Patents by Inventor Jung-Gun NAM

Jung-Gun NAM 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: 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
  • 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: 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: 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: 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: 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: 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
  • Patent number: 9223069
    Abstract: A polarizer includes a substrate having a first refractive index, a metal pattern disposed on the substrate, and a passivation layer disposed on the metal pattern. The metal pattern includes a plurality of protrusions having widths. The passivation layer has a second refractive index and covers at least one surface of the protrusions.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: December 29, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Hwan Jang, Jung-Gun Nam, Dae-Young Lee, Gug-Rae Jo, Hyung-Bin Cho, Atsushi Takakuwa
  • Patent number: 9195093
    Abstract: A polarizer includes an opening defined in the polarizer and through which light transmits; a non-opening which is adjacent to the opening and blocks the light; a plurality of metal lines elongated in a first direction, and separated from each other in a second direction different than the first direction, in the opening; and a plate-type pattern in the non-opening. A height of the metal lines is smaller than a height of the plate-type pattern, from a same reference; and an interval in the second direction and between adjacent metal lines is smaller than a wavelength of visible light rays.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Gun Nam, Dae-Young Lee, Dae Hwan Jang, Gug Rae Jo, Atsushi Takakuwa
  • Patent number: 9150020
    Abstract: A liquid droplet discharge apparatus that discharges liquid droplets finely and stably and includes a liquid droplet discharge unit and a voltage applying unit that is connected to the liquid droplet discharge unit, the liquid droplet discharge unit includes a nozzle and a tube that surrounds the nozzle, and the nozzle and the tube are coated with metal.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: October 6, 2015
    Assignees: Samsung Display Co., Ltd., Unist Academy-Industry Research Corporation
    Inventors: Dae-Young Lee, Hyang-Shik Kong, Jung Gun Nam, Gug Rae Jo, Hyung Bin Cho, Byeong Wan Ahn, Jan Ung Park
  • Patent number: 9123909
    Abstract: An organic light emitting diode display is disclosed In one aspect, the display includes a display panel, a grid layer positioned on the display panel, wherein the grid layer includes a plurality of protrusions formed of a first protrusion and a second protrusion formed on a surface of the first protrusion, and a window positioned on the grid layer.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: September 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Wang, Mu-Gyeom Kim, Gug-Rae Jo, Dae-Young Lee, Jung-Gun Nam, Dae-Hwan Jang, Hyun-Jae Lee
  • Publication number: 20150198845
    Abstract: A display device includes a first base substrate, a second base substrate, pixels, a first polarizer, and a second polarizer. The first base substrate includes light transmitting areas and a light blocking area surrounding each of the light transmitting areas. The pixels respectively overlap the light transmitting areas. The first and second polarizers are spaced apart from each other such that the pixels are disposed therebetween. At least one of the first and second polarizers includes a plurality of optical conversion layers, each of which comprises a plurality of lattice wires.
    Type: Application
    Filed: October 29, 2014
    Publication date: July 16, 2015
    Inventors: Dae-Young LEE, Donggun PARK, Hyang-Shik KONG, Jung Gun NAM, Gugrae JO
  • Publication number: 20150162390
    Abstract: An organic light-emitting display apparatus includes: a first substrate; a display unit on the first substrate, the display unit being divided into a pixel unit and a non-pixel unit located around the pixel unit; a first electrode having an island shape to correspond to the pixel unit; a second electrode facing the first electrode and over the pixel unit and the non-pixel unit; an organic light-emitting layer between the first electrode and the second electrode and to emit light toward the second electrode; a second substrate facing the second electrode and bonded with the first substrate; and a light output unit arranged as a part corresponding to the pixel unit and a light reflection unit arranged as a part corresponding to the non-pixel unit, wherein the light output unit and the light reflection unit are on an internal surface of the second substrate facing the second electrode.
    Type: Application
    Filed: March 26, 2014
    Publication date: June 11, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong-Min Wang, Jung-Gun Nam, Dae-Young Lee
  • Publication number: 20150138278
    Abstract: A liquid droplet discharge apparatus that discharges liquid droplets finely and stably and includes a liquid droplet discharge unit and a voltage applying unit that is connected to the liquid droplet discharge unit, the liquid droplet discharge unit includes a nozzle and a tube that surrounds the nozzle, and the nozzle and the tube are coated with metal.
    Type: Application
    Filed: June 2, 2014
    Publication date: May 21, 2015
    Applicants: SAMSUNG DISPLAY CO., LTD., UNIST, Academy-Industry Research Corporation
    Inventors: Dae-Young Lee, Hyang-Shik Kong, Jung Gun Nam, Gug Rae Jo, Hyung Bin Cho, Byeong Wan Ahn, Jan Ung Park
  • Patent number: 9001290
    Abstract: A polarizer includes a substrate, and a first metal layer and a second metal layer disposed on the substrate. The first metal layer includes a plurality of protrusions of a wire grid pattern. Each protrusion has a first width and adjacent protrusions are spaced apart by a second width. The second metal layer is disposed on each of the protrusions of the first metal layer, and includes molybdenum (Mo) and/or titanium (Ti).
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Young Lee, Moon-Jung An, Su-Mi Lee, Gug-Rae Jo, Eun-Jung Kim, Jung-Gun Nam, Dae-Hwan Jang, Hyung-Bin Cho, Atsushi Takakuwa
  • Publication number: 20150092140
    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: Application
    Filed: March 28, 2014
    Publication date: April 2, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Atsushi TAKAKUWA, Jung Gun Nam, Moon Jung An, Eun Jung Kim, Gug Rae Jo
  • Publication number: 20150070762
    Abstract: A polarizer includes a base substrate, a metal wire layer disposed on the base substrate, and a plurality of wire grid patterns disposed on the base substrate or the metal wire layer.
    Type: Application
    Filed: March 13, 2014
    Publication date: March 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Moonjung AN, Hyungbin CHO, JUNG GUN NAM, Dae-Young LEE, GUGRAE JO
  • Publication number: 20150062497
    Abstract: A display apparatus may include a backlight assembly configured to generate an emitted light and a display panel configured to receive the emitted light to display images. The display panel may include a display substrate, an opposite substrate facing the display substrate, a wire grid polarizer, and a reflection reducing layer. The wire grid polarizer may be disposed on at least one of the display substrate and the opposite substrate to polarize the emitted light. The reflection reducing layer may have a grid shape and may be disposed on the wire grid polarizer. The reflection reducing layer may reduce an amount of a light reflected by the wire grid polarizer.
    Type: Application
    Filed: March 5, 2014
    Publication date: March 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jung Gun NAM, Moonjung AN, Dae-Young LEE, Daehwan JANG, Gugrae JO, Takakuwa ATSUSHI