Patents by Inventor Seok-Kyu Yoon

Seok-Kyu Yoon 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: 11221509
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: January 11, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Publication number: 20200271988
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Patent number: 10698250
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Publication number: 20200103759
    Abstract: An exposure method for stepwise moving a rectangular mask and a relative position of a substrate includes first shot exposure in which the mask is located on a first region of the substrate, coordinates of two points on one side of the mask are detected, the mask is aligned using the coordinates, and then a first shot is exposed, second shot exposure in which the mask is located on a second region of the substrate, coordinates of two points on one side of the mask are detected, the mask is aligned using the coordinates, and then a second shot is exposed, and third shot exposure in which the mask is located on a third region of the substrate, coordinates of two points on one side of the mask are detected, the mask is aligned using the coordinates, and then a third shot is exposed.
    Type: Application
    Filed: October 1, 2019
    Publication date: April 2, 2020
    Inventors: Seok Kyu YOON, Shinichiro NAGAI
  • Patent number: 10261358
    Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: April 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
  • Patent number: 10228587
    Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: March 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
  • Publication number: 20180348571
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Application
    Filed: August 7, 2018
    Publication date: December 6, 2018
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Patent number: 10102788
    Abstract: Embodiments of the present invention relate to a display device and a driving method thereof. More particularly, embodiments of the present invention relate to a display device including a white pixel, and a method of driving such a display device. A display device according to an exemplary embodiment of the present invention includes a plurality of colored pixels and a white pixel, wherein the colored pixels and the white pixel each include at least one switching element, the colored pixels and the white pixel are disposed to be adjacent to each other so as to collectively have a center, and the switching elements are each positioned proximate to the center.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Sang Uk Lim
  • Patent number: 10067374
    Abstract: A liquid crystal display device that allows efficient luminance control is presented. The device includes: first, second, and third color pixel areas; a first substrate and a second substrate; a first color filter disposed in the first color pixel area on the first substrate or the second substrate; a second color filter disposed in the second color pixel area on the first substrate or the second substrate; a third color filter disposed in the third color pixel area on the first substrate or the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the first color pixel area includes a first transparent region at which the first color filter is not disposed, and a ratio of the first transparent region of the first color pixel area to the first color pixel area is in a range of 1/1000 to 1/2, inclusive.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: September 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Hee June Kwak, Eun Ju Kim, Sun Hwa Lee, Yun Seok Lee, Jun Pyo Lee, Sang-Uk Lim
  • Patent number: 10042199
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: August 7, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Publication number: 20180196306
    Abstract: A liquid crystal display device that allows efficient luminance control is presented. The device includes: first, second, and third color pixel areas; a first substrate and a second substrate; a first color filter disposed in the first color pixel area on the first substrate or the second substrate; a second color filter disposed in the second color pixel area on the first substrate or the second substrate; a third color filter disposed in the third color pixel area on the first substrate or the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the first color pixel area includes a first transparent region at which the first color filter is not disposed, and a ratio of the first transparent region of the first color pixel area to the first color pixel area is in a range of 1/1000 to 1/2, inclusive.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 12, 2018
    Inventors: Seok Kyu YOON, Hee June KWAK, Eun Ju KIM, Sun Hwa LEE, Yun Seok LEE, Jun Pyo LEE, Sang-Uk LIM
  • Patent number: 9939674
    Abstract: A liquid crystal display device that allows efficient luminance control is presented. The device includes: first, second, and third color pixel areas; a first substrate and a second substrate; a first color filter disposed in the first color pixel area on the first substrate or the second substrate; a second color filter disposed in the second color pixel area on the first substrate or the second substrate; a third color filter disposed in the third color pixel area on the first substrate or the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the first color pixel area includes a first transparent region at which the first color filter is not disposed, and a ratio of the first transparent region of the first color pixel area to the first color pixel area is in a range of 1/1000 to ½, inclusive.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: April 10, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok Kyu Yoon, Hee June Kwak, Eun Ju Kim, Sun Hwa Lee, Yun Seok Lee, Jun Pyo Lee, Sang-Uk Lim
  • Publication number: 20180081237
    Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 22, 2018
    Inventors: Byoung Sun NA, Hee June KWAK, Seok Kyu YOON, Sang-Uk LIM, Seung Soo BAEK, Seong Young LEE, Wan-Soon IM
  • Patent number: 9851600
    Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
  • Publication number: 20170205665
    Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.
    Type: Application
    Filed: April 4, 2017
    Publication date: July 20, 2017
    Inventors: Byoung Sun NA, Hee June KWAK, Seok Kyu YOON, Sang-Uk LIM, Seung Soo BAEK, Seong Young LEE, Wan-Soon IM
  • Patent number: 9632351
    Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 25, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
  • Publication number: 20160223858
    Abstract: A liquid crystal display includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer formed between the first substrate and the second substrate; and a first color pixel area, a second color pixel area, a third color pixel area, and a fourth color pixel area, wherein the first, second, third, and fourth color pixel areas are formed on one of the first substrate and the second substrate. The first, second, and third color pixel areas respectively include one of a red filter, a green filter, and a blue filter, and the fourth color pixel area includes a white filter. A cross-section of the white filter has a parabolic shape or a semicircular shape.
    Type: Application
    Filed: October 29, 2015
    Publication date: August 4, 2016
    Inventors: Sang-Uk LIM, Seok Kyu YOON, Sun Hwa LEE
  • Publication number: 20160189591
    Abstract: Embodiments of the present invention relate to a display device and a driving method thereof. More particularly, embodiments of the present invention relate to a display device including a white pixel, and a method of driving such a display device. A display device according to an exemplary embodiment of the present invention includes a plurality of colored pixels and a white pixel, wherein the colored pixels and the white pixel each include at least one switching element, the colored pixels and the white pixel are disposed to be adjacent to each other so as to collectively have a center, and the switching elements are each positioned proximate to the center.
    Type: Application
    Filed: July 16, 2015
    Publication date: June 30, 2016
    Inventors: Seok Kyu YOON, Sang Uk LIM
  • Publication number: 20160033816
    Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 4, 2016
    Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
  • Publication number: 20160033813
    Abstract: A liquid crystal display device that allows efficient luminance control is presented. The device includes: first, second, and third color pixel areas; a first substrate and a second substrate; a first color filter disposed in the first color pixel area on the first substrate or the second substrate; a second color filter disposed in the second color pixel area on the first substrate or the second substrate; a third color filter disposed in the third color pixel area on the first substrate or the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein the first color pixel area includes a first transparent region at which the first color filter is not disposed, and a ratio of the first transparent region of the first color pixel area to the first color pixel area is in a range of 1/1000 to ½, inclusive.
    Type: Application
    Filed: December 10, 2014
    Publication date: February 4, 2016
    Inventors: Seok Kyu YOON, Hee June KWAK, Eun Ju KIM, Sun Hwa LEE, Yun Seok LEE, Jun Pyo LEE, Sang-Uk LIM