Patents by Inventor Yeon-keun Lee

Yeon-keun Lee 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: 9716242
    Abstract: Provided are a substrate for an organic electronic device (OED), an organic electronic device, a method of manufacturing the substrate or OED, and lighting. The substrate for an OED may be increased in durability by preventing penetration of external materials such as moisture or oxygen, and thus form an OED having excellent light extraction efficiency. In addition, since the substrate may be stably attached to an encapsulating structure sealing the OED, the device may have excellent durability with respect to abrasion of an electrode layer or pressure applied from an external environment. In addition, a surface hardness of an external terminal of the OED may be maintained at a suitable level.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: July 25, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Young Eun Kim, Jong Seok Kim, Young Kyun Moon, Jin Ha Hwang, Yeon Keun Lee, Sang Jun Park, Yong Nam Kim
  • Patent number: 9666830
    Abstract: Disclosed is an organic light emitting device (OLED) that may include a first electrode including at least two conductive units that are immediately adjacent to each other; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode; and an auxiliary electrode electrically connected to the first electrode, the auxiliary electrode including at least two branch points that are immediately adjacent to each other, each branch point having at least three branches, wherein a resistance between the at least two branch points is 35? or less, and wherein a resistance between the at least two conductive units is 2,000? or more and 600,000? or less.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: May 30, 2017
    Assignee: LG DISPLAY, CO., LTD.
    Inventors: Yeon Keun Lee, Sang Jun Park, Yongnam Kim
  • Patent number: 9666827
    Abstract: The present invention relates to an organic light-emitting element and a production method thereof. Specifically, the present invention relates to an organic light-emitting element, which has excellent productivity during mass production thereof and may allow simplification of vapor deposition equipment, and the like, and a production method thereof.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: May 30, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun Lee, Minsoo Kang, Jong-Seok Kim
  • Publication number: 20170149013
    Abstract: Disclosed is an organic light emitting device (OLED) that may include a first electrode on a substrate, the first electrode having a pattern of a plurality of cells, with each cell defined with an emitting area and a non-emitting area; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode; a short-circuit preventing layer contacting at least a portion of the first electrode; and an auxiliary electrode on the short-circuit preventing layer in the non-emitting area of each cell, wherein an aperture ratio of the short-circuit preventing layer and the auxiliary electrode in each cell is 30% or more.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 25, 2017
    Inventor: Yeon Keun LEE
  • Publication number: 20170141344
    Abstract: An embodiment of the present specification provides an organic light emitting device including: a first electrode; a second electrode provided opposite to the first electrode; one or more organic material layers provided between the first electrode and the second electrode; an auxiliary electrode provided in the first electrode; and a short circuit prevention layer provided between the first electrode and the auxiliary electrode, wherein the short circuit prevention layer has a resistance value which is greater at 50 or more ° C. than 25° C. The organic light emitting device controls the amount of leakage current when a short circuit defect occurs, thereby solving a problem where a device does not overall operate. The organic light emitting device stably operates without an increase in the amount of leakage current.
    Type: Application
    Filed: May 15, 2015
    Publication date: May 18, 2017
    Inventors: Junhyuk JANG, Yeon Keun LEE
  • Publication number: 20170133634
    Abstract: The present application relates to a plastic substrate, a method for producing same, an organic electronic device, and display light source and lighting apparatus. The plastic substrate according to the present application has superb light extraction efficiency and exhibits an excellent surface roughness characteristic. Furthermore, the method for producing the plastic substrate according to the present application can produce the plastic substrate by means of a process in which scattering components are added secondarily. Moreover, the plastic substrate according to the present application can be utilized as a substrate for an organic electronic device, and the organic electronic device can be utilized as display light source and lighting apparatus.
    Type: Application
    Filed: August 28, 2015
    Publication date: May 11, 2017
    Inventors: Sang Jun PARK, Yeon Keun LEE, Yong Nam KIM, Hye Won JEONG, Bo Ra SHIN
  • Publication number: 20170117350
    Abstract: The present specification relates to an organic light emitting device.
