Patents by Inventor Youn Hak Jeong

Youn Hak Jeong 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: 20230251527
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Application
    Filed: April 21, 2023
    Publication date: August 10, 2023
    Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
  • Patent number: 11662627
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 30, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
  • Patent number: 10859863
    Abstract: A liquid crystal display includes a substrate, a pixel electrode disposed on the substrate and including a first subpixel electrode and a second subpixel electrode, and a liquid crystal layer disposed on the first subpixel electrode and the second subpixel electrode. A first insulating layer is disposed between the substrate and the first subpixel electrode. A second insulating layer is disposed between the second subpixel electrode and the liquid crystal layer. A common electrode is disposed on the liquid crystal layer. The first subpixel electrode is disposed farther from the substrate than the second subpixel electrode, and the first subpixel electrode and the second subpixel electrode have facing edges which are connected with each other.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: December 8, 2020
    Inventors: Youn Hak Jeong, Yun Seok Lee
  • Publication number: 20200348553
    Abstract: A liquid crystal display includes: a first display panel including a transistor; a second display panel disposed facing the first display panel, the second display panel including: a light blocking member overlapping the transistor, the light blocking member including: a first portion having a first thickness; and a second portion having a second thickness; and a liquid crystal layer disposed between the first display panel and the second display panel, wherein the second thickness is thinner than the first thickness.
    Type: Application
    Filed: February 13, 2020
    Publication date: November 5, 2020
    Inventors: Won Jun LEE, You Sik SHIN, Youn Hak JEONG, Hak Sun CHANG, Jin Joo HA
  • Publication number: 20200348569
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
  • Patent number: 10747070
    Abstract: A liquid crystal display device includes a first row including first, second, and third first-color pixels; a second row including fourth, fifth, and sixth first-color pixels; and a third row including seventh, eighth, and ninth first-color pixels. The first, fourth, and seventh first-color pixels are aligned. The second, fifth, and eighth first-color pixels are aligned. The third, sixth, and ninth first-color pixels are aligned. The second first-color pixel is disposed between the first and third first-color pixels. Each pixel electrode of the first, third, fifth, seventh, and ninth first-color pixels may receive a high voltage for a gray level. Each pixel electrode of the second, fourth, sixth, and eighth first-color pixels may receive a low voltage for a gray level lower than the high voltage for a gray level. Liquid crystal molecules in each pixel have two domain directions.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Ki Park, Tae-Jong Jun, Youn Hak Jeong, Won Jun Lee, Jin Joo Ha
  • Patent number: 10718977
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
  • Patent number: 10670900
    Abstract: A liquid-crystal display device includes: a substrate on which a plurality of pixels is defined, wherein each of the pixels includes an active area where transmittance of light is controlled; an organic layer disposed on the substrate; and a pixel electrode disposed on the organic layer. The active area comprises a first area, a second area and a third area, the second and third areas are connected to the first area on both sides thereof, respectively, when viewed from a top, and the organic layer is disposed only in the first area.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Jun Lee, Doo Hwan You, Young Goo Song, Youn Hak Jeong
  • Publication number: 20200073184
    Abstract: A liquid crystal display device includes a first row including first, second, and third first-color pixels; a second row including fourth, fifth, and sixth first-color pixels; and a third row including seventh, eighth, and ninth first-color pixels. The first, fourth, and seventh first-color pixels are aligned. The second, fifth, and eighth first-color pixels are aligned. The third, sixth, and ninth first-color pixels are aligned. The second first-color pixel is disposed between the first and third first-color pixels. Each pixel electrode of the first, third, fifth, seventh, and ninth first-color pixels may receive a high voltage for a gray level. Each pixel electrode of the second, fourth, sixth, and eighth first-color pixels may receive a low voltage for a gray level lower than the high voltage for a gray level. Liquid crystal molecules in each pixel have two domain directions.
    Type: Application
    Filed: May 28, 2019
    Publication date: March 5, 2020
    Inventors: Ju Ki PARK, Tae-Jong JUN, Youn Hak JEONG, Won Jun LEE, Jin Joo HA
  • Publication number: 20200020723
    Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 16, 2020
    Inventors: YOUN HAK JEONG, Bo Yeong Kim, Jang soo Kim, Hong Min Yoon, Seong Young Lee, Ho Jun Lee
  • Patent number: 10424600
    Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: September 24, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youn Hak Jeong, Bo Yeong Kim, Jang Soo Kim, Hong Min Yoon, Seong Young Lee, Ho Jun Lee
  • Patent number: 10401684
    Abstract: A liquid crystal display device includes first and second substrates facing each other and including pixels, a pixel electrode disposed on the first substrate to be provided in each of the pixels, and a common electrode disposed on the second substrate, where the pixel electrode includes first unit electrodes, each of the first unit electrodes includes four domains, which are arranged in two rows in a first direction and two columns in a second direction, the four domains include first, second, third, and fourth domains of a corresponding first unit electrode, each of the first unit electrodes further includes a first slit, which is an opening defined along boundaries between the first through fourth domains, and the common electrode includes second slits, which are openings defined along outer sides of each of the first unit electrodes.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: September 3, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Ik Han Oh, Wan Namgung, Seung Kyu Lee, Ho Jun Lee, Youn Hak Jeong
  • Publication number: 20190146250
    Abstract: A liquid-crystal display device includes: a substrate on which a plurality of pixels is defined, wherein each of the pixels includes an active area where transmittance of light is controlled; an organic layer disposed on the substrate; and a pixel electrode disposed on the organic layer. The active area comprises a first area, a second area and a third area, the second and third areas are connected to the first area on both sides thereof, respectively, when viewed from a top, and the organic layer is disposed only in the first area.
