Patents by Inventor Dong-Eon Lee

Dong-Eon 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: 11065785
    Abstract: A master mold for manufacturing a wire grid polarizer includes a mold substrate and a mold part disposed on the mold substrate, in which the mold part includes a plurality of embossed portions extending in a first direction substantially in parallel with one another, a plurality of debossed portions, at least some of which are disposed between adjacent embossed portions, extending in the first direction and separating adjacent embossed portions, and an embossed bridge portion arranged in a second direction intersecting the first direction and connecting the plurality of embossed portions separated by the debossed portions. A wire grid polarizer and a method of manufacturing a wire grid polarizer are also disclosed.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Han Su Kim, Dong Eon Lee, Se Hee Han
  • Publication number: 20210167124
    Abstract: Provided are a light-emitting element, a manufacturing method thereof, and a display device comprising the light-emitting element. The method for manufacturing the light-emitting element comprises the steps of: preparing a lower substrate including a substrate and a buffer material layer formed on the substrate, forming a separating layer disposed on the lower substrate and including at least one graphene layer, forming an element deposition structure by depositing a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, forming an element rod by etching the element deposition structure and the separating layer in a vertical direction; and separating the element rod from the lower substrate to form a light emitting element.
    Type: Application
    Filed: January 14, 2019
    Publication date: June 3, 2021
    Inventors: Jung Hong MIN, Dae Hyun KIM, Hyun Min CHO, Dong Uk KIM, Dong Eon LEE, Seung A LEE, Hyung Rae CHA
  • Patent number: 10981301
    Abstract: A mold for a wire grid polarizer includes a hard mold and a soft mold, in which the hard mold includes a main body, an oxidization layer provided on the main body, and a SAM layer provided on the oxidization layer and including an additive, the soft mold includes a substrate, and a protrusions and depressions portion including a polymerized releasing agent, and a region that is hydrophobic in the polymerized releasing agent is arranged on a surface of the protrusions and depressions portion.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Hyuck Kang, Yukihiro Miyazawa, Myeong Hee Kim, Jung Woo Park, Han Su Kim, Dong Eon Lee, Gug Rae Jo, Seung-Yeon Chae, Atsushi Takakuwa
  • Publication number: 20200403029
    Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.
    Type: Application
    Filed: January 9, 2020
    Publication date: December 24, 2020
    Inventors: Dong Gyun KIM, Moon Jung AN, Dong Eon LEE, Hye Lim KANG, Hoo Keun PARK, Byung Ju LEE
  • Patent number: 10732503
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 10663790
    Abstract: A display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member. A first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Won Park, Dae Young Lee, Dong Eon Lee, Dae Hwan Jang, Gug Rae Jo
  • Publication number: 20190232531
    Abstract: A mold for a wire grid polarizer includes a hard mold and a soft mold, in which the hard mold includes a main body, an oxidization layer provided on the main body, and a SAM layer provided on the oxidization layer and including an additive, the soft mold includes a substrate, and a protrusions and depressions portion including a polymerized releasing agent, and a region that is hydrophobic in the polymerized releasing agent is arranged on a surface of the protrusions and depressions portion.
    Type: Application
    Filed: September 12, 2018
    Publication date: August 1, 2019
    Inventors: MIN HYUCK KANG, Yukihiro Miyazawa, Myeong Hee Kim, Jung Woo Park, Han Su Kim, Dong Eon Lee, Gug Rae Jo, Seung-Yeon Chae, Atsushi Takakuwa
  • Publication number: 20190056621
    Abstract: A display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member. A first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: Seung Won Park, Dae Young Lee, Dong Eon Lee, Dae Hwan Jang, Gug Rae Jo
  • Publication number: 20180348635
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Application
    Filed: July 19, 2018
    Publication date: December 6, 2018
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 10139673
    Abstract: Provided is a display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member, wherein a first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Won Park, Dae Young Lee, Dong Eon Lee, Dae Hwan Jang, Gug Rae Jo
  • Patent number: 10042256
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: August 7, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Publication number: 20180085973
    Abstract: A master mold for manufacturing a wire grid polarizer includes a mold substrate and a mold part disposed on the mold substrate, in which the mold part includes a plurality of embossed portions extending in a first direction substantially in parallel with one another, a plurality of debossed portions, at least some of which are disposed between adjacent embossed portions, extending in the first direction and separating adjacent embossed portions, and an embossed bridge portion arranged in a second direction intersecting the first direction and connecting the plurality of embossed portions separated by the debossed portions. A wire grid polarizer and a method of manufacturing a wire grid polarizer are also disclosed.
