Patents by Inventor Joon-Woo BAE

Joon-Woo BAE 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: 20240338100
    Abstract: A display device is disclosed that includes a display panel including a light emitting area and a non-light-emitting area adjacent to the light emitting area and an input sensor disposed on the display panel. The input sensor includes a first sensor conductive layer disposed on the display panel, a first sensor insulating layer disposed on the first sensor conductive layer, and a second sensor conductive layer disposed on the first sensor insulating layer. At least one of the first sensor conductive layer and the second sensor conductive layer is provided with a mesh opening defined therethrough, at least one of a side surface of the first sensor conductive layer and a side surface of the second sensor conductive layer is provided with a recessed portion defined therein, and the input sensor further includes a light absorption layer disposed in the recessed portion.
    Type: Application
    Filed: January 22, 2024
    Publication date: October 10, 2024
    Inventors: HYUNEOK SHIN, JOON WOO BAE, JUHYUN LEE, SAMTAE JEONG, YUNG BIN CHUNG
  • Publication number: 20240302928
    Abstract: A display device includes a substrate comprising emission and non-emission areas. A light-emitting element overlaps the emission area and is on the substrate. A thin-film encapsulation layer overlaps with the emission and non-emission areas and is on the light-emitting element. A touch sensor layer is on the thin-film encapsulation layer. The touch sensor layer comprises a first conductive layer on the thin-film encapsulation layer. A touch insulating layer is on the first conductive layer. A second conductive layer is on the touch insulating layer. The touch insulating layer overlaps with the non-emission area and comprises a first surface facing the thin-film encapsulation layer. A second surface is opposite to the first surface and has a width in a first direction greater than that of the first surface. An inclined surface connects the first and second surfaces. The second conductive layer covers the second surface and the inclined surface.
    Type: Application
    Filed: December 7, 2023
    Publication date: September 12, 2024
    Inventors: Hyeon Bum LEE, Joon Woo BAE, Hyun Ho KIM, Hyoeng Ki KIM
  • Publication number: 20240081099
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
  • Patent number: 11925098
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
  • Publication number: 20240062700
    Abstract: Provided is a display device including a display panel configured to include a plurality of pixels positioned on a first substrate and a plurality of scan lines positioned along a first direction; and a plurality of shift registers configured to receive a plurality of clock signals and a start signal, to generate a plurality of scan signals, and to transfer the scan signals to the scan lines, wherein a first shift register among the shift registers is positioned on a second substrate, and is connected to an adjacent second shift register positioned on the first substrate among the shift registers and a corresponding scan line through a contact hole formed in the second substrate.
    Type: Application
    Filed: April 25, 2023
    Publication date: February 22, 2024
    Inventors: Joon Woo BAE, Dong Min LEE
  • Publication number: 20240057410
    Abstract: A display device includes a substrate including a flat area and a trench area, which is recessed from the flat area; an electrode pattern disposed on the substrate, where the electrode pattern includes a dent portion, which is bent along a profile of the trench area of the substrate; a planarization layer inserted in the dent portion; a first insulating layer covering the substrate, the electrode pattern, and the planarization layer; and a light-emitting element disposed on the first insulating layer, where the planarization layer includes an organic-inorganic composite material.
    Type: Application
    Filed: April 6, 2023
    Publication date: February 15, 2024
    Inventors: Hyun Eok SHIN, Joon Yong PARK, Joon Woo BAE, Do Keun SONG, Yung Bin CHUNG
  • Patent number: 11856818
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Woo Bae, So Young Koo, Han Bit Kim, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
  • Publication number: 20230413631
    Abstract: A display device includes a substrate, a metal pattern on the substrate, the metal pattern including a first alloy layer and a first metal layer, wherein the first alloy layer includes a titanium alloy including at least one of copper or zinc and the first metal layer is on the first alloy layer, an active layer on the metal pattern and a gate electrode on the active layer, the gate electrode including a second alloy layer and a second metal layer, wherein the second alloy layer includes a titanium alloy including at least one of copper or zinc and the second metal layer is on the second alloy layer.
