Patents by Inventor Kyungmin Yoon
Kyungmin Yoon 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: 10462856Abstract: A high frequency heating apparatus which heats a substrate by applying high frequency waves thereto. The high frequency heating apparatus includes a high frequency generator which generates high frequency to heat the substrate. The distance from the substrate to the high frequency generator is n/2*?, where n is a natural number ranging from 1 to 6, and ? is the wavelength of the high frequency that is generated by the high frequency generator.Type: GrantFiled: March 5, 2013Date of Patent: October 29, 2019Assignee: Corning Precision Materials Co., Ltd.Inventors: Hoikwan Lee, Kyungmin Yoon, Seo-Yeong Cho
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Patent number: 9425430Abstract: An organic light-emitting device (OLED) which can improve the light extraction efficiency of the OLED, a method of fabricating the same and an OLED including the same. The light extraction substrate is disposed on one surface of an OLED through which light generated from the OLED is emitted outward, and includes a base substrate and a light extraction layer formed on the base substrate. The light extraction layer has therein a plurality of pores which is formed on the base substrate such that the base substrate forms a bottom surface of the plurality of pores.Type: GrantFiled: May 8, 2014Date of Patent: August 23, 2016Assignee: Corning Precision Materials Co., Ltd.Inventors: Kiyeon Lee, Kyungmin Yoon, Youngseok Lee, Jaeho Lee
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Patent number: 9221714Abstract: An apparatus for chemically toughening glass which can toughen the surface of the glass by inducing compressive stress on the glass surface through ion exchange and a method of chemically toughening glass using the same. The apparatus includes a chemical toughening bath which chemically toughens the glass; a transportation part which transports the glass from upstream of the chemical toughening bath through the chemical toughening bath to downstream of the chemical toughening bath; and a microwave generator disposed above the chemical toughening bath, the microwave generator radiating microwaves to the glass.Type: GrantFiled: October 31, 2013Date of Patent: December 29, 2015Assignee: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Hoikwan Lee, Jaeho Lee, Kyungmin Yoon, Seo-Yeong Cho
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Patent number: 9034565Abstract: A substrate for an organic light-emitting device which can improve the light extraction efficiency of an organic light-emitting device while realizing an intended level of transmittance, a method of fabricating the same, and an organic light-emitting device having the same. Light emitted from the OLED is emitted outward through the substrate. The substrate includes a substrate body and a number of crystallized particles disposed inside the substrate body, the number of crystallized particles forming a pattern inside the substrate body.Type: GrantFiled: May 2, 2014Date of Patent: May 19, 2015Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Kiyeon Lee, Jhee-Mann Kim, Youngseok Lee, Kyungmin Yoon, Jaeho Lee
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Patent number: 9030664Abstract: An apparatus for measuring transmissivity of a patterned glass substrate. A beam radiator radiates a laser beam. A collimation lens collimates the laser beam radiated from the laser beam radiator. A beam expander expands a size of the laser beam collimated by the collimation lens. A detector has a light-receiving section, which receives the laser beam that has passed through the patterned glass substrate after having been expanded by the beam expander. A measuring instrument measures a transmissivity of the patterned glass substrate using the laser beam received by the detector.Type: GrantFiled: December 22, 2011Date of Patent: May 12, 2015Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Kyungwook Park, YoonYoung Kwon, Jaeyoung Choi, Jongsung Lee, Hoikwan Lee, Seo-Yeong Cho, Kyungmin Yoon
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Patent number: 8893525Abstract: An apparatus for manufacturing tempered glass. A transportation unit transports a glass substrate that is intended to be tempered. An ionizer ionizes alkali oxides in the glass substrate by radiating energy onto the glass substrate. A dielectric heating unit increases the temperature of the inner portion of the glass substrate in which the alkali oxides are ionized by the ionizer.Type: GrantFiled: December 27, 2011Date of Patent: November 25, 2014Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Hoikwan Lee, Seo-Yeong Cho, Yoon Young Kwon, Kyungwook Park, Kyungmin Yoon, Jongsung Lee, Jaeyoung Choi, Gennady Kizevich
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Publication number: 20140335637Abstract: An organic light-emitting device (OLED) which can improve the light extraction efficiency of the OLED, a method of fabricating the same and an OLED including the same. The light extraction substrate is disposed on one surface of an OLED through which light generated from the OLED is emitted outward, and includes a base substrate and a light extraction layer formed on the base substrate. The light extraction layer has therein a plurality of pores which is formed on the base substrate such that the base substrate forms a bottom surface of the plurality of pores.Type: ApplicationFiled: May 8, 2014Publication date: November 13, 2014Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Kiyeon Lee, Kyungmin Yoon, Youngseok Lee, Jaeho Lee
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Publication number: 20140334160Abstract: A light extraction substrate for an organic light-emitting device (OLED) which can improve the light extraction efficiency of an OLED, a method of fabricating the same and an OLED including the same. The light extraction substrate is disposed on one surface of an OLED through which light generated from the OLED is emitted outward. The light extraction substrate includes a base substrate, a light extraction layer disposed on the base substrate, and a number of crystallization particles disposed inside the light extraction layer. The light extraction layer is made of a glass frit that has a composition including ZnO, B2O3, SiO2, MgO and Bi2O3.Type: ApplicationFiled: May 8, 2014Publication date: November 13, 2014Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Kiyeon Lee, Kyungmin Yoon, Youngseok Lee, Jaeho Lee
