Patents by Inventor Hee Ra KIM

Hee Ra 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: 11805683
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Guen Yoon, Suk Hoon Kang, Hee Ra Kim, Su Ji Park, Beom-Soo Shin, Hong Yeon Lee
  • Patent number: 11621305
    Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: April 4, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Jin Park, Hyun Ae Kim, Hee Ra Kim, Ha Na Seo, Chong Sup Chang, Eui Kang Heo
  • Publication number: 20220262880
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 18, 2022
    Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
  • Patent number: 11335747
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 17, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
  • Publication number: 20220140025
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Application
    Filed: December 8, 2021
    Publication date: May 5, 2022
    Inventors: Hyung Guen YOON, Suk Hoon KANG, Hee Ra KIM, Su Ji PARK, Beom-Soo SHIN, Hong Yeon LEE
  • Patent number: 11239294
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Guen Yoon, Suk Hoon Kang, Hee Ra Kim, Su Ji Park, Beom-Soo Shin, Hong Yeon Lee
  • Patent number: 11171187
    Abstract: A display device may include a substrate, a thin film transistor, a first electrode, a second electrode, and a barrier. The thin film transistor is disposed on the substrate. The first electrode is electrically connected to the thin film transistor. The second electrode overlaps the first electrode. The barrier has a first portion and a second portion. The second portion is disposed between the first portion and the second electrode and is fluorine-doped. A side surface of the first portion is part of a boundary of an opening of the barrier and is hydrophilic. The opening of the barrier is disposed between the first electrode and the second electrode.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: November 9, 2021
    Inventors: Beom-Soo Shin, Suk Hoon Kang, Min-Jae Kim, Hee Ra Kim, Hong Yeon Lee
  • Publication number: 20210074769
    Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.
    Type: Application
    Filed: June 18, 2020
    Publication date: March 11, 2021
    Inventors: Sang Jin PARK, Hyun Ae KIM, Hee Ra KIM, Ha Na SEO, Chong Sup CHANG, Eui Kang HEO
  • Publication number: 20200335563
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
  • Patent number: 10770523
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes are formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: September 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
  • Publication number: 20200168678
    Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.
    Type: Application
    Filed: November 27, 2019
    Publication date: May 28, 2020
    Inventors: Hyung Guen YOON, Suk Hoon KANG, Hee Ra KIM, Su Ji PARK, Beom-Soo SHIN, Hong Yeon LEE
  • Publication number: 20190229162
    Abstract: A display device may include a substrate, a thin film transistor, a first electrode, a second electrode, and a barrier. The thin film transistor is disposed on the substrate. The first electrode is electrically connected to the thin film transistor. The second electrode overlaps the first electrode. The barrier has a first portion and a second portion. The second portion is disposed between the first portion and the second electrode and is fluorine-doped. A side surface of the first portion is part of a boundary of an opening of the barrier and is hydrophilic. The opening of the barrier is disposed between the first electrode and the second electrode.
    Type: Application
    Filed: August 14, 2018
    Publication date: July 25, 2019
    Inventors: Beom-Soo SHIN, Suk Hoon KANG, Min-Jae KIM, Hee Ra KIM, Hong Yeon LEE
  • Patent number: 10216046
    Abstract: A liquid crystal display device is provided. A liquid crystal display device comprising: a first substrate and a second substrate opposed to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a lower layer disposed on the first substrate and including at least one contact hole; and a spacer portion disposed on the lower layer, wherein the spacer portion includes a main spacer not overlapping the contact hole and an auxiliary spacer overlapping at least a portion of the contact hole, and a distance between the main spacer and the second substrate is smaller than a distance between the auxiliary spacer and the second substrate.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nu Ree Um, Min Jung Kang, Hee Ra Kim, Sang Hun Lee
  • Publication number: 20190013371
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes are formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Application
    Filed: January 11, 2018
    Publication date: January 10, 2019
    Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
  • Patent number: 9904119
    Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking pattern disposed on the first substrate; and a column spacer which is disposed on the first substrate and maintains a distance between the first substrate and the second substrate, where the light blocking pattern and the column spacer are spaced apart from each other, and the column spacer has an island shape surrounded by the light blocking pattern.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Seop Shim, E Su Kim, Hee Ra Kim, Jun Woo Lee, Chang Soon Jang, Chul Huh
  • Patent number: 9835906
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a thin film transistor disposed on the first insulating substrate; a light blocking member disposed on the thin film transistor; and a spacer disposed on the light blocking member, wherein the spacer includes a main column spacer and a sub column spacer, and the sub column spacer is disposed between the main column spacer and has a stripe shape which extends in parallel to a gate line of the thin film transistor.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi Seop Shim, Hee Ra Kim, Chang Soon Jang, Chul Huh
  • Patent number: 9658498
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a first substrate, and a first electrode and a second electrode formed overlapping with each other on the first substrate, wherein a first insulating layer is disposed between the first electrode and the second electrode. The liquid crystal display further includes a light blocking member formed on the second electrode, a first spacer and a second spacer formed on the light blocking member, and a second substrate facing the first substrate.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi Seop Shim, Chang Hun Kwak, Hee Ra Kim, Chang-Soon Jang, Chul Huh
  • Patent number: 9618801
    Abstract: Exemplary embodiments relate to a display device, an optical mask, and a method for manufacturing a display device using the same. The display device including: a first substrate and a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a first insulating layer disposed on the thin film transistor; and a light blocking member disposed on the first insulating layer. The light blocking member includes a spacer for maintaining a cell gap between the first substrate and the second substrate and a main light blocking portion having an upper surface that is lower than an upper surface of the spacer, and the light blocking member further includes a furrow at a border between the spacer and the main light blocking portion, the furrow having a surface lower than the upper surface of the main light blocking portion.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: April 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soon Jang, Hee Ra Kim, Yi Seop Shim, Chul Huh
  • Publication number: 20170010496
    Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking pattern disposed on the first substrate; and a column spacer which is disposed on the first substrate and maintains a distance between the first substrate and the second substrate, where the light blocking pattern and the column spacer are spaced apart from each other, and the column spacer has an island shape surrounded by the light blocking pattern.
    Type: Application
    Filed: January 6, 2016
    Publication date: January 12, 2017
    Inventors: Yi Seop SHIM, E Su KIM, Hee Ra KIM, Jun Woo LEE, Chang Soon JANG, Chul HUH
  • Publication number: 20160274402
    Abstract: Exemplary embodiments relate to a display device, an optical mask, and a method for manufacturing a display device using the same. The display device including: a first substrate and a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a first insulating layer disposed on the thin film transistor; and a light blocking member disposed on the first insulating layer. The light blocking member includes a spacer for maintaining a cell gap between the first substrate and the second substrate and a main light blocking portion having an upper surface that is lower than an upper surface of the spacer, and the light blocking member further includes a furrow at a border between the spacer and the main light blocking portion, the furrow having a surface lower than the upper surface of the main light blocking portion.
    Type: Application
    Filed: September 17, 2015
    Publication date: September 22, 2016
    Inventors: Chang-Soon JANG, Hee Ra Kim, Yi Seop SHIM, Chul HUH