Patents by Inventor Woosuk Jung
Woosuk Jung 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: 20250228107Abstract: A display panel according to one or more embodiments of the present disclosure includes a display element layer including a pixel-defining layer defining a pixel opening, and a light-emitting element, and an encapsulation layer above the display element layer, and including a first inorganic encapsulation layer having a refractive index of about 1.90 or more to about 2.10 or less above the display element layer, a second inorganic encapsulation layer having a refractive index of about 1.90 or more to about 2.10 or less above the first inorganic encapsulation layer, a third inorganic encapsulation layer having a refractive index of about 1.90 or more to about 2.10 or less above the second inorganic encapsulation layer, and an organic encapsulation layer having a dielectric constant of about 1.0 or more to about 2.5 or less above the third inorganic encapsulation layer.Type: ApplicationFiled: November 20, 2024Publication date: July 10, 2025Inventors: JONGWOO KIM, SOYOUNG OH, HYUNSUP YOON, WOOSUK JUNG, YONGCHAN JU, JAEHEUNG HA
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Publication number: 20250228106Abstract: A display apparatus includes a substrate. A pixel circuit layer is disposed on the substrate. A pattern layer is disposed on the pixel circuit layer and includes a first area and a second area not including the first area. The first area is defined by an opening. A thin-film encapsulation layer is disposed over the pixel circuit layer solely in the first area and includes a plurality of inorganic material layers having different densities from each other. The thin-film encapsulation layer includes a first inorganic material layer arranged in the first area and having a first density. A second inorganic material layer is disposed on the first inorganic material layer and has a second density greater than the first density. A third inorganic material layer is disposed on the second inorganic material layer and has a third density less than the second density.Type: ApplicationFiled: August 1, 2024Publication date: July 10, 2025Inventors: Woosuk JUNG, Jongwoo KIM, Soyoung OH, Hyunsup YOON, Jaeheung HA
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Publication number: 20250194380Abstract: An organic light-emitting display apparatus includes a substrate, an organic light-emitting element disposed on the substrate, and an encapsulation layer covering the organic light-emitting element. The encapsulation layer includes a first inorganic encapsulation layer, a second inorganic encapsulation layer disposed on the first inorganic encapsulation layer and having a thickness in a range of about 10 ? to about 50 ?, and a third inorganic encapsulation layer disposed on the second inorganic encapsulation layer.Type: ApplicationFiled: September 25, 2024Publication date: June 12, 2025Inventors: Jongwoo KIM, Soyoung OH, Hyunsup YOON, Woosuk JUNG, Jaeheung HA
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Publication number: 20250126939Abstract: A display apparatus includes: a pixel electrode; a conductive bank layer defining a bank opening overlapping the pixel electrode, the conductive layer including a first conductive layer and a second conductive layer; an intermediate layer arranged in the bank opening and overlapping the pixel electrode; an opposite electrode arranged in the bank opening and disposed on the intermediate layer; and a first inorganic encapsulation layer disposed on the opposite electrode, filling the bank opening, and including an inorganic material. The first inorganic encapsulation layer includes a first portion overlapping the bank opening, and a second portion overlapping the conductive bank layer, and an upper surface of the first portion of the first inorganic encapsulation layer and an upper surface of the second portion of the first inorganic encapsulation layer are at a level higher than an upper surface of the conductive bank layer.Type: ApplicationFiled: October 7, 2024Publication date: April 17, 2025Inventors: Changyeong SONG, Jongwoo KIM, Soyoung OH, Hyunsup YOON, Woosuk JUNG, Yongchan JU, Jaeheung HA
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Patent number: 12276882Abstract: A display device includes a display panel and an optical panel disposed on the display panel, the display panel includes a light-emitting device part including a light-emitting device, a first phase retardation layer disposed on the light-emitting device part and having reverse wavelength dispersion characteristics, and an absorbing polarizer disposed on the first phase retardation layer, and the optical panel includes a first lens part disposed on the display panel and including a beam splitter and a second lens part disposed on the first lens part and including a reflective polarizer.Type: GrantFiled: April 1, 2024Date of Patent: April 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Beong-Hun Beon, Dukjin Lee, Woosuk Jung
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Publication number: 20250028204Abstract: A display device includes a display panel and an optical panel disposed on the display panel, the display panel includes a light-emitting device part including a light-emitting device, a first phase retardation layer disposed on the light-emitting device part and having reverse wavelength dispersion characteristics, and an absorbing polarizer disposed on the first phase retardation layer, and the optical panel includes a first lens part disposed on the display panel and including a beam splitter and a second lens part disposed on the first lens part and including a reflective polarizer.Type: ApplicationFiled: April 1, 2024Publication date: January 23, 2025Inventors: BEONG-HUN BEON, DUKJIN LEE, WOOSUK JUNG
