Patents by Inventor Kang-Soo Han

Kang-Soo Han 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: 10926564
    Abstract: A method of manufacturing an imprint stamp including forming an imprint resist only in a second area of a sample substrate including a first area and the second area, pressing the imprint resist with the imprint stamp and curing the imprint resist, in which the imprint stamp includes a fine protrusion pattern that corresponds to the first area and the second area of the sample substrate, and separating the imprint stamp from the sample substrate such that a portion of the fine protrusion pattern corresponding to the second area is separated from the imprint stamp by the cured imprint resist.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: February 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Uk Kim, Moonjung An, Dongeon Lee, Kang Soo Han, Gugrae Jo
  • Patent number: 10908453
    Abstract: A display device includes a first substrate, a first wavelength conversion layer and a second wavelength conversion layer disposed on the first substrate and spaced apart from each other, and a polarization layer disposed on the first wavelength conversion layer and the second wavelength conversion layer, the polarization layer including a reflection portion and a transmitting portion, in which the reflection portion overlaps a gap formed between the first wavelength conversion layer and the second wavelength conversion layer.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Soo Han, Yun Jong Yeo, Dong Uk Kim, Hyun Min Cho, Hyung Bin Cho, Ji Hun Kim, Sung Won Cho, Young Min Kim, Hae Il Park, Seung Jin Baek, Dae Young Lee, Kun Hee Jo, Gug Rae Jo
  • Publication number: 20200361160
    Abstract: An imprint master template including a first fine pattern unit having an upper surface on which a fine pattern is formed, a second fine pattern unit disposed adjacent to the first fine pattern unit and having an upper surface on which a fine pattern is formed, and a supporting part configured to support the first fine pattern unit and the second fine pattern unit. A side surface of the first fine pattern unit faces a side surface of the second fine pattern unit. The side surface of the first fine pattern unit includes a first surface which is perpendicular to the upper surface and a second surface which is inclined at a predetermined angle with respect to the first surface. The side surface of the second fine pattern unit includes a first surface which is perpendicular to the upper surface and a second surface which is inclined at a predetermined angle with respect to the first surface.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Inventors: Kang Soo HAN, Moonjung AN, Gugrae JO, Hyungbin CHO
  • Patent number: 10751953
    Abstract: A method of manufacturing an imprint master template including forming a cutting line guide at an edge of a first fine pattern unit having an upper surface on which a fine pattern is formed; cutting a wafer substrate by a cleaving process along the cutting line guide so that a cutting surface is formed, the cutting surface having a preliminary second surface where the cutting line guide was formed and a first surface which is formed by the cleaving process; polishing the preliminary second surface to form a second surface which is inclined at a predetermined angle with respect to the first surface; and bonding the first fine pattern unit and the second fine pattern unit to each other with the first surface of the first fine pattern unit facing the first surface of the second fine pattern unit.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: August 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Soo Han, Moonjung An, Gugrae Jo, Hyungbin Cho
  • Patent number: 10642092
    Abstract: A polarizer including: a base layer including a first area and a second area enclosing the first area; a polarizing part disposed on the first area of the base layer and including a plurality of linear patterns spaced apart from each other; a dummy part disposed on the second area of the base layer and spaced apart from the polarizing part; and a hard mask residue part disposed on a portion of the second area of the base layer between the polarizing part and the dummy part and contacting the base layer. The polarizing part and the dummy part include a metal layer disposed on the base layer, and a hard mask layer disposed on the metal layer and comprising the same material as the hard mask residue part.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: May 5, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Soo Han, Eun Jung Kim, Gug Rae Jo
  • Patent number: 10317723
    Abstract: Provided is a liquid crystal display including: a first substrate; a wire grid polarizer disposed on the first substrate and including a first region and a second region spaced apart from each other by a stitch line; and a first thin film layer disposed on the wire grid polarizer. The stitch line includes a shape of a curved line or a series of straight lines connected by bends.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd
    Inventors: Jung Gun Nam, Gug Rae Jo, Dae-Young Lee, Kang Soo Han
  • Publication number: 20190162891
    Abstract: A polarizer includes a buffer member and linear metal patterns. The buffer member includes protrusions. Each protrusion has downwardly-increasing width. The buffer member is formed of polymer. The linear metal patterns, spaced apart from each other, are extended in a first direction. Each linear metal pattern covers a respective protrusion.
