Patents by Inventor Do-Yeong Park
Do-Yeong Park 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: 12279481Abstract: A display device includes a first electrode and a second electrode extending in a first direction and spaced apart from each other in a second direction, a first insulating layer disposed on the first electrode and the second electrode, a bank layer disposed on the first insulating layer and comprising an outer bank part extending in the first direction and the second direction and inner bank parts extending in the first direction in an area surrounded by the outer bank part, a second insulating layer disposed on the inner bank parts and the first insulating layer, and light emitting elements disposed on the second insulating layer between the inner bank parts, wherein each of the inner bank parts is connected to a part of the outer bank part extending in the second direction.Type: GrantFiled: October 13, 2021Date of Patent: April 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: No Kyung Park, Hyun Kim, Do Yeong Park, Jeong Su Park, Myeong Hun Song, Jeong Kook Wang, Jong Chan Lee
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Publication number: 20250120259Abstract: There are provided a sub-pixel and a display device including the same, which can increase the capacitance of a capacitor. The sub-pixel may include a first capacitor including a first electrode connected to a first power line and a second electrode connected to a second node. The second electrode may be directly connected to a semiconductor layer of a first transistor, a semiconductor layer of a third transistor, and a semiconductor layer of a fourth transistor.Type: ApplicationFiled: June 27, 2024Publication date: April 10, 2025Inventors: Sung Chul HONG, Kyung Bae KIM, Do Yeong PARK
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Patent number: 12272288Abstract: A display device includes: a base layer; a pixel circuit layer on the base layer, the pixel circuit layer including lower lines, the pixel circuit layer having a line-free area in which the lower lines are not present; and a light-emitting-element layer on the pixel circuit layer, the light-emitting-element layer including electrodes and a light emitting element on the electrodes, the light-emitting-element layer having an electrode-free area in which the electrodes are not present. The line-free area overlaps the electrode-free area in a plan view.Type: GrantFiled: October 13, 2023Date of Patent: April 8, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sung Chul Hong, Do Yeong Park, Ki Hyun Pyo
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Publication number: 20250107240Abstract: A display device includes a pixel component including scan lines, data lines, and pixels electrically connected to the scan lines and the data lines, and defining pixel columns and pixel rows, a data driver disposed on a side of the pixel component, and a scan driver disposed on the side of the pixel component. The pixel component includes sub-scan lines, and dummy lines. Each scan line may be electrically connected to the sub-scan lines by contacts. The contacts are divided into contact groups having a same arrangement. The pixel component is divided into pixel blocks corresponding to the contact groups. Each pixel block includes first and second area divided by contact group. The first area is closer to the scan driver than the second area. The pixel component further includes supplementary power lines spaced apart from the respective sub-scan lines.Type: ApplicationFiled: December 11, 2024Publication date: March 27, 2025Applicant: Samsung Display Co., Ltd.Inventors: Do Yeong PARK, Kyung Bae KIM, Jong Woong CHANG
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Publication number: 20250098413Abstract: A display device including: a first pixel including a first light emitting area at which first light emitting elements are located; a second pixel spaced from the first light emitting area in a second direction and including a second light emitting area at which second light emitting elements are located; and a bank partitioning the first light emitting area and the second light emitting area, wherein the first pixel includes first to third alignment electrodes overlapping the first light emitting area and are sequentially located and spaced from each other in a first direction; and fourth to sixth alignment electrodes that are spaced from the first to third alignment electrodes in the second direction, and are sequentially located and spaced from each other in the first direction, and the fourth to sixth alignment electrodes extend in the second direction in the first light emitting area.Type: ApplicationFiled: September 16, 2024Publication date: March 20, 2025Inventor: Do Yeong PARK
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Publication number: 20250056990Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of reducing or minimizing or reducing a dead space area. According to one or more embodiments of the present disclosure, a display device including: a substrate having a display area and a non-display area; a signal transmission line including a signal line in the display area of the substrate and a fan-out line extending from the signal line and in the non-display area of the substrate; and a plurality of pixels in the display area of the substrate, wherein a plurality of signal transmission lines include the signal transmission line and are respectively connected to the plurality of pixels, and the plurality of signal transmission lines are on different layers on the substrate.Type: ApplicationFiled: July 30, 2024Publication date: February 13, 2025Inventors: Yong Hee LEE, Kyung Bae KIM, Do Yeong PARK, Ji Hye LEE
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Publication number: 20250048883Abstract: A pixel is disclosed that includes: a substrate; a pixel circuit disposed on the substrate and including at least one transistor and at least one capacitor; a first contact metal disposed on the substrate and to which a constant voltage is applied; an inorganic layer covering the first contact metal; a first pixel electrode disposed on the inorganic layer and electrically connected to the pixel circuit; a pixel defining film disposed on the first pixel electrode; a second contact metal disposed on the pixel defining film and electrically connected to the first contact metal; a separator disposed on the second contact metal; an organic light emitting portion disposed on the first pixel electrode; and a second pixel electrode disposed on the organic light emitting portion and connected to the second contact metal.Type: ApplicationFiled: April 23, 2024Publication date: February 6, 2025Inventors: Kyung Bae KIM, Jin Seon KWAK, Do Yeong PARK, Ji Hye LEE