    Type: Application
    Filed: August 7, 2017
    Publication date: March 29, 2018
    Inventors: Han Su KIM, Dong Eon LEE, Se Hee HAN
  • Patent number: 9902925
    Abstract: There is provided a cleaner composition for a process of manufacturing a semiconductor and a display. The cleaner composition includes 0.01 to 5.0 wt % of amino acid-based chelating agent, 0.01 to 1.5 wt % of organic acid, 0.01 to 1.0 wt % of inorganic acid, 0.01 to 5.0 wt % of alkali compound, and the balance of deionized water and is based on acidic water with pH levels of 1 to 5. The cleaner composition may enhance metal contaminants removal capability and have a function to remove particles and organic contaminants, and prevent corrosion of copper and reverse adsorption of copper. Thus, cleaner composition may be used for various purposes of etching copper, removing residues, and a cleaner by adjusting an etch rate.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: February 27, 2018
    Assignees: Samsung Display Co., Ltd., LTCAM CO., LTD.
    Inventors: Dong Eon Lee, Jin Ho Ju, Jun Hyuk Woo, Seok Ho Lee
  • Publication number: 20170307935
    Abstract: Provided is a display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member, wherein a first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.
    Type: Application
    Filed: November 22, 2016
    Publication date: October 26, 2017
    Inventors: Seung Won PARK, Dae Young LEE, Dong Eon LEE, Dae Hwan JANG, Gug Rae JO
  • Publication number: 20170090285
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Application
    Filed: May 31, 2016
    Publication date: March 30, 2017
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 9575405
    Abstract: A photo mask includes a transparent substrate and a mask pattern. The mask pattern is disposed on the transparent substrate. The mask pattern includes a blocking portion for blocking light and a transmitting portion for transmitting the light. The transmitting portion is adjacent to the blocking portion. The blocking portion includes a first blocking layer, a photo guide layer and a second blocking layer. The first blocking layer is disposed on the transparent substrate. The first blocking layer transmits a portion of the light. The first blocking layer includes a plurality of blocking patterns including a first blocking material. The photo guide layer is disposed on the first blocking layer. The photoguide layer guides the transmitted portion of the light to a side surface of the photoguide layer. The second blocking layer reflects the transmitted portion of the light.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Hyuk Woo, Jeong-Won Kim, Kwang-Woo Park, Dong-Eon Lee, Seung-Bo Shim, Jin-Ho Ju
  • Patent number: 9436091
    Abstract: A method for forming a fine pattern includes forming an etching target material layer on a substrate, forming a first photoresist layer on the etching target material layer, forming a metal pattern on the first photoresist layer, the metal pattern having a plurality of lines and thin film lines alternately arranged, the lines having predetermined linewidth and thickness and are spaced apart from each other by a predetermined distance, exciting surface plasmons in the metal pattern by light irradiation to produce a surface plasmon resonance that exposes a fine first pattern shape in the first photoresist layer, forming a first photoresist pattern by removing the metal pattern and developing the first photoresist layer, and etching the etching target material layer by using the first photoresist pattern as a mask.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Dong-Eon Lee, Hyun-joo Lee
  • Publication number: 20160215241
    Abstract: There is provided a cleaner composition for a process of manufacturing a semiconductor and a display. The cleaner composition includes 0.01 to 5.0 wt % of amino acid-based chelating agent, 0.01 to 1.5 wt % of organic acid, 0.01 to 1.0 wt % of inorganic acid, 0.01 to 5.0 wt % of alkali compound, and the balance of deionized water and is based on acidic water with pH levels of 1 to 5. The cleaner composition may enhance metal contaminants removal capability and have a function to remove particles and organic contaminants, and prevent corrosion of copper and reverse adsorption of copper. Thus, cleaner composition may be used for various purposes of etching copper, removing residues, and a cleaner by adjusting an etch rate.
    Type: Application
    Filed: December 9, 2015
    Publication date: July 28, 2016
    Inventors: Dong Eon LEE, Jin Ho JU, Jun Hyuk WOO, Seok Ho LEE
  • Patent number: 9395619
    Abstract: A phase shift device includes a phase shift mask which includes a transparent substrate, and a phase shift pattern which is provided on the transparent substrate, and includes a first area having a first thickness, a second area having a second thickness which is less than the first thickness, a first opening having a first opening width and defined at the first area, and a second opening having a second opening width and defined at the second area.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Dong-Eon Lee, Jun-Hyuk Woo, Hyun-Joo Lee, Sang-Uk Lim, Jin-Ho Ju
  • Publication number: 20160139504
    Abstract: A photo mask includes a transparent substrate and a mask pattern. The mask pattern is disposed on the transparent substrate. The mask pattern includes a blocking portion for blocking light and a transmitting portion for transmitting the light. The transmitting portion is adjacent to the blocking portion. The blocking portion includes a first blocking layer, a photo guide layer and a second blocking layer. The first blocking layer is disposed on the transparent substrate. The first blocking layer transmits a portion of the light. The first blocking layer includes a plurality of blocking patterns including a first blocking material. The photo guide layer is disposed on the first blocking layer. The photoguide layer guides the transmitted portion of the light to a side surface of the photoguide layer. The second blocking layer reflects the transmitted portion of the light.
    Type: Application
    Filed: April 3, 2015
    Publication date: May 19, 2016
    Inventors: Jun-Hyuk Woo, Jeong-Won Kim, Kwang-Woo Park, Dong-Eon Lee, Seung-Bo Shim, Jin-Ho Ju