pixel electrode includes: one pair of plate electrodes in which a horizontal slit and a plurality of first vertical slits that cross the horizontal slit are formed and that are divided by the horizontal slit and surround both sides of a cross pattern formed by the horizontal slit and the plurality of first vertical slits; and a plurality of fine branch electrodes that are obliquely formed to be connected to the plate electrode at a portion of the cross pattern including a point at which the horizontal slit and the first vertical slit cross each other, wherein one pixel region includes a first subpixel area and a second subpixel area that are divided by the horizontal slit.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
  • Publication number: 20160062190
    Abstract: An LCD apparatus includes a a pixel electrode including a first subpixel electrode and a second subpixel electrode, to which a voltage lower than a voltage applied to the first subpixel electrode is applied and which forms a predetermined space with the first subpixel electrode and surrounds the first subpixel electrode, a common electrode having a cross-type opening pattern, and a liquid crystal layer. The first subpixel electrode includes, a first plate electrode, a plurality of first branch electrodes protruding from sides of the first plate electrode, a trunk electrode extending from a corner of the first plate electrode in a lengthwise direction of the cross-type opening pattern and having a trunk surface that faces one end portion of the cross-type opening pattern and is inclined at a predetermined angle with respect to the lengthwise direction, and a plurality of second branch electrodes protruding from sides of the trunk electrode.
    Type: Application
    Filed: April 24, 2015
    Publication date: March 3, 2016
    Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Sehyun Lee, Kichul Shin
  • Publication number: 20160062189
    Abstract: A liquid crystal display device includes a first substrate on which a pixel electrode is formed, a second substrate on which a common electrode is formed and a liquid crystal layer disposed between the first substrate and the second substrate. The pixel electrode includes a first plate electrode, a first slit pattern which is a hole formed in the first plate electrode and includes a cross-shaped stem slit and a plurality of branch slits extending in both directions from the stem slit, and a plurality of branch electrodes which protrude from outer side portions of the first plate electrode. The common electrode includes a second plate electrode and a second slit pattern formed in the second plate electrode and including a plurality of holes arranged in a rhombus form.
    Type: Application
    Filed: April 24, 2015
    Publication date: March 3, 2016
    Inventors: Haksun Chang, Cheol Shin, Kaeun Kim, Kichul Shin, Sehyun Lee
  • Publication number: 20160048062
    Abstract: Provided is a liquid-crystal display (LCD) device. The LCD device includes: one pair of substrates; and a pixel electrode and a common electrode that are provided on the one pair of substrates to respectively face each other, wherein the pixel electrode includes: one pair of plate electrodes in which a horizontal slit and a plurality of first vertical slits that cross the horizontal slit are formed and that are divided by the horizontal slit and surround both sides of a cross pattern formed by the horizontal slit and the plurality of first vertical slits; and a plurality of fine branch electrodes that are obliquely formed to be connected to the plate electrode at a portion of the cross pattern including a point at which the horizontal slit and the first vertical slit cross each other, wherein one pixel region includes a first subpixel area and a second subpixel area that are divided by the horizontal slit.
    Type: Application
    Filed: January 29, 2015
    Publication date: February 18, 2016
    Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
  • Publication number: 20160033828
    Abstract: Provided is a liquid crystal display. The liquid crystal display includes a pair of substrates and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes a plurality of minute branch electrodes alternating with each other.
    Type: Application
    Filed: March 26, 2015
    Publication date: February 4, 2016
    Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
  • Publication number: 20150355511
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a pair of substrates; and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes: a cross pattern at a center thereof; a plate electrode surrounding the cross pattern; and a plurality of minute branch electrodes extending in a diagonal direction outward from the plate electrode. A partial extension structure of the plate electrode is formed in at least a partial boundary region located between the plate electrode and the plurality of minute branch electrodes.
    Type: Application
    Filed: May 12, 2015
    Publication date: December 10, 2015
    Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
  • Patent number: 9046712
    Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Kaeun Kim, Su Jeong Kim, Kichul Shin, Hokil Oh, Jae-Hoon Jung, Minju Han
  • Publication number: 20130128168
    Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.
    Type: Application
    Filed: May 30, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hoon KIM, Kaeun KIM, Su Jeong KIM, Kichul SHIN, Hokil OH, Jae-Hoon JUNG, Minju HAN