Patents by Inventor Sang Joon Seo
Sang Joon Seo 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: 11978803Abstract: A substrate for a flexible display is disclosed. The substrate has a film stress range that does not affect an electronic device such as a thin film transistor, and includes a barrier layer having excellent oxygen and moisture blocking characteristics, and a method of manufacturing the substrate. The substrate includes; a plastic substrate having a glass transition temperature from about 350° C. to about 500° C.; and a barrier layer disposed on the plastic substrate, having a inti layer structure, wherein at least one silicon oxide layer and at least one silicon nitride layer are alternately stacked on each other, and having a film stress from about ?200 MPa to about 200 MPa due to the at least one silicon oxide layer and the at least one silicon nitride layer.Type: GrantFiled: May 25, 2021Date of Patent: May 7, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Joon Seo, Hoon-Kee Min, Dong-Un Jin, Sung-Guk An
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Publication number: 20240097425Abstract: A lightning rod with an electric double layer and electric dipole moment type discharge amplification function, the lightning rod including: a support member (100) for moving a lightning current to the ground; an emission member (200) fitted to the support member (100) to collect charges of the ground according to the approach of a thundercloud and thus emit a large number of ions with the opposite polarity to the polarity of the thundercloud; ground charge chargers (300) fitted to the support member (100) and having spaces formed therein to charge the charges of the ground; an insulation member (400) disposed on top of the emission member (200); and discharge induction members (500) fixedly disposed on top and underside of the emission member (200) by means of the insulation member (400).Type: ApplicationFiled: November 22, 2023Publication date: March 21, 2024Inventors: Dong-Jin KIM, Wan-Sung KWON, Sang-Won SEO, Yeong-Sin PARK, Sung-Joon LEE, Jae-Sang YOO
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Patent number: 11927890Abstract: A substrate processing apparatus includes a photoresist coater applying a photoresist film on a substrate, a humidifier increasing an amount of moisture in an ambient to which the photoresist film on the substrate is exposed, and an exposer irradiating the photoresist film exposed to the ambient having the increased amount of moisture with light. The humidifier is disposed between the photoresist coater and the exposer.Type: GrantFiled: August 22, 2022Date of Patent: March 12, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok Heo, Cha Won Koh, Sang Joon Hong, Hyun Woo Kim, Kyung-Won Kang, Dong-Wook Kim, Kyung Won Seo, Young Il Jang, Yong Suk Choi
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Publication number: 20230422547Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: ApplicationFiled: September 11, 2023Publication date: December 28, 2023Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
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Patent number: 11793028Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: GrantFiled: May 12, 2022Date of Patent: October 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
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Publication number: 20220407034Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: ApplicationFiled: May 12, 2022Publication date: December 22, 2022Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
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Patent number: 11335889Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: GrantFiled: October 26, 2020Date of Patent: May 17, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
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Publication number: 20220018022Abstract: A multilayer encapsulation thin-film and a method and apparatus for preparing a multilayer encapsulation thin-film are provided. The multilayer encapsulation thin-film includes an inorganic thin film that includes a metal oxide, and an organic thin film that includes a polymer and is formed on the inorganic thin film, where the inorganic thin film and the organic thin film are alternately stacked in multiple layers.Type: ApplicationFiled: October 1, 2021Publication date: January 20, 2022Applicants: Research & Business Foundation Sungkyunkwan University, Samsung Display Co., Ltd.Inventors: Choelmin JANG, Sungmin CHO, Ho Kyoon CHUNG, Heeyeop CHAE, Sang Joon SEO, Seung Woo SEO
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Publication number: 20210288173Abstract: A substrate for a flexible display is disclosed. The substrate has a film stress range that does not affect an electronic device such as a thin film transistor, and includes a barrier layer having excellent oxygen and moisture blocking characteristics, and a method of manufacturing the substrate. The substrate includes; a plastic substrate having a glass transition temperature from about 350° C. to about 500° C.; and a barrier layer disposed on the plastic substrate, having a inti layer structure, wherein at least one silicon oxide layer and at least one silicon nitride layer are alternately stacked on each other, and having a film stress from about ?200 MPa to about 200 MPa due to the at least one silicon oxide layer and the at least one silicon nitride layer.Type: ApplicationFiled: May 25, 2021Publication date: September 16, 2021Inventors: Sang-Joon Seo, Hoon-Kee Min, Dong-Un Jin, Sung-Guk An
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Publication number: 20210050556Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: ApplicationFiled: October 26, 2020Publication date: February 18, 2021Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
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Patent number: 10854847Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer, an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: GrantFiled: July 23, 2019Date of Patent: December 1, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