    Type: Application
    Filed: March 13, 2015
    Publication date: April 27, 2017
    Inventors: Junhyuk JANG, Yeon Keun LEE
  • Patent number: 9601555
    Abstract: Disclosed is an organic light emitting device (OLED) that may include a first electrode on a substrate, the first electrode having a pattern of a plurality of cells, with each cell defined with an emitting area and a non-emitting area; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode; a short-circuit preventing layer contacting at least a portion of the first electrode; and an auxiliary electrode on the short-circuit preventing layer in the non-emitting area of each cell, wherein an aperture ratio of the short-circuit preventing layer and the auxiliary electrode in each cell is 30% or more.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: March 21, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Yeon Keun Lee
  • Publication number: 20170077438
    Abstract: Disclosed is an organic light emitting device.
    Type: Application
    Filed: May 15, 2015
    Publication date: March 16, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun LEE, Seongsu JANG, Jin Ha HWANG, Young Eun KIM
  • Patent number: 9583721
    Abstract: Provided are a substrate for an organic electronic device, an organic electronic device and lighting. As a substrate for an OED such as an OLED, a substrate capable of providing an organic electronic system having excellent performance and reliability may be provided.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: February 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Min Choon Park, Yeon Keun Lee, Yong Sik Ahn, Jung doo Kim, Sang Jun Park, Yong Nam Kim
  • Patent number: 9537098
    Abstract: The present invention relates to a substrate for an organic electrode device, a manufacturing method thereof, and an organic electronic device. An exemplary substrate of the invention, if an organic light emitting element is formed on an upper part of the substrate, can obtain luminance with high emission and uniformity by efficiently controlling the surface resistance of an electrode even when the device is configured into larger sizes.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: January 3, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun Lee, Kyoung Sik Moon, Seong Soo Jang, Yong Sik Ahn, Jung Doo Kim, Min Choon Park, Jung Bum Kim
  • Patent number: 9537097
    Abstract: The present invention relates to a substrate for an organic electrode device, a manufacturing method thereof, and an organic electronic device. An exemplary substrate of the invention, if an organic light emitting element is formed on an upper part of the substrate, can obtain luminance with high emission and uniformity by efficiently controlling the surface resistance of an electrode even when the device is configured into larger sizes.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: January 3, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun Lee, Kyoung Sik Moon, Seong Soo Jang, Yong Sik Ahn, Jung Doo Kim, Min Choon Park, Jung Bum Kim
  • Patent number: 9530979
    Abstract: The present application relates to a substrate for an organic electronic device (OED), an organic electronic device, a method of manufacturing the substrate or OED and lighting device. The substrate for an OED of the present application may be improved in durability by preventing penetration of external materials such as moisture or oxygen, and thus an OED having excellent light extraction efficiency may be formed. Also, since the substrate may be stably attached to an encapsulating structure sealing the OED, the device may have excellent durability with respect to abrasion of an electrode layer or pressure applied from an external environment. In addition, a surface hardness of an external terminal of the OED may be maintained at a suitable level.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: December 27, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Young Eun Kim, Jong Seok Kim, Young Kyun Moon, Jin Ha Hwang, Yeon Keun Lee, Sang Jun Park, Yong Nam Kim
  • Patent number: 9472598
    Abstract: The present invention relates to an organic light-emitting element comprising a first electrode, a second electrode, and an organic layer interposed between said first electrode and said second electrode, and to a light-emitting device including the same, wherein in the organic light-emitting element, a connection electrode for electrically connecting two or more elements in serial is formed on a non-light-emitting surface of said organic light-emitting element. The invention can electrically connect a plurality of organic light-emitting elements easily, and can be implemented as a large-scale lighting or display device or the like.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: October 18, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun Lee, Kyoung Sik Moon, Seong Su Jang
  • Patent number: 9461275
