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: 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
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Patent number: 11637268Abstract: Provided is a display device including a base layer; a light emitting element layer disposed on the base layer; and a thin-film encapsulation layer disposed on and encapsulating the light emitting element layer, where the thin-film encapsulation layer includes an inorganic layer having at least one inorganic sub-layer pair, where the at least one inorganic sub-layer pair includes a first inorganic sub-layer having a first refractive index and a second inorganic sub-layer disposed on the first inorganic sub-layer and having a second refractive index different from the first refractive index.Type: GrantFiled: September 15, 2020Date of Patent: April 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woosuk Jung, Su Jeong Kim, Jaeheung Ha, Wonjong Kim, Yisu Kim, Changyeong Song, Hyein Yang, Yongchan Ju
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Patent number: 11588133Abstract: 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: GrantFiled: June 18, 2020Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jongwoo Kim, Wonjong Kim, Yisu Kim, Changyeong Song, Hyein Yang, Woosuk Jung, Yongchan Ju, Jaeheung Ha
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Patent number: 11574962Abstract: A display panel and a manufacturing method of a display panel are provided. A display panel includes: a base substrate in which a pixel area and a peripheral area adjacent to the pixel area are defined; a light emitting element located on the base substrate to overlap the pixel area, and configured to generate first light; a light control layer on the light emitting element; a color filter layer on the light control layer; and a capping layer contacting at least the light control layer and including silicon oxynitride (SiON), and the capping layer contains about 34 at % to about 41 at % of oxygen, and about 18 at % to about 25 at % of nitrogen. Luminous efficiency of the display panel may be increased while maintaining durability of the display panel.Type: GrantFiled: September 16, 2020Date of Patent: February 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jaeheung Ha, Wonjong Kim, Yisu Kim, Jongwoo Kim, Changyeong Song, Jaejin Lyu, Woosuk Jung, Yongchan Ju
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Publication number: 20220317357Abstract: A polarizing film includes: a polarizing layer; a coating layer at one side of the polarizing layer and to absorb wavelengths in an ultraviolet ray region; and a phase retardation layer at another side of the polarizing layer, wherein the coating layer has a thickness of about 15 nm to about 5 ?m.Type: ApplicationFiled: January 31, 2022Publication date: October 6, 2022Inventors: Beonghun Beon, Dukjin Lee, Woosuk Jung, Hyosung Hong
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Patent number: 11407678Abstract: An electronic panel includes: a base substrate divided into a hole region including a hole transmissive region overlapping an electronic module when viewed in a plan view and a light shielding region adjacent to the hole transmissive region, an active region adjacent to the hole region, and a peripheral region adjacent to the active region; a plurality of light emitting devices spaced apart from the hole region in the active region; a light shielding pattern spaced apart from the hole transmissive region in the light shielding region; and an encapsulation substrate on the base substrate and covering the light emitting devices, wherein the light shielding pattern comprises frit.Type: GrantFiled: May 29, 2020Date of Patent: August 9, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyunmin Hwang, Sangyeol Kim, Woosuk Jung, Young Seo Choi
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Publication number: 20220238851Abstract: 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: October 7, 2021Publication date: July 28, 2022Inventors: WOOSUK JUNG, JAEHEUNG HA, WONJONG KIM, JONGWOO KIM, HEEYEON PARK, CHANGYEONG SONG, HYEIN YANG, YONGCHAN JU
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Publication number: 20220231256Abstract: A display apparatus includes: a substrate including a display area and a peripheral area around the display area, a first organic layer arranged in the peripheral area, and a second organic layer arranged in the display area and the peripheral area. A tilt angle of a side surface of the second organic layer is equal to or greater than about 10 degrees and less than or equal to about 90 degrees.Type: ApplicationFiled: August 17, 2021Publication date: July 21, 2022Inventors: Jaeheung Ha, Jongwoo Kim, Changyeong Song, Yongchan Ju, Heeyeon Park, Hyein Yang, Woosuk Jung
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Publication number: 20220190054Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two-phase retarders and one polarizer. Slow axes of each of the at least two-phase retarders are located in the same quadrant of four quadrants of the optical film.Type: ApplicationFiled: March 1, 2022Publication date: June 16, 2022Inventors: Dongwook Choi, Taeeun Kim, Heeyoung Lee, Dukjin Lee, Woosuk Jung
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Publication number: 20220165983Abstract: 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: July 19, 2021Publication date: May 26, 2022Inventors: JAEHEUNG HA, JONGWOO KIM, Changyeong Song, Woosuk Jung, Yongchan Ju, Heeyeon Park, Hyein Yang
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Patent number: 11264429Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.Type: GrantFiled: December 15, 2020Date of Patent: March 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwook Choi, Taeeun Kim, Heeyoung Lee, Dukjin Lee, Woosuk Jung
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Publication number: 20220057876Abstract: 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: ApplicationFiled: April 26, 2021Publication date: February 24, 2022Inventors: CHANGYEONG SONG, JONGWOO KIM, YONGCHAN JU, JAEHEUNG HA, WONJONG KIM, HEEYEON PARK, HYEIN YANG, WOOSUK JUNG
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Patent number: 11226445Abstract: A display device includes a display module that is folded with respect to a folding axis extending in a first direction, a polarization layer disposed on the display module and having a polarization axis parallel to the first direction, and a phase delay layer disposed on the polarization layer and configured to change linearly polarized light, which passes through the polarization layer, into circularly polarized light.Type: GrantFiled: August 12, 2020Date of Patent: January 18, 2022Assignee: Samsung Display Co., Ltd.Inventors: Beong-hun Beon, Dukjin Lee, Woosuk Jung
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Publication number: 20220011631Abstract: 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: ApplicationFiled: April 29, 2021Publication date: January 13, 2022Inventors: BEONG-HUN BEON, MINHA KIM, DUKJIN LEE, WOOSUK JUNG