Patents by Inventor Yun-Kyu An
Yun-Kyu An 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: 11984429Abstract: Leadless power amplifier (PA) packages having topside termination interposer (TTI) arrangements, and associated fabrication methods, are disclosed. Embodiments of the leadless PA package include a base flange, a first set of interposer mount pads, a first RF power die, a package body. The first RF power die is attached to a die mount surface of the base flange and electrically interconnected with the first set of interposer mount pads. The TTI arrangement is electrically coupled to the first set of interposer mount pads and projects therefrom in the package height direction. The package body encloses the first RF power die and having a package topside surface opposite the lower flange surface. Topside input/output terminals of the PA package are accessible from the package topside surface and are electrically interconnected with the first RF power die through the TTI arrangement and the first set of interposer mount pads.Type: GrantFiled: September 30, 2021Date of Patent: May 14, 2024Assignee: NXP USA, Inc.Inventors: Yun Wei, Scott Duncan Marshall, Lakshminarayan Viswanathan, Taek Kyu Kim, Ricardo Uscola, Fernando A. Santos
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Patent number: 11895861Abstract: A display device includes a base; a light emitting element on the base; a capping layer on the light emitting element; a thin-film encapsulation layer including a first inorganic layer on the capping layer, an organic layer on the first inorganic layer, and a second inorganic layer on the organic layer; and a wavelength conversion pattern on the thin-film encapsulation layer and overlapping the light emitting element, wherein the first inorganic layer includes two sub-inorganic layers having different refractive indices.Type: GrantFiled: April 2, 2021Date of Patent: February 6, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yong Tack Kim, Cheol Eon Park, Hak Joong Yong, Yun Kyu Lee, Yoon Hyeung Cho
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Publication number: 20230407644Abstract: An exterior building structure using a unit integrated with insulation is proposed.Type: ApplicationFiled: October 7, 2022Publication date: December 21, 2023Applicant: Sunpark Co.Inventor: Yun Kyu LEE
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Patent number: 11818937Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: GrantFiled: December 6, 2021Date of Patent: November 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yo Han Kim, Yong Tack Kim, Yoon Hyeung Cho, Jong Jin Park, Deok Chan Yoon, Yun Kyu Lee, Dong Uk Choi
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Publication number: 20230126982Abstract: Provided is a method for analyzing an effect of a hygroscopic seeding material sprayed through an airborne cloud seeding experiment on ground aerosol concentrations, including the steps of: inputting information of meteorological fields and seeding spraying of the airborne cloud seeding experiment to a numerical cloud seeding model to execute a numerical simulation; calculating a mass concentration of the hygroscopic seeding material on ground, based on results of the numerical simulation; and calculating a contribution degree of the hygroscopic seeding material to mass concentrations of aerosols, based on comparison between the calculated mass concentration of the hygroscopic seeding material and the mass concentrations of the aerosols observed on an execution date of the airborne cloud seeding experiment.Type: ApplicationFiled: December 10, 2021Publication date: April 27, 2023Inventors: Sang hee CHAE, Ki Ho CHANG, Yun Kyu LIM, Woon seon JUNG, Jung Mo KU, Chul Kyu LEE
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Publication number: 20220093691Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Inventors: Yo Han KIM, Yong Tack KIM, Yoon Hyeung CHO, Jong Jin PARK, Deok Chan YOON, Yun Kyu LEE, Dong Uk CHOI
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Publication number: 20210399260Abstract: A display device includes a base; a light emitting element on the base; a capping layer on the light emitting element; a thin-film encapsulation layer including a first inorganic layer on the capping layer, an organic layer on the first inorganic layer, and a second inorganic layer on the organic layer; and a wavelength conversion pattern on the thin-film encapsulation layer and overlapping the light emitting element, wherein the first inorganic layer includes two sub-inorganic layers having different refractive indices.Type: ApplicationFiled: April 2, 2021Publication date: December 23, 2021Inventors: Yong Tack KIM, Cheol Eon PARK, Hak Joong YONG, Yun Kyu LEE, Yoon Hyeung CHO
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Patent number: 11195884Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: GrantFiled: December 6, 2019Date of Patent: December 7, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yo Han Kim, Yong Tack Kim, Yoon Hyeung Cho, Jong Jin Park, Deok Chan Yoon, Yun Kyu Lee, Dong Uk Choi
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Publication number: 20200258946Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: ApplicationFiled: December 6, 2019Publication date: August 13, 2020Inventors: Yo Han KIM, Yong Tack KIM, Yoon Hyeung CHO, Jong Jin PARK, Deok Chan YOON, Yun Kyu LEE, Dong Uk CHOI
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Publication number: 20200030651Abstract: The present invention relates to a virtual reality firefighting experiential system enabling a user to calmly and swiftly handle fire upon an outbreak of the fire by configuring a fire outbreak situation as virtual reality such that the user experiences a fire suppression process under each condition through recognition of a user's behavior, which enables that no loss of lives occurs in training and the user may safely experience the fire suppression process in a similar environment to a fire scene.Type: ApplicationFiled: April 1, 2016Publication date: January 30, 2020Inventor: Yun Kyu CHOI
