Patents by Inventor Woo Yong Sung
Woo Yong Sung 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: 20240145654Abstract: A display device includes first and second pixel electrodes disposed on a substrate and spaced apart from each other. An inorganic insulating layer is disposed on the substrate and partially overlaps the first and second pixel electrodes. A metal layer structure is disposed on the inorganic insulating layer and includes first and second openings overlapping the first and second pixel electrodes, respectively. First and second light-emitting layers are disposed on the first and second pixel electrodes, respectively. First and second common electrodes are disposed on the first and second light-emitting layers, respectively. The metal layer structure includes first and second metal layers alternately stacked with each other in which the first metal layers comprise uppermost and lowermost layers thereof. Each of the first metal layers includes metal tips that protrude beyond the second metal layers and are positioned on sidewalls of each of the first and second openings.Type: ApplicationFiled: July 25, 2023Publication date: May 2, 2024Inventors: Woo Yong SUNG, Seung Yong Song, Jeong Seok Lee
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Publication number: 20240138234Abstract: A display device includes a substrate including a display area and a non-display area; a light-emitting array layer; an encapsulation structure; pads disposed in a pad area which is a part of the non-display area on the substrate; a dam structure disposed in the non-display area on the substrate and surrounding an edge of the display area; an encapsulation auxiliary structure corresponding to another part of the non-display area except the pad area, surrounding a part of an edge of the display area, and disposed between the dam structure and an edge of the substrate; and a first multilayer disposed between the substrate and each of the dam structure and the encapsulation auxiliary structure, and including an undercut structure by two or more different metal materials which are stacked.Type: ApplicationFiled: July 20, 2023Publication date: April 25, 2024Inventors: Woo Yong SUNG, Seung Yong SONG, Jeong Seok LEE
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Publication number: 20240138198Abstract: Provided is a display panel including a bank layer including a first pixel opening and a second pixel opening, a first light-emitting element disposed in the first pixel opening, and including a first anode, a first organic layer, and a first cathode contacting the bank layer, a second light-emitting element disposed in the second pixel opening, and including a second anode, a second organic layer, and a second cathode spaced apart from the first cathode and contacting the bank layer, and a barrier layer disposed between the bank layer and the first anode, and exposing at least a part of the first anode. The first anode is spaced apart from the bank layer with the barrier layer disposed the first anode and the bank layer on a cross-section.Type: ApplicationFiled: August 22, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., LTD.Inventors: JEONGSEOK LEE, WOO YONG SUNG
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Patent number: 11963436Abstract: A display device includes a display panel including a main area, a bending area at which the display panel is bendable, and a sub area, in order. The main area includes a display area and a non-display area which is adjacent to the display area. The bending area connects the sub area to the main area at the non-display area thereof, and is recessed from outer side surfaces of the main area and the sub area, to define a recess portion of the display panel at the bending area.Type: GrantFiled: June 21, 2022Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Wook Kwon, Jeong Seok Lee, Chan Ho Moon, Woo Yong Sung
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Publication number: 20240122039Abstract: A display device includes a substrate including a sub-display area including a transmission area and a main display area adjacent to the sub-display area, a thin film transistor layer disposed on the main display area and the sub-display area, a light emitting element layer disposed on the thin film transistor layer, a thin film encapsulation layer disposed on the light emitting element layer, where first and second through holes are defined through the transmission area to overlap each other, a first planarization layer disposed under the substrate in the main display area and the transmission area to fill the second through hole, and a second planarization layer disposed on the thin film encapsulation layer in the main display area and the transmission area to fill the first through hole. In the transmission area, the first planarization layer and the second planarization layer are in contact with each other.Type: ApplicationFiled: July 24, 2023Publication date: April 11, 2024Inventors: Woo Yong SUNG, Tae Wook KANG
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Publication number: 20240109327Abstract: An inkjet head includes a nozzle which ejects an ink and includes an inner wall through which the ink passes, a head surface which exposes the nozzle and is connected to first end of the inner wall and an ink supply unit which supplies the ink to the nozzle and includes a flow path connected to a second end of the inner wall opposite to the first end, and the head surface, the inner wall, and the flow path are coated with different coating films, respectively.Type: ApplicationFiled: May 19, 2023Publication date: April 4, 2024Inventors: JAESIK KIM, WOO YONG SUNG, SEUNGHO YOON, HYOUNG SUB LEE, HYEMIN LEE
