Patents by Inventor Dong Gun Lee

Dong Gun 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: 20230131939
    Abstract: Provided are a binder for a secondary battery, a negative electrode including the same, and a secondary battery including the same. More particularly, the binder for a secondary battery prepared by reacting a copolymer including specific repeating units and a crosslinking agent including two or more aldehyde groups has excellent mechanical properties and effectively improves a binding force. The negative electrode and the secondary battery including the binder for a secondary battery effectively suppress expansion of a negative electrode to manufacture a secondary battery having excellent charge/discharge cycle characteristics and battery performance.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Inventors: Dong Gun Lee, Gwi Ok Park, Jun Soo Son, Seok Keun Yoo, Ju Ho Chung
  • Publication number: 20230130685
    Abstract: Provided are a binder composition for a secondary battery, a negative electrode including the same, and a secondary battery including the same. More particularly, the binder composition for a secondary battery having a three-dimensional structure, which is prepared by mixing a copolymer having specific repeating units and a polymer-type additive containing nitrogen (N) bonded to two or three carbons (C) in the repeating unit, has excellent mechanical properties and may effectively improve a binding force. The negative electrode and the secondary battery including the binder composition for a secondary battery effectively suppress expansion of a negative electrode to manufacture a secondary battery having excellent charge/discharge cycle characteristics and battery performance.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Inventors: Min Kyung Seon, Gwi Ok Park, Seok Keun Yoo, Dong Gun Lee, Jun Soo Son, Ju Ho Chung
  • Publication number: 20230127580
    Abstract: Provided are a binder for a secondary battery, a negative electrode including the same, and a secondary battery including the same. More particularly, the binder for a secondary battery including a crosslinked product of a copolymer with a silane-based crosslinking agent according to the present invention may have excellent thermal resistance and mechanical properties and effectively improve a binding force, and the negative electrode for a secondary battery and the secondary battery including the same may effectively suppress expansion of a negative electrode to improve charge/discharge cycle characteristics and performance of the secondary battery.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Inventors: Dong Gun Lee, Gwi Ok Park, Seok Keun Yoo, Min Kyung Seon, Ji Sang Jeong, Ju Ho Chung, Jun Soo Son
  • Publication number: 20230120353
    Abstract: A manufacturing method includes the steps of: (a) preparing a lower layer member having a first base layer, a first protective thin film, and a first CNT thin film; (b) preparing a first upper layer member having a second base layer, a second protective thin film, and a second CNT thin film or a second upper layer member having a second base layer and a second protective thin film; (c) arranging the lower layer member above the first CNT thin film; (d) forming a group member by arranging the second CNT thin film of the first upper layer member or the second protective film of the second upper layer member to be stacked on the first CNT thin film; and € removing the second base layer from the group member.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 20, 2023
    Applicant: ESOL Inc.
    Inventor: Dong Gun Lee
  • Publication number: 20230121748
    Abstract: An EUV mask inspection device includes: an EUV light source for outputting EUV light with a wavelength ranging from 5 nm to 15 nm; a multilayer reflection zone plate having an EUV reflection multilayer film, which is a planar substrate, and a zone plate pattern; and an EUV lighting unit for creating EUV illumination light by obtaining 1st diffraction light reflected after radiating EUV light output from the EUV light source to the multilayer reflection zone plate. The EUV mask inspection device further includes: an aperture for providing monochromatic light or reducing a light radiation area by reducing a linewidth of optical wavelength radiated from the EUV lighting unit; a transmissive zone plate for forming expanded light by collecting reflected or scattered light after radiating light passing through the aperture to the EUV mask; and an image sensor for measuring intensity of light through EUV mask measured light.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 20, 2023
    Applicant: ESOL Inc.
    Inventor: Dong Gun LEE
  • Publication number: 20230081008
    Abstract: The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 16, 2023
    Inventors: Dong Gun Lee, Bo Yun Jung
  • Publication number: 20230079858
    Abstract: An EUV lighting device for metrology and inspection of an EUV mask in an EUV exposure process of a semiconductor device manufacturing process includes: an EUV light source for outputting EUV light with a wavelength ranging from 5 nm to 15 nm; and a multilayer reflection zone plate having an EUV reflection multilayer film, which is a planar substrate, and a zone plate pattern. The EUV lighting device radiates EUV light output from the EUV light source to the multilayer reflection zone plate, acquires 1st diffraction light reflected, and creates EUV illumination light.
    Type: Application
    Filed: January 7, 2022
    Publication date: March 16, 2023
    Applicant: ESOL Inc.
    Inventor: Dong Gun LEE
  • Publication number: 20230035356
    Abstract: A display device can include a display panel to display an input image across a first subpixel region and a second subpixel region; a display panel driver to supply pixel data of the input image to subpixels of the display panel; a light source disposed under the display panel in an area overlapped by the second subpixel region; and a controller to drive the light source in an emission permitting section set within a non-driving period of a group of subpixels among the subpixels that are disposed in at least a portion of the second subpixel region.
    Type: Application
    Filed: June 22, 2022
    Publication date: February 2, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kyu Jin KIM, Seung Taek OH, Dong Gun LEE
  • Patent number: 11569417
    Abstract: A method of manufacturing a semiconductor light emitting device, the method including forming a first conductivity-type semiconductor layer on a substrate; forming an active layer on the first conductivity-type semiconductor layer; forming a mask layer having an opening on the active layer; growing a second conductivity-type semiconductor layer through the opening; removing the mask layer; removing a portion of the active layer and a portion of the first conductivity-type semiconductor layer that do not overlap the second conductivity-type semiconductor layer; and removing a portion of the first conductivity-type semiconductor layer to expose the substrate.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Jo Tak, Joo Sung Kim, Jong Uk Seo, Dong Gun Lee, Yong Il Kim
  • Patent number: 11561467
    Abstract: A reflectivity and transmittance measuring device includes: an EUV light source for outputting EUV light with a wavelength ranging from 5 nm to 15 nm; a multilayer reflection zone plate having an EUV reflection multilayer film, which is a planar substrate, and a zone plate pattern; and an EUV lighting unit for creating EUV illumination light by obtaining 1st diffraction light reflected after radiating EUV light output from the EUV light source to the multilayer reflection zone plate.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: January 24, 2023
    Assignee: ESOL Inc.
