Patents by Inventor Dae Han SEO

Dae Han 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: 10937990
    Abstract: The present application relates to an encapsulation film, a method of manufacturing the same, an organic electronic device including the same, and a method of manufacturing the organic electronic device using the same. The present application provides an encapsulation film which can be formed to have a structure in which moisture or oxygen flowing from the outside into an organic electronic device can be effectively blocked, has excellent handling properties and processability, and also has excellent bonding properties with an organic electronic element and durability.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 2, 2021
    Assignee: LG CHEM LTD.
    Inventors: Hyun Jee Yoo, Hyun Suk Kim, Jung Ok Moon, Se Woo Yang, Jae Jin Kim, Dae Han Seo, Min Soo Song, Jung Woo Lee
  • Patent number: 10770714
    Abstract: The present invention relates to an electrode manufacturing method, an electrode manufactured thereby, and a battery comprising the same, the electrode manufacturing method comprising the steps of: applying an electrode active material onto a collector; and radiating a laser such that the end of an electrode active material layer, which has been obtained by applying the electrode active material, becomes straight, thereby removing the electrode active material. The present invention is advantageous in that the difference in area between active materials applied to the positive and negative electrodes, respectively, is minimized, thereby increasing the capacity and improving the stability of the battery.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 8, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Tae-Su Kim, Jin-Soo Lee, Bu-Gon Shin, Ki-Eun Sung, Dae-Han Seo
  • Patent number: 10642150
    Abstract: The present invention relates to a photomask and a method for manufacturing a column spacer for a color filter using the same, and according to one aspect of the present invention, a photomask is provided, which comprises a central region having a first transmittance, a first perimeter region surrounding the central region and having a second transmittance lower than the first transmittance, and a second perimeter region surrounding the first perimeter region and having the first transmittance.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dae Han Seo, Dong Chang Choi, Kwang Han Park, Sang Choll Han, Jae Jin Kim, Eun Joo Choi, Min Soo Song
  • Publication number: 20200082194
    Abstract: A sheet for optical fingerprint recognition or input, and a device including such a sheet. The sheet can detect fingerprint information having high contrast with a simple structure and can be applied to a large area display device to recognize a plurality of fingerprint patterns without being influenced by each other.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 12, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Min Soo Song, Jae Jin Kim, Dae Han Seo, Sang Choll Han
  • Publication number: 20190339646
    Abstract: The present application provides a replicating method and a replicating device of a transmission type holographic optical element capable of mass-replicating the transmission type holographic optical element by a continuous and economical process.
    Type: Application
    Filed: November 28, 2017
    Publication date: November 7, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jae Jin Kim, Dae Han Seo, Min Soo Song, Sang Choll Han
  • Publication number: 20190286871
    Abstract: A method for controlling a digital device according to the present application can control the device so as to execute a command corresponding to a single fingerprint or a plurality of fingerprints using a sheet capable of simultaneously recognizing a plurality of fingerprints. Accordingly, a user's usability can be greatly improved, and a complicated encryption function using a plurality of fingerprints can be implemented, so that the security of the digital device can be greatly improved.
    Type: Application
    Filed: November 30, 2017
    Publication date: September 19, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Min Soo Song, Jae Jin Kim, Dae Han Seo, Sang Choll Han
  • Publication number: 20190157612
    Abstract: The present application relates to an encapsulation film, a method of manufacturing the same, an organic electronic device including the same, and a method of manufacturing the organic electronic device using the same. The present application provides an encapsulation film which can be formed to have a structure in which moisture or oxygen flowing from the outside into an organic electronic device can be effectively blocked, has excellent handling properties and processability, and also has excellent bonding properties with an organic electronic element and durability.
    Type: Application
    Filed: April 12, 2017
    Publication date: May 23, 2019
    Inventors: Hyun Jee YOO, Hyun Suk KIM, Jung Ok MOON, Se Woo YANG, Jae Jin KIM, Dae Han SEO, Min Soo SONG, Jung Woo LEE
  • Publication number: 20180341176
    Abstract: The present application relates to a film mask comprising: a transparent substrate; a darkened light-shielding pattern layer provided on the transparent substrate; and groove portions provided in a region where the darkened light-shielding pattern layer is not provided, a method for manufacturing the same, a method for forming a pattern by using the same, and a pattern manufactured by using the same.
    Type: Application
    Filed: January 31, 2017
    Publication date: November 29, 2018
    Inventors: Ji Young HWANG, Han Min SEO, Sangcholl HAN, Seung Heon LEE, Dong Hyun OH, Dae Han SEO, Nam Seok BAE, Min Soo SONG
  • Patent number: 10005157
    Abstract: The present invention relates to a lithium secondary battery, and more specifically to a lithium secondary battery having a multi-directional lead-tab structure. The lithium secondary battery of the present invention includes: an electrode assembly which is formed by alternately laminating an electrode plate having a current collector, an active material, and a tab, and an isolation layer; a lead which is electrically connected to the tab; and a battery case, wherein the lead is divided into an anode lead and a cathode lead, and at least two or more anode leads and cathode leads are provided. The battery of the present invention uses the same lead-tab size as the prior art and is suitable for use with high current.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: June 26, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Tae Su Kim, Ki Eun Sung, Sang Ik Lee, Jin Soo Lee, Jin Ho Ban, Dae Han Seo, Bu Gon Shin, Ki Hong Min, Young Min Yuk, Chang Bum Ahn
  • Publication number: 20170309475
    Abstract: The present invention relates to an electrode manufacturing method, an electrode manufactured thereby, and a battery comprising the same, the electrode manufacturing method comprising the steps of: applying an electrode active material onto a collector; and radiating a laser such that the end of an electrode active material layer, which has been obtained by applying the electrode active material, becomes straight, thereby removing the electrode active material. The present invention is advantageous in that the difference in area between active materials applied to the positive and negative electrodes, respectively, is minimized, thereby increasing the capacity and improving the stability of the battery.
    Type: Application
    Filed: October 26, 2015
    Publication date: October 26, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Tae-Su KIM, Jin-Soo LEE, Bu-Gon SHIN, Ki-Eun SUNG, Dae-Han SEO
  • Publication number: 20170285459
    Abstract: The present invention relates to a photomask and a method for manufacturing a column spacer for a color filter using the same, and according to one aspect of the present invention, a photomask is provided, which comprises a central region having a first transmittance, a first perimeter region surrounding the central region and having a second transmittance lower than the first transmittance, and a second perimeter region surrounding the first perimeter region and having the first transmittance.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Dae Han SEO, Dong Chang Choi, Kwang Han Park, Sang Choll Han, Jae Jin Kim, Eun Joo Choi, Min Soo Song
  • Publication number: 20160263705
    Abstract: The present invention relates to a lithium secondary battery, and more specifically to a lithium secondary battery having a multi-directional lead-tab structure. The lithium secondary battery of the present invention includes: an electrode assembly which is formed by alternately laminating an electrode plate having a current collector, an active material, and a tab, and an isolation layer; a lead which is electrically connected to the tab; and a battery case, wherein the lead is divided into an anode lead and a cathode lead, and at least two or more anode leads and cathode leads are provided. The battery of the present invention uses the same lead-tab size as the prior art and is suitable for use with high current.
    Type: Application
    Filed: October 31, 2014
    Publication date: September 15, 2016
    Inventors: Tae Su KIM, SUNG Ki Eun, Sang Ik LEE, Jin Soo LEE, Jin Ho BAN, Dae Han SEO, Bu Gon SHIN, Ki Hong MIN, Young Min YUK, Chang Bum AHN