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Publication number: 20240107853Abstract: A display device includes: a display panel including a base layer, a light emitting element layer, and an encapsulation layer; and an input detection unit disposed on the display panel, wherein the display panel includes: a first side and a second side, wherein the encapsulation layer includes an organic encapsulation layer including: an inclined part adjacent to the first side and the second side; and a flat part extending from the inclined part, wherein a first angle formed by the inclined part with respect to an upper surface of the base layer in a first part of the display panel and input detection unit adjacent to the first side is less than a second angle formed by the inclined part with respect to the upper surface of the base layer in a second part of the display panel and input detection unit adjacent to the second side.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Inventors: JINHO HYUN, HYOUNG SUB LEE, HYEMIN LEE, WOO YONG SUNG
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Publication number: 20240099093Abstract: A display device include a substrate, a pixel electrode disposed on the substrate, a partition layer disposed on the substrate and defining an opening exposing at least a part of the pixel electrode, a light-emitting layer disposed on the pixel electrode within the opening of the partition layer, a common electrode disposed on the light-emitting layer within the opening of the partition layer, a capping layer disposed on the common electrode and the partition layer, and surrounding a side surface of the opening of the partition layer, and a color conversion pattern disposed on the capping layer within the opening of the partition layer.Type: ApplicationFiled: June 29, 2023Publication date: March 21, 2024Inventors: HEE JUN YANG, WOO YONG SUNG, SEUNGYONG SONG
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Patent number: 11937454Abstract: A display panel according to an embodiment of the present invention includes an interlayer insulating layer, a pixel layer including a lower insulating layer between the interlayer insulating layer and a base substrate, an encapsulation layer including a first inorganic layer, and a first blocking groove in the display area, adjacent to a module hole, passing through the interlayer insulating layer to expose a portion of a top surface of the lower insulating layer, and the first blocking groove is surrounded by the first inorganic layer to contact the first inorganic layer.Type: GrantFiled: June 4, 2019Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Junghan Seo, Woo Yong Sung
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Patent number: 11937486Abstract: A display device includes: a substrate including a front surface, side surfaces extending from sides of the front surface, and a corner between the side surfaces; a first display area at the front surface and including a first pixel electrode, a first emissive layer disposed on the first pixel electrode, and a first common electrode on the first emissive layer; a second display area at the corner and including a second pixel electrode, a second emissive layer on the second pixel electrode, and a second common electrode on the second emissive layer; a first inorganic encapsulation layer on the first common electrode and the second common electrode; an organic encapsulation layer on the first inorganic encapsulation layer in the first display area; and a second inorganic encapsulation layer on the organic encapsulation layer in the first display area and on the first inorganic encapsulation layer in the second display area.Type: GrantFiled: April 3, 2023Date of Patent: March 19, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung Han Seo, Woo Young Kim, Woo Yong Sung
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Patent number: 11929386Abstract: A display device includes a display layer including pixels each including at least one transistor, a connection wiring electrically connected to the at least one transistor and exposed to a lower surface of the display layer through a first contact hole in the display layer, a base member disposed under the display layer and including a first hole exposing the connection wiring exposed to the lower surface of the display layer, a first lower protective layer disposed on a lower surface of the base member and including a second hole overlapping the first hole, a pad portion disposed on a lower surface of the first lower protective layer, and a lead line disposed on the lower surface of the first lower protective layer and electrically connecting the pad portion and the connection wiring. A tiled display device includes multiple display devices.Type: GrantFiled: June 16, 2021Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Hoon Jeong, Seung Wook Kwon, Seo Yeon Lee, Seung Gun Chae, Woo Yong Sung, Seung Yeon Chae
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Publication number: 20240077654Abstract: A display device includes: a display member including a first region, a second region, and a third region defined between the first region and the second region; a first coated layer disposed on a first surface of the first region of the display member; and a second coated layer disposed on a first surface of the second region of the display member, where a first modulus of the first coated layer is smaller than a second modulus of the second coated layer.Type: ApplicationFiled: April 26, 2023Publication date: March 7, 2024Inventors: Seung Wook KWON, Woo Yong SUNG
