Patents by Inventor Se Wan Son

Se Wan Son 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: 12586495
    Abstract: A display device includes: a display panel including a display area and a non-display area; a plurality of light emitting elements in the display area; and a current detection device in the non-display area. The current detection device includes a controller, and a current detection circuit to be controlled by the controller. The current detection circuit includes a first driver and a second driver; the first driver includes a first dummy light emitting element corresponding to a first light emitting element to provide light of a first color among the plurality of light emitting elements; and the second driver includes a second dummy light emitting element corresponding to a second light emitting element to provide light of a second color among the plurality of light emitting elements.
    Type: Grant
    Filed: August 12, 2024
    Date of Patent: March 24, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Sung An, Sung Ho Kim, Se Wan Son, Min Woo Woo
  • 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
  • Publication number: 20260033007
    Abstract: A display device includes a display panel including a display area in which a plurality of pixels and a plurality of pixel driving circuits which drive each pixel are formed, and a non-display area in which the pixels are not formed, wherein at least one dummy driving circuit unit is formed on one side of the non-display area in a manner of being substantially the same as the pixel driving circuit.
    Type: Application
    Filed: January 18, 2025
    Publication date: January 29, 2026
    Inventors: Jin Sung AN, Se Wan SON, Sung Ho KIM
  • Publication number: 20250393417
    Abstract: A display device may include a substrate, a lower conductive layer above the substrate, and including a first layer including a first metal, and a second layer below the first layer and including a second metal different from the first metal, the first layer having a tip shape in which the first layer protrudes laterally further than the second layer at an edge of the lower conductive layer, a first insulating pattern above the lower conductive layer, and overlapping the edge of the lower conductive layer, a first insulating layer above the lower conductive layer and the first insulating pattern, and an upper conductive layer overlapping the lower conductive layer with the first insulating layer therebetween to provide a first capacitor.
    Type: Application
    Filed: January 9, 2025
    Publication date: December 25, 2025
    Inventors: Jin Sung AN, Sung Ho KIM, Se Wan SON, Wang Woo LEE
  • 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: 12490590
    Abstract: Provided is a display device. The display device comprises a first active layer disposed on a substrate and made of a first material, a second active layer disposed on the first active layer and made of a second material different from the first material, a first gate layer disposed on the second active layer, and an inorganic pattern disposed below the second active layer and overlapping a portion of the first gate layer. The second active layer includes a conductor portion disposed between a portion of the first gate layer and the inorganic pattern.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: December 2, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Moo Soon Ko, Jin Sung An, Jin Seok Oh, Min Woo Woo, Seong Jun Lee, Wang Woo Lee, Ji Seon Lee
  • Publication number: 20250331367
    Abstract: A display device includes a protection pattern disposed on a pixel electrode and defining a first opening exposing the pixel electrode, a first protruding pattern disposed on the protection pattern and defining a second opening exposing the pixel electrode, a second protruding pattern disposed on the first protruding pattern, defining a third opening exposing the pixel electrode and protruding further toward a center of the pixel electrode than the first protruding pattern, and a common electrode disposed on the second protruding pattern.
    Type: Application
    Filed: February 27, 2025
    Publication date: October 23, 2025
    Inventors: KOHEI EBISUNO, DONGHYEOK LEE, MOOSOON KO, SE WAN SON, YONGHO YANG, KWANHEE LEE, JAESOO JUNG, Yoonah CHOI, YOUNG-IN HWANG
  • Publication number: 20250324853
    Abstract: A display device includes a substrate including a light emitting area and a non-light emitting area, a connection electrode positioned on the substrate, an anode electrode positioned on the connection electrode in a portion overlapping the light emitting area, a cathode electrode on the anode electrode, a pixel defining layer positioned on the connection electrode in a portion overlapping the non-light emitting area and defining a first opening, and a bank structure positioned on the pixel defining layer and including a first bank layer and a second bank layer, wherein the first bank layer is electrically connected to the connection electrode through a bank contact hole.
    Type: Application
    Filed: October 14, 2024
    Publication date: October 16, 2025
    Inventors: Seung Hyun LEE, Min Woo WOO, Sung Ho KIM, Se Wan SON, Jin Sung AN, Wang Woo LEE, Hye Ri CHO
  • Publication number: 20250323229
    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: June 24, 2025
    Publication date: October 16, 2025
    Inventors: Jin Sung AN, Seok Je SEONG, Ji Seon LEE, Se Wan SON
  • Publication number: 20250259576
    Abstract: A display device includes: a display panel including a display area and a non-display area; a plurality of light emitting elements in the display area; and a current detection device in the non-display area. The current detection device includes a controller, and a current detection circuit to be controlled by the controller. The current detection circuit includes a first driver and a second driver; the first driver includes a first dummy light emitting element corresponding to a first light emitting element to provide light of a first color among the plurality of light emitting elements; and the second driver includes a second dummy light emitting element corresponding to a second light emitting element to provide light of a second color among the plurality of light emitting elements.
