Patents by Inventor Seok-Je Seong

Seok-Je Seong 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: 11600678
    Abstract: An organic light-emitting display device comprises a first thin-film transistor disposed on a substrate; and a second thin-film transistor disposed on the substrate and spaced apart from the first thin-film transistor. The first thin-film transistor comprises a first semiconductor layer, a first conductive layer disposed on the first semiconductor layer and that overlaps the first semiconductor layer, and a first insulating layer disposed between the first semiconductor layer and the first conductive layer. The second thin-film transistor comprises a second semiconductor layer, and a second conductive layer disposed on the second semiconductor layer and that overlaps the second semiconductor layer.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Ho Jeong, Se Myung Kwon, Yoon Ho Kim, Seok Je Seong, Joon Hoo Choi
  • Patent number: 11594558
    Abstract: A display device includes a first active pattern, a first conductive pattern including a gate electrode overlapping the first active pattern, a first gate line overlapping the first active pattern and extending in a first direction, and a second gate line extending in the first direction, a second conductive pattern disposed on the first conductive pattern and including a third gate line extending in the first direction and a fourth gate line extending in the first direction, a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern, and a third conductive pattern disposed on the second active pattern and including a first upper electrode overlapping the third gate line and connected to the third gate line, and a second upper electrode overlapping the fourth gate line and connected to the fourth gate line.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Ji Seon Lee
  • Patent number: 11580916
    Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Seon Lee, Jin Sung An, Seok Je Seong, Seong Jun Lee, Se Wan Son
  • Publication number: 20230012771
    Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 19, 2023
    Inventors: Jin Sung AN, Seok Je SEONG, Ji Seon LEE, Se Wan SON
  • Publication number: 20230011885
    Abstract: A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 12, 2023
    Inventors: Kyunghyun BAEK, Seok Je SEONG, Hyeonsik KIM, Yoonjee SHIN, Jae Hyun LEE, Woo Ho JEONG, Yoon-Jong CHO
  • Patent number: 11538882
    Abstract: A display device includes a polycrystalline semiconductor including a channel and electrodes of a driving transistor; a gate electrode of the driving transistor on the channel of the driving transistor; a first storage electrode on the gate electrode of the driving transistor; a light blocking layer of a first transistor and a light blocking layer of a second transistor; an oxide semiconductor including a channel and electrodes of the first transistor, and a channel and electrodes of the second transistor; a gate electrode of the first transistor on the channel of the first transistor; and a gate electrode of the second transistor on the channel of the second transistor. The light blocking layer of the first transistor and the first storage electrode are on a same layer, and the light blocking layer of the second transistor and the gate electrode of the driving transistor are on a same layer.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoon-Jong Cho, Seok Je Seong, Seong Jun Lee
  • Patent number: 11455943
    Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Sung An, Seok Je Seong, Ji Seon Lee, Se Wan Son
  • Patent number: 11450725
    Abstract: A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyunghyun Baek, Seok Je Seong, Hyeonsik Kim, Yoonjee Shin, Jae Hyun Lee, Woo Ho Jeong, Yoon-Jong Cho
  • Publication number: 20220246710
    Abstract: An embodiment provides a light emitting display device, including a display panel including a display area, wherein the display area of the display panel includes: a transparent display area; an intermediate display area that is disposed at one side or both sides of the transparent display area along a first direction and includes a pixel circuit part for a transparent display area; and a normal display area, and wherein the transparent display area includes: a first anode; and a transmission transistor that transmits an emission current outputted from the pixel circuit part for the transparent display area to the first anode.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 4, 2022
    Inventors: Min Woo WOO, Sung Ho KIM, Seok Je SEONG, Jin Sung AN, Wang Woo LEE, Ji Seon LEE
  • Publication number: 20220199750
    Abstract: A display device having a display area including a plurality of pixels arranged along a first direction and a second direction, and a non-display area located around the display area, the non-display area including a first peripheral area surrounding the display area, a second peripheral area located at a lower side of the first peripheral area, and a bending area located between the first and second peripheral areas, the display device comprises a base substrate; a multiplexer circuit unit in the second peripheral area on the base substrate, the multiplexer circuit unit being spaced apart from the display area with the bending area interposed therebetween; spider lines connected to the multiplexer circuit unit and the plurality of pixels; data lines connected to the pixel disposed in the display area on the base substrate and extending along the second direction; and connection lines connecting the data line to the spider line.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 23, 2022
    Inventors: Seung Hwan Cho, Won Suk Choi, Ji Ryun Park, Seok Je Seong, Hyeon Woo Shin, Ji Seon Lee
  • Publication number: 20220190165