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Publication number: 20240074245Abstract: A display panel includes a base layer, a first lower electrode, a first sacrificial pattern layer defining a first lower opening exposing a portion of an upper surface of the first lower electrode, an insulating layer covering a portion of the first sacrificial pattern layer and defining a first emission opening overlapping the first lower opening, a conductive bank defining a first upper opening overlapping the first emission opening, a first emission pattern layer disposed inside the first lower opening, the first emission opening, and the first upper opening and on the first lower electrode, and a first upper electrode disposed on the first emission pattern layer and in contact with an inner surface of the conductive bank defining the first upper opening, and a thickness of the first emission pattern layer is greater than a sum of a thickness of the first sacrificial pattern layer and a thickness.Type: ApplicationFiled: August 23, 2023Publication date: February 29, 2024Applicant: Samsung Display Co., Ltd.Inventors: JEONGSEOK LEE, TAEWOOK KANG, WOO YONG SUNG, SEUNGYONG SONG
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Patent number: 11903236Abstract: A display device includes: a base substrate including a front surface and a rear surface, and including a display region and a peripheral region adjacent to the display region in a plan view; an organic light-emitting element on the display region; and a sealing layer on the organic light-emitting element. The base substrate includes: a module hole in the display region, and passing through the front surface and the rear surface; a first recess at the display region and recessed from the front surface, the first recess surrounding the module hole in the plan view; and a second recess at the display region and recessed from the front surface, the second recess surrounding the first recess in the plan view. The first recess and the second recess have different widths from each other in a direction parallel to the front surface.Type: GrantFiled: April 5, 2019Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Moonwon Chang, Seunghun Kim, Woo Yong Sung, Sooyoun Kim, Junghan Seo
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Publication number: 20240047615Abstract: A display device includes a substrate. A lower electrode is disposed on the substrate. A metal layer is disposed on the substrate and exposes at least a portion of the lower electrode. A light emitting layer is disposed on the lower electrode and the metal layer. An upper electrode is disposed on the light emitting layer. An insulating layer is disposed on the upper electrode.Type: ApplicationFiled: May 8, 2023Publication date: February 8, 2024Inventors: Woo Yong SUNG, Jeongseok LEE, Seungyong SONG
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Patent number: 11882744Abstract: A tiled display includes a first display device comprising a first display area and a first pad area having grooves, and a second display device comprising a second display area and a second pad area overlapping the second display area, the second pad area having protrusions, wherein the protrusions are inserted into the grooves to connect the first pad area with the second pad area.Type: GrantFiled: April 16, 2021Date of Patent: January 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Wook Kwon, Jeong Seok Lee, Se Hoon Jeong, Woo Yong Sung, Seung Gun Chae, Seung Yeon Chae
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Patent number: 11871640Abstract: A display device includes: a display panel including a base layer, a light emitting element layer, and an encapsulation layer; and an input detection unit disposed on the display panel, wherein the display panel includes: a first side and a second side, wherein the encapsulation layer includes an organic encapsulation layer including: an inclined part adjacent to the first side and the second side; and a flat part extending from the inclined part, wherein a first angle formed by the inclined part with respect to an upper surface of the base layer in a first part of the display panel and input detection unit adjacent to the first side is less than a second angle formed by the inclined part with respect to the upper surface of the base layer in a second part of the display panel and input detection unit adjacent to the second side.Type: GrantFiled: December 24, 2022Date of Patent: January 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jinho Hyun, Hyoung Sub Lee, Hyemin Lee, Woo Yong Sung
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Patent number: 11864407Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. A dam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions. Each of the plurality of protrusions protrudes from the body part.Type: GrantFiled: February 7, 2022Date of Patent: January 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Oh June Kwon, Il Sang Lee, Doo Hwan Kim, Woo Yong Sung, Min Sang Kim, Jin Hwan Jeon, Seung Yong Song
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Publication number: 20230409083Abstract: A display device includes a display panel, an organic layer disposed on a surface of the display panel, a polysilazane layer disposed on the organic layer and including a spaced region, and a resin layer disposed in the spaced region of the polysilazane layer. An elastic modulus of the resin layer is lower than an elastic modulus of the polysilazane layer.Type: ApplicationFiled: April 19, 2023Publication date: December 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Seung Wook KWON, Se Hoon JEONG, Woo Yong SUNG
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Publication number: 20230402436Abstract: A display device may include light emitting elements disposed on a first surface of a substrate, a connection electrode disposed on a second surface of the substrate, and a via layer disposed on the connection electrode, and including at least one depression. The passivation layer may be disposed in the depression of the via layer.Type: ApplicationFiled: June 5, 2023Publication date: December 14, 2023Applicant: Samsung Display Co., LTD.Inventors: Jin Ho HYUN, Oh June KWON, Woo Yong SUNG