Patents by Inventor Yoon-Jong Cho

Yoon-Jong Cho 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: 20260206381
    Abstract: A display panel includes a substrate including adjacently-positioned first display area and second display area, a first inorganic insulation layer on the substrate and defining a transmission part in the second display area, a second inorganic insulation layer disposed on the first inorganic insulation layer and covering an inner surface and a bottom surface of the transmission part, a transparent wire on the second inorganic insulation layer in the second display area a via insulation layer on the second inorganic insulation layer and the transparent wire and including an organic material, a first light emitting element on the via insulation layer in the first display area, a second light emitting element on the via insulation layer in the second display area and electrically connected to the transparent wire, and an encapsulation layer covering the first and the second light emitting elements.
    Type: Application
    Filed: March 16, 2026
    Publication date: July 16, 2026
    Inventors: CHANGHO YI, KYEONGWOO JANG, SUNGHO KIM, JOONHYOUNG PARK, SEOKJE SEONG, MINWOO WOO, YOON-JONG CHO, HYERI CHO
  • Patent number: 12598847
    Abstract: A display panel includes a substrate including adjacently-positioned first display area and second display area, a first inorganic insulation layer on the substrate and defining a transmission part in the second display area, a second inorganic insulation layer disposed on the first inorganic insulation layer and covering an inner surface and a bottom surface of the transmission part, a transparent wire on the second inorganic insulation layer in the second display area a via insulation layer on the second inorganic insulation layer and the transparent wire and including an organic material, a first light emitting element on the via insulation layer in the first display area, a second light emitting element on the via insulation layer in the second display area and electrically connected to the transparent wire, and an encapsulation layer covering the first and the second light emitting elements.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: April 7, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changho Yi, Kyeongwoo Jang, Sungho Kim, Joonhyoung Park, Seokje Seong, Minwoo Woo, Yoon-Jong Cho, Hyeri Cho
  • Patent number: 12598873
    Abstract: A display panel includes a base layer, a circuit layer disposed on the base layer, a light-emitting element layer disposed on the circuit layer and including a light-emitting element having a pixel electrode, a light-emitting layer disposed on the pixel electrode, and a common electrode disposed on the light-emitting layer, an encapsulation layer disposed on the light-emitting element layer, and a pattern disposed between the circuit layer and the light-emitting element layer. At least a portion of the pattern may be disposed in a region adjacent to the light-emitting element, with respect to a plan view of the display panel.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: April 7, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minwoo Woo, Sungho Kim, Seokje Seong, Jinsung An, Haeyoung Yun, Seunghyun Lee, Wangwoo Lee, Jiseon Lee, Yoon-Jong Cho
  • Publication number: 20260068466
    Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.
    Type: Application
    Filed: November 5, 2025
    Publication date: March 5, 2026
    Inventors: Se Wan SON, Moo Soon KO, Kyung Hyun BAEK, Seok Je SEONG, Jae Hyun LEE, Jeong-Soo LEE, Ji Seon LEE, Yoon-Jong CHO
  • Patent number: 12501788
    Abstract: A display panel includes a first organic film layer, a first barrier layer disposed on first organic film layer, a shielding pattern disposed on the first barrier layer, a second barrier layer covering the shielding pattern and disposed on first barrier layer, a first active pattern disposed on the second barrier layer and overlapping the shielding pattern in a plan view, a gate electrode disposed on the first active pattern, an emission control line disposed on the first active pattern and adjacent to a first side of the gate electrode in the plan view, an upper compensation control line disposed on the emission control line and adjacent to a second side of gate electrode in the plan view, and a second active pattern disposed on the emission control line.