    Type: Application
    Filed: February 10, 2023
    Publication date: December 21, 2023
    Inventors: HYUNEOK SHIN, DONGMIN LEE, YOUNGROK KIM, JOONYONG PARK, JOON WOO BAE, SAMTAE JEONG
  • Publication number: 20230232671
    Abstract: An organic light emitting diode display includes a substrate, an overlap layer on the substrate, a semiconductor layer on the overlap layer, a first gate conductor on the semiconductor layer, a second gate conductor on the first gate conductor, a data conductor on the second gate conductor, a driving transistor on the overlap layer, and an organic light emitting diode connected with the driving transistor. The driving transistor includes, in the semiconductor layer, a first electrode, a second electrode, with a channel therebetween. A gate electrode of the first gate conductor overlaps the channel. The overlap layer overlaps the channel of the driving transistor and at least a portion of the first electrode. A storage line of the second gate conductor receives a driving voltage through a driving voltage line in the data conductor. The overlap layer receives a constant voltage.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 20, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joon Woo BAE, Mee Jae KANG, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO, Myoung Geun CHA
  • Patent number: 11616108
    Abstract: An organic light emitting diode display includes a substrate, an overlap layer on the substrate, a semiconductor layer on the overlap layer, a first gate conductor on the semiconductor layer, a second gate conductor on the first gate conductor, a data conductor on the second gate conductor, a driving transistor on the overlap layer, and an organic light emitting diode connected with the driving transistor. The driving transistor includes, in the semiconductor layer, a first electrode, a second electrode, with a channel therebetween. A gate electrode of the first gate conductor overlaps the channel. The overlap layer overlaps the channel of the driving transistor and at least a portion of the first electrode. A storage line of the second gate conductor receives a driving voltage through a driving voltage line in the data conductor. The overlap layer receives a constant voltage.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Woo Bae, Mee Jae Kang, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo, Myoung Geun Cha
  • Publication number: 20230075763
    Abstract: A display device includes: a substrate; and a plurality of pixel circuits on the substrate comprising: an active layer including a first region and a second region; a gate insulating layer on the active layer, the gate insulating layer including a first insulating layer overlapping the first region and the second region, a second insulating layer on the first insulating layer and overlapping the first region, and a third insulating layer on the second insulating layer and overlapping the first region and the second region; and a first conductive layer on the gate insulating layer, the first conductive layer including a first gate electrode overlapping the first region to form a driving transistor, and a second gate electrode overlapping the second region to form a switching transistor.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventors: KEUNWOO KIM, TAEWOOK KANG, JOON WOO BAE, YU-GWANG JEONG, SUNGWON CHO, JAEHWAN CHU, SANGGUN CHOI
  • Publication number: 20230068662
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Joon Woo BAE, Ji Yeong SHIN, Yong Su LEE
  • Publication number: 20230025912
    Abstract: A display device including: a display area including a plurality of pixels; and a peripheral area disposed around the display area to include a driving signal transmission line, each of the pixels may include a transistor, a driving voltage line connected to the transistor and the driving signal transmission line, and a light emitting unit connected to the transistor, the pixels may include a first pixel and a second pixel spaced apart from the driving signal transmission line to have different distances from each other, and a concentration of impurities doped in a semiconductor layer of the transistor of the first pixel may be different from a concentration of impurities doped in a semiconductor layer of the transistor of the second pixel.
    Type: Application
    Filed: July 21, 2022
    Publication date: January 26, 2023
    Inventors: Joon Woo BAE, Keun Woo Kim, Jae Hwan CHU, Sang Gun CHOI
  • Publication number: 20230026562
    Abstract: A display device includes a first transistor, a second transistor electrically connected thereto, n third transistors electrically connected to a gate of the first transistor and connected to each other in series, a capacitor to be charged with a voltage corresponding to a data signal, and a light emitting element, wherein the third transistors include a semiconductor area including a channel area, a source area, a drain area, and a gate overlapping the channel area, wherein the source area or the drain area that is closer to the gate of the first transistor, and that is of the third transistor closest to the gate of the first transistor, includes a first area, and a second area between the first area and the channel area, having a doping concentration that is lower than that of the first area, and having a width that is less than that of the first area.
    Type: Application
    Filed: May 9, 2022
    Publication date: January 26, 2023
    Inventors: KEUNWOO KIM, TAEWOOK KANG, JANG-HYUN KIM, JOON WOO BAE, JAESEOB LEE, DONGGYU JIN, SANGGUN CHOI
  • Patent number: 11502282
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
  • Publication number: 20220352282
    Abstract: An exemplary embodiment of the present disclosure provides a display device including: a substrate; a semiconductor layer disposed on the substrate; a first transistor including a first gate electrode disposed on the semiconductor layer; a light-emitting diode connected with the first transistor; and a first layer disposed between the substrate and the semiconductor layer, wherein the semiconductor layer includes a first electrode, a second electrode, and a channel disposed between the first electrode and the second electrode, the channel includes an impurity, and the first layer overlaps the first transistor.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 3, 2022
    Inventors: Mee Jae KANG, Joon Woo BAE, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO, Myoung Geun CHA
  • Publication number: 20220140038
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
  • Patent number: 11257886
    Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Woo Bae, So Young Koo, Han Bit Kim, Thanh Tien Nguyen, Kyoung Won Lee, Yong Su Lee, Jae Seob Lee, Gyoo Chul Jo
  • Patent number: 11183650
    Abstract: A display substrate includes a first conductive layer on a base substrate, a first insulation layer on the first conductive layer, a second conductive layer on the first insulation layer, a second insulation layer on the second conductive layer, and a third conductive layer on the second insulation layer. The third conductive layer is connected to the first conductive layer and the second conductive layer through a contact hole passing through the first insulation layer, the second conductive layer, and the second insulation layer. A sidewall of the contact hole has a stepped shape.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myounggeun Cha, Sanggun Choi, Meejae Kang, Sanggab Kim, Joon woo Bae, Thanh Tien Nguyen, Kyoungwon Lee, Yongsu Lee
  • Publication number: 20210036268
    Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.
    Type: Application
    Filed: October 21, 2020
    Publication date: February 4, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Myoung Geun CHA, Sang Gun CHOI, Joon Woo BAE, Ji Yeong SHIN, Yong Su LEE