Patents by Inventor Yang Wan
Yang Wan 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: 12293711Abstract: Provided are a display device. The display device comprises: a display unit defined by a display area and a non-display area located outside the display area, and including pixels arranged in the display area, first sensing wirings electrically connected to the pixels, and auxiliary voltage wirings electrically separated from the pixels; and a sensing unit electrically connected to the first sensing wirings, wherein the first sensing wirings and the auxiliary voltage wirings extend in a first direction and are sequentially arranged along a second direction perpendicular to the first direction at first intervals, the first sensing wirings are spaced apart from each other along the second direction at second intervals greater than the first intervals and are electrically separated from each other, and the auxiliary voltage wirings are electrically connected to each other.Type: GrantFiled: October 17, 2022Date of Patent: May 6, 2025Assignee: Samsung Display Co., Ltd.Inventors: Ki Wook Kim, Kwang Min Kim, Yang Wan Kim, Ji Su Na, Min Woo Byun
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Publication number: 20250118262Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.Type: ApplicationFiled: December 16, 2024Publication date: April 10, 2025Inventors: Ji Su NA, Joong-Soo MOON, Chae Han HYUN, Yang Wan KIM
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Patent number: 12254803Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.Type: GrantFiled: July 6, 2023Date of Patent: March 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hoon Kwon, Ji Hyun Ka, Byung Sun Kim, Yang Wan Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
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Patent number: 12245472Abstract: A display device includes: a central area having a display area on a substrate; and a peripheral area around the central area; a plurality of pads arranged along one direction in the central area; a plurality of insulating patterns adjacent the plurality of pads; and a slit between the plurality of insulating patterns in the peripheral area, wherein the slit is formed by removing at least a portion of an insulating material of the plurality of insulating patterns.Type: GrantFiled: June 1, 2021Date of Patent: March 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: Yang-Wan Kim, Won-Kyu Kwak
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Patent number: 12238996Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area. The peripheral area includes a bending region and a contact region adjacent to the bending region. A first connection line includes a first portion disposed in the contact region, and a second portion disposed in both the bending region and the contact region, and including a first layer and a second layer. At least part of the second layer of the second portion overlaps the first layer of the second portion. In the contact region, the first layer of the second portion is electrically connected to the first portion, and the second layer of the second portion is electrically connected to the first layer of the second portion.Type: GrantFiled: December 8, 2023Date of Patent: February 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Ae Park, Sun-Ja Kwon, Byung Sun Kim, Yang Wan Kim, Su Jin Lee, Jae Yong Lee
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Patent number: 12217692Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.Type: GrantFiled: March 9, 2023Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Su Na, Joong-Soo Moon, Chae Han Hyun, Yang Wan Kim
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Publication number: 20250006120Abstract: A display device includes: a plurality of data lines extending in a first direction, and first to third pixels connected to the plurality of data lines. The first pixel includes a first pixel electrode overlapping the plurality of data lines in a plan view in a thickness direction. The second pixel includes a second pixel electrode spaced apart from the plurality of data lines in the plan view in the thickness direction. The third pixel includes a third pixel electrode overlapping the plurality of data lines in the plan view in the thickness direction.Type: ApplicationFiled: September 16, 2024Publication date: January 2, 2025Inventors: Ki Wook KIM, Yang Wan KIM, Ji Su NA, Joong Soo MOON, Kyoung Jin PARK, Myeong Hee SEO, Seon I JEONG, Chang Kyu JIN
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Publication number: 20240431169Abstract: A display apparatus includes: a base substrate including a display area and a non-display area adjacent to the display area; a first power supply wire in the non-display area, a first power supply voltage being applied to the first power supply wire; a second power supply wire in the non-display area and spaced apart from the first power supply wire, a second power supply voltage being applied to the second power supply wire; and a dam overlapping the first power supply wire and the second power supply wire, having a first height on the first power supply wire, and having a second height greater than the first height between the first power supply wire and the second power supply wire.Type: ApplicationFiled: September 9, 2024Publication date: December 26, 2024Inventors: Young Jin CHO, Joong-Soo MOON, Yang Wan KIM, Soon Jung WANG
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Patent number: 12125433Abstract: A display device includes: a plurality of data lines extending in a first direction, and first to third pixels connected to the plurality of data lines. The first pixel includes a first pixel electrode overlapping the plurality of data lines in a plan view in a thickness direction. The second pixel includes a second pixel electrode spaced apart from the plurality of data lines in the plan view in the thickness direction. The third pixel includes a third pixel electrode overlapping the plurality of data lines in the plan view in the thickness direction.Type: GrantFiled: October 6, 2021Date of Patent: October 22, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Wook Kim, Yang Wan Kim, Ji Su Na, Joong Soo Moon, Kyoung Jin Park, Myeong Hee Seo, Seon I Jeong, Chang Kyu Jin
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Publication number: 20240349555Abstract: Provided is a display device which comprises a substrate, a plurality of pixels disposed on the substrate, a first initialization voltage line disposed on the substrate along a first direction, and a second initialization voltage line disposed on a different layer from the first initialization voltage line, wherein the second initialization voltage line may include a horizontal portion disposed along the first direction and a vertical portion disposed along a second direction crossing the first direction, and the vertical portion may be disposed between a plurality of pixels adjacent to each other in the first direction.Type: ApplicationFiled: June 21, 2024Publication date: October 17, 2024Inventors: Ji Su NA, Won Kyu KWAK, Yang Wan KIM, Young Jin CHO
