Patents by Inventor Soo-Jung Chae

Soo-Jung Chae 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: 11869896
    Abstract: A display device includes a substrate and a transistor disposed on the substrate and including a semiconductor layer, wherein the semiconductor layer includes a mesh structure, and wherein a plurality of openings are formed in the semiconductor layer.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woo Bin Lee, Seok Hwan Bang, Seung Sok Son, Woo Geun Lee, Soo Jung Chae
  • Patent number: 11521570
    Abstract: A gate driver for a display device includes: a clock signal line to transfer a clock signal; and a plurality of stages to sequentially output a gate signal based upon the clock signal in response to a carry signal. The plurality of stages include a plurality of thin film transistors, and at least one of the plurality of thin film transistors includes a thin film transistor including an oxide semiconductor. The at least one thin film transistor includes a first gate electrode and a second gate electrode disposed in different layers, the oxide semiconductor is disposed between the first gate electrode and the second gate electrode, and the first gate electrode and the second gate electrode are connected to receive a common voltage signal.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Hoon Lim, Kang Nam Kim, Seok Hwan Bang, Sung Hwan Won, Woo Geun Lee, Kyu Sik Cho, Soo Jung Chae
  • Publication number: 20220140059
    Abstract: A display device includes a pixel electrode disposed on a first surface of a substrate, a light emitting layer disposed on the pixel electrode, a common electrode disposed on the light emitting layer, a supply voltage line disposed on the first surface of the substrate and applying a voltage to the common electrode, a first auxiliary conductive layer disposed on a second surface of the substrate, and a first connection conductive layer at least partially disposed on a side surface of the substrate and electrically connecting the first auxiliary conductive layer to the supply voltage line.
    Type: Application
    Filed: September 15, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong In KIM, Hyun Seong KANG, Joon Geol KIM, Seung Sok SON, Woo Geun LEE, Young Jae JEON, Soo Jung CHAE, Ji Yun HONG
  • Publication number: 20220139965
    Abstract: A display device includes a substrate and a transistor disposed on the substrate and including a semiconductor layer, wherein the semiconductor layer includes a mesh structure, and wherein a plurality of openings are formed in the semiconductor layer.
    Type: Application
    Filed: July 6, 2021
    Publication date: May 5, 2022
    Inventors: Woo Bin LEE, Seok Hwan BANG, Seung Sok SON, Woo Geun LEE, Soo Jung CHAE
  • Publication number: 20200394978
    Abstract: A gate driver for a display device includes: a clock signal line to transfer a clock signal; and a plurality of stages to sequentially output a gate signal based upon the clock signal in response to a carry signal. The plurality of stages include a plurality of thin film transistors, and at least one of the plurality of thin film transistors includes a thin film transistor including an oxide semiconductor. The at least one thin film transistor includes a first gate electrode and a second gate electrode disposed in different layers, the oxide semiconductor is disposed between the first gate electrode and the second gate electrode, and the first gate electrode and the second gate electrode are connected to receive a common voltage signal.
    Type: Application
    Filed: March 4, 2020
    Publication date: December 17, 2020
    Inventors: Sung Hoon LIM, Kang Nam KIM, Seok Hwan BANG, Sung Hwan WON, Woo Geun LEE, Kyu Sik CHO, Soo Jung CHAE
  • Patent number: 10175543
    Abstract: A liquid crystal display (LCD) includes a first substrate that has a first pixel area with a first transmitting region and a first non-transmitting region and a second pixel area with a second transmitting region and a second non-transmitting region, a first pixel electrode disposed on the first substrate in the first pixel area, and a second pixel electrode disposed on the first substrate in the second pixel area. An area of the first pixel electrode in the first transmitting region is greater than that of the second pixel electrode in the second transmitting region, and an area of the first pixel electrode in the first non-transmitting region is less than that of the second pixel electrode in the second non-transmitting region.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su Jin Lee, Hyang Yul Kim, Jeong Ho Lee, Soo Jung Chae
  • Patent number: 9746725
    Abstract: A liquid crystal display, includes: a substrate; a gate line including a gate pad and a data line including a data pad, the gate and data lines being disposed on the substrate; a thin film transistor connected to the gate line and the data line; an organic layer disposed on the thin film transistor; a pixel electrode disposed on the organic layer; a first contact assistant disposed on the gate pad; a second contact assistant disposed on the data pad; a first insulating layer disposed on the pixel electrode; and a common electrode disposed on the first insulating layer, the common electrode overlapping with the pixel electrode. The common electrode includes first cutouts, the first insulating layer includes second cutouts, the plane shapes of the first and second cutouts are substantially the same, and the pixel electrode includes a polycrystalline transparent conductive material.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa Yeul Oh, Sung Man Kim, Young Je Cho, Min-Chul Song, Eu Gene Lee, Soo Jung Chae, Hyun Ki Hwang
  • Patent number: 9671658
