Patents by Inventor Eun Baek

Eun Baek 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: 20220294004
    Abstract: Disclosed are a method of manufacturing a composite anode for a lithium ion battery and a composite anode for a lithium ion battery manufactured thereby. According to the method provide herein, since a metal catalyst precursor is reduced using Joule heating to obtain a carbon-metal catalyst composite layer, composite anode for a lithium ion battery having a large area in a short period of time can be provided, which is excellent in terms of economic feasibility. Further, since it is possible to manufacture a composite anode for a lithium ion battery with the improved lithium electrodeposition density and reversibility of lithium ions, a composite anode for a lithium ion battery having high capacity and improved life stability can be obtained.
    Type: Application
    Filed: September 21, 2021
    Publication date: September 15, 2022
    Inventors: Jong Chan Song, Won Keun Kim, Jae Wook Shin, Sung Hee Shin, Kyoung Han Ryu, Seong Min Ha, Seok Ju Kang, Kyung Eun Baek
  • Patent number: 11384072
    Abstract: The present invention provides an organic compound of following formula and an organic light emitting diode and an OLED device including the organic compound.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 12, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung-Jin Yoon, Hyo-Jin Noh, Jeong-Eun Baek
  • Patent number: 11361718
    Abstract: An image processing device reduces power consumption of a backlight by lowering a dimming value through brightness distribution for pixels. The image data processing device includes: an image analyzing circuit configured to analyze original image data on a video image divided into a plurality of regions and calculate a representative brightness value for each region; a dimming value calculating circuit configured to calculate a dimming value for each region in order to adjust the brightness of a backlight according to the representative brightness value; a pixel analyzing circuit configured to analyze brightness distribution for a plurality of pixels in each region; a dimming control circuit configured to re-adjust the dimming value for one region according to the brightness distribution; and a dimming output circuit configured to output, to a backlight driving device, a dimming control signal for driving the backlight according to the dimming value.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: June 14, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Ji Won Lee, Jung Eun Baek, Xin Cui, Do Hoon Lee
  • Publication number: 20220056588
    Abstract: This application relates to a metal coating method for plastic outer part requiring robustness. In the metal coating method, first, provide a plastic outer part as a motion assistance tool. Thereafter, a cold plasma treatment is performed to introduce a polar functional group to a surface of the plastic outer part by treating the plastic outer part with cold plasma. Next, a metal coating layer is formed on the surface of the plastic outer part treated with the cold plasma by an electroless plating method. Thereafter, an adhesive strength improvement process of improving an adhesive strength between the metal coating layer and the plastic outer part to 1,000 g/cm2 or more by heat treatment of the plastic outer part with the metal coating layer thereon is performed.
    Type: Application
    Filed: January 8, 2019
    Publication date: February 24, 2022
    Inventors: Seung Kyun RYU, Sook Eun BAEK
  • Publication number: 20210376424
    Abstract: Disclosed are an electrolyte membrane for a lithium-air battery, a method of manufacturing the same, a cathode for a lithium-air battery, a method of manufacturing the same, and a lithium-air battery including the electrolyte membrane and the cathode. Particularly, the lithium-air battery includes i) an electrolyte membrane, which is manufactured using an inorganic melt admixture including two or more nitrogen-oxide compounds and thus may have a very low eutectic point, and ii) a cathode, which is manufactured by reducing a metal at a fast speed on a carbon material. As such, the lithium-air battery is capable of stably operating even at low temperatures and providing high power output.
    Type: Application
    Filed: December 21, 2020
    Publication date: December 2, 2021
    Inventors: Eun Ji Kwon, Samuel Seo, Gwang Seok Oh, Seok Ju Kang, Kyung Eun Baek
  • Publication number: 20210358426
    Abstract: A display driving device for improving the definition of an image according to one aspect of the present invention includes a brightness calculator for calculating first brightness data corresponding to a first resolution and second brightness data corresponding to a second resolution less than the first resolution using input image data, an offset calculator for calculating an offset on the basis of the first brightness data and the second brightness data, an input image converter for converting the input image data into input image data to which the calculated offset has been applied, a first data output unit for generating output image data for a first panel using the converted input image data and outputting the generated output image data, and a second data output unit for generating output brightness data for a second panel using the second brightness data and outputting the generated output brightness data.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 18, 2021
    Inventors: Do Hoon Lee, Jung Eun Baek, Chan Yung Kim, Hyun Kyu Jeon, Ji Won Lee
  • Publication number: 20210335288
    Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.