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Patent number: 12089462Abstract: A display apparatus includes: a base substrate including a display area and a non-display area adjacent to the display area; a first power supply wire in the non-display area, a first power supply voltage being applied to the first power supply wire; a second power supply wire in the non-display area and spaced apart from the first power supply wire, a second power supply voltage being applied to the second power supply wire; and a dam overlapping the first power supply wire and the second power supply wire, having a first height on the first power supply wire, and having a second height greater than the first height between the first power supply wire and the second power supply wire.Type: GrantFiled: March 27, 2023Date of Patent: September 10, 2024Assignee: Samsung Display Co., Ltd.Inventors: Young Jin Cho, Joong-Soo Moon, Yang Wan Kim, Soon Jung Wang
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Patent number: 12058904Abstract: Provided is a display device which comprises a substrate, a plurality of pixels disposed on the substrate, a first initialization voltage line disposed on the substrate along a first direction, and a second initialization voltage line disposed on a different layer from the first initialization voltage line, wherein the second initialization voltage line may include a horizontal portion disposed along the first direction and a vertical portion disposed along a second direction crossing the first direction, and the vertical portion may be disposed between a plurality of pixels adjacent to each other in the first direction.Type: GrantFiled: May 20, 2021Date of Patent: August 6, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ji Su Na, Won Kyu Kwak, Yang Wan Kim, Young Jin Cho
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Publication number: 20240251620Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.Type: ApplicationFiled: March 29, 2024Publication date: July 25, 2024Inventors: Yang Wan Kim, Byung Sun Kim, Jae Yong Lee, Chung Yi, Hyung Jun Park, Su Jin Lee
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Publication number: 20240212621Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.Type: ApplicationFiled: March 11, 2024Publication date: June 27, 2024Applicant: Samsung Display Co., Ltd.Inventors: Hyung Jun PARK, Yang Wan KIM, Byung Sun KIM, Su Jin LEE, Jae Yong LEE
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Patent number: 12010882Abstract: A display device includes a signal line extending in a first direction, a first transistor configured to control a driving current, a light-emitting element electrically coupled to a second electrode of the first transistor, a second transistor electrically coupled to a first electrode of the first transistor and configured to transfer a data voltage, a first scan line electrically coupled to a gate electrode of the second transistor and extending in the first direction, a third transistor including a first electrode electrically coupled to the second electrode of the first transistor and a second electrode electrically coupled to a gate electrode of the first transistor and a second scan line electrically coupled to a gate electrode of the third transistor and extending in the first direction, wherein the second scan line overlaps one selected from among the signal line and the first scan line.Type: GrantFiled: June 30, 2020Date of Patent: June 11, 2024Assignee: Samsung Display Co., Ltd.Inventors: Young Jin Cho, Ji Su Na, Joong Soo Moon, Yang Wan Kim, Chang Kyu Jin
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Publication number: 20240179976Abstract: A display device includes a substrate having a pixel area and a peripheral area, a plurality of pixels disposed on the substrate in the pixel area, a plurality of data lines that supply a plurality of data signals to the pixels, a plurality of scan lines that supply a plurality of scan signals to the pixels, a plurality of power supply lines that supply a first voltage to the pixels, and first through third insulating layers. The first insulating layer is disposed on the substrate, the second insulating layer is disposed on the first insulating layer, and the third insulating layer is disposed on the second insulating layer. The scan lines are disposed below the third insulating layer on the substrate in the pixel area, and are disposed on the third insulating layer in the peripheral area.Type: ApplicationFiled: February 6, 2024Publication date: May 30, 2024Inventors: BYUNG SUN KIM, SUN JA KWON, YANG WAN KIM, HYUN AE PARK, SU JIN LEE, JAE YONG LEE
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Patent number: 11990093Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.Type: GrantFiled: March 6, 2023Date of Patent: May 21, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Su Na, Yang Wan Kim, Jung Hun Yi, Min Woo Byun
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Patent number: 11963410Abstract: A display device includes a substrate including a pixel region and a peripheral region. A plurality of pixels is disposed in the pixel region of the substrate. Each of the plurality of pixels includes a light emitting element. Data lines and scan lines are connected to each of the plurality of pixels. A power line is configured to supply power to the plurality of pixels. The power line includes a plurality of first conductive lines and a plurality of second conductive lines intersecting the plurality of first conductive lines. The plurality of second conductive lines is arranged in a region between adjacent light emitting elements of the plurality of pixels. At least some of the plurality of second conductive lines extend in a direction oblique to a direction of extension of the data lines or the scan lines.Type: GrantFiled: June 13, 2022Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yang Wan Kim, Byung Sun Kim, Jae Yong Lee, Chung Yi, Hyung Jun Park, Su Jin Lee
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Patent number: 11957005Abstract: A display device includes: a substrate; scan lines extending in a first direction, and arranged along a second direction crossing the first direction on the substrate; data lines extending in the second direction, and arranged along the first direction on the substrate; a display area including pixels connected to the scan lines and the data lines; and a non-display area around the display area, and including compensation capacitors connected to some scan lines from among the scan lines. A sum of a capacitance of q odd scan lines or q even scan lines that are adjacent to each other from among the scan lines increases in the second direction, where q is a positive integer.Type: GrantFiled: July 23, 2020Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seo Won Choe, Ki Wook Kim, Yang Wan Kim, Hyun Woong Kim, Eun Byul Jo
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Patent number: D1023994Type: GrantFiled: April 27, 2022Date of Patent: April 23, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yang Wan, Ting Xu, Qingmeng Li, Po Ming Wong, Jingwei Tang, Yaqiong Yong, Yanxiang Xu, Fei Wang, Zedong Zeng