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Publication number: 20240431139Abstract: A display device includes a substrate, a light emitting element disposed on the substrate, a capping layer covering the light emitting element, and an encapsulation layer disposed on the capping layer. The capping layer includes a first inorganic layer, a first flexible layer disposed on the first inorganic layer, and a second inorganic layer disposed on the first flexible layer. The first flexible layer includes silicon and carbon. A thickness of the first flexible layer is about 80% or more of a thickness of the capping layer.Type: ApplicationFiled: September 11, 2024Publication date: December 26, 2024Inventors: JAEHEUNG HA, JONGWOO KIM, CHANGYEONG SONG, WOOSUK JUNG, YONGCHAN JU, HEEYEON PARK, HYEIN YANG
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Publication number: 20240373730Abstract: A method of manufacturing a display device includes forming a light emitting structure on a substrate and forming a thin film encapsulation layer on the light emitting structure by chemical vapor deposition equipment. The forming the thin film encapsulation layer includes forming a first inorganic layer and performing a first plasma treatment on a first portion of the first inorganic layer which is opposite to a second portion of the first inorganic layer facing the light emitting structure. A first raw material in the forming the first inorganic layer includes hydrogen. A second raw material in the performing the first plasma treatment exclusively consists of hydrogen.Type: ApplicationFiled: July 16, 2024Publication date: November 7, 2024Inventors: WOOSUK JUNG, JAEHEUNG HA, WONJONG KIM, JONGWOO KIM, HEEYEON PARK, CHANGYEONG SONG, HYEIN YANG, YONGCHAN JU
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Patent number: 12120904Abstract: A display device includes a substrate, a light emitting element disposed on the substrate, a capping layer covering the light emitting element, and an encapsulation layer disposed on the capping layer. The capping layer includes a first inorganic layer, a first flexible layer disposed on the first inorganic layer, and a second inorganic layer disposed on the first flexible layer. The first flexible layer includes silicon and carbon. A thickness of the first flexible layer is about 80% or more of a thickness of the capping layer.Type: GrantFiled: July 19, 2021Date of Patent: October 15, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaeheung Ha, Jongwoo Kim, Changyeong Song, Woosuk Jung, Yongchan Ju, Heeyeon Park, Hyein Yang
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Publication number: 20240306475Abstract: Provided are a display device and a method for manufacturing the same. The display device of an embodiment may include a base layer, a light emitting element, and an encapsulation layer. The encapsulation layer included in the display device may include a first inorganic layer, a second inorganic layer, and an organic layer, and the organic layer may include a near-infrared absorbing dye to contribute to reducing a dead space, and accordingly, the display device may exhibit improved display quality.Type: ApplicationFiled: February 21, 2024Publication date: September 12, 2024Inventors: CHANGYEONG SONG, YEONGUK KIM, HEEYEON PARK, JAEHEUNG HA, JONGWOO KIM, SOYOUNG OH, HYUNSUP YOON, WOOSUK JUNG
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Patent number: 12069934Abstract: A method of manufacturing a display device includes forming a light emitting structure on a substrate and forming a thin film encapsulation layer on the light emitting structure by chemical vapor deposition equipment. The forming the thin film encapsulation layer includes forming a first inorganic layer and performing a first plasma treatment on a first portion of the first inorganic layer which is opposite to a second portion of the first inorganic layer facing the light emitting structure. A first raw material in the forming the first inorganic layer includes hydrogen. A second raw material in the performing the first plasma treatment exclusively consists of hydrogen.Type: GrantFiled: October 7, 2021Date of Patent: August 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woosuk Jung, Jaeheung Ha, Wonjong Kim, Jongwoo Kim, Heeyeon Park, Changyeong Song, Hyein Yang, Yongchan Ju
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Publication number: 20240276835Abstract: Provided is a display device, including a base layer, and a display element layer on the base layer, and having a light emitting element, the light emitting element includes a first electrode, a second electrode on the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein the light emitting element emits light from the first electrode to the second electrode, and the second electrode includes a first layer on the plurality of organic layers, the first layer including silver (Ag) and/or magnesium (Mg), and a second layer on the first layer, the second layer including ytterbium (Yb). Accordingly, the display quality of the display device may be improved.Type: ApplicationFiled: November 21, 2023Publication date: August 15, 2024Inventors: SOYOUNG OH, CHANGYEONG SONG, JAEHEUNG HA, YEONGUK KIM, JONGWOO KIM, HEEYEON PARK, HYUNSUP YOON, WOOSUK JUNG
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Publication number: 20240260396Abstract: A display device includes a lower substrate including a plurality of pixels and including a first area and a second area surrounding the first area on a plane, a first filler disposed on the lower substrate, overlapping the first area, and including a first catalyst, a second filler disposed on the lower substrate, overlapping the second area, disposed on a same layer as the first filler, and including a second catalyst, an upper substrate disposed on the first filler and the second filler, and a sealing member disposed between the lower substrate and the upper substrate.Type: ApplicationFiled: September 6, 2023Publication date: August 1, 2024Inventors: JONGWOO KIM, Jaeheung Ha, Yeonguk Kim, Heeyeon Park, Changyeong Song, Soyoung Oh, Hyunsup Yoon, Woosuk Jung