    Type: Grant
    Filed: November 16, 2023
    Date of Patent: December 16, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoon-Jong Cho, Tetsuhiro Tanaka, Young-In Hwang
  • Patent number: 12495688
    Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: December 9, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Moo Soon Ko, Kyung Hyun Baek, Seok Je Seong, Jae Hyun Lee, Jeong-Soo Lee, Ji Seon Lee, Yoon-Jong Cho
  • Patent number: 12419162
    Abstract: A display device includes an electronic module and a display panel including a first display area that overlaps the electronic module and a second display area that does not overlap the electronic module. The display panel includes a base layer, a light emitting element layer disposed on the base layer, and a light blocking layer disposed between the base layer and the light emitting element layer. The light emitting element layer includes a plurality of first light emitting elements disposed in the first display area and a plurality of second light emitting elements disposed in the second display area. The light blocking layer includes a plurality of first light blocking patterns disposed in the first display area and respectively overlapping the first light emitting elements.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: September 16, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minwoo Woo, Sungho Kim, Seokje Seong, Jinsung An, Seunghyun Lee, Wangwoo Lee, Jiseon Lee, Yoon-Jong Cho
  • Publication number: 20250261445
    Abstract: A display panel includes a base layer having a first region and a bent second region. An inorganic layer is disposed on the base layer. A lower groove is formed within the inorganic layer and overlaps the second region. A first thin-film transistor is disposed on the inorganic layer and includes a silicon semiconductor pattern overlapping the first region. A second thin-film transistor is disposed on the inorganic layer and includes an oxide semiconductor pattern overlapping the first region. Insulating layers overlap the first and second regions. An upper groove is formed within the insulating layers. A signal line electrically connects the second thin-film transistor. An organic layer overlaps the first and second regions and is disposed in the lower and upper grooves. A luminescent device is disposed on the organic layer and overlaps the first region.
    Type: Application
    Filed: April 28, 2025
    Publication date: August 14, 2025
    Inventors: Yoon-jong CHO, Suyeon YUN, Seokje SEONG, Seongjun LEE, Joonhoo CHOI, Semyung KWON, KYUNGHYUN BAEK
  • Publication number: 20250241142
    Abstract: A display panel includes a substrate, a first barrier layer disposed on the substrate, a shielding pattern disposed on the first barrier layer, a second barrier layer covering the shielding pattern and disposed on the first barrier layer, a first active pattern disposed on the second barrier layer and overlapping the shielding pattern in a plan view, a gate electrode disposed on the first active pattern, an emission control line disposed on the first active pattern and adjacent to one side of the gate electrode in a plan view, and an upper compensation control line disposed on the emission control line and adjacent to the other side of the gate electrode in a plan view.
    Type: Application
    Filed: April 9, 2025
    Publication date: July 24, 2025
    Inventors: HYUNGJUN PARK, WONKYU KWAK, YOON-JONG CHO, JI-EUN LEE, JIN JEON, SUNGHO KIM
  • Patent number: 12295218
    Abstract: A display panel includes a substrate, a first barrier layer disposed on the substrate, a shielding pattern disposed on the first barrier layer, a second barrier layer covering the shielding pattern and disposed on the first barrier layer, a first active pattern disposed on the second barrier layer and overlapping the shielding pattern in a plan view, a gate electrode disposed on the first active pattern, an emission control line disposed on the first active pattern and adjacent to one side of the gate electrode in a plan view, and an upper compensation control line disposed on the emission control line and adjacent to the other side of the gate electrode in a plan view.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: May 6, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyungjun Park, Wonkyu Kwak, Yoon-Jong Cho, Ji-Eun Lee, Jin Jeon, Sungho Kim
  • Patent number: 12232371
    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 9, 2023
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoon-Jong Cho, Seok Je Seong, Seong Jun Lee
  • Publication number: 20250040251
    Abstract: A display panel includes a base layer including a first area and a second area. At least one inorganic layer disposed on the base layer overlaps the first area and the second area. The at least one inorganic layer comprises a lower opening. A first thin-film transistor is disposed on the at least one inorganic layer. The first thin-film transistor includes a silicon semiconductor pattern. A second thin-film transistor is disposed on the at least one inorganic layer. The second thin-film transistor includes an oxide semiconductor pattern. A plurality of insulation layers overlap the first area and the second area. An upper opening extends from the lower opening. A signal line is electrically connected to the second thin-film transistor. An organic layer is disposed in the lower opening and the upper opening. A light emitting element is disposed on the organic layer.
