Patents by Inventor Gug-Rae Jo

Gug-Rae Jo 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: 20160202550
    Abstract: Provided are a liquid crystal display (LCD) comprising: a first substrate; a second substrate which faces the first substrate; a liquid crystal layer which is disposed between the first substrate and the second substrate; a wire grid polarizer (WGP) which is disposed on the first substrate; a WGP insulating layer which is disposed on the WGP and covers the WGP; and a pad electrode which is disposed on the first substrate, wherein the first substrate comprises a non-overlap area protruding from the second substrate, a sidewall of the WGP insulating layer is located in the non-overlap area, and the pad electrode extends from the non-overlap area of the first substrate along the sidewall of the WGP insulating laver.
    Type: Application
    Filed: April 8, 2015
    Publication date: July 14, 2016
    Inventors: Dae Young LEE, Dae Hwan JANG, Eun Jung KIM, Jung Gun NAM, Moon Jung AN, Joo Hyung LEE, Gug Rae JO, Hyung Bin CHO
  • Publication number: 20160195764
    Abstract: A display apparatus includes first, second and third substrates, first and second liquid crystal layers, first and second polarizing elements and a phase retarding element. The first substrate includes a first electrode part. The first liquid crystal layer is disposed on the first substrate. The second substrate is disposed on the first liquid crystal layer and includes a color filter and a second electrode part on a first surface and a third electrode part on a second surface. The second liquid crystal layer is disposed on the second substrate. The third substrate is disposed on the second liquid crystal layer and includes a fourth electrode part on a first surface. The first polarizing element is disposed under the first liquid crystal layer. The second polarizing element is disposed over the first liquid crystal layer. The phase retarding element is disposed over the second liquid crystal layer.
    Type: Application
    Filed: March 17, 2016
    Publication date: July 7, 2016
    Inventors: DAE-YOUNG LEE, GUG-RAE JO, JAE-HYUK CHANG, YOUN-GU LEE
  • Publication number: 20160181281
    Abstract: A display panel comprises a substrate, a gate line, a data line insulated from the gate line, a thin film transistor electrically connected to the gate line and the data line, wherein the thin film transistor comprises a gate electrode group formed on the substrate, a gate insulating film formed on the gate electrode group, an active layer formed on the gate insulating film to at least partially overlap the gate electrode group and a source electrode and a drain electrode formed on the active layer so as to be spaced apart from each other, wherein the gate electrode group includes a first gate electrode formed on the substrate, a second gate electrode formed on the first gate electrode, and an insulating layer between the first gate electrode and the second gate electrode, and wherein the first gate electrode has reflectivity higher than that of the second gate electrode.
    Type: Application
    Filed: July 30, 2015
    Publication date: June 23, 2016
    Inventors: Dae Young LEE, Byung Du AHN, Jung Gun NAM, Gug Rae JO
  • Publication number: 20160170261
    Abstract: A display panel includes a light blocking pattern and a polarizer. The light blocking pattern is disposed on a base substrate. A plurality of opening areas is defined based on the light blocking pattern. The polarizer includes a plurality of linear patterns spaced apart from each other. The plurality of opening areas includes a color area transmitting color light and a white area transmitting white light. The polarizer overlaps the color area and the white area.
    Type: Application
    Filed: June 29, 2015
    Publication date: June 16, 2016
    Inventors: Jung-Gun NAM, Gug-Rae Jo, Moon-Jung An, Dae-Young Lee
  • Publication number: 20160152022
    Abstract: A resin dispenser for nano-imprinting includes a housing including a lower chamber in which a resin is filled, a slit defined in a lower part of the lower chamber and through which the resin is discharged, and an upper chamber in which a pressure-applying fluid is filled, and a membrane separating the lower and upper chambers from each other, and of which an edge is fixed on a middle part of the housing, where the fluid is configured to apply the pressure to the membrane and protrude the membrane toward the slit of the lower chamber.
    Type: Application
    Filed: January 29, 2016
    Publication date: June 2, 2016
    Inventors: Bong-su SHIN, Dong-ouk KIM, Joon-young PARK, Sung-hoon LEE, Jae-seung CHUNG, Suk-gyu HAHM, Dae-young LEE, Gug-rae JO
  • Publication number: 20160131942
    Abstract: A display panel includes a first substrate, a second substrate disposed opposite to the first substrate and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first wire grid pattern disposed on the first substrate extending in a first direction. The first wire grid pattern includes first recesses spaced apart from each other. The first substrate includes first metal wires disposed in the recesses.