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Publication number: 20250048884Abstract: The present disclosure relates to a display device, and more particularly, to a display device in which lateral leakage current between adjacent pixels can be reduced so that color mixing between the adjacent pixels can be prevented. According to an embodiment of the disclosure, a substrate, a first pixel electrode and a second pixel electrode disposed on the substrate, a first light-providing layer disposed on the first pixel electrode, a second light-providing layer disposed on the second pixel electrode, a common electrode disposed on the first light-providing layer and the second light-providing layer, and a current capture layer disposed between the first pixel electrode and the second pixel electrode in a plan view.Type: ApplicationFiled: May 10, 2024Publication date: February 6, 2025Inventors: Won Jun LEE, Dong Woo KIM, Kyeong Min PARK, Do Yeong PARK, Jin Joo HA
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Publication number: 20250048885Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of making resonance distances different from each other according to a wavelength of light to be emitted from each pixel while simplifying process steps, a manufacturing method of the display device, and an optical device including the display device. A display device comprises: a substrate; a bank disposed on the substrate and defining a plurality of emission areas; a plurality of pixel electrodes disposed in the plurality of emission areas; and at least one stepped electrode disposed between a pixel electrode of at least one emission area and the substrate. In the respective emission areas, the numbers of stepped electrodes between the respective pixel electrodes and the substrate are different from each other.Type: ApplicationFiled: June 12, 2024Publication date: February 6, 2025Inventors: Kyung Bae KIM, Do Yeong PARK, Yong Hee LEE, Ji Hye LEE
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Publication number: 20250040249Abstract: A pixel circuit layer of a display device is on a base layer and includes conductive patterns configuring at least one of a transistor, a capacitor, or a signal line. A first electrode and a second electrode are on the pixel circuit layer and are spaced from each other. A bank is on the first electrode and the second electrode and includes an opening. Light emitting elements are between the first electrode and the second electrode in the opening of the bank. In the opening of the bank, a space between the first electrode and the second electrode that are spaced from each other by a distance corresponding to a length of the light emitting elements is defined as a lane in which the light emitting elements are located. In a plan view, the lane does not overlap conductive patterns of the pixel circuit layer.Type: ApplicationFiled: July 16, 2024Publication date: January 30, 2025Inventors: Do Yeong PARK, Kyung Bae KIM, Ki Hyun PYO, Sung Chul HONG
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Publication number: 20250024712Abstract: A display device that may include a substrate, a driving element layer disposed on the substrate, and a light emitting element layer disposed on the driving element layer. The light emitting element layer may include a pixel defining layer including a plurality of openings defining a corresponding plurality of pixels, a first electrode disposed in each of the pixels and including a first portion covered by the pixel defining layer and a second portion extending from the first portion and corresponding to one of the openings of each of the pixels,, an intermediate layer covering the second portion of the first electrode in the openings of each of the pixels, covering the pixel defining layer between neighboring pixels, and including an electrically disconnected portion corresponding to the heating wiring.Type: ApplicationFiled: February 29, 2024Publication date: January 16, 2025Applicant: Samsung Display Co., LTD.Inventors: Ki Hyun PYO, Kyung Bae KIM, Do Yeong PARK
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Publication number: 20250024727Abstract: A display device includes: sub-pixels on a base layer, each of the sub-pixels including a light emitting element including: a first electrode; a second electrode; and a light emitting structure electrically connected between the first electrode and the second electrode; and a separator protruding in a thickness direction of the base layer between the sub-pixels, and including separator structures spaced from each other in a plan view to define a separation area. The separation area includes one or more bending areas between the sub-pixels.Type: ApplicationFiled: April 3, 2024Publication date: January 16, 2025Inventors: Do Yeong PARK, Kyung Bae KIM, Dong Woo KIM
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Publication number: 20250015244Abstract: A display device may include: a substrate including a display area and a non-display area, the non-display area including a pad area; a transistor and a conductive pattern on the substrate in the display area; a via layer on the transistor and the conductive pattern to cover the transistor and the conductive pattern; a first alignment electrode and a second alignment electrode on the via layer; a light emitting element between the first and second alignment electrodes; a first electrode and a second electrode that are spaced from each other, and electrically connected to the light emitting element; a plurality of pads on the substrate in the pad area; and a dummy pattern on the substrate in the pad area, and spaced from the plurality of pads. The via layer and the dummy pattern may include a same material.Type: ApplicationFiled: July 3, 2024Publication date: January 9, 2025Inventors: Jin Seon KWAK, Kyung Bae KIM, Do Yeong PARK, Yong Hee LEE