    Type: Application
    Filed: April 20, 2021
    Publication date: October 28, 2021
    Inventors: Hyun Kyu JEON, Ji Won LEE, Jung Eun BAEK, Xin CUI, Do Hoon LEE
  • Publication number: 20210287620
    Abstract: An embodiment is able to improve the pure-color brightness ratio by compensating for image data of a current pixel on the basis of a result of comparing image data of a current pixel with image data of a previous pixel.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 16, 2021
    Inventors: Yong Hee KIM, Jung Eun BAEK, Jin Woo PARK, Ji Won LEE, Do Seok KIM, Young Gi KIM
  • Publication number: 20210266026
    Abstract: Proposed is a mobile device case that accommodates or covers a substrate and an electronic element located on the substrate. The case includes: a case frame made of a high molecular material including a resin and having a cover part for accommodating or covering the substrate and protrusions protruding from the cover part in such a manner as to be extended close to the electronic element; and a metal coating layer formed by coating a metal on a surface of the case frame including the protrusions to improve electromagnetic shielding ability.
    Type: Application
    Filed: January 8, 2019
    Publication date: August 26, 2021
    Inventors: Seung Kyun RYU, Sook Eun Baek
  • Publication number: 20210262094
    Abstract: A coating method for preventing outgassing from an aerospace component made of a resin is proposed. In the coating method for preventing outgassing from the aerospace component, first, a polymer including a resin is provided. After that, primary outgassing in which the polymer is subjected to hot air drying to evaporate gas therefrom is performed. Next, the surface of the polymer after the primary outgassing is subjected to a cold plasma treatment to introduce hydrophilic functional groups so that it is possible to perform plating on the surface of the polymer. After that, the surface of the polymer after the cold plasma treatment is subjected to a catalytic treatment and an activation treatment for post-processes. Next, a first functional metal layer is formed on the surface of the polymer by means of electroless plating to suppress the release of gas through outgassing.
    Type: Application
    Filed: January 8, 2019
    Publication date: August 26, 2021
    Inventors: Seung Kyun RYU, Sook Eun BAEK
  • Publication number: 20210193058
    Abstract: The present disclosure allows reducing power consumption of a backlight by lowering a dimming value through brightness distribution for pixels.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 24, 2021
    Inventors: Ji Won LEE, Jung Eun BAEK, Xin CUI, Do Hoon LEE
  • Publication number: 20210119141
    Abstract: An organic light emitting diode including a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes. An energy level of the first compound and an energy level of the second compound satisfy a pre-determined condition. An organic light emitting device may include the organic light emitting diode.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 22, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Tae-Ryang HONG, Jun-Yun KIM, Jeong-Eun BAEK, Ji-Ae LEE
  • Publication number: 20210119140
    Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed two electrodes and comprising triazine-based delayed fluorescent material and boron-dipyrromethene-based fluorescent material and an organic light emitting device including the OLED is disclosed. The triazine-based delayed fluorescent material and the boron-dipyrromethene-based fluorescent material may be included in an identical EML or in adjacently disposed EMLs. The OLED can lower its driving voltage and improve its luminous efficiency by adjusting energy levels of the delayed fluorescent material and the fluorescent material.
