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).

  • Patent number: 11978803
    Abstract: 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: Grant
    Filed: May 25, 2021
    Date of Patent: May 7, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Joon Seo, Hoon-Kee Min, Dong-Un Jin, Sung-Guk An
  • Publication number: 20240097425
    Abstract: 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: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Inventors: Dong-Jin KIM, Wan-Sung KWON, Sang-Won SEO, Yeong-Sin PARK, Sung-Joon LEE, Jae-Sang YOO
  • Patent number: 11927890
    Abstract: 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: Grant
    Filed: August 22, 2022
    Date of Patent: March 12, 2024
    Assignee: 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
  • Publication number: 20230422547
    Abstract: 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: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
  • Patent number: 11793028
    Abstract: 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: Grant
    Filed: May 12, 2022
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
  • Publication number: 20220407034
    Abstract: 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: Application
    Filed: May 12, 2022
    Publication date: December 22, 2022
    Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
  • Patent number: 11335889
    Abstract: 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: Grant
    Filed: October 26, 2020
    Date of Patent: May 17, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
  • Publication number: 20220018022
    Abstract: 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: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Applicants: 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
  • Publication number: 20210288173
    Abstract: 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: Application
    Filed: May 25, 2021
    Publication date: September 16, 2021
    Inventors: Sang-Joon Seo, Hoon-Kee Min, Dong-Un Jin, Sung-Guk An
  • Publication number: 20210050556
    Abstract: 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: Application
    Filed: October 26, 2020
    Publication date: February 18, 2021
    Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
  • Patent number: 10854847
    Abstract: 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: Grant
    Filed: July 23, 2019
    Date of Patent: December 1, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
  • Publication number: 20200048763
    Abstract: A multilayer encapsulation thin-film and a method and apparatus for preparing a multilayer encapsulation thin-film are provided.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Applicants: 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
  • Publication number: 20190348635
    Abstract: 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: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: Jin-Kwang KIM, Sang-Joon SEO, Seung-Hun KIM, Seongmin WANG
  • Patent number: 10396312
    Abstract: 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: Grant
    Filed: December 13, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
  • Publication number: 20190048469
    Abstract: 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: Application
    Filed: October 9, 2018
    Publication date: February 14, 2019
    Inventors: Sang-Joon Seo, Jae-Eung Oh
  • Patent number: 10125423
    Abstract: 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: Grant
    Filed: March 23, 2015
    Date of Patent: November 13, 2018
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Sang-Joon Seo, Jae-Eung Oh
  • Publication number: 20180108866
    Abstract: 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: Application
    Filed: December 13, 2017
    Publication date: April 19, 2018
    Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
  • Patent number: 9932672
    Abstract: 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: Grant
    Filed: January 6, 2015
    Date of Patent: April 3, 2018
    Assignee: 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
  • Patent number: 9853245
    Abstract: 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: Grant
    Filed: January 29, 2015
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Kwang Kim, Sang-Joon Seo, Seung-Hun Kim, Seongmin Wang
  • Patent number: 9623633
    Abstract: 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: Grant
    Filed: October 28, 2013
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Woong Kim, Sung-Guk An, Dong-un Jin, Hyung-Sik Kim, Young-Gu Kim, Sang-Joon Seo