Patents by Inventor Il Hee Baek
Il Hee Baek 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: 10454071Abstract: The present invention relates to a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same and, more particularly, to a light extraction substrate for an organic light emitting element exhibiting a good light extraction efficiency, a method for manufacturing the same, and an organic light emitting element comprising the same. To this end, the present invention provides a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same, the light extraction substrate comprising a first light extraction layer having a plurality of pores formed therein and made of a first metal oxide doped with a dopant; and a second light extraction layer formed on the first light extraction layer and made of a second metal oxide which has a different atomic diffusion rate compared to the first metal oxide.Type: GrantFiled: November 12, 2014Date of Patent: October 22, 2019Assignee: Corning Precision Materials Co., Ltd.Inventors: Hyun Hee Lee, Hong Yoon, Seo Hyun Kim, Kyoung Wook Park, Jeong Woo Park, June Hyong Park, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Eun Ho Choi
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Patent number: 10100985Abstract: The present invention relates to an organic light-emitting device for lighting, and more specifically relates to an organic light-emitting device for lighting whereby it is possible to achieve excellent brightness by increasing the light-emitting area per unit area of an organic light-emitting element. For this purpose, the present invention provides an organic light-emitting device comprising: a first substrate and a second substrate disposed facing each other; a frame section which is formed between the first substrate and the second substrate, and is formed on the periphery of the first substrate and the second substrate so as to hermetically close the space between the first substrate and the second substrate; and a flexible organic light-emitting element which is disposed inside of the space, and of which at least one part has a curved surface.Type: GrantFiled: December 2, 2014Date of Patent: October 16, 2018Assignee: Corning Precision Materials Co., Ltd.Inventors: Kyoung Wook Park, June Hyong Park, Hong Yoon, Seo Hyun Kim, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Hyun Hee Lee, Eun Ho Choi
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Patent number: 9825257Abstract: A light extraction substrate for an organic light-emitting device (OLED) which can improve the brightness of a display or an illumination system to which an OLED is applied by improving light extraction efficiency and a method of manufacturing the same. The light extraction substrate for an OLED includes an oxide or nitride thin film formed on a substrate body. The oxide or nitride thin film includes a base layer formed on the substrate body, a first texture formed on the base layer, the first texture having a plurality of first protrusions which protrude continuously or discontinuously from the base layer, and a second texture having a plurality of second protrusions which protrude continuously or discontinuously from each outer surface of the first protrusions.Type: GrantFiled: June 11, 2013Date of Patent: November 21, 2017Assignee: Corning Precision Materials Co., Ltd.Inventors: June Hyoung Park, Young Zo Yoo, Tae Jung Park, Seo Hyun Kim, Il Hee Baek, Gun Sang Yoon, Eun Ho Choi
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Publication number: 20170263893Abstract: The present invention relates to a method for manufacturing a light extraction substrate for an organic light-emitting diode and, more specifically, to a method for manufacturing a light extraction substrate for an organic light-emitting diode, which can improve light extraction efficiency of an organic light-emitting diode and can also remarkably reduce a manufacturing process, manufacturing costs, and manufacturing time.Type: ApplicationFiled: September 3, 2015Publication date: September 14, 2017Applicant: Corning Precision Materials Co., Ltd.Inventors: Dong Hyun Kim, Seo Hyun Kim, Eui Soo Kim, Kyoung Wook Park, Il Hee Baek, Chang Min Song, Gun Sang Yoon, Hong Yoon, Joo Young Lee, Hyun Hee Lee, Eun Ho Choi
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Patent number: 9711762Abstract: The present invention relates to a substrate for an organic light-emitting diode, a method for manufacturing the same, and an organic light-emitting diode comprising the same, and more particularly, to a substrate for an organic light-emitting diode, the substrate having excellent productivity and manufacturing efficiency as well as an improved light extraction efficiency, a method for manufacturing the same, and an organic light-emitting diode comprising the same.Type: GrantFiled: August 12, 2014Date of Patent: July 18, 2017Assignee: Corning Precision Materials Co., Ltd.Inventors: Gun Sang Yoon, June Hyong Park, Il Hee Baek
