Patents by Inventor Hyun-Eok Shin
Hyun-Eok Shin 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: 20240357871Abstract: A display device includes anode electrodes spaced apart, a bank structure surrounding the anode electrodes, and including openings, a capping layer on the anode electrode, electrically connected thereto, and having at least a portion spaced apart from the anode electrodes, an inorganic insulating layer on the capping layer within the openings and exposing a portion of an upper surface of the capping layer, light emitting layers each on the capping layer and having a portion contacting a side surface of the bank structure, cathode electrodes on the light emitting layers and having a portion contacting the side surface of the bank structure, and auxiliary common electrodes on the cathode electrodes and having a portion disposed on the bank structure. The bank structure includes first and second bank layers having different material, and the second includes a tip protruding more than the first bank layer.Type: ApplicationFiled: November 28, 2023Publication date: October 24, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Joon Yong PARK, Dong Min LEE
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Publication number: 20240349580Abstract: A touch sensing unit having a substrate including an emission area and a non-emission area, a light emitting element positioned on the substrate and overlapping the emission area, a thin film encapsulation layer on the light emitting element and a touch sensor layer positioned on the thin film encapsulation layer, including a touch insulating layer on the thin film encapsulation layer, a touch metal layer on the touch insulating layer, and a touch protection layer on the touch metal layer, including a first conductive layer on the touch insulating layer, a second conductive layer on the first conductive layer and a first inclined surface connecting the first surface to the second surface and a third conductive layer covering the first inclined surface and the second surface of the second conductive layer.Type: ApplicationFiled: December 6, 2023Publication date: October 17, 2024Inventors: Hyun Eok SHIN, Ju Hyun LEE, Dong Min LEE
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Publication number: 20240341160Abstract: A display device includes: a display panel including a display area and a non-display area; a window disposed above the display panel and having a plurality of grooves that are formed on one surface of window facing the display panel; and viewing angle control members formed inside the plurality of grooves, wherein the viewing angle control members include light absorbing walls formed on sidewalls of the plurality of grooves and formed to become thinner as upper surfaces of the plurality of grooves are approached.Type: ApplicationFiled: October 26, 2023Publication date: October 10, 2024Inventors: Hyun Eok SHIN, Dong MIn LEE, Ju Hyun LEE
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Publication number: 20240334755Abstract: According to embodiments, a display device includes a pixel driving circuit including a transistor and disposed on a substrate, an organic layer covering the pixel driving circuit and including a contact hole, a conductive organic layer covering the contact hole and the organic layer around the contact hole and electrically connected to the transistor through the contact hole, a non-conductive organic layer disposed on the organic layer and disposed in a region where the conductive organic layer is not disposed, and an anode electrically connected to the conductive organic layer, and the contact hole overlaps the anode in a plan view.Type: ApplicationFiled: December 28, 2023Publication date: October 3, 2024Applicant: Samsung Display Co., LTD.Inventors: Joon Yong PARK, Hyun Eok SHIN, Dong Min LEE, SAMTAE JEONG
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Publication number: 20240334756Abstract: A display device may include a substrate including an emission area and a non-emission area, a transistor electrode above the substrate, a via layer over the transistor electrode, and defining a first opening exposing the transistor electrode, an organic layer above the via layer to fill the first opening, a first electrode above the organic layer, and electrically connected to the transistor electrode through the organic layer, an emission layer above the first electrode, and a second electrode over the emission layer.Type: ApplicationFiled: October 17, 2023Publication date: October 3, 2024Inventors: Jae Yong KA, Joon Yong PARK, Hyun Eok SHIN
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Publication number: 20240334746Abstract: A display device includes a transistor layer disposed on a substrate and including at least one transistor, an insulating layer disposed on the transistor layer, a first pixel electrode disposed on the insulating layer, a first pixel defining layer covering a side surface of the first pixel electrode and a side surface of the insulating layer and defining a first emission area, a first light emitting layer disposed in the first emission area on the first pixel electrode, a first common electrode disposed on the first light emitting layer, and a bank disposed on the insulating layer and surrounding the first pixel electrode. The first pixel electrode and the bank are disposed on a same layer and include a same material.Type: ApplicationFiled: November 21, 2023Publication date: October 3, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Dong Min LEE, Ju Hyun LEE, Yung Bin CHUNG
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Publication number: 20240313163Abstract: A display device includes: a substrate having an emission area and a non-emission area; an insulating layer covering a circuit element on the substrate, the insulating layer including a contact part exposing a portion of the circuit element; a conductive pattern on the insulating layer and electrically connected to the circuit element through the contact part; a first electrode on the insulating layer and integrally formed with the conductive pattern; a pixel defining layer over the first electrode, the pixel defining layer including an opening exposing a portion of the first electrode; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the conductive pattern and the first electrode include a first layer, a second layer, and a third layer, which are sequentially stacked on one surface of the insulating layer, and wherein the second layer includes an aluminum-nickel-lanthanum-based alloy.Type: ApplicationFiled: March 8, 2024Publication date: September 19, 2024Inventors: Hyun Eok SHIN, Do Keun SONG, Su Kyoung YANG