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Publication number: 20140329180Abstract: A substrate for an organic light-emitting device which can improve the light extraction efficiency of an organic light-emitting device while realizing an intended level of transmittance, a method of fabricating the same, and an organic light-emitting device having the same. Light emitted from the OLED is emitted outward through the substrate. The substrate includes a substrate body and a number of crystallized particles disposed inside the substrate body, the number of crystallized particles forming a pattern inside the substrate body.Type: ApplicationFiled: May 2, 2014Publication date: November 6, 2014Applicant: Samsung Corning Precision Materials Co., Ltd.Inventors: Kiyeon Lee, Jhee-Mann Kim, Youngseok Lee, Kyungmin Yoon, Jaeho Lee
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Publication number: 20140116090Abstract: An apparatus for chemically toughening glass which can toughen the surface of the glass by inducing compressive stress on the glass surface through ion exchange and a method of chemically toughening glass using the same. The apparatus includes a chemical toughening bath which chemically toughens the glass; a transportation part which transports the glass from upstream of the chemical toughening bath through the chemical toughening bath to downstream of the chemical toughening bath; and a microwave generator disposed above the chemical toughening bath, the microwave generator radiating microwaves to the glass.Type: ApplicationFiled: October 31, 2013Publication date: May 1, 2014Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Hoikwan LEE, Jaeho LEE, Kyungmin YOON, Seo-Yeong CHO
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Publication number: 20130233848Abstract: A high frequency heating apparatus which heats a substrate by applying high frequency waves thereto. The high frequency heating apparatus includes a high frequency generator which generates high frequency to heat the substrate. The distance from the substrate to the high frequency generator is n/2*?, where n is a natural number ranging from 1 to 6, and ? is the wavelength of the high frequency that is generated by the high frequency generator.Type: ApplicationFiled: March 5, 2013Publication date: September 12, 2013Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Hoikwan LEE, Kyungmin YOON, Seo-Yeong CHO
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Publication number: 20130233847Abstract: A high frequency heating apparatus which heats a substrate by applying high frequency waves. The high frequency heating apparatus includes a high frequency generator which generates high frequency to heat the substrate and a reflector which reflects the high frequency generated by the high frequency generator toward the substrate.Type: ApplicationFiled: March 5, 2013Publication date: September 12, 2013Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Hoikwan Lee, Kyungmin Yoon, Seo-Yeong Cho, Yoon Young Kwon, Jinsu Nam, Kyungwook Park, Jaeyoung Choi
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Publication number: 20130047673Abstract: A method of tempering glass and an apparatus for tempering glass, in which a heater is used and high frequency is generated. The method includes a heating step of heating a piece of glass using a heater and a high frequency generator and a cooling step of cooling the piece of glass by quenching.Type: ApplicationFiled: August 27, 2012Publication date: February 28, 2013Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Hoikwan Lee, Kyungmin Yoon, Seo-Yeong Cho, YoonYoung Kwon, Jinsu Nam, Kyungwook Park, Jaeyoung Choi
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Publication number: 20120167630Abstract: An apparatus for manufacturing tempered glass. A transportation unit transports a glass substrate that is intended to be tempered. An ionizer ionizes alkali oxides in the glass substrate by radiating energy onto the glass substrate. A dielectric heating unit increases the temperature of the inner portion of the glass substrate in which the alkali oxides are ionized by the ionizer.Type: ApplicationFiled: December 27, 2011Publication date: July 5, 2012Inventors: Hoikwan LEE, Seo-Yeong CHO, Yoon Young KWON, Kyungwook PARK, Kyungmin YOON, Jongsung LEE, Jaeyoung CHOI, Gennady KIZEVICH
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Publication number: 20120167626Abstract: An apparatus for manufacturing tempered glass. A heating unit heats a glass substrate that is intended to be tempered. A pattern-forming unit forms a pattern on a surface of the glass substrate heated by the heating unit. A dielectric heating unit increases the temperature of the inner portion of the glass substrate, on which the pattern is formed by the pattern-forming unit. A cooling unit cools the glass substrate, the inside temperature of which is increased by the dielectric heating unit.Type: ApplicationFiled: December 28, 2011Publication date: July 5, 2012Inventors: Hoikwan Lee, Seo-Yeong Cho, YoonYoung Kwon, Kyungwook Park, Kyungmin Yoon, Jongsung Lee, Jaeyoung Choi, Gennady Kizevich
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Publication number: 20120170040Abstract: An apparatus for measuring transmissivity of a patterned glass substrate. A beam radiator radiates a laser beam. A collimation lens collimates the laser beam radiated from the laser beam radiator. A beam expander expands a size of the laser beam collimated by the collimation lens. A detector has a light-receiving section, which receives the laser beam that has passed through the patterned glass substrate after having been expanded by the beam expander. A measuring section measures a transmissivity of the patterned glass substrate using the laser beam received by the detector.Type: ApplicationFiled: December 22, 2011Publication date: July 5, 2012Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Kyungwook Park, YoonYoung Kwon, Jaeyoung Choi, Jongsung Lee, Hoikwan Lee, Seo-Yeong Cho, Kyungmin Yoon