Patents by Inventor Yang Wan Kim
Yang Wan Kim 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: 20230215371Abstract: 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: March 9, 2023Publication date: July 6, 2023Inventors: Ji Su NA, Joong-Soo MOON, Chae Han HYUN, Yang Wan KIM
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Patent number: 11694614Abstract: A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.Type: GrantFiled: September 13, 2021Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
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Publication number: 20230206847Abstract: 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: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Applicant: Samsung Display Co., LTD.Inventors: Ji Su NA, Yang Wan KIM, Jung Hun YI, Min Woo BYUN
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Publication number: 20230178025Abstract: 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: January 27, 2023Publication date: June 8, 2023Applicant: Samsung Display Co., Ltd.Inventors: Hyung Jun PARK, Yang Wan KIM, Byung Sun KIM, Su Jin LEE, Jae Yong LEE
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Publication number: 20230172020Abstract: 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: ApplicationFiled: January 24, 2023Publication date: June 1, 2023Inventors: Hyun Ae Park, Sun-Ja Kwon, Byung Sun Kim, Yang Wan Kim, Su Jin Lee, Jae Yong Lee
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Patent number: 11621315Abstract: Disclosed is a display device, including: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area as a plurality of pixel rows and a plurality of pixel columns; data lines configured to provide a data signal; scan lines configured to provide a scan signal; first power lines configured to provide a power source to the pixel columns; and a second power line connected to the first power lines and disposed in the peripheral area. A scan line connected to an ith pixel row may apply a scan signal to the ith pixel row, and a branched line branched from the scan line may apply an initialization signal to a kth pixel row (k?i). A branched point of the scan line is disposed between a pixel most adjacent to the second power line of the ith pixel row and the second power line.Type: GrantFiled: September 27, 2021Date of Patent: April 4, 2023Inventors: Yang Wan Kim, Jae Yong Lee, Sun Ja Kwon, Hyun Ae Park, Byung Sun Kim, Su Jin Lee, Hyung Jun Park, Yu Jin Jeon
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Patent number: 11616112Abstract: 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: November 18, 2020Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Young Jin Cho, Joong-Soo Moon, Yang Wan Kim, Soon Jung Wang
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Patent number: 11610546Abstract: 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: November 12, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Su Na, Joong-Soo Moon, Chae Han Hyun, Yang Wan Kim
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Patent number: 11600228Abstract: 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: February 15, 2022Date of Patent: March 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Su Na, Yang Wan Kim, Jung Hun Yi, Min Woo Byun
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Publication number: 20230031335Abstract: 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: ApplicationFiled: October 17, 2022Publication date: February 2, 2023Inventors: Ki Wook Kim, Kwang Min Kim, Yang Wan Kim, Ji Su Na, Min Woo Byun
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Publication number: 20230032883Abstract: A display device includes a pixel having a first transistor connected between first and second nodes to generate a driving current; an emission driver that supplies an emission control signal including an off-duty corresponding to first and second gate-off periods to an emission control line during a frame period; a scan driver that supplies first to fourth scan signals to the first to fourth scan lines in a first non-emission period, respectively, and that supplies the first scan signal to the first scan line in a second non-emission period; a data driver that supplies a data signal to the data line; and a controller adjusting the off-duty of the emission control signal that is a width of each of the first and second non-emission periods in response to a dimming signal, and that controls a timing at which the first scan signal is supplied in the second non-emission period.Type: ApplicationFiled: July 8, 2022Publication date: February 2, 2023Inventors: Kyoung Jin PARK, Yang Wan Kim
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Patent number: 11568817Abstract: 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: GrantFiled: March 11, 2022Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
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Publication number: 20230023507Abstract: A display device includes a substrate including a first pixel area and a second pixel area, wherein the second pixel area is located at a side of the first pixel area, first pixels located in the first pixel area and connected to first scan lines, and second pixels located in the second pixel area and connected to second scan lines, wherein the first pixels and the second pixels include pixel rows extending in a first direction, and at least one of the second scan lines is inclined with respect to the first direction.Type: ApplicationFiled: September 30, 2022Publication date: January 26, 2023Inventors: Byung Sun Kim, Sun Ja Kwon, Yang Wan Kim, Hyun Ae Park, Su Jin Lee, Jae Yong Lee
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Patent number: 11563075Abstract: 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 1, 2020Date of Patent: January 24, 2023Assignee: 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: 11526042Abstract: A flexible display panel includes a flexible substrate including a first region including a display region and having a curved display surface, and a plurality of non-display regions that is located outside the display region and including a second region located outside the first region and folded in a direction different from a display direction of the first region, and an encapsulation member for encapsulating the display region along the curved display surface.Type: GrantFiled: July 26, 2021Date of Patent: December 13, 2022Assignee: Samsung Display Co., Ltd.Inventors: Dong-Un Jin, Woo-Jong Lee, Yang-Wan Kim, Young-Sik Kim, Jun-Sang Lyu, Sang-Min Kim
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Patent number: 11521544Abstract: A display device includes: a display panel including pixels connected to compensation gate lines, and a compensation gate driver which supplies compensation gate signals to the display panel. The compensation gate driver includes: a first compensation gate driver which generates the compensation gate signals based on a first-first clock signal and a second-first clock signal and a second compensation gate driver which generates the compensation gate signals based on a first-second clock signal and a second-second clock signal. The first-first clock signal and the second-first clock signal have the same waveform as the first-second clock signal and the second-second clock signal, respectively, during a scan period in which a compensation gate signal is supplied to the display panel, and have different waveforms from the first-second clock signal and the second-second clock signal, respectively, during a blank period in which the compensation gate signal is not supplied to the display panel.Type: GrantFiled: March 17, 2022Date of Patent: December 6, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Won Park, Yang Wan Kim
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Patent number: 11501714Abstract: 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: GrantFiled: July 31, 2020Date of Patent: November 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
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Publication number: 20220352293Abstract: 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: July 7, 2022Publication date: November 3, 2022Inventors: YANG WAN KIM, BYUNG SUN KIM, JAE YONG LEE, CHUNG YI, HYUNG JUN PARK, SU JIN LEE
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Patent number: 11482173Abstract: 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: December 3, 2021Date of Patent: October 25, 2022Inventors: Ki Wook Kim, Kwang Min Kim, Yang Wan Kim, Ji Su Na, Min Woo Byun
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Patent number: 11482176Abstract: A display device includes a substrate including a first pixel area and a second pixel area, wherein the second pixel area is located at a side of the first pixel area, first pixels located in the first pixel area and connected to first scan lines, and second pixels located in the second pixel area and connected to second scan lines, wherein the first pixels and the second pixels include pixel rows extending in a first direction, and at least one of the second scan lines is inclined with respect to the first direction.Type: GrantFiled: January 16, 2017Date of Patent: October 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Sun Kim, Sun Ja Kwon, Yang Wan Kim, Hyun Ae Park, Su Jin Lee, Jae Yong Lee