    Type: Application
    Filed: January 30, 2019
    Publication date: May 30, 2019
    Inventors: Kang-Soo Han, Eun-Jung Kim, Gug-Rae Jo, Hyung-Bin Cho
  • Patent number: 10222527
    Abstract: A polarizer includes a buffer member and linear metal patterns. The buffer member includes protrusions. Each protrusion has downwardly-increasing width. The buffer member is formed of polymer. The linear metal patterns, spaced apart from each other, are extended in a first direction. Each linear metal pattern covers a respective protrusion.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang-Soo Han, Eun-Jung Kim, Gug-Rae Jo, Hyung-Bin Cho
  • Patent number: 10067276
    Abstract: Provided is a polarizer. The polarizer includes a base layer and a wire grid layer which is disposed on the base layer and which include a plurality of wire metal patterns extending along a first direction and spaced apart from each other along a second direction crossing the first direction, wherein the wire grid layer is made of an aluminum (Al) alloy containing nickel (Ni) and lanthanum (La).
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: September 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moon Jung An, Jung Gun Nam, Su Kyoung Yang, Gyung Min Baek, Kang Soo Han, Joon Yong Park, Sang Won Shin, Hyun Eok Shin
  • Publication number: 20180059301
    Abstract: Provided is a polarizer. The polarizer includes a base layer and a wire grid layer which is disposed on the base layer and which include a plurality of wire metal patterns extending along a first direction and spaced apart from each other along a second direction crossing the first direction, wherein the wire grid layer is made of an aluminum (Al) alloy containing nickel (Ni) and lanthanum (La).
    Type: Application
    Filed: April 3, 2017
    Publication date: March 1, 2018
    Inventors: Moon Jung AN, Jung Gun NAM, Su Kyoung YANG, Gyung Min BAEK, Kang Soo HAN, Joon Yong PARK, Sang Won SHIN, Hyun Eok SHIN
  • Publication number: 20180046075
    Abstract: A method of manufacturing an imprint master template including forming a cutting line guide at an edge of a first fine pattern unit having an upper surface on which a fine pattern is formed; cutting the wafer substrate by a cleaving process along the cutting line guide so that a cutting surface is formed, the cutting surface having a preliminary second surface where the cutting line guide was formed and a first surface which is formed by the cleaving process; polishing the preliminary second surface to form a second surface which is inclined at a predetermined angle with respect to the first surface; and bonding the first fine pattern unit and the second fine pattern unit to each other with the first surface of the first fine pattern unit facing the first surface of the second fine pattern unit.
    Type: Application
    Filed: March 27, 2017
    Publication date: February 15, 2018
    Inventors: Kang Soo HAN, Moonjung AN, Gugrae JO, Hyungbin CHO
  • Patent number: 9885906
    Abstract: A method of manufacturing a polarizer, the method including: forming a metal layer on a substrate; forming a hard mask on the metal layer; forming an adhesion layer on a portion of the hard mask; forming a polymer layer on the hard mask and the adhesion layer; pressing a mold on the polymer layer to form a lattice pattern in association with the polymer layer; removing the mold and a portion of the lattice pattern; and patterning the adhesion layer, the hard mask, and the metal layer using a remaining portion of the lattice pattern as a mask.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Gun Nam, Dae-Young Lee, Dae-Hwan Jang, Gug-Rae Jo, Hyung-Bin Cho, Kang-Soo Han
  • Publication number: 20180024399
    Abstract: A polarizer including: a base layer including a first area and a second area enclosing the first area; a polarizing part disposed on the first area of the base layer and including a plurality of linear patterns spaced apart from each other; a dummy part disposed on the second area of the base layer and spaced apart from the polarizing part; and a hard mask residue part disposed on a portion of the second area of the base layer between the polarizing part and the dummy part and contacting the base layer. The polarizing part and the dummy part include a metal layer disposed on the base layer, and a hard mask layer disposed on the metal layer and comprising the same material as the hard mask residue part.
    Type: Application
    Filed: January 31, 2017
    Publication date: January 25, 2018
    Inventors: Kang Soo HAN, Eun Jung KIM, Gug Rae JO
  • Publication number: 20180022133
    Abstract: A method of manufacturing an imprint stamp including forming an imprint resist only in a second area of a sample substrate including a first area and the second area, pressing the imprint resist with the imprint stamp and curing the imprint resist, in which the imprint stamp includes a fine protrusion pattern that corresponds to the first area and the second area of the sample substrate, and separating the imprint stamp from the sample substrate such that a portion of the fine protrusion pattern corresponding to the second area is separated from the imprint stamp by the cured imprint resist.