    Type: Application
    Filed: October 1, 2020
    Publication date: April 22, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji-Ae LEE, Jun-Yun KIM, Tae-Ryang HONG, Jeong-Eun BAEK
  • Publication number: 20210119169
    Abstract: The present disclosure relates to an organic light emitting diode (OLED) including plural light emitting material layers disposed between two electrodes and an electron blocking layer, wherein an energy level of the electron blocking layer disposed adjacently to an emitting material layer with relatively low level delayed fluorescent material and an energy level of the delayed fluorescent material are controlled, and an organic light emitting device having the diode. The OLED can lower its driving voltage and maximize its luminous efficiency and luminous lifetime.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 22, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ji-Ae LEE, Jun-Yun KIM, Tae-Ryang HONG, Jeong-Eun BAEK
  • Publication number: 20210066636
    Abstract: The present disclosure relates to an organic light emitting diode and an organic light emitting device having the diode. An organic light emitting diode including a plurality delayed fluorescent materials with specific energy levels and an organic light emitting device including the diode is disclosed. When the plurality delayed fluorescent materials with specific energy levels are applied in an emitting material layer, it is possible to minimize the energy loss or exciton quenching during luminescent process, to prevent the diode from reducing lifetime caused by the exciton quenching, and to make charges being injected into the emitting material layer in balance. When the emitting material layer includes other luminous material having a narrow FWHM, the organic light emitting diode can enhance its color purity.
    Type: Application
    Filed: September 3, 2020
    Publication date: March 4, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jeong-Eun BAEK, Jun-Yun KIM, Tae-Ryang HONG, Ji-Ae LEE
  • Publication number: 20210036237
    Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device lower their driving voltage, improves their luminous efficiency and color purity.
    Type: Application
    Filed: July 31, 2020
    Publication date: February 4, 2021
    Applicants: LG Display Co., Ltd., Korea University Research and Business Foundation
    Inventors: Suk-Young BAE, Jun-Yun KIM, Dae-Wi YOON, Jeong-Eun BAEK, Han-Young WOO, Hye-Beom SHIN
  • Publication number: 20200194689
    Abstract: An organic light emitting diode including at least one emitting material layer, which includes a host and a dopant and at least one exciton energy control layer disposed adjacently to the at least one emitting material layer and an organic light emitting device having the same is disclosed. The at least one exciton energy control layer includes an organic compound that has excited state singlet and triplet energy levels lower than excited state singlet and triplet energy levels of the host. The organic light emitting diode can enhance its luminous efficiency and its luminous lifetime by incorporating one or more exciton energy control layers.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 18, 2020
    Applicant: LG Display Co., Ltd
    Inventors: Bo-Min Seo, Jeong-Eun Baek, Dae-Wi Yoon, Mi-Sang Yoo
  • Publication number: 20200185621
    Abstract: Discussed is an organic compound having a benzofluorenocarbazole core and an aromatic or hetero aromatic groups bonded to a specific positions of the benzofluorenocarbazole core, and an organic light emitting diode and an organic light emitting device including the compound. The organic compound has a narrow Stokes Shift between an absorption spectrum peak and an emission spectrum peak, it has a broad spectral overlapping area between its absorption wavelength range and an emission wavelength range of another luminous material. Therefore, it can emit light having high color purity and exhibit excellent luminous efficiency.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Mi-Sang YOO, Hyo-Jin NOH, Jeong-Eun BAEK
  • Publication number: 20200185616
    Abstract: An organic light emitting diode including a plurality delayed fluorescent materials with specific energy levels and an organic light emitting device including the diode is disclosed. When the plurality delayed fluorescent materials with specific energy levels are applied in an emitting material layer, it is possible to minimize the energy loss or exciton quenching during luminous process and to prevent the diode from reducing life span caused by the exciton quenching. When the emitting material layer includes other luminous material having a narrow FWHM, the organic light emitting diode can enhance its color purity.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Applicant: LG Display Co., Ltd
    Inventors: Jeong-Eun Baek, Bo-Min Seo, Hyo-Jin Noh, Mi-Sang Yoo
  • Publication number: 20200185622
    Abstract: The present disclosure provides a compound of following formula and an organic light emitting device and an organic light emitting display device including the compound. The compound of the present disclosure serves as a host or a dopant in an emitting material layer.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Inventors: Kyung-Jin YOON, Yu-Jin BAE, Bo-Min SEO, Jeong-Eun BAEK, Joong-Hwan YANG, Chun-Ki KIM, Jung-Hyun YOON, Hyung-Won CHO, Kyu-Soon SHIN, Jeong-A SEO, Hyung-Jin LEE, Young-Sam JIN, Dong-Hyun LEE