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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Patent number: 11276839Abstract: 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 13, 2020Date of Patent: March 15, 2022Assignee: 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: 11251254Abstract: A display apparatus includes a substrate having a first area, a second area, and a bending area disposed therebetween. The substrate is bent at the bending area about a bending axis. An inorganic insulating layer is disposed over the substrate and includes an opening or groove corresponding to the bending area. An organic material layer fills the opening or groove. A first conductive layer extends from the first area to the second area through the bending area. The first conductive layer is disposed over the organic material layer and includes a multipath portion having a plurality of through holes. A length of the multipath portion, in a direction from the first area to the second area, is greater than a width of the opening or groove, in the direction from the first area to the second area.Type: GrantFiled: October 1, 2019Date of Patent: February 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongsoo Kim, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Joongsoo Moon, Hyunae Park, Jieun Lee, Changkyu Jin
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Publication number: 20210327974Abstract: 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: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventors: Changkyu JIN, Wonkyu KWAK, Kwangmin KIM, Kiwook KIM, Dongsoo KIM, Joongsoo MOON, Hyunae PARK, Jieun LEE
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Publication number: 20210313413Abstract: 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: May 10, 2021Publication date: October 7, 2021Inventors: Youngjin CHO, Yangwan KIM, Joong-Soo MOON, Minwoo BYUN, Changkyu JIN
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Publication number: 20210257441Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area, the first power source line including a first layer and a second layer electrically connected to each other, a first gate pattern disposed between the first layer of the substrate and including a first gate fan-out line in the peripheral area and a first gate connecting line connected to the first gate fan-out line and extending between the first gate fan-out line and the display area, a first insulation layer disposed between the first layer and the second layer of the first power source line, a second insulation layer disposed between the first insulation layer and the second layer, and a first insulating dam disposed on and contacting the second layer, the first insulating dam disposed in the peripheral area and surrounding the display area.Type: ApplicationFiled: May 4, 2021Publication date: August 19, 2021Inventors: Youngjin CHO, Joong-Soo MOON, Cheol-Gon LEE, Yang Wan KIM, Changkyu JIN
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Patent number: 11094771Abstract: A display device includes a substrate including a pixel area and a peripheral area, a plurality of pixels disposed in the pixel area of the substrate, a first initialization line disposed in the peripheral area of the substrate, the first initialization line being configured to provide a first initialization voltage to the plurality of pixels, and a second initialization line disposed in the peripheral area of the substrate, the second initialization line being configured to provide a second initialization voltage to the plurality of pixels. At least a portion of the first initialization line may overlap with the second initialization line.Type: GrantFiled: December 2, 2019Date of Patent: August 17, 2021Assignee: Samsung Display Co., Ltd.Inventors: Youngjin Cho, Joong-Soo Moon, Changkyu Jin, Yangwan Kim
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Publication number: 20210240301Abstract: 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: April 26, 2021Publication date: August 5, 2021Inventors: 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: 11056545Abstract: 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: May 26, 2020Date of Patent: July 6, 2021Assignee: 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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Patent number: 11018212Abstract: 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: July 2, 2019Date of Patent: May 25, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngjin Cho, Yangwan Kim, Joong-Soo Moon, Minwoo Byun, Changkyu Jin
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Patent number: 11004927Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area configured to display image, the first power source line including a first layer and a second layer disposed on the first layer and electrically connected to the first layer, a first insulation layer disposed between the first layer and the second layer of the first power source line, and a first insulating dam disposed on and contacting the second layer of the first power source line, the first insulating dam disposed in the peripheral area and surrounding the display area.Type: GrantFiled: April 10, 2019Date of Patent: May 11, 2021Assignee: Samsung Display Co., Ltd.Inventors: Youngjin Cho, Joong-Soo Moon, Cheol-Gon Lee, Yang Wan Kim, Changkyu Jin
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Patent number: 10990233Abstract: 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: April 3, 2020Date of Patent: April 27, 2021Assignee: 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: 20210057513Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first area to a third area, an interlayer insulating layer covering the wirings and having a first uneven upper surface corresponding to the wirings, a first conductive layer over the interlayer insulating layer and including a second uneven upper surface corresponding to the first uneven upper surface, a planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a reflection reduction layer on the second conductive layer.Type: ApplicationFiled: November 5, 2020Publication date: February 25, 2021Applicant: Samsung Display Co., Ltd.Inventors: Joongsoo MOON, Kwangmin KIM, Yangwan KIM, Cheolgon LEE, Youngjin CHO, Changkyu JIN
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Publication number: 20210013294Abstract: 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: September 28, 2020Publication date: January 14, 2021Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
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Patent number: 10861925Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first through third areas, an interval between the wirings in the second area is greater than an interval between the wirings in each of the first and third areas, an insulating layer covering the wirings and having a first uneven surface corresponding to the wirings, a first conductive layer over the insulating layer and including a second uneven surface corresponding to the first uneven surface, a flat planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a polarization plate on the second conductive layer.Type: GrantFiled: January 31, 2019Date of Patent: December 8, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joongsoo Moon, Kwangmin Kim, Yangwan Kim, Cheolgon Lee, Youngjin Cho, Changkyu Jin
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Publication number: 20200373518Abstract: 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 13, 2020Publication date: November 26, 2020Inventors: JIEUN LEE, Wonkyu KWAK, KWANGMIN KIM, KIWOOK KIM, DONGSOO KIM, JOONGSOO MOON, HYUNAE PARK, CHANGKYU JIN
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Patent number: 10847597Abstract: A display device including a first data line and a second data line extending along a first direction, a first transistor connected to the first data line, a second transistor connected to the first transistor, a third transistor electrically connected to the second transistor, a connecting line disposed between the first data line and the second data line, the connecting line connecting the second transistor to the third transistor, and a driving voltage line disposed on the connecting line, the driving voltage line extending between the first data line and the connecting line.Type: GrantFiled: August 2, 2018Date of Patent: November 24, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kiwook Kim, Kwang-Min Kim, Joong-Soo Moon, Changkyu Jin
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Publication number: 20200349891Abstract: 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: July 17, 2020Publication date: November 5, 2020Inventors: Youngjin Cho, Joongsoo Moon, Minwoo Byun, Yangwan Kim, Changkyu Jin
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Publication number: 20200321404Abstract: 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: June 22, 2020Publication date: October 8, 2020Inventors: KWANGMIN KIM, WONKYU KWAK, KIWOOK KIM, DONGSOO KIM, JOONGSOO MOON, HYUNAE PARK, JIEUN LEE, CHANGKYU JIN
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Patent number: 10790350Abstract: 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: January 30, 2020Date of Patent: September 29, 2020Assignee: 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: 20200295098Abstract: 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: ApplicationFiled: May 26, 2020Publication date: September 17, 2020Inventors: Changkyu Jin, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Joongsoo Moon, Hyunae Park, Jieun Lee