    Type: Application
    Filed: October 11, 2024
    Publication date: January 30, 2025
    Inventors: YOON-JONG CHO, SEOKJE SEONG, SEONGJUN LEE, YOONJEE SHIN, SUYEON YUN, WOOHO JEONG, JOONHOO CHOI
  • Patent number: 12136631
    Abstract: A display panel includes a base layer including a first area and a second area. At least one inorganic layer disposed on the base layer overlaps the first area and the second area. The at least one inorganic layer comprises a lower opening. A first thin-film transistor is disposed on the at least one inorganic layer. The first thin-film transistor includes a silicon semiconductor pattern. A second thin-film transistor is disposed on the at least one inorganic layer. The second thin-film transistor includes an oxide semiconductor pattern. A plurality of insulation layers overlap the first area and the second area. An upper opening extends from the lower opening. A signal line is electrically connected to the second thin-film transistor. An organic layer is disposed in the lower opening and the upper opening. A light emitting element is disposed on the organic layer.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: November 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoon-Jong Cho, Seokje Seong, Seongjun Lee, Yoonjee Shin, Suyeon Yun, Wooho Jeong, Joonhoo Choi
  • Publication number: 20240315101
    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: May 28, 2024
    Publication date: September 19, 2024
    Inventors: Kyunghyun BAEK, Seok Je SEONG, Hyeonsik KIM, Yoonjee SHIN, Jae Hyun LEE, Woo Ho JEONG, Yoon-Jong CHO
  • Patent number: 12022695
    Abstract: A display panel includes a base layer, a first thin film transistor disposed on the base layer and including a silicon semiconductor pattern, a first control electrode is spaced apart from the silicon semiconductor pattern. A first input electrode is connected to a first side of the silicon semiconductor pattern. A first output electrode is connected to a second side of the silicon semiconductor pattern. The display panel includes a second thin film transistor. An organic light emitting diode includes a first electrode connected to the first thin film transistor, a second electrode, and an emission layer. A first insulating layer includes openings exposing the first side and the second side of the silicon semiconductor pattern, respectively. The first input electrode and the first output electrode are positioned in the openings respectively.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoonjee Shin, Kyunghyun Baek, Seokje Seong, Wooho Jeong, Yoon-jong Cho
  • Patent number: 11997900
    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: September 19, 2022
    Date of Patent: May 28, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyunghyun Baek, Seok Je Seong, Hyeonsik Kim, Yoonjee Shin, Jae Hyun Lee, Woo Ho Jeong, Yoon-Jong Cho
  • Patent number: 11997895
    Abstract: A display device includes a substrate, a first lower pattern disposed on the substrate, a second lower pattern disposed in a same layer as the first lower pattern and integrally formed with the first lower pattern, an etch stopper disposed on the second lower pattern, a power voltage line disposed on the first lower pattern, and a transfer pattern disposed on the etch stopper, connected to the power voltage line, and contacting the second lower pattern through a contact hole defined through the etch stopper.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: May 28, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Changho Yi, Sungho Kim, Seokje Seong, Yoon-Jong Cho, Hyeri Cho
  • Publication number: 20240107840
    Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Se Wan SON, Moo Soon KO, Kyung Hyun BAEK, Seok Je SEONG, Jae Hyun LEE, Jeong-Soo LEE, Ji Seon LEE, Yoon-Jong CHO
  • Publication number: 20240088167
    Abstract: A display panel includes a base layer including a first area and a second area. At least one inorganic layer disposed on the base layer overlaps the first area and the second area. The at least one inorganic layer comprises a lower opening. A first thin-film transistor is disposed on the at least one inorganic layer. The first thin-film transistor includes a silicon semiconductor pattern. A second thin-film transistor is disposed on the at least one inorganic layer. The second thin-film transistor includes an oxide semiconductor pattern. A plurality of insulation layers overlap the first area and the second area. An upper opening extends from the lower opening. A signal line is electrically connected to the second thin-film transistor. An organic layer is disposed in the lower opening and the upper opening. A light emitting element is disposed on the organic layer.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Inventors: YOON-JONG CHO, SEOKJE SEONG, SEONGJUN LEE, YOONJEE SHIN, SUYEON YUN, WOOHO JEONG, JOONHOO CHOI
  • Publication number: 20240090279
    Abstract: A display panel includes a first organic film layer, a first barrier layer disposed on first organic film layer, a shielding pattern disposed on the first barrier layer, a second barrier layer covering the shielding pattern and disposed on first barrier layer, a first active pattern disposed on the second barrier layer and overlapping the shielding pattern in a plan view, a gate electrode disposed on the first active pattern, an emission control line disposed on the first active pattern and adjacent to a first side of the gate electrode in the plan view, an upper compensation control line disposed on the emission control line and adjacent to a second side of gate electrode in the plan view, and a second active pattern disposed on the emission control line.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: YOON-JONG CHO, TETSUHIRO TANAKA, YOUNG-IN HWANG