    Type: Application
    Filed: March 20, 2018
    Publication date: May 16, 2019
    Inventors: Won Jun Lee, Doo Hwan You, Young Goo Song, Youn Hak Jeong
  • Publication number: 20190041675
    Abstract: A liquid crystal display includes a substrate, a pixel electrode disposed on the substrate and including a first subpixel electrode and a second subpixel electrode, and a liquid crystal layer disposed on the first subpixel electrode and the second subpixel electrode. A first insulating layer is disposed between the substrate and the first subpixel electrode. A second insulating layer is disposed between the second subpixel electrode and the liquid crystal layer. A common electrode is disposed on the liquid crystal layer. The first subpixel electrode is disposed farther from the substrate than the second subpixel electrode, and the first subpixel electrode and the second subpixel electrode have facing edges which are connected with each other.
    Type: Application
    Filed: March 12, 2018
    Publication date: February 7, 2019
    Inventors: Youn Hak JEONG, Yun Seok LEE
  • Patent number: 10168594
    Abstract: A liquid crystal display includes a first substrate including pixels, a gate line disposed on the first substrate, data lines disposed on the first substrate, a first reference voltage line and a second reference voltage line respectively disposed on the first substrate and applying a first reference voltage and a second reference voltage having different polarities from each other, a pixel electrode disposed in one pixel area and including a first subpixel electrode and a second subpixel electrode, where a first pixel column may overlap the first reference voltage line and the second reference voltage line, a second pixel column adjacent to the first pixel column may not overlap the first reference voltage line and the second reference voltage line, and a first width of the pixel electrode of the first pixel column may be different from a second width of the pixel electrode of the second pixel column.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Pyo Hong, Youn Hak Jeong, Wan Namgung, Hyung Jun Park, Yun Seok Lee
  • Patent number: 10146097
    Abstract: A display device includes a gate line and a data line crossing the gate line. The display device further includes a first switching element and a second switching element each connected to the gate line and the data line. The display device further includes a first sub-pixel electrode and a second sub-pixel electrode connected to the first switching element and the second switching element, respectively. The display device further includes a reference voltage line for transmitting a reference voltage, a first portion of the first reference voltage line overlapping a first edge of the first sub-pixel electrode, a second portion of the first reference voltage line overlapping a second edge of the first sub-pixel electrode opposite the first edge of the first sub-pixel electrode. The display device further includes a third switching element connected to the gate line, the first sub-pixel electrode, and the reference voltage line.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Shi Yul Kim, Bum Ki Baek, Dong Hee Shin, Ho Jun Lee, Kyong Sik Choi
  • Patent number: 10126606
    Abstract: A liquid crystal display panel includes a first gate line and a second gate line extending in a first direction, a first data line and a second data line extending in a second direction, a pixel region surrounded by the first and second gate lines and the first and second data lines, and a first sub pixel electrode and a second sub pixel electrode disposed in the pixel region, wherein the first sub pixel electrode includes a first pattern section and a second pattern section symmetrical with each other about the second direction serving as an axis, wherein the second sub pixel electrode includes a third pattern section having a same shape as that of either the first pattern section or the second pattern section, and a fourth pattern section having a shape different from those of both the first pattern section and the second pattern section, wherein the first sub pixel electrode and the second sub pixel electrode are electrically interconnected.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Park, Seong Young Lee, Youn Hak Jeong, Ki Pyo Hong, Byoung Sun Na, Kye Uk Lee
  • Patent number: 10108064
    Abstract: A display device includes a gate line and a data line crossing the gate line. The display device further includes a first switching element and a second switching element each connected to the gate line and the data line. The display device further includes a first sub-pixel electrode and a second sub-pixel electrode connected to the first switching element and the second switching element, respectively. The display device further includes a reference voltage line for transmitting a reference voltage, a first portion of the first reference voltage line overlapping a first edge of the first sub-pixel electrode, a second portion of the first reference voltage line overlapping a second edge of the first sub-pixel electrode opposite the first edge of the first sub-pixel electrode. The display device further includes a third switching element connected to the gate line, the first sub-pixel electrode, and the reference voltage line.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: October 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Shi Yul Kim, Bum Ki Baek, Dong Hee Shin, Ho Jun Lee, Kyong Sik Choi
  • Publication number: 20180247957
    Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.
    Type: Application
    Filed: May 2, 2018
    Publication date: August 30, 2018
    Inventors: YOUN HAK JEONG, BO YEONG KIM, JANG SOO KIM, HONG MIN YOON, SEONG YOUNG LEE, HO JUN LEE
  • Patent number: 10042215
    Abstract: A liquid crystal display includes a first panel including a first substrate, a first electrode which is disposed on the first substrate and which includes a stem unit including a horizontal stem and a vertical stem dividing a pixel into domains, a branch unit including branch electrodes and extending from at least one stem of the stem unit in one direction, and an external bundling electrode unit connected to an end of at least one of the branch electrodes and disposed along an edge of the pixel, a first slit pattern which is defined in the branch unit, a second slit pattern which contacts the vertical stem and is disposed parallel to the horizontal stem, a third slit pattern which contacts the horizontal stem and is disposed parallel to the vertical stem, and a protrusion unit which is disposed on an outer circumference of the external bundling electrode unit.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Se Hyun Lee, Ik Han Oh, Wan Namgung, Ho Jun Lee, Youn Hak Jeong, Ki Pyo Hong