    Type: Application
    Filed: August 12, 2024
    Publication date: August 14, 2025
    Inventors: Jin Sung AN, Sung Ho KIM, Se Wan SON, Min Woo WOO
  • Patent number: 12355020
    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: August 30, 2023
    Date of Patent: July 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Sung An, Seok Je Seong, Ji Seon Lee, Se Wan Son
  • Patent number: 12302701
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: March 6, 2024
    Date of Patent: May 13, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Patent number: 12279478
    Abstract: A display device includes a substrate that includes a display area and a transmissive area, a first blocking layer that is disposed on the display area of the substrate, and disposed on a first surface of the substrate, a second blocking layer that is disposed in the display area of the substrate, and disposed on a second surface of the substrate opposite to the first surface, an insulation layer that is disposed on the first blocking layer, a transistor that is disposed on the insulation layer, and a light emitting element that is connected to the transistor.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Seock Ma, Moo Soon Ko, Se Wan Son, Jin Goo Jung, Kyung Hyun Choi
  • Publication number: 20250107344
    Abstract: A display panel which includes a base layer, a pixel defining layer on the base layer and that has a light emitting opening, a barrier wall on the pixel defining layer and that has a barrier wall opening that overlaps the light emitting opening, and a light emitting element including an anode, an intermediate layer, and a cathode that makes contact with the barrier wall. The barrier wall opening includes a first inner surface and a third inner surface that extend in a direction parallel to a first direction, a second inner surface and a fourth inner surface that extend in a direction parallel to a second direction crossing the first direction, a first corner region, a second corner region, a third corner region, and a fourth corner region.
    Type: Application
    Filed: July 19, 2024
    Publication date: March 27, 2025
    Inventors: MINWOO WOO, SOKWON NOH, KIHOON PARK, JOONHYOUNG PARK, SE WAN SON, KWANHEE LEE, JONGYOON LEE
  • Publication number: 20250081820
    Abstract: A display panel includes a base layer, a pixel defining film on the base layer and including an inorganic material, a bank layer on the pixel defining film and having a plurality of pixel openings, a plurality of light-emitting elements respectively located in the plurality of pixel openings, each of the plurality of light-emitting elements including an anode, a light-emitting pattern, and a cathode, the cathode being in contact with the bank layer, and a lower encapsulation pattern on the bank layer and including a portion on the bank layer. The lower encapsulation pattern includes a first lower encapsulation pattern on the cathode and the bank layer, the first lower encapsulation pattern including a first material, and a second lower encapsulation pattern on the first lower encapsulation pattern, the second lower encapsulation pattern including a second material different from the first material, and a tip portion.
    Type: Application
    Filed: July 31, 2024
    Publication date: March 6, 2025
    Inventors: JAESOO JUNG, KOHEI EBISUNO, MOOSOON KO, SUNGGEUN BAE, SE WAN SON, SANGHOON OH, MINWOO WOO, KWANHEE LEE, WANGWOO LEE, JISEON LEE
  • Patent number: 12225754
    Abstract: A display device includes: a substrate on which a display area and a transmission area are defined; a metal blocking layer disposed in the display area on the substrate; an inorganic insulation layer disposed on the metal blocking layer; an organic insulation layer disposed on the inorganic insulation layer; a pixel defining layer disposed on the organic insulation layer, where an opening is defined through the pixel defining layer; an emission layer disposed on the organic insulation layer, and in the opening; a planarization layer disposed in the transmission area, on the organic insulation layer; and an encapsulation layer disposed in the display area and the transmission area. The inorganic insulation layer is at least partially removed in the transmission area, the organic insulation layer is disposed in the display area and the transmission area, and the planarization layer contacts a side surface of the pixel defining layer.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nak Cho Choi, Dong Hyun Son, Se Wan Son
  • Patent number: 12217708
    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: December 15, 2023
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Seon Lee, Jin Sung An, Seok Je Seong, Seong Jun Lee, Se Wan Son
  • Publication number: 20250040346
    Abstract: A display panel includes a base layer, a circuit element layer, and a light-emitting element layer. The circuit element layer includes a power electrode, and an auxiliary electrode disposed on a side surface of the power electrode. The light-emitting element layer includes a pixel defining film that defines a pixel opening, a conductive partition wall disposed on the pixel defining film, a lower electrode disposed in the pixel opening, a light-emitting pattern disposed on the lower electrode, and an upper electrode disposed on the light-emitting pattern. The conductive partition wall includes a first conductive layer disposed on the pixel defining film, and a second conductive layer, and a side surface of the second conductive layer more protrudes than a side surface of the first conductive layer. The upper electrode is electrically connected to the power electrode via the auxiliary electrode.
    Type: Application
    Filed: May 30, 2024
    Publication date: January 30, 2025
    Inventors: KWANHEE LEE, KIHOON PARK, KOHEI EBISUNO, JOONHYOUNG PARK, SE WAN SON, SANGHOON OH, JISEON LEE, JAESOO JUNG, HYERI CHO
  • Publication number: 20240372045
    Abstract: A display device includes a substrate including a display area surrounded by a non-display area, a bank structure disposed on the substrate in the display area and including a plurality of openings, a plurality of light emitting elements disposed in the openings, a first dam disposed on the substrate in the non-display area and spaced apart from the bank structure, and a second dam spaced apart from the first dam in the non-display area, wherein the bank structure includes a first bank layer and a second bank layer disposed on the first bank layer, wherein the first dam includes a first sub-dam structure and a second sub-dam structure disposed on the first sub-dam structure, and the second bank layer includes tips protruding from sidewalls of the first bank layer, and the second sub-dam structure includes tips protruding from sidewalls of the first sub-dam structure.
    Type: Application
    Filed: January 24, 2024
    Publication date: November 7, 2024
    Inventors: Kyeong Woo JANG, Se Wan SON, Sung Ho KIM, Min Woo WOO, Seung Hyun LEE, Wang Woo LEE, Ji Seon LEE, Sug Woo JUNG, Hye Ri CHO
  • Publication number: 20240215309
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Application
    Filed: March 6, 2024
    Publication date: June 27, 2024
    Inventors: Se Wan SON, Nak Cho CHOI, Moo Soon KO, Dong Hyun SON, Sang Hoon OH, Jin Goo JUNG, Kyung Hyun CHOI, Hae-Yeon LEE, Seong Min CHO