    Abstract: A liquid crystal display includes a substrate, a plurality of signal lines, a gate driver, and a sealant. The substrate includes a display area and a peripheral area outside the display area. The signal lines are integrated with the substrate and include a clock signal line. The gate driver includes a stage located between the clock signal line and the display area. The stage is integrated with the substrate and is configured to apply a gate voltage to the display area. The sealant is distributed over part of the peripheral area. A seal region where the sealant is distributed includes a seal line, and the clock signal line is located within the seal line. The clock signal line is located further away from the stage than the other signal lines.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Hoon Lim, Man Hong Na, Young-Je Cho, Sung-Man Kim, Min-Chul Song, Soo Jung Chae, Eu Gene Lee
  • Patent number: 9666611
    Abstract: A thin film transistor array panel includes: a data line which extends in a column direction and transfers a data voltage; a first pixel electrode and a second pixel electrode connected to the data line and adjacent in a row direction; a first thin film transistor connected to the first pixel electrode and the data line, and including a first source electrode and a first drain electrode; and a second thin film transistor connected to the second pixel electrode and the data line, and including a second source electrode and a second drain electrode. The first pixel electrode is at the right of the data line, the second pixel electrode is at the left of the data line, and relative positions of the first source electrode and the first drain electrode are the same as relative positions of the second source electrode and the second drain electrode.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Chul Song, Man Hong Na, Young Je Cho, Sung Man Kim, Sung-Hoon Lim, Soo Jung Chae, Eu Gene Lee
  • Publication number: 20160363821
    Abstract: A liquid crystal display (LCD) includes a first substrate that has a first pixel area with a first transmitting region and a first non-transmitting region and a second pixel area with a second transmitting region and a second non-transmitting region, a first pixel electrode disposed on the first substrate in the first pixel area, and a second pixel electrode disposed on the first substrate in the second pixel area. An area of the first pixel electrode in the first transmitting region is greater than that of the second pixel electrode in the second transmitting region, and an area of the first pixel electrode in the first non-transmitting region is less than that of the second pixel electrode in the second non-transmitting region.
    Type: Application
    Filed: January 19, 2016
    Publication date: December 15, 2016
    Inventors: SU JIN LEE, HYANG YUL KIM, JEONG HO LEE, SOO JUNG CHAE
  • Patent number: 9417491
    Abstract: A display device may include an insulating layer. The display device may further include a first field-generating electrode that overlaps the insulating layer. The display device may further include a second field-generating electrode that overlaps the first field-generating electrode and has a cutout. An exposed portion of the insulating layer may be exposed through the cutout and may be exposed between an edge (or boundary) of the first field-generating electrode and an end portion of the second field-generating electrode in a layout view of the display device.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo Jung Chae, Sung Man Kim, Min-Chul Song, Hwa Yeul Oh, Young Je Cho, Hyun Ki Hwang
  • Patent number: 9377655
    Abstract: A liquid crystal display includes: a first insulation substrate; a first gate conductor disposed on the first insulation substrate and in a same layer as a gate line and a second gate conductor disposed on the first insulation substrate and in the same layer as the gate line; a gate insulating layer disposed on the first gate conductor and the second gate conductor; a data conductor disposed on the gate insulating layer and in a same layer as a data line; a thin film transistor disposed on the first insulation substrate; a first spacer disposed on the first insulation substrate; and a second spacer disposed on the first insulation substrate, where heights or widths of the first and second spacers are different from each other and having different heights or widths, and the second spacer overlaps the first gate conductor and the second gate conductor.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Man Kim, Sung Hoon Kim, Man Hong Na, Min-Chul Song, Jun Ho Song, Eu Gene Lee, Sung-Hoon Lim, Young Je Cho, Sun-Kyu Joo, Soo Jung Chae
  • Patent number: 9354475
    Abstract: A liquid crystal display device includes a first substrate, a first electrode on the first substrate, and a second electrode on the first substrate, spaced apart from the first electrode and overlapping at least a part of the first electrode. the second electrode includes a plurality of branch electrodes, and a coupling portion which couples the plurality of branch electrodes to each other. The coupling portion includes a longitudinal coupling portion extended in a length direction of the branch electrode and a transverse coupling portion extended in a width direction of the branch electrode. An edge portion of the first electrode is disposed between at least one of the plurality of branch electrodes and the longitudinal coupling portion, in a plan view.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo-Jung Chae, Sung-Man Kim, Young-Je Cho
  • Publication number: 20160085106
    Abstract: A liquid crystal display includes a substrate, a plurality of signal lines, a gate driver, and a sealant. The substrate includes a display area and a peripheral area outside the display area. The signal lines are integrated with the substrate and include a clock signal line. The gate driver includes a stage located between the clock signal line and the display area. The stage is integrated with the substrate and is configured to apply a gate voltage to the display area. The sealant is distributed over part of the peripheral area. A seal region where the sealant is distributed includes a seal line, and the clock signal line is located within the seal line. The clock signal line is located further away from the stage than the other signal lines.