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Publication number: 20200048763Abstract: A multilayer encapsulation thin-film and a method and apparatus for preparing a multilayer encapsulation thin-film are provided.Type: ApplicationFiled: October 16, 2019Publication date: February 13, 2020Applicants: Research & Business Foundation Sungkyunkwan University, Samsung Display Co., Ltd.Inventors: Choelmin JANG, Sungmin CHO, Ho Kyoon CHUNG, Heeyeop CHAE, Sang Joon SEO, Seung Woo SEO
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Publication number: 20190348635Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer, an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: ApplicationFiled: July 23, 2019Publication date: November 14, 2019Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
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Patent number: 10396312Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: GrantFiled: December 13, 2017Date of Patent: August 27, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
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Publication number: 20190048469Abstract: A vapor deposition apparatus efficiently performs a deposition process to form a thin film with improved characteristics on a substrate, and a method manufactures an organic light-emitting display apparatus by using such vapor deposition apparatus. The vapor deposition apparatus includes a body including an upper member and a lateral member coupled to the upper member; a receiving portion disposed to face one side of the lateral member; a stage disposed in the receiving portion and supporting the substrate; a plurality of first injection portions disposed in the lateral member and injecting at least one gas into a space between the lateral member and the upper member; a second injection portion disposed in the upper member and injecting at least one gas into the space between the lateral member and the upper member; and a plasma generating portion including a coil and a power source connected to the coil.Type: ApplicationFiled: October 9, 2018Publication date: February 14, 2019Inventors: Sang-Joon Seo, Jae-Eung Oh
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Patent number: 10125423Abstract: A vapor deposition apparatus efficiently performs a deposition process to form a thin film with improved characteristics on a substrate, and a method manufactures an organic light-emitting display apparatus by using such vapor deposition apparatus. The vapor deposition apparatus includes a body including an upper member and a lateral member coupled to the upper member; a receiving portion disposed to face one side of the lateral member; a stage disposed in the receiving portion and supporting the substrate; a plurality of first injection portions disposed in the lateral member and injecting at least one gas into a space between the lateral member and the upper member; a second injection portion disposed in the upper member and injecting at least one gas into the space between the lateral member and the upper member; and a plasma generating portion including a coil and a power source connected to the coil.Type: GrantFiled: March 23, 2015Date of Patent: November 13, 2018Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA CampusInventors: Sang-Joon Seo, Jae-Eung Oh
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Publication number: 20180108866Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.Type: ApplicationFiled: December 13, 2017Publication date: April 19, 2018Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
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Patent number: 9932672Abstract: A vapor deposition apparatus includes a stage on which a substrate is mounted; a heater unit that is disposed at a side of the stage and includes a first heater and a second heater, wherein the first heater and the second heater are movable so that the first heater and the second heater are spaced apart from each other or are disposed adjacent to each other; and a nozzle unit that is disposed at a side opposite to the side at which the heater unit is disposed about the stage and includes one or more nozzles.Type: GrantFiled: January 6, 2015Date of Patent: April 3, 2018Assignee: Samsung Display Co., Ltd.Inventors: Choel-Min Jang, Myung-Soo Huh, Jeong-Ho Yi, Cheol-Rae Jo, Sang-Joon Seo, Seung-Hun Kim, Jin-Kwang Kim
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Patent number: 9853245Abstract: An organic light emitting diode (OLED) display includes: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the metal oxide layer and covering a relatively larger area than the metal oxide layer; a first organic layer formed on the first inorganic layer and covering a relatively smaller area than the first inorganic layer; and a second inorganic layer formed on the first organic layer, covering a relatively larger area than the first organic layer, and contacting the first inorganic layer at an edge of the second inorganic layer.Type: GrantFiled: January 29, 2015Date of Patent: December 26, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
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Patent number: 9623633Abstract: A flexible display comprises a flexible substrate made of plastic material, a display element on a first surface of the flexible substrate, and a surface residual film containing at least one of a metal material or a metal oxide material. The surface residual film is bonded to at least a part of a second surface of the flexible substrate. The second surface is opposed to the first surface. A method for manufacturing a flexible display comprises preparing a glass substrate, forming adhesive material film on the glass substrate, the adhesive material film being made of at least one of a metal material or a metal oxide material, and forming a flexible substrate from plastic material on the adhesive material film.Type: GrantFiled: October 28, 2013Date of Patent: April 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Tae-Woong Kim, Sung-Guk An, Dong-un Jin, Hyung-Sik Kim, Young-Gu Kim, Sang-Joon Seo