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).

  • Publication number: 20160027862
    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: Application
    Filed: October 5, 2015
    Publication date: January 28, 2016
    Inventors: Yeon Keun LEE, Sang Jun PARK, Yongnam KIM
  • Publication number: 20160005993
    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 two conductive units connected to a conductive connector of the first electrode; a second electrode facing the first electrode; a current carrying electrode electrically connected to the at least two conductive units, wherein the current carrying electrode includes a current carrying portion of the first electrode connected to the conductive connector of each of the at least two conductive units or an auxiliary electrode formed of a material different from that of the first electrode; and an organic layer between the first electrode and the second electrode; wherein the conductive connector includes an area in which a length of a direction, in which a current substantially flows, is at least ten times longer than a width of a direction vertical to the length of the direction, and wherein a resistance of the conductive connector is 400 ? or more and 300,000 ? or
    Type: Application
    Filed: September 17, 2015
    Publication date: January 7, 2016
    Inventors: Yeon Keun LEE, Sang Jun PARK, Yongnam KIM
  • Publication number: 20150340644
    Abstract: The present invention relates to a transparent conducting film and an organic light emitting device comprising the same. The transparent conducting film according to the present invention has a low surface resistance value, a high front surface transmittance and a low light absorptance. The light emission efficiency of the organic light emitting device according to the present invention may be enhanced by comprising a transparent conducting film having low light absorptance. In particular, the organic light emitting device according to the present invention may additionally comprise an internal light extraction layer to improve the light extraction efficiency, and the loss of light generated by the difference between refractive indices of a transparent electrode and a substrate may be minimized.
    Type: Application
    Filed: November 14, 2012
    Publication date: November 26, 2015
    Inventors: Yeon Keun LEE, Jungdoo KIM, Jihee KIM
  • Publication number: 20150255526
    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: April 30, 2015
    Publication date: September 10, 2015
    Inventor: Yeon Keun LEE
  • Publication number: 20150137109
    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: Application
    Filed: January 27, 2015
    Publication date: May 21, 2015
    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: 9030091
    Abstract: Provided are a substrate for an organic electronic device (OED), an OED, and lighting. The substrate capable of forming an OED ensuring excellent performance and reliability because it has excellent performance including light extraction efficiency, penetration of moisture or a gas from an external environment is inhibited, and growth of dark spots is controlled may be provided.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: May 12, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Min Choon Park, Se Hwan Son, Yeon Keun Lee, Yong Sik Ahn, Jung doo Kim, Ji Hee Kim
  • Publication number: 20150008424
    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: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Inventors: Min Choon PARK, Yeon Keun LEE, Yong Sik AHN, Jung doo KIM, Sang Jun PARK, Yong Nam KIM
  • Publication number: 20140374731
    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: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Inventors: Young Eun KIM, Jong Seok KIM, Young Kyun MOON, Jin Ha HWANG, Yeon Keun LEE, Sang Jun PARK, Yong Nam KIM
  • Publication number: 20140374735
    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: Application
    Filed: September 9, 2014
    Publication date: December 25, 2014
    Inventors: Young Eun Kim, Jong Seok Kim, Young Kyun Moon, Jin Ha Hwang, Yeon Keun Lee, Sang Jun Park, Yong Nam Kim
  • Publication number: 20140374734
    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: Application
    Filed: September 9, 2014
    Publication date: December 25, 2014
    Inventors: Young Eun KIM, Jong Seok KIM, Young Kyun MOON, Jin Ha HWANG, Yeon Keun LEE, Sang Jun PARK, Yong Nam KIM
  • Publication number: 20140225098
    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: Application
    Filed: April 17, 2014
    Publication date: August 14, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Yeon Keun LEE, Yong Sik AHN, Jung Doo KIM, Min Choon PARK, Ji Hee KIM
  • Patent number: 8754852
    Abstract: Disclosed are a light guide plate for a non-contact type coordinate input system, a system including the same, and a non-contact type coordinate input method using the same. More particularly, the present invention relates to a light guide plate for a non-contact type coordinate input system, which eliminates inconvenience of a conventional contact-type coordinate input system inputting coordinates through direct contact, and which can reduce use of sensors and optical loss as much as possible. The present invention also relates to a system including the same, and a non-contact type coordinate input method using the same.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: June 17, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Yeon-Keun Lee, Sang-Hyun Park, Hyun-Seok Choi, Jung-Doo Kim, Su-Rim Lee
  • Publication number: 20140097423
    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: Application
    Filed: December 6, 2013
    Publication date: April 10, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Yeon Keun Lee, Kyoung Sik Moon, Seong Su Jang
  • Patent number: 8687145
    Abstract: An exemplary embodiment of the present invention provides an organic electroluminescent device including a substrate, a first electrode, one or more organic material layers, and a second electrode in a sequentially deposited form, wherein a light scattering layer is provided between the substrate and the first electrode, and includes a cholesteric liquid crystal layer including a liquid crystal vertically aligned to the substrate, and a method for fabricating the same.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: April 1, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Keun Lee, Dae Hee Lee, Moon Soo Park, Yun Hye Hahm, Jung Bum Kim, Mun Kyu Joo
  • Publication number: 20140051207
    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: Application
    Filed: September 25, 2013
    Publication date: February 20, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Yeon Keun LEE, Kyoung Sik Moon, Seong Soo Jang, Yong Sik Ahn, Jung Doo Kim, Min Choon Park, Jung Bum Kim
  • Publication number: 20140048788
    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: Application
    Filed: October 11, 2013
    Publication date: February 20, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Yeon Keun LEE, Kyoung Sik MOON, Seong Soo JANG, Yong Sik AHN, Jung Doo KIM, Min Choon PARK, Jung Bum KIM
  • Publication number: 20140042415
    Abstract: Provided are a substrate for an organic electronic device (OED), an OED, and lighting. The substrate capable of forming an OED ensuring excellent performance and reliability because it has excellent performance including light extraction efficiency, penetration of moisture or a gas from an external environment is inhibited, and growth of dark spots is controlled may be provided.
    Type: Application
    Filed: October 17, 2013
    Publication date: February 13, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Min Choon PARK, Se Hwan SON, Yeon Keun LEE, Yong Sik AHN, Jung doo KIM, Ji Hee KIM
  • Publication number: 20140014923
    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: Application
    Filed: September 6, 2011
    Publication date: January 16, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Seong Su Jang, Yeon Keun Lee, Kyoung Sik Moon, Se Hwan Son
  • Publication number: 20130302565
    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: Application
    Filed: July 15, 2013
    Publication date: November 14, 2013
    Inventors: Seong Su JANG, Yeon Keun Lee, Kyoung Sik Moon, Min Soo Kang
  • Publication number: 20130287936
    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: Application
    Filed: October 7, 2011
    Publication date: October 31, 2013
    Applicant: LG Chem, Ltd.
    Inventors: Seong Su Jang, Yeon Keun Lee, Kyoung Sik Moon, Min Soo Kang