Patents by Inventor CHANGKYU JIN
CHANGKYU JIN 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).
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Publication number: 20250143114Abstract: A display apparatus includes: a substrate; a pixel circuit layer on the substrate; a first conductive layer on the pixel circuit layer, and including a plurality of data lines; a first-1 pixel electrode on the first conductive layer; a second conductive layer between the first conductive layer and the first-1 pixel electrode, and including: a plurality of power lines; and a first-1 shielding portion overlapping with the first-1 pixel electrode in a plan view; and a first-1 light-emitting element on the first-1 pixel electrode. The plurality of power lines and the first-1 shielding portion are integrated with each other.Type: ApplicationFiled: June 11, 2024Publication date: May 1, 2025Inventors: Sunghwan Kim, Heyjin Shin, Daehyun Kim, Changkyu Jin
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Patent number: 12289950Abstract: An organic light-emitting display apparatus includes a substrate having a display area displaying an image and a periphery area. The periphery area is located next to the display area. A first organic insulating layer is disposed on the substrate. The first organic insulating layer includes a valley portion separating the first organic insulating layer from the periphery area. A plurality of organic light-emitting devices is disposed on the substrate. Each of the organic light-emitting devices includes a first electrode, an emission layer, and a second electrode, sequentially disposed over the first organic insulating layer. The second electrode covers the emission layer and the valley portion. A second organic insulating layer is disposed over the first organic insulating layer and incudes a first opening exposing a center portion of the first electrode and a second opening overlapping the valley portion. A capping layer covers the second electrode.Type: GrantFiled: August 29, 2023Date of Patent: April 29, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jieun Lee, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Changkyu Jin
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Patent number: 12279506Abstract: An organic light emitting display device includes: a substrate including pixel areas and a pixel separating area; a plurality of pixels; a plurality of spacers in the pixel separating area and spaced apart from each other; and a touch electrode unit disposed over the plurality of pixels and spacers. The touch electrode unit includes first touch electrodes arranged in a first direction and second touch electrodes arranged in a second direction. The touch electrode unit includes a plurality of touch pattern unit blocks repeatedly arranged. Each touch pattern unit block includes portions of each of neighboring first touch electrodes and portions of each of neighboring second touch electrodes. The spacers of each touch pattern unit block corresponds to a plurality of spacer pattern unit blocks repeatedly arranged. Each spacer pattern unit includes at least one spacer and is smaller than the touch pattern unit block.Type: GrantFiled: December 18, 2023Date of Patent: April 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwangmin Kim, Wonkyu Kwak, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Jieun Lee, Changkyu Jin
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Patent number: 12232383Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.Type: GrantFiled: December 14, 2023Date of Patent: February 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
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Publication number: 20250031534Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.Type: ApplicationFiled: September 29, 2023Publication date: January 23, 2025Inventors: Youngjin CHO, Yangwan KIM, Joong-Soo MOON, Minwoo BYUN, Changkyu JIN
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Patent number: 12108651Abstract: A display apparatus includes a substrate, a display unit, a first wire unit, and a dummy unit. The substrate includes a first area, a second area, and a bending area. The bending area is disposed between a first area and a second area. The display unit is disposed in the first area. The first wire unit is electrically connected to the display unit and includes a plurality of first wires disposed on the substrate over the first area, the bending area, and the second area. The plurality of first wires include a plurality of holes disposed in the bending area and spaced apart from each other by a first pitch. The dummy wire unit includes a plurality of dummy wires disposed in the bending area.Type: GrantFiled: June 12, 2023Date of Patent: October 1, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Changkyu Jin, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Jieun Lee
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Publication number: 20240324366Abstract: A display apparatus includes a pixel electrode in which an emission area is defined, a first horizontal conductive layer extending in a first direction, a first vertical conductive layer extending in a second direction intersecting the first direction, and intersecting the first horizontal conductive layer, a second vertical conductive layer extending in the second direction and intersecting the first horizontal conductive layer, and an insulating layer disposed between the first horizontal conductive layer and the first vertical conductive layer and between the first horizontal conductive layer and the second vertical conductive layer. A first contact hole through which the first vertical conductive layer contacts the first horizontal conductive layer is defined in the insulating layer, and the first contact hole is spaced apart from the emission area.Type: ApplicationFiled: March 21, 2024Publication date: September 26, 2024Applicant: Samsung Display Co., Ltd.Inventors: Sunghwan Kim, Wonkyu Kwak, Daehyun Kim, Heyjin Shin, Changkyu Jin