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Publication number: 20240306430Abstract: An embodiment provides a display device including transistors disposed on a substrate; an insulating layer disposed on the transistors; a first electrode disposed on the insulating layer and electrically connected to at least one of the transistors; a partition wall disposed on the insulating layer, and a common layer disposed on the partition wall and the first electrode, wherein the partition wall includes a groove, the groove has a shape having an inner width wider than an inlet width, and the common layer is disposed inside the groove.Type: ApplicationFiled: January 26, 2024Publication date: September 12, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Joon Yong PARK, Do Keun SONG, Ju Hyun LEE, Yu-Gwang JEONG
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Patent number: 12080721Abstract: A display substrate may include a substrate and a wiring on the substrate. The wiring may include a metal oxide layer including at least one oxide selected from tantalum (Ta), niobium (Nb), and titanium (Ti), and a metal layer on the metal oxide layer and including copper (Cu), and a thickness of the metal oxide layer may be in a range of about 30 angstroms (?) to about 50 ?.Type: GrantFiled: March 29, 2019Date of Patent: September 3, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Eok Shin, Hong-Sick Park, Sangwoo Sohn, Sang-Gab Kim, Gyungmin Baek, Sang-Won Shin
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Publication number: 20240292666Abstract: A display device includes a pixel circuit layer including a base layer and a pixel circuit, a first electrode on the pixel circuit layer, light emitting portions including a first light emitting portion defining first sub-pixel area and a second light emitting portion defining a second sub-pixel area, and a partition wall between the first and second light emitting portions, wherein the partition wall includes a first layer, a second layer on the first layer, and a third layer on the second layer, wherein the first layer has a first thickness, the second layer has a second thickness, the third layer has a third thickness, and the partition wall has a fourth thickness that is a sum of the first thickness to the third thickness, and wherein the first thickness and a thickness of the light emitting portion correspond to each other.Type: ApplicationFiled: September 26, 2023Publication date: August 29, 2024Inventors: Hyun Eok SHIN, Joon Yong PARK, Do Keun SONG
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Publication number: 20240292667Abstract: A display device includes a plurality of transistors disposed on a substrate, an insulating layer disposed on the transistors, a first electrode disposed on the insulating layer and electrically connected to the transistors, a partition wall disposed on the insulating layer, a common layer disposed on the partition wall and the first electrode, an emission layer disposed on the common layer, a second electrode disposed on the emission layer, and an auxiliary layer disposed on the second electrode. The partition wall includes a groove, and an inner width of the groove is greater than an inlet width of the groove.Type: ApplicationFiled: November 27, 2023Publication date: August 29, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Dong Min LEE, Woo-Seok JEON, Yung Bin CHUNG, Yu-Gwang JEONG
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Publication number: 20240243231Abstract: A display device includes electrodes spaced apart from each other, a first insulating layer disposed on the electrodes, a light emitting element disposed on the first insulating layer, and a connection electrode contacting the light emitting element on the light emitting element. The electrodes include a first electrode layer, a second electrode layer, and a third electrode layer. The first electrode layer, the second electrode layer, and the third electrode layer are sequentially stacked. A surface of the second electrode layer includes an Al—Ni—Cu precipitate. The connection electrode contacts the surface of the second electrode layer through a contact hole formed in the third electrode layer.Type: ApplicationFiled: September 7, 2023Publication date: July 18, 2024Applicant: Samsung Display Co., LTD.Inventors: Joon Yong PARK, Hyun Eok SHIN, Su Kyoung YANG
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Publication number: 20240243138Abstract: A display device according to an embodiment includes a transistor disposed on a substrate, a first conductive layer electrically connected to the transistor, a first metal layer electrically connected to the first conductive layer, a first electrode electrically connected to the first metal layer, and an emission layer electrically connected to the first electrode. The first metal layer includes a first layer including Zn-ITO, a second layer including Ag, and a third layer including Zn-ITO.Type: ApplicationFiled: November 27, 2023Publication date: July 18, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Joon Yong PARK
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Publication number: 20240234636Abstract: A display device including a substrate, and a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on the substrate, each of the light emitting elements includes a first electrode, a light emitting layer, and a second electrode, the first electrode has a first metal layer, at least one inorganic layer, at least one etch stop layer, and a second metal layer stacked on each other, and a thickness of the first electrode of the first light emitting element is different from a thickness of the first electrode of the second light emitting element.Type: ApplicationFiled: November 6, 2023Publication date: July 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Eok SHIN, Joon Yong PARK, Ju Hyun LEE