    Abstract: The present application relates to a substrate for an organic electronic device, an organic electronic device, a method of preparing the substrate or the device, and a lighting apparatus. The substrate for an organic electronic device of the present application may, for example, be used to fabricate an organic electronic device, to which foreign substances such as moisture and oxygen are not permeated, and which has enhanced durability and superior light extraction efficiency. If the organic electronic device includes an encapsulation structure, the substrate may be stably attached to the encapsulation structure, and a surface hardness of outside connector part of the organic electronic device may be maintained to an appropriate level.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: October 4, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun Lee, Yong Sik Ahn, Jung Doo Kim, Min Choon Park, Ji Hee Kim
  • Patent number: 9448339
    Abstract: The present invention relates to a substrate for an organic electronic element that enables surface resistance to be reduced and light-extraction efficiency improved, the substrate including: a base substrate; a scattering layer which is formed on the base substrate and includes an conductive pattern for reducing the surface resistance of an electrode, scattering particles for scattering light and a binder, and which forms an uneven structure in the surface opposite the base substrate; and a planarizing layer which is formed on the scattering layer and flattens the surface undulations caused by the uneven structure of the scattering layer, wherein the refractive index (Na) of the scattering particles and the refractive index (Nb) of the planarizing layer satisfy the relationship in formula 1 below. [Formula 1] |Na—Nb|?0.3. In the formula as used herein, Na signifies the refractive index of the scattering particles and Nb signifies the refractive index of the planarizing layer.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: September 20, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seong Su Jang, Yeon Keun Lee, Kyoung Sik Moon, Min Soo Kang
  • Patent number: 9391301
    Abstract: Provided are a substrate for an organic electronic device (OED), an organic electronic system, and a light. The substrate capable of forming an OED ensuring excellent performances and reliability because it may have excellent performances including light extraction efficiency, permeation of moisture or a gas from an external environment may be inhibited, and growth of dark spots may be controlled may be provided.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: July 12, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Min Choon Park, Se Hwan Son, Yeon Keun Lee, Yong Sik Ahn, Jung Doo Kim, Ji Hee Kim, Sang Jun Park, Yong Nam Kim
  • Patent number: 9349981
    Abstract: Provided are a substrate for an organic electronic device (OED), an organic electronic system, a method of manufacturing the substrate or the system, and lighting. The substrate for an OED may be increased in durability by preventing penetration of an external material such as moisture or oxygen, and thus an organic electronic system having excellent light extraction efficiency may be formed. In addition, since the substrate may be stably attached to an encapsulating structure sealing the organic electronic system, the device may have excellent durability with respect to abrasion of an electrode layer or pressure applied from an external environment. In addition, a surface hardness of an external terminal of the organic electronic system may be maintained at a suitable level.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: May 24, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Young Eun Kim, Jong Seok Kim, Young Kyun Moon, Jin Ha Hwang, Yeon Keun Lee, Sang Jun Park, Yong Nam Kim
  • Publication number: 20160072092
    Abstract: Disclosed is an organic light emitting device (OLED) that may include a first electrode including at least two conductive units, each of the at least conductive unit connected to a conductive connector of the first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode; an auxiliary electrode electrically connected to the conductive connector; and an insulating layer between the conductive connector and the auxiliary electrode, wherein the conductive connector overlaps the auxiliary electrode, with the insulating layer therebetween.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 10, 2016
    Inventors: Yeon Keun LEE, Sang Jun PARK, Yongnam KIM
  • Patent number: 9257675
    Abstract: A substrate including a base substrate; a scattering layer which is formed on the base substrate, includes a binder and scattering particles for scattering light, and has an uneven structure formed on a surface thereof opposite the base substrate; and a planarizing layer which is formed on the scattering layer and has a flat surface formed thereon, is provided. Here, the refractive index Na of the scattering particles and the refractive index Nb of the planarizing layer satisfy the expression |Na?Nb|?0.3, an organic electronic device including the substrate, and a method of manufacturing the same are provided. Light-extraction efficiency can be improved and the manufacturing process can be simplified without degrading device performance.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: February 9, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Seong Su Jang, Yeon Keun Lee, Kyoung Sik Moon, Se Hwan Son