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Publication number: 20160369956Abstract: The present invention relates to an organic light-emitting device for lighting, and more specifically relates to an organic light-emitting device for lighting whereby it is possible to achieve excellent brightness by increasing the light-emitting area per unit area of an organic light-emitting element. For this purpose, the present invention provides an organic light-emitting device comprising: a first substrate and a second substrate disposed facing each other; a frame section which is formed between the first substrate and the second substrate, and is formed on the periphery of the first substrate and the second substrate so as to hermetically close the space between the first substrate and the second substrate; and a flexible organic light-emitting element which is disposed inside of the space, and of which at least one part has a curved surface.Type: ApplicationFiled: December 2, 2014Publication date: December 22, 2016Applicant: Corning Precision Materials Co., Ltd.Inventors: Kyoung Wook Park, June Hyong Park, Hong Yoon, Seo Hyun Kim, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Hyun Hee Lee, Eun Ho Choi
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Publication number: 20160329525Abstract: The present invention relates to a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same and, more particularly, to a light extraction substrate for an organic light emitting element exhibiting a good light extraction efficiency, a method for manufacturing the same, and an organic light emitting element comprising the same. To this end, the present invention provides a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same, the light extraction substrate comprising a first light extraction layer having a plurality of pores formed therein and made of a first metal oxide doped with a dopant; and a second light extraction layer formed on the first light extraction layer and made of a second metal oxide which has a different atomic diffusion rate compared to the first metal oxide.Type: ApplicationFiled: November 12, 2014Publication date: November 10, 2016Applicant: Corning Precision Materials Co., Ltd.Inventors: Hyun Hee Lee, Hong Yoon, Seo Hyun Kim, Kyoung Wook Park, Jeong Woo Park, June Hyong Park, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Eun Ho Choi
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Publication number: 20160197314Abstract: The present invention relates to a substrate for an organic light-emitting diode, a method for manufacturing the same, and an organic light-emitting diode comprising the same, and more particularly, to a substrate for an organic light-emitting diode, the substrate having excellent productivity and manufacturing efficiency as well as an improved light extraction efficiency, a method for manufacturing the same, and an organic light-emitting diode comprising the same.Type: ApplicationFiled: August 12, 2014Publication date: July 7, 2016Applicant: Corning Precision Materials Co., Ltd.Inventors: Gun Sang Yoon, June Hyong Park, Il Hee Baek
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Patent number: 9257312Abstract: A metal oxide thin film substrate which can increase light trapping efficiency and light extraction efficiency, a method of fabricating the same and a photovoltaic cell and organic light-emitting device (OLED) including the same. The metal oxide thin film substrate includes a base substrate, and a metal oxide thin film formed on the base substrate. The metal oxide thin film has voids which are formed inside the metal oxide thin film to scatter light.Type: GrantFiled: August 7, 2013Date of Patent: February 9, 2016Assignee: Corning Precision Materials Co., Ltd.Inventors: YoungZo Yoo, Seo Hyun Kim, June Hyoung Park, Il Hee Baek, Gun Sang Yoon, Hyunhee Lee, Eun Ho Choi
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Patent number: 9118034Abstract: A metal oxide thin film substrate for an organic light-emitting device (OLED) which exhibits superior light extraction efficiency and can be easily fabricated at low cost and a method of fabricating the same and a method of fabricating the same. The metal oxide thin film substrate for an OLED includes a base substrate and a metal oxide thin film formed on the base substrate, the metal oxide thin film being made of a mixture of at least two metal oxides having different refractive indices.Type: GrantFiled: October 9, 2013Date of Patent: August 25, 2015Assignee: Samsung Corning Precision Materials Co., Ltd.Inventors: Joo Young Lee, June Hyoung Park, Young Zo Yoo, Seo Hyun Kim, Jeong Woo Park, Il Hee Baek, Gun Sang Yoon, Hyunhee Lee, Eun Ho Choi