    Abstract: A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line. An entirety of the upper gate signal line overlaps a part of the lower gate signal line in an overlapping area in which the lower gate signal line or the upper gate signal line overlaps the first connection pattern.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Yun Sik JOO, Seok Je SEONG, Kyung Hyun BAEK, Hyeon Woo SHIN
  • Publication number: 20220180820
    Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Inventors: Ji Seon LEE, Jin Sung AN, Seok Je SEONG, Seong Jun LEE, Se Wan SON
  • Patent number: 11353974
    Abstract: A display device includes a first substrate, a second substrate, a transistor, a display element, a first touch electrode, a second touch electrode, a spacer, and a light reflector. The second substrate overlaps the first substrate. The transistor is positioned between the first substrate and the second substrate. The display element is electrically connected to the transistor. The first touch electrode contacts the second substrate. The second touch electrode contacts the second substrate and is insulated from the first touch electrode. The spacer overlaps the first touch electrode and is positioned between the first touch electrode and the first substrate. The light reflector overlaps the second touch electrode, is positioned between the second touch electrode and the first substrate, and is spaced from the spacer. A distance between the light reflector and the second touch electrode is greater than a distance between the spacer and the first touch electrode.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: June 7, 2022
    Inventor: Seok Je Seong
  • Patent number: 11302268
    Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: April 12, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Seon Lee, Jin Sung An, Seok Je Seong, Seong Jun Lee, Se Wan Son
  • Patent number: 11296234
    Abstract: A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line. An entirety of the upper gate signal line overlaps a part of the lower gate signal line in an overlapping area in which the lower gate signal line or the upper gate signal line overlaps the first connection pattern.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yun Sik Joo, Seok Je Seong, Kyung Hyun Baek, Hyeon Woo Shin
  • Publication number: 20220059025
    Abstract: A display device includes: a pixel unit including pixels connected to first scan lines, second scan lines, and data lines; a scan driver for supplying a first scan signal to the pixels through the first scan lines at a first frequency and supplying a second scan signal to the pixels through the second scan lines at a second frequency different from the first frequency in a first mode; a first signal supply for supplying an inspection signal to the pixels through at least one of the data lines in response to the first scan signal in a first period of the first mode; and a second signal for supply supplying a bias signal to the pixels through the data lines in response to the first scan signal in a second period of the first mode.
    Type: Application
    Filed: November 8, 2021
    Publication date: February 24, 2022
    Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Jae Hyun Lee, Yoon Jong Cho
  • Patent number: 11170704
    Abstract: A display device includes: a pixel unit including pixels connected to first scan lines, second scan lines, and data lines; a scan driver for supplying a first scan signal to the pixels through the first scan lines at a first frequency and supplying a second scan signal to the pixels through the second scan lines at a second frequency different from the first frequency in a first mode; a first signal supply for supplying an inspection signal to the pixels through at least one of the data lines in response to the first scan signal in a first period of the first mode; and a second signal for supply supplying a bias signal to the pixels through the data lines in response to the first scan signal in a second period of the first mode.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: November 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Jae Hyun Lee, Yoon Jong Cho
  • Publication number: 20210296502
    Abstract: A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line. An entirety of the upper gate signal line overlaps a part of the lower gate signal line in an overlapping area in which the lower gate signal line or the upper gate signal line overlaps the first connection pattern.
    Type: Application
    Filed: October 14, 2020
    Publication date: September 23, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Yun Sik JOO, Seok Je SEONG, Kyung Hyun BAEK, Hyeon Woo SHIN
  • Publication number: 20210280609
    Abstract: A display device includes a first active pattern, a first conductive pattern including a gate electrode overlapping the first active pattern, a first gate line overlapping the first active pattern and extending in a first direction, and a second gate line extending in the first direction, a second conductive pattern disposed on the first conductive pattern and including a third gate line extending in the first direction and a fourth gate line extending in the first direction, a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern, and a third conductive pattern disposed on the second active pattern and including a first upper electrode overlapping the third gate line and connected to the third gate line, and a second upper electrode overlapping the fourth gate line and connected to the fourth gate line.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 9, 2021
    Inventors: Jin Sung AN, Seok Je SEONG, Seong Jun LEE, Ji Seon LEE
  • Publication number: 20210280127
    Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 9, 2021
    Inventors: JIN SUNG AN, Seok Je SEONG, Ji Seon LEE, Se Wan SON