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Publication number: 20240032395Abstract: Provided is a display device including a base layer, a pixel defining film, a display element layer including a light-emitting element divided by a pixel defining film, an encapsulation substrate on the display element layer, and a filling layer between the display element layer and the encapsulation substrate and including a filler derived from a mixture having a first polymer compound containing a first monomer represented by Formula 1 below, a second polymer compound containing a second monomer represented by Formula 2 below, and a plurality of crosslinking compounds.Type: ApplicationFiled: June 14, 2023Publication date: January 25, 2024Inventors: YONGCHAN JU, YEONGUK KIM, JONGWOO KIM, HEEYEON PARK, CHANGYEONG SONG, HYEIN YANG, SOYOUNG OH, JONGKWANG YUN, WOOSUK JUNG, JAEHEUNG HA
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Publication number: 20240004115Abstract: A polarizing film includes a polarizing layer and a twisted liquid crystal layer. The twisted liquid crystal layer includes liquid crystal molecules arranged to have different degrees of inclination from each other with respect to a transmission axis of the polarizing layer in a thickness direction. A top tilting angle is about 64° to about 75°; a bottom tilting angle is about 135° to about 145°, and the twisted liquid crystal layer has a thickness of about 2.5 ?m to about 3 ?m in the thickness direction.Type: ApplicationFiled: January 13, 2023Publication date: January 4, 2024Inventors: Beonghun BEON, Dukjin LEE, Woosuk JUNG, Hyosung HONG
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Publication number: 20230371347Abstract: A display apparatus includes a display panel including a display element and a thin-film encapsulation layer disposed on the display element, and a polarization film disposed on the display panel and including a polarization layer, a phase retardation layer, and a phase compensation layer, wherein a thickness direction phase difference CRth of the phase compensation layer satisfies Equation: CRth = - ((Re x sin2(2?) x NZ)/2 + ARth).Type: ApplicationFiled: May 15, 2023Publication date: November 16, 2023Applicant: Samsung Display Co., Ltd.Inventors: Beonghun Beon, Dukjin Lee, Hyosung Hong, Woosuk Jung
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Patent number: 11793020Abstract: A display panel includes a light emitting element and an encapsulation layer on the light emitting element. The encapsulation layer covers the light emitting element. The encapsulation layer includes a plurality of polymer layers including a block copolymer. The plurality of polymer layers includes a plurality of first polymer layers, each of which has a first refractive index, and a plurality of second polymer layers, each of which has a second refractive index greater than the first refractive index. A difference between the first refractive index and the second refractive index is in a range of about 0.1 to about 0.6.Type: GrantFiled: August 19, 2020Date of Patent: October 17, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-won Park, Wonjong Kim, Jongwoo Kim, Changyeong Song, Woosuk Jung, Jaeheung Ha
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Patent number: 11703965Abstract: A display device includes a light-emitting element, an encapsulation layer covering the light-emitting element and including an organic thin film, an organic dielectric layer on the encapsulation layer and an input-sensing part on the organic dielectric layer. The organic dielectric layer includes an organic material and has a thickness smaller than a thickness of the organic layer of the encapsulation layer.Type: GrantFiled: April 26, 2021Date of Patent: July 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Changyeong Song, Jongwoo Kim, Yongchan Ju, Jaeheung Ha, Wonjong Kim, Heeyeon Park, Hyein Yang, Woosuk Jung
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Publication number: 20230209871Abstract: An organic light-emitting display apparatus includes: a pixel electrode, an intermediate layer on the pixel electrode and including an emission layer, an opposite electrode on the pixel electrode such that the intermediate layer is therebetween, an inorganic encapsulation layer on the opposite electrode, an organic encapsulation layer on the inorganic encapsulation layer, and a protection layer on the organic encapsulation layer and including a first protection layer including silicon nitride and a second protection layer including silicon oxynitride.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Jongwoo KIM, Wonjong KIM, Yisu KIM, Changyeong SONG, Hyein YANG, Woosuk JUNG, Yongchan JU, Jaeheung HA
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Patent number: 11686970Abstract: Provided is a display device including a display panel, a polarizing layer on the display panel and including a linear polarizer having a stretched polymer film, an adhesive member directly on the linear polarizer, and a window on the adhesive member, wherein the adhesive member absorbs 90% or greater of light having a wavelength in a range of about 300 nm to about 380 nm, and may thus effectively protect the polarizing layer from ultraviolet light incident from the outside. In addition, the display device may obtain thinner thickness, thereby exhibiting excellent reliability.Type: GrantFiled: April 29, 2021Date of Patent: June 27, 2023Assignee: Samsung Display Co., Ltd.Inventors: Beong-Hun Beon, Minha Kim, Dukjin Lee, Woosuk Jung