    Inventor: Dong Gun Lee
  • Patent number: 11538409
    Abstract: The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: December 27, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Gun Lee, Bo Yun Jung
  • Publication number: 20220246803
    Abstract: A method of manufacturing a semiconductor light emitting device, the method including forming a first conductivity-type semiconductor layer on a substrate; forming an active layer on the first conductivity-type semiconductor layer; forming a mask layer having an opening on the active layer; growing a second conductivity-type semiconductor layer through the opening; removing the mask layer; removing a portion of the active layer and a portion of the first conductivity-type semiconductor layer that do not overlap the second conductivity-type semiconductor layer; and removing a portion of the first conductivity-type semiconductor layer to expose the substrate.
    Type: Application
    Filed: April 14, 2022
    Publication date: August 4, 2022
    Inventors: Young Jo TAK, Joo Sung KIM, Jong Uk SEO, Dong Gun LEE, Yong Il KIM
  • Publication number: 20220173400
    Abstract: The present invention relates to a binder for an anode for a secondary battery, an anode including the binder, and a secondary battery including the anode. More particularly, the present invention relates to a binder for an anode for a secondary battery that has excellent heat resistance and mechanical properties and an improved binding force because a copolymer is used for the binder, and an anode for a secondary battery. In addition, expansion and shrinkage of the anode may be efficiently suppressed, such that charge and discharge life characteristics and performance of the secondary battery may be improved.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 2, 2022
    Inventors: Joon-Sup Kim, Gwi Ok Park, Ji Sang Jeong, Min Kyung Seon, Dong Gun Lee, Sun Young Kim
  • Publication number: 20220139317
    Abstract: The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.
    Type: Application
    Filed: August 5, 2021
    Publication date: May 5, 2022
    Inventors: Dong Gun Lee, Bo Yun Jung
  • Publication number: 20220123047
    Abstract: A light emitting device package includes a cell array having a first surface and a second surface located opposite to the first surface and including, on a portion of a horizontal extension line of the first surface, semiconductor light emitting units each including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer sequentially located on a layer surface including a sidewall of the first conductivity type semiconductor layer; wavelength converting units corresponding respectively to the semiconductor light emitting units and each arranged corresponding to the first conductivity type semiconductor layer; a barrier structure arranged between the wavelength converting units corresponding to the cell array; and switching units arranged in the barrier structure and electrically connected to the semiconductor light emitting units.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-sung KIM, Jong-uk Seo, Dong-gun Lee, Young-jo Tak
  • Patent number: 11281093
    Abstract: A system includes a plate configured for mounting of a reflective extreme ultra-violet (EUV) mask thereon and a zone plate configured to divide EUV light into zero-order light and first-order light and to pass the zero-order light and the first-order light to the reflective EUV mask. The system further includes a detector configured to receive EUV light reflected by the EUV mask and including a zero-order light detection region configured to generate a first image signal and a first-order light detection region configured to generate a second image signal, and a calculator configured to generate a compensated third image signal from the first image signal and the second image signal. The third image signal may be used to determine a distance between mask patterns of the EUV mask.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hoon Na, Dong Gun Lee, Hee Bom Kim
  • Publication number: 20220059903
    Abstract: Provided are a composite separator including a coating layer including inorganic particles and a binder formed on a porous substrate, which has improved coatability and improved thermal shrinkage, and a lithium secondary battery using the same.
    Type: Application
    Filed: August 20, 2021
    Publication date: February 24, 2022
    Inventors: Sun Young Kim, Tae Wook Kwon, Heung Taek Bae, Dong Gun Lee, Yun Bong Kim, Min Kyung Seon
  • Patent number: 11257976
    Abstract: In one example, a semiconductor device comprises a substrate, an optical device on a top side of the substrate, a translucent cover over the optical device, wherein the translucent cover is a unitary monolithic piece comprising a cover base and a cover pipe. and a cover structure on the top side of the substrate to support the translucent cover over the optical device. Some examples and related methods are also disclosed herein.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: February 22, 2022
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Wook Choi, Dong Gun Lee, Jong Dae Jung
  • Publication number: 20220037430
    Abstract: Disclosed herein are a display device and a mobile terminal device including the same, which include a display panel including a screen in which a plurality of display pixels which are sequentially scanned, and a plurality of sensor pixels which are exposed to a light during an exposure time to convert the light into an electric current are disposed. While the display pixels disposed in the first area of the screen are scanned, the sensor pixels are exposed. While the display pixels in the second area of the screen are scanned, sensor data is output from the sensor pixels and then the sensor pixels are initialized.
    Type: Application
    Filed: July 20, 2021
    Publication date: February 3, 2022
    Inventors: Dong Gun Lee, Joung Mi Choi, Man Hyeop Han
  • Publication number: 20220029200
    Abstract: Provided is an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound, and a lithium secondary battery including the electrolyte.
    Type: Application
    Filed: October 7, 2021
    Publication date: January 27, 2022
    Inventors: Sung Yon Oh, In Haeng Cho, Dong Gun Lee, Jin Haek Yang