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Publication number: 20140113068Abstract: A method of fabricating a light extraction substrate for an organic light-emitting diode (OLED) with which the scattering distribution of light that is emitted from the OLED can be artificially controlled. The method includes the step of forming a light extraction layer by depositing an inorganic oxide at least twice on a base substrate, thereby controlling a structure of a texture formed on a surface of the light extraction layer.Type: ApplicationFiled: October 22, 2013Publication date: April 24, 2014Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Eun Ho CHOI, June Hyoung PARK, Il Hee BAEK, Young Zo YOO
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Publication number: 20140103336Abstract: A metal oxide thin film substrate for an organic light-emitting device (OLED) which exhibits superior light extraction efficiency and can be easily fabricated at low cost and a method of fabricating the same and a method of fabricating the same. The metal oxide thin film substrate for an OLED includes a base substrate and a metal oxide thin film formed on the base substrate, the metal oxide thin film being made of a mixture of at least two metal oxides having different refractive indices.Type: ApplicationFiled: October 9, 2013Publication date: April 17, 2014Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Joo Young Lee, June Hyoung Park, Young Zo Yoo, Seo Hyun Kim, Jeong Woo Park, Il Hee Baek, Gun Sang Yoon, Hyunhee Lee, Eun Ho Choi
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Publication number: 20140076432Abstract: A gas injector which can inject at a uniform velocity and an injector pipe used for the same. The gas injector includes a body, a gas flow path formed inside the body, the gas flow path extending from one end to the other end in a lengthwise direction of the body, a blade formed inside the body and connected to the gas flow path so as to inject gas, and an injector pipe inserted into the gas flow path. The injector pipe receives the gas from the gas supply, and distributes the gas through a plurality of holes to the gas flow path. The plurality of holes of the injector pipe include a plurality of first holes and a plurality of second holes which are formed along two parallel lines extending in the lengthwise direction of the injector pipe, the first holes alternating with the second holes.Type: ApplicationFiled: September 20, 2013Publication date: March 20, 2014Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventors: Joo Young LEE, Young Zo YOO, Seo Hyun KIM, Jeong Woo PARK, June Hyoung PARK, Il Hee BAEK, Gun Sang YOON, Hyun hee LEE, Eun Ho CHOI
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Publication number: 20140042476Abstract: A metal oxide thin film substrate which can increase light trapping efficiency and light extraction efficiency, a method of fabricating the same and a photovoltaic cell and organic light-emitting device (OLED) including the same. The metal oxide thin film substrate includes a base substrate, and a metal oxide thin film formed on the base substrate. The metal oxide thin film has voids which are formed inside the metal oxide thin film to scatter light.Type: ApplicationFiled: August 7, 2013Publication date: February 13, 2014Applicant: Samsung Corning Precision Materials Co., Ltd.Inventors: YoungZo Yoo, Seo Hyun Kim, June Hyoung Park, Il Hee Baek, Gun Sang Yoon, Hyunhee Lee, Eun Ho Choi
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Publication number: 20130330505Abstract: A light extraction substrate for an organic light-emitting device (OLED) which can improve the brightness of a display or an illumination system to which an OLED is applied by improving light extraction efficiency and a method of manufacturing the same. The light extraction substrate for an OLED includes an oxide or nitride thin film formed on a substrate body. The oxide or nitride thin film includes a base layer formed on the substrate body, a first texture formed on the base layer, the first texture having a plurality of first protrusions which protrude continuously or discontinuously from the base layer, and a second texture having a plurality of second protrusions which protrude continuously or discontinuously from each outer surface of the first protrusions.Type: ApplicationFiled: June 11, 2013Publication date: December 12, 2013Inventors: June Hyoung Park, Young Zo Yoo, Tae Jung Park, Seo Hyun Kim, Il Hee Baek, Gun Sang Yoon, Eun Ho Choi