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Publication number: 20240237412Abstract: A display device includes first and second pixel electrodes on a substrate to be spaced apart from each other, an inorganic insulating layer on the substrate to partially cover the first pixel electrode and the second pixel electrode, a bank structure on the inorganic insulating layer, where first and second openings overlapping the first and second pixel electrodes are defined through the bank structure, first and second light emitting layers on the first and second pixel electrodes, and first and second common electrodes on the first and second light emitting layers. The bank structure includes first and second bank layers and including different organic insulating materials from each other, the second bank layer has different thicknesses depending on positions thereof, the second bank layer includes tips protruding more than side surfaces of the first bank layer defining the first and second openings, and the first bank layer includes AlNiLaCu.Type: ApplicationFiled: July 21, 2023Publication date: July 11, 2024Inventors: Joon Yong PARK, Hyun Eok SHIN, Dong Min LEE
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Publication number: 20240224761Abstract: A display device includes a first pixel electrode disposed in a first emission area on a substrate, an insulating layer covering an edge of the first pixel electrode, a first emissive layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first emissive layer, a bank disposed on the insulating layer to surround the first emission area, a low-reflection insulating layer disposed on the bank, a first organic pattern surrounding the first emission area on the low-reflection insulating layer and including a same material as a material of the first emissive layer. The bank includes a first bank disposed on the insulating layer and contacts the first common electrode, a second bank disposed on the first bank, a third bank disposed on the second bank, and a fourth bank disposed on the third bank. The first to fourth banks include metal materials.Type: ApplicationFiled: October 3, 2023Publication date: July 4, 2024Inventors: Joon Yong PARK, Hyun Eok SHIN, Ju Hyun LEE, Yung Bin CHUNG
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Publication number: 20240215305Abstract: A display device includes a first pixel electrode in a first emission area, an insulating layer covering an edge of the first pixel electrode, a first light-emitting layer on the first pixel electrode and the insulating layer, a first common electrode on the first light-emitting layer, a bank disposed on the insulating layer and surrounding the first emission area, and a first organic pattern surrounding the first emission area on the bank and including the same material as that of the first light-emitting layer. The bank includes a first bank contacting the first common electrode, a second bank disposed on the first bank and including a tip structure protruding toward the first emission area, and a third bank disposed on the second bank and having low reflection characteristics.Type: ApplicationFiled: October 2, 2023Publication date: June 27, 2024Inventors: Hyun Eok SHIN, Joon Yong PARK
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Publication number: 20240215323Abstract: A display device includes a first pixel electrode disposed on a substrate; an inorganic insulating layer disposed on the substrate; a bank structure disposed on the inorganic insulating layer and including a first opening, which overlap with the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode; and a first common electrode disposed on the first light-emitting layer. The bank structure includes a first bank layer, which is disposed directly on the inorganic insulating layer and includes MoTaOx, a second bank layer, which is disposed on the first bank layer and includes MoTaOx, and a third bank layer, which is disposed between the first bank layer and the second bank layer and includes copper (Cu). The second bank layer includes tips, which protrude beyond the third bank layer, on a sidewall of the first opening, and the first and second bank layers include different Ta contents.Type: ApplicationFiled: September 21, 2023Publication date: June 27, 2024Inventors: Hyun Eok SHIN, Joon Yong PARK, Ju Hyun LEE
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Publication number: 20240215380Abstract: A display device includes: a first pixel electrode disposed in a first emission area on a substrate and formed as multiple layers, an insulating layer covering an edge of the first pixel electrode, a first light emitting layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first light emitting layer, a bank disposed on the insulating layer and surrounding the first emission area, and a first thin-film pattern disposed on the insulating layer and the bank in an adjacent area to the first emission area. An uppermost layer of the first pixel electrode and the first thin-film pattern include the same material.Type: ApplicationFiled: October 2, 2023Publication date: June 27, 2024Inventors: Hyun Eok SHIN, Sung Joo KWON
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Publication number: 20240206298Abstract: The present disclosure relates to a display device, and the display device includes: a substrate; a light-emitting element disposed on the substrate and including an emission layer; and a light controller disposed on the light-emitting element, in which the light controller includes: a plurality of light blocking parts extending in a first direction and spaced apart along a second direction crossing the first direction; and a transparent organic layer disposed between the plurality of light blocking parts, each of the plurality of light blocking parts includes at least one light absorption layer and at least one compensation layer alternately stacked along a thickness direction of the substrate, and the at least one light absorption layer has a compressive stress and the at least one compensation layer has a tensile stress.Type: ApplicationFiled: September 21, 2023Publication date: June 20, 2024Inventors: Hyun Eok SHIN, Ju Hyun LEE, Yu-Gwang JEONG