    Type: Application
    Filed: August 12, 2015
    Publication date: May 12, 2016
    Inventors: Moon-Jung AN, Jung-Gun NAM, Gug-Rae JO
  • Patent number: 9335582
    Abstract: A wire grid polarizer includes a substrate, a wire grid layer which is disposed on the substrate and includes a plurality of wire patterns arranged with a predetermined interval, where gaps are defined between the wire patterns, and a passivation layer which is disposed on the wire grid layer and includes first passivation particles which cover a top portion of the gaps.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: May 10, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon-yong Park, Sung-hoon Lee, Byung-hoon Kim, Jung-gun Nam, Dae-young Lee, Dae-hwan Jang, Gug-rae Jo, Atsushi Takakuwa
  • 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
  • Patent number: 9329316
    Abstract: A wire grid polarizer includes: a substrate; a wire grid layer disposed on the substrate and including a plurality of wire patterns arranged at regular intervals; and a passivation layer disposed on the substrate to cover the wire grid layer and including a material having a refractive index less than 1.4.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: May 3, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon-yong Park, Jung-gun Nam, Byung-hoon Kim, Dae-young Lee, Sung-hoon Lee, Gug-rae Jo, Atsushi Takakuwa, Suk Gyu Hahm
  • 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
  • Publication number: 20160116799
    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: Application
    Filed: October 13, 2015
    Publication date: April 28, 2016
    Inventors: Dae-Hwan JANG, Kang-Soo Han, Jung-Gun Nam, Dae-Young Lee, Gug-Rae Jo
  • Patent number: 9316877
    Abstract: A display apparatus includes first, second and third substrates, first and second liquid crystal layers, first and second polarizing elements and a phase retarding element. The first substrate includes a first electrode part. The first liquid crystal layer is disposed on the first substrate. The second substrate is disposed on the first liquid crystal layer and includes a color filter and a second electrode part on a first surface and a third electrode part on a second surface. The second liquid crystal layer is disposed on the second substrate. The third substrate is disposed on the second liquid crystal layer and includes a fourth electrode part on a first surface. The first polarizing element is disposed under the first liquid crystal layer. The second polarizing element is disposed over the first liquid crystal layer. The phase retarding element is disposed over the second liquid crystal layer.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Young Lee, Gug-Rae Jo, Jae-Hyuk Chang, Youn-Gu Lee
  • Patent number: 9316923
    Abstract: Provided are an exposure apparatus and an exposure method using the same. The exposure apparatus includes: a light source unit configured to emit light; a substrate stage supporting a substrate, the substrate comprising an exposure area and a non-exposure area; and a prism unit disposed between the light source unit and the substrate stage, the prism unit movable so as to transmit the light to the exposure area and to block the light from the non-exposure area.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Hoon Kim, Gug-Rae Jo, Hong-Suk Yoo, Bo-Kyoung Ahn
  • Patent number: 9318515
    Abstract: A method of forming a conductive pattern includes forming a trench on a substrate, and providing a conductive ink to the trench while an electric field is generated between the substrate and a nozzle which ejects the conductive ink.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Young Lee, Yong-Su Lee, Gug-Rae Jo, Hyung-Bin Cho
  • Patent number: 9293522
    Abstract: Provided is a method of manufacturing a capacitor of a display apparatus, the display apparatus being formed on a substrate and including a thin film transistor, which includes an active layer, a gate electrode, and source and drain electrodes, a display device connected to the thin film transistor, and the capacitor, the method including: forming an electrode layer on the substrate; forming a passivation layer on the electrode layer; patterning the passivation layer to form a first pattern including first branch patterns parallel to each other, and a second pattern including second branch patterns parallel to each other and interposed between the first branch patterns; and forming first and second electrodes by etching the electrode layer using the first and second patterns as masks.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Wang, Mu-Gyeom Kim, Tae-An Seo, Gug-Rae Jo, Dae-Young Lee, Jung-Gun Nam, Dae-Hwan Jang
  • Publication number: 20160033701
    Abstract: According an embodiment, a wire grid polarizer comprising a substrate, a plurality of conductive wire patterns that are formed on the substrate in a parallel arrangement, a first hard mask and a second hard mask disposed on the conductive wire patterns, and a protective layer formed on the first hard mask and the second hard mask, wherein a ratio of a vertical cross-sectional width of the first hard mask to a vertical cross-sectional width of the second hard mask is 1 or less is provided.
    Type: Application
    Filed: December 10, 2014
    Publication date: February 4, 2016
    Inventors: Sung Hoon YANG, Shin Il CHOI, Dae Young LEE, Gug Rae JO
  • Publication number: 20160026034
    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: Application
    Filed: June 9, 2015
    Publication date: January 28, 2016
    Inventors: Jung-Gun Nam, Eun-Jung Kim, Dae-Young Lee, Dae-Hwan Jang, Gug-Rae Jo, Kang-Soo Han
  • Patent number: 9244320
    Abstract: A liquid crystal display includes a transparent insulation substrate, a first polarizer, and a semiconductor layer, a thin film transistor, and a backlight unit. The first polarizer is disposed on the transparent insulation substrate. The first polarizer includes a light blocking film and metal wires. The semiconductor layer, disposed on the light blocking film, has a perimeter aligned with a perimeter of the light blocking film. The thin film transistor, disposed on the semiconductor layer, includes a source region and a drain region disposed in the semiconductor layer. The backlight unit, disposed under the transparent insulation substrate, provides light to the transparent insulation substrate. The blocking film reflects substantially all of the light. Gaps are disposed between the metal wires.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 26, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Hwan Jang, Sang Ho Park, Dong Jo Kim, Jung Gun Nam, Dae-Young Lee, Gug Rae Jo
  • Patent number: 9229137
    Abstract: A wire grid polarizer including a substrate, parallel conductive wire patterns which protrude from a top surface of the substrate, non-conductive wire patterns which are formed on the conductive wire patterns, respectively, and a protective layer which is formed on the conductive wire patterns and the non-conductive wire patterns. The protective layer includes first transparent particles having a diameter greater than a period of the conductive wire patterns, and spaces between the conductive wire patterns are filled with air or are evacuated to form a vacuum.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: January 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Atsushi Takakuwa, Jung Gun Nam, Moon Jung An, Eun Jung Kim, Gug Rae Jo