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Publication number: 20240324326Abstract: A display apparatus includes a substrate including a display area and a peripheral area surrounding the display area, a first silicon-based transistor located on the substrate, and including a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a first oxide-based transistor located on the substrate, and including a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer, and a first gate insulating layer located on the first semiconductor layer and the second semiconductor layer, wherein the first gate electrode and the second gate electrode are located on the first gate insulating layer and are located on substantially a same layer.Type: ApplicationFiled: March 25, 2024Publication date: September 26, 2024Inventors: Sunghwan Kim, Wonkyu Kwak, Joongsoo Moon, Youngjin Cho, Heyjin Shin, Changkyu Jin
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Publication number: 20240324294Abstract: A display apparatus includes a substrate including a display area and a peripheral area, a first semiconductor layer including a driving semiconductor pattern, a first conductive layer disposed on the first semiconductor layer, and including a first capacitor electrode and a second capacitor electrode, a second conductive layer disposed on the first conductive layer, and including a third capacitor electrode overlapping the first capacitor electrode and the second capacitor electrode, a second semiconductor layer disposed on the second conductive layer, and including a first semiconductor pattern overlapping the third capacitor electrode, a third conductive layer disposed on the second semiconductor layer, and including a first electrode pattern overlapping the first semiconductor pattern and the third capacitor electrode, and a fourth conductive layer disposed on the third conductive layer, and including a connection electrode electrically connected to the first semiconductor pattern and the third capacitorType: ApplicationFiled: November 28, 2023Publication date: September 26, 2024Applicant: Samsung Display Co., Ltd.Inventors: Inhyeok Yeo, Kwangmin Kim, Kiwook Kim, Daehyun Kim, Heyjin Shin, Changkyu Jin, Doyeon Hwang
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Publication number: 20240324286Abstract: A display apparatus including a display area and a peripheral area includes: a first thin-film transistor in the peripheral area, and including a silicon semiconductor layer; a second thin-film transistor in the display area, and including an oxide semiconductor layer over the silicon semiconductor layer; and a semiconductor pattern in the display area at the same layer as that of the silicon semiconductor layer of the first thin-film transistor.Type: ApplicationFiled: February 8, 2024Publication date: September 26, 2024Inventors: Daehyun Kim, Sunghwan Kim, Heyjin Shin, Hwansoo Jang, Changkyu Jin, Wonkyu Kwak
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Patent number: 11995277Abstract: A display apparatus includes a substrate including a display region and a non-display region, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer. The display element layer includes display elements provided in the display region in a plan view. The pad group may include output pads provided on substrate and provided in the non-display region in the plan view. The touch electrode layer is provided on the display element layer. The touch insulating layer is provided on the display element layer and contacts the touch electrode layer. An intaglio pattern is provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern is not overlapped with the pad group.Type: GrantFiled: May 23, 2023Date of Patent: May 28, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kiwook Kim, Kyongtae Park, Hyesong Kwun, Dae-won Lee, Donghoon Jeong, Won-kyu Kwak, Kwangmin Kim, Joongsoo Moon, Changkyu Jin, Kyu-sik Cho, Sungho Cho
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Publication number: 20240122013Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.Type: ApplicationFiled: December 14, 2023Publication date: April 11, 2024Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
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Publication number: 20240122027Abstract: An organic light emitting display device includes: a substrate including pixel areas and a pixel separating area; a plurality of pixels; a plurality of spacers in the pixel separating area and spaced apart from each other; and a touch electrode unit disposed over the plurality of pixels and spacers. The touch electrode unit includes first touch electrodes arranged in a first direction and second touch electrodes arranged in a second direction. The touch electrode unit includes a plurality of touch pattern unit blocks repeatedly arranged. Each touch pattern unit block includes portions of each of neighboring first touch electrodes and portions of each of neighboring second touch electrodes. The spacers of each touch pattern unit block corresponds to a plurality of spacer pattern unit blocks repeatedly arranged. Each spacer pattern unit includes at least one spacer and is smaller than the touch pattern unit block.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventors: KWANGMIN KIM, WONKYU KWAK, KIWOOK KIM, DONGSOO KIM, JOONGSOO MOON, HYUNAE PARK, JIEUN LEE, CHANGKYU JIN