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Publication number: 20250008774Abstract: The present disclosure relates to a display device capable of increasing the capacitance of a capacitor and improving image quality. The display device may include a first data line, a first pixel connected to the first data line, and including a driving transistor, and a first capacitor between a gate electrode of the driving transistor and the first data line.Type: ApplicationFiled: March 27, 2024Publication date: January 2, 2025Inventors: Do Yeong PARK, Kyung Bae KIM, Yong Hee LEE
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Patent number: 12183725Abstract: A display device according to an embodiment of the present disclosure includes a first pixel including a first sub-emission area and a second sub-emission area that are spaced from each other, and first light-emitting elements in the first and second sub-emission areas, the first light-emitting elements being configured to emit light having a first color; a light blocking pattern on the first pixel to cover an area between the first sub-emission area and the second sub-emission area and including a plurality of openings respectively corresponding to the first and second sub-emission areas; and a first color filter including a plurality of first color filter patterns disposed on the first and second sub-emission areas.Type: GrantFiled: June 22, 2021Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Do Yeong Park, Kyung Bae Kim, Mee Hye Jung
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Patent number: 12170289Abstract: A display device includes a pixel component including scan lines, data lines, and pixels electrically connected to the scan lines and the data lines, and defining pixel columns and pixel rows, a data driver disposed on a side of the pixel component, and a scan driver disposed on the side of the pixel component. The pixel component includes sub-scan lines, and dummy lines. Each scan line may be electrically connected to the sub-scan lines by contacts. The contacts are divided into contact groups having a same arrangement. The pixel component is divided into pixel blocks corresponding to the contact groups. Each pixel block includes first and second area divided by contact group. The first area is closer to the scan driver than the second area. The pixel component further includes supplementary power lines spaced apart from the respective sub-scan lines.Type: GrantFiled: April 3, 2023Date of Patent: December 17, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Do Yeong Park, Kyung Bae Kim, Jong Woong Chang
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Publication number: 20240389398Abstract: A display device includes: a pixel electrode; a bank on the pixel electrode; and a separator on the bank. The separator has a wide width portion having a first tip and a second tip at both sides and a narrow width portion having a third tip on one side.Type: ApplicationFiled: March 26, 2024Publication date: November 21, 2024Inventors: Do Yeong PARK, Kyung Bae KIM
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Patent number: 12135485Abstract: A display device including a gate line, a data line, a first thin film transistor including a first source electrode extending from the data line, and a first drain electrode spaced apart from the first source electrode, a second thin film transistor including a second source electrode extending from the first source electrode, and a second drain electrode spaced apart from the second source electrode, a third thin film transistor including a third drain electrode extending from the second drain electrode, and a third source electrode spaced apart from the third drain electrode, a first sub-pixel electrode electrically connected to the first drain electrode through a first contact hole, a first reference voltage line electrically connected to the third source electrode through a second contact hole, and a second sub-pixel electrode electrically connected to the second drain electrode through a third contact hole.Type: GrantFiled: May 7, 2023Date of Patent: November 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Do Yeong Park, Seul Bee Lee, Soo Hong Cheon
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Publication number: 20240339076Abstract: A pixel includes a first transistor including a first electrode electrically connected to a first power line, a second electrode, and a gate electrode connected to a first node, a light emitting element including a first electrode, and a second electrode electrically connected to a second power line, a second transistor connected between a data line and a second node, and including a gate electrode electrically connected to a first scan line, a third transistor connected between the second node and the first electrode of the light emitting element, and including a gate electrode electrically connected to a second scan line, a first capacitor connected between the first power line and the first node, and a second capacitor connected between the first node and the second node.Type: ApplicationFiled: January 24, 2024Publication date: October 10, 2024Applicant: Samsung Display Co., LTD.Inventors: Dong Woo KIM, Kwi Hyun KIM, Yeon Kyung KIM, Do Yeong PARK
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Publication number: 20240332313Abstract: A light emitting display device, includes: a substrate; a driving element layer on the substrate and including a transistor and a planarization layer covering the transistor; a cathode and an anode connection electrode on the planarization layer; a separator on the planarization layer and including a first layer and a second layer, wherein the second layer protrudes from the first layer of the separator; a pixel defining layer including a first pixel defining layer on the separator and a second pixel defining layer superimposed with a portion of the cathode and a portion of the anode connection electrode; a light emitting layer on top of the cathode; and an anode connecting electrode, the second pixel defining layer, and an anode above the light emitting layer.Type: ApplicationFiled: January 12, 2024Publication date: October 3, 2024Inventors: Kyung-Bae KIM, Do Yeong PARK, Ki Hyun PYO, Sung Chul HONG