    Type: Application
    Filed: December 2, 2015
    Publication date: March 24, 2016
    Inventors: SUNG-HOON LIM, MAN HONG NA, YOUNG-JE CHO, SUNG-MAN KIM, MIN-CHUL SONG, SOO JUNG CHAE, EU GENE LEE
  • Publication number: 20160005768
    Abstract: A thin film transistor array panel includes: a data line which extends in a column direction and transfers a data voltage; a first pixel electrode and a second pixel electrode connected to the data line and adjacent in a row direction; a first thin film transistor connected to the first pixel electrode and the data line, and including a first source electrode and a first drain electrode; and a second thin film transistor connected to the second pixel electrode and the data line, and including a second source electrode and a second drain electrode. The first pixel electrode is at the right of the data line, the second pixel electrode is at the left of the data line, and relative positions of the first source electrode and the first drain electrode are the same as relative positions of the second source electrode and the second drain electrode.
    Type: Application
    Filed: September 14, 2015
    Publication date: January 7, 2016
    Inventors: Min-Chul SONG, Man Hong NA, Young Je CHO, Sung Man KIM, Sung-Hoon LIM, Soo Jung CHAE, Eu Gene LEE
  • Patent number: 9219156
    Abstract: A display substrate includes a gate line disposed on a base substrate and extending in a direction. A data line crosses the gate line. A thin film transistor comprises a gate electrode, a semiconductor pattern, a source electrode, and a drain electrode. The thin film transistor is connected to the gate line and the data line. A pixel electrode is connected to the thin film transistor. A light blocking pattern overlaps the semiconductor pattern. The light blocking pattern includes a haze-processed material of substantially the same material as the pixel electrode.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: December 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Ki Hwang, Sung-Man Kim, Young-Jin Park, Hwa-Yeul Oh, Young-Je Cho, Soo-Jung Chae
  • Patent number: 9218790
    Abstract: A liquid crystal display includes a substrate, a plurality of signal lines, a gate driver, and a sealant. The substrate includes a display area and a peripheral area outside the display area. The signal lines are integrated with the substrate and include a clock signal line. The gate driver includes a stage located between the clock signal line and the display area. The stage is integrated with the substrate and is configured to apply a gate voltage to the display area. The sealant is distributed over part of the peripheral area. A seal region where the sealant is distributed includes a seal line, and the clock signal line is located within the seal line. The clock signal line is located further away from the stage than the other signal lines.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: December 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Hoon Lim, Man Hong Na, Young-Je Cho, Sung-Man Kim, Min-Chul Song, Soo Jung Chae, Eu Gene Lee
  • Publication number: 20150261048
    Abstract: A liquid crystal display device includes a first substrate, a first electrode on the first substrate, and a second electrode on the first substrate, spaced apart from the first electrode and overlapping at least a part of the first electrode. the second electrode includes a plurality of branch electrodes, and a coupling portion which couples the plurality of branch electrodes to each other. The coupling portion includes a longitudinal coupling portion extended in a length direction of the branch electrode and a transverse coupling portion extended in a width direction of the branch electrode. An edge portion of the first electrode is disposed between at least one of the plurality of branch electrodes and the longitudinal coupling portion, in a plan view.
    Type: Application
    Filed: October 8, 2014
    Publication date: September 17, 2015
    Inventors: Soo-Jung CHAE, Sung-Man KIM, Young-Je CHO
  • Patent number: 9136283
    Abstract: A thin film transistor array panel includes: a data line which extends in a column direction and transfers a data voltage; a first pixel electrode and a second pixel electrode connected to the data line and adjacent in a row direction; a first thin film transistor connected to the first pixel electrode and the data line, and including a first source electrode and a first drain electrode; and a second thin film transistor connected to the second pixel electrode and the data line, and including a second source electrode and a second drain electrode. The first pixel electrode is at the right of the data line, the second pixel electrode is at the left of the data line, and relative positions of the first source electrode and the first drain electrode are the same as relative positions of the second source electrode and the second drain electrode.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 15, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Chul Song, Man Hong Na, Young Je Cho, Sung Man Kim, Sung-Hoon Lim, Soo Jung Chae, Eu Gene Lee
  • Patent number: 9091892
    Abstract: A liquid crystal display includes a first substrate, gate lines and data lines disposed on a display area of the first substrate, a common voltage line disposed on a peripheral area of the first substrate, a common voltage transmission unit extending from the common voltage line, an organic layer disposed on the common voltage transmission unit and the common voltage line, a connecting member disposed on the organic layer disposed on the peripheral area, a first insulating layer disposed on the pixel electrode and the connecting member, a common electrode disposed on the first insulating layer, and a short point connecting the connecting member and the common electrode to each other. The common electrode and the first insulating layer include a plurality of cutouts in the peripheral region and display region of the first substrate which have substantially a same plane shape as each other.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: July 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Man Kim, Yeong-Keun Kwon, Duk-Sung Kim, Min-Chul Song, Eu Gene Lee, Soo Jung Chae