    Type: Application
    Filed: June 20, 2017
    Publication date: January 25, 2018
    Inventors: Min-Uk KIM, Moonjung AN, Dongeon LEE, Kang Soo HAN, Gugrae JO
  • Patent number: 9696474
    Abstract: A polarizer includes a base substrate, a polarizing layer disposed on the base substrate and including a plurality of first linear extensions spaced apart from each other, and an ultraviolet (UV)-blocking layer including a plurality of second linear extensions spaced apart from each other and crossing the first linear extensions. The polarizer may block an external UV light.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Gun Nam, Eun-Jung Kim, Dae-Young Lee, Dae-Hwan Jang, Gug-Rae Jo, Kang-Soo Han
  • Patent number: 9541789
    Abstract: A method of fabricating a polarizing member includes: sequentially disposing a metal layer and a preliminary pattern layer on a base substrate including a display area and a non-display area; forming a patterned resin layer on the preliminary pattern layer in the display area, the patterned resin layer including patterns formed on a surface of the patterned resin layer; surface-treating the preliminary pattern layer and the patterned resin layer; forming a mask pattern including a photoresist material on the preliminary pattern layer disposed in the non-display area; forming preliminary patterns on the preliminary pattern layer using the patterned resin layer; and forming a wire grid polarizing unit in the display area by etching the metal layer using the preliminary pattern and the mask pattern as a polarizing pattern.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Hwan Jang, Kang-Soo Han, Jung-Gun Nam, Dae-Young Lee, Gug-Rae Jo
  • Publication number: 20160299380
    Abstract: Provided is a liquid crystal display including: a first substrate; a wire grid polarizer disposed on the first substrate and including a first region and a second region spaced apart from each other by a stitch line; and a first thin film layer disposed on the wire grid polarizer. The stitch line includes a shape of a curved line or a series of straight lines connected by bends.
    Type: Application
    Filed: November 13, 2015
    Publication date: October 13, 2016
    Inventors: Jung Gun NAM, Gug Rae JO, Dae-Young LEE, Kang Soo HAN
  • Publication number: 20160124133
    Abstract: A polarizer includes a buffer member and linear metal patterns. The buffer member includes protrusions. Each protrusion has downwardly-increasing width. The buffer member is formed of polymer. The linear metal patterns, spaced apart from each other, are extended in a first direction. Each linear metal pattern covers a respective protrusion.
    Type: Application
    Filed: July 15, 2015
    Publication date: May 5, 2016
    Inventors: Kang-Soo Han, Eun-Jung Kim, Gug-Rae Jo, Hyung-Bin Cho
  • Publication number: 20160116798
    Abstract: A method of manufacturing a polarizer, the method including: forming a metal layer on a substrate; forming a hard mask on the metal layer; forming an adhesion layer on a portion of the hard mask; forming a polymer layer on the hard mask and the adhesion layer; pressing a mold on the polymer layer to form a lattice pattern in association with the polymer layer; removing the mold and a portion of the lattice pattern; and patterning the adhesion layer, the hard mask, and the metal layer using a remaining portion of the lattice pattern as a mask.
    Type: Application
    Filed: April 21, 2015
    Publication date: April 28, 2016
    Inventors: Jung-Gun NAM, Dae-Young LEE, Dae-Hwan JANG, Gug-Rae JO, Hyung-Bin CHO, Kang-Soo HAN
  • Publication number: 20160114502
    Abstract: Provided are a method of manufacturing a mold, a method of manufacturing a polarizer, and a display apparatus including the polarizer. According to one or more exemplary embodiments, a method of manufacturing a mold, the method including: forming a polymer pattern on a substrate, the polymer pattern including protrusions; forming a wire grid template portion on the substrate by etching, the substrate being etched using protrusions of the polymer pattern as a mask; forming a cover mask covering a portion of the wire grid template portion; forming a recess in the substrate by etching, the substrate being etched using the cover mask, the recess having a bottom surface lower than an upper surface of the wire grid template portion; and removing the cover mask.
    Type: Application
    Filed: May 14, 2015
    Publication date: April 28, 2016
    Inventors: Kang-Soo HAN, Jung-Gun NAM, Moon-Jung AN, Dae-Young LEE, Dae-Hwan JANG, Gug-Rae JO