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Publication number: 20240105123Abstract: A display apparatus with improved light emission uniformity includes a pixel. The pixel includes a driving thin-film transistor (TFT); a storage capacitor; a driving semiconductor layer; a first electrode layer; a second electrode layer; a pixel electrode; a pixel-defining layer defining a light-emitting region; and a conductive layer interposed between the first electrode layer and the pixel electrode and including an extending portion that at least partially overlaps the light-emitting region in a plane view to pass over a central portion of the light-emitting region.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Inventors: Youngjin Cho, Joongsoo Moon, Minwoo Byun, Yangwan Kim, Changkyu Jin
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Patent number: 11889731Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.Type: GrantFiled: August 1, 2022Date of Patent: January 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
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Patent number: 11875746Abstract: A display apparatus with improved light emission uniformity includes a pixel. The pixel includes a driving thin-film transistor (TFT); a storage capacitor; a driving semiconductor layer; a first electrode layer; a second electrode layer; a pixel electrode; a pixel-defining layer defining a light-emitting region; and a conductive layer interposed between the first electrode layer and the pixel electrode and including an extending portion that at least partially overlaps the light-emitting region in a plane view to pass over a central portion of the light-emitting region.Type: GrantFiled: July 17, 2020Date of Patent: January 16, 2024Assignee: Samsung Display Co., Ltd.Inventors: Youngjin Cho, Joongsoo Moon, Minwoo Byun, Yangwan Kim, Changkyu Jin
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Publication number: 20230413601Abstract: An organic light-emitting display apparatus includes a substrate having a display area displaying an image and a periphery area. The periphery area is located next to the display area. A first organic insulating layer is disposed on the substrate. The first organic insulating layer includes a valley portion separating the first organic insulating layer from the periphery area. A plurality of organic light-emitting devices is disposed on the substrate. Each of the organic light-emitting devices includes a first electrode, an emission layer, and a second electrode, sequentially disposed over the first organic insulating layer. The second electrode covers the emission layer and the valley portion. A second organic insulating layer is disposed over the first organic insulating layer and incudes a first opening exposing a center portion of the first electrode and a second opening overlapping the valley portion. A capping layer covers the second electrode.Type: ApplicationFiled: August 29, 2023Publication date: December 21, 2023Inventors: JIEUN LEE, WONKYU KWAK, KWANGMIN KIM, KIWOOK KIM, DONGSOO KIM, JOONGSOO MOON, HYUNAE PARK, CHANGKYU JIN
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Patent number: 11849621Abstract: An organic light emitting display device includes: a substrate including pixel areas and a pixel separating area; a plurality of pixels; a plurality of spacers in the pixel separating area and spaced apart from each other; and a touch electrode unit disposed over the plurality of pixels and spacers. The touch electrode unit includes first touch electrodes arranged in a first direction and second touch electrodes arranged in a second direction. The touch electrode unit includes a plurality of touch pattern unit blocks repeatedly arranged. Each touch pattern unit block includes portions of each of neighboring first touch electrodes and portions of each of neighboring second touch electrodes. The spacers of each touch pattern unit block corresponds to a plurality of spacer pattern unit blocks repeatedly arranged. Each spacer pattern unit includes at least one spacer and is smaller than the touch pattern unit block.Type: GrantFiled: August 1, 2022Date of Patent: December 19, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwangmin Kim, Wonkyu Kwak, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Jieun Lee, Changkyu Jin
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Publication number: 20230350524Abstract: A display apparatus includes a substrate including a display region and a non-display region, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer. The display element layer includes display elements provided in the display region in a plan view. The pad group may include output pads provided on substrate and provided in the non-display region in the plan view. The touch electrode layer is provided on the display element layer. The touch insulating layer is provided on the display element layer and contacts the touch electrode layer. An intaglio pattern is provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern is not overlapped with the pad group.Type: ApplicationFiled: May 23, 2023Publication date: November 2, 2023Inventors: Kiwook KIM, Kyongtae PARK, Hyesong KWUN, Dae-won LEE, Donghoon JEONG, Won-kyu KWAK, Kwangmin KIM, Joongsoo MOON, Changkyu JIN, Kyu-sik CHO, Sungho CHO
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Patent number: 11805689Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.Type: GrantFiled: March 1, 2023Date of Patent: October 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngjin Cho, Yangwan Kim, Joong-Soo Moon, Minwoo Byun, Changkyu Jin