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Patent number: 10466621Abstract: A developing cartridge includes: a photosensitive unit; a developing unit coupled to the photosensitive unit to be movable between a release position and a developing position; an elastic member to provide an elastic force in a direction to maintain the developing unit at the developing position; a movable member including a gear portion, the movable member and capable of moving to a first position to move the developing unit to the release position and second position to move the developing unit to the developing position; and a switching member connected to a driving gear, wherein as the driving gear rotates in a first direction or a second direction, the switching member is switched between a third position at which the switching member is connected to the gear portion to move the movable member from the second position to the first position and a fourth position at which the switching member is spaced apart from the gear portion to allow the movable member to move from the first position to the second posType: GrantFiled: July 31, 2018Date of Patent: November 5, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Ho-jin Jang, Young-chae Kim, Yun-kyu Sim, Gun-soo Chang
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Patent number: 10289062Abstract: Disclosed is a development cartridge attachable/detachable to/from a main body of an image forming apparatus. The development cartridge includes at least a photosensitive drum to form an electrostatic latent image thereon or a developer roller to develop the electrostatic latent image by supplying a developer to the photosensitive drum, a housing to support the at least one photosensitive drum or the developer roller. A developer roller gear may be provided on a rotation shaft of the developer roller to connect to a driving gear of the main body when the development cartridge is attached to the main body, and a driven coupler provided at an end of the photosensitive drum to couple to a driving coupler located coaxially with the driving gear in the main body, based on shaft coupling when the development cartridge is attached to the main body.Type: GrantFiled: March 1, 2018Date of Patent: May 14, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Young Chae Kim, Junhui Kim, Jin-Hong Kim, Ji-Won Moon, Yun Kyu Shim, Sungwook Kang, Sunggi Kim
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Publication number: 20180335720Abstract: A developing cartridge includes: a photosensitive unit; a developing unit coupled to the photosensitive unit to be movable between a release position and a developing position; an elastic member to provide an elastic force in a direction to maintain the developing unit at the developing position; a movable member including a gear portion, the movable member and capable of moving to a first position to move the developing unit to the release position and second position to move the developing unit to the developing position; and a switching member connected to a driving gear, wherein as the driving gear rotates in a first direction or a second direction, the switching member is switched between a third position at which the switching member is connected to the gear portion to move the movable member from the second position to the first position and a fourth position at which the switching member is spaced apart from the gear portion to allow the movable member to move from the first position to the second posType: ApplicationFiled: July 31, 2018Publication date: November 22, 2018Applicant: HP Printing Korea Co., LTD.Inventors: Ho-jin Jang, Young-chae Kim, Yun-kyu Sim, Gun-soo Chang
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Publication number: 20180188682Abstract: Disclosed is a development cartridge attachable/detachable to/from a main body of an image forming apparatus. The development cartridge includes at least a photosensitive drum to form an electrostatic latent image thereon or a developer roller to develop the electrostatic latent image by supplying a developer to the photosensitive drum, a housing to support the at least one photosensitive drum or the developer roller. A developer roller gear may be provided on a rotation shaft of the developer roller to connect to a driving gear of the main body when the development cartridge is attached to the main body, and a driven coupler provided at an end of the photosensitive drum to couple to a driving coupler located coaxially with the driving gear in the main body, based on shaft coupling when the development cartridge is attached to the main body.Type: ApplicationFiled: March 1, 2018Publication date: July 5, 2018Applicant: S-PRINTING SOLUTION CO., LTD.Inventors: Young Chae Kim, Junhui KIM, Jin-Hong KIM, Ji-Won MOON, Yun Kyu SHIM, Sungwook KANG, Sunggi KIM
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Publication number: 20180046129Abstract: Provided is a development cartridge capable of being detachably attached to a main body of an image forming apparatus, the development cartridge including a developing roller; a driving power receiving member configured to rotate in a first direction or a second direction by receiving a driving power from the main body; and a power delivery member configured to connect the driving power receiving member to the developing roller and to deliver only torque of the driving power receiving member in the first direction to the developing roller.Type: ApplicationFiled: February 24, 2017Publication date: February 15, 2018Applicant: S-PRINTING SOLUTION CO., LTD.Inventors: Yun-kyu SIM, Young-chae Kim, Gun-soo Chang, Ho-jin Jang
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Patent number: D832340Type: GrantFiled: March 31, 2017Date of Patent: October 30, 2018Assignee: S-Printing Solution Co., Ltd.Inventors: Seong-Woong Yang, Jong-In Kim, Yun-Kyu Shim, Sang-Hoon Lee, Seung-Gweon Lee, Ho-Jin Jang, Woong-Yong Choi, Jin-Hwa Hong
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Patent number: D833519Type: GrantFiled: March 31, 2017Date of Patent: November 13, 2018Assignee: S-Printing Solution Co., Ltd.Inventors: Seong-Woong Yang, Jong-In Kim, Yun-Kyu Shim, Sang-Hoon Lee, Seung-Gweon Lee, Ho-Jin Jang, Woong-Yong Choi, Jin-Hwa Hong
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Patent number: D833520Type: GrantFiled: March 31, 2017Date of Patent: November 13, 2018Assignee: S-Printing Solution Co., Ltd.Inventors: Seong-Woong Yang, Jong-In Kim, Yun-Kyu Shim, Sang-Hoon Lee, Seung-Gweon Lee, Ho-Jin Jang, Woong-Yong Choi, Jin-Hwa Hong
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Patent number: D850944Type: GrantFiled: December 15, 2017Date of Patent: June 11, 2019Assignee: INCHEON SURVEY INSTRUMENT CO., LTD.Inventors: Hi Song Eun, Dae Hyun Lee, Yun Kyu Lee, Hee Chul Shin
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Patent number: D883824Type: GrantFiled: November 10, 2018Date of Patent: May 12, 2020Assignee: Incheon Survey Instrument Co., LtdInventors: Dae Hyun Lee, Yun Kyu Lee