Patents by Inventor Jin-Ho Ju

Jin-Ho Ju 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: 10330999
    Abstract: A display panel includes a substrate, a thin-film transistor (TFT) disposed on the substrate, a first electrode electrically connected to the thin-film transistor, a roof layer disposed on the first electrode and a liquid crystal layer. The roof layer includes an organic insulating material, and defines a cavity that overlaps the first electrode. The liquid crystal layer is disposed in the cavity and is in direct contact with the roof layer.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Koichi Sugitani, Hoon Kang, Chul-Won Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 10290781
    Abstract: Provided is a color filter array panel. The color filter array panel according to exemplary embodiments of the present invention includes: a substrate; a color filter disposed on the substrate and including a colorant including at least one of a pigment and a dye, and a solid fluorescent material; and a light source unit supplying light to the color filter, in which the solid fluorescent material is an aggregation induced emission enhancement (AIEE) material of which a liquid state is solidified to increase fluorescence efficiency.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: May 14, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Do Kim, Jin Ho Ju, Min Kang, Woo Sub Shim
  • Publication number: 20190115411
    Abstract: A display device includes a substrate including a display region including a plurality of pixels and a non-display region at one side of the display region; at least one transistor on the substrate; a light emitting element connected to the transistor; a thin film encapsulation layer covering the light emitting element; a plurality of light blocking patterns on the thin film encapsulation layer, the plurality of light blocking patterns corresponding to at least a portion of a non-emission region of each pixel, and a planarization layer covering the light blocking patterns; and a touch sensor including a plurality of touch electrodes on the planarization layer. None of the light blocking patterns overlap touch electrodes.
    Type: Application
    Filed: September 18, 2018
    Publication date: April 18, 2019
    Inventors: Kwang Woo PARK, Jeong Won KIM, Dong Ki LEE, Jin Ho JU
  • Patent number: 10241246
    Abstract: A color filter array panel and a display device including the same are provided. The color filter array panel includes a substrate; a first pixel and a second pixel disposed adjacent to each other; a data line disposed on the substrate and between the first pixel and the second pixel; a first color filter disposed in the first pixel; a second color filter disposed in the second pixel, the first color filter and the second color filter overlap each other to form a color filter overlapped portion overlapping the data line; an inorganic layer disposed on the color filter overlapped portion; an organic layer disposed on the inorganic layer, the first color filter, and the second color filter; and a first pixel electrode disposed in the first pixel; and a second pixel electrode disposed in the second pixel The inorganic layer is disposed between the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: March 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hyuk Woo, Seung Bo Shim, Kwang Woo Park, Gwui-Hyun Park, Jin Ho Ju
  • Publication number: 20190088906
    Abstract: A display device may include a switching composite layer, a first electrode, a pixel defining layer, an emission layer, a second electrode, an encapsulation layer, a light blocking layer, and a touch sensor. The first electrode is positioned on the switching composite layer. The pixel defining layer covers an edge of the first electrode and has a first opening and a second opening that are spaced from each other. The emission layer is positioned inside the first opening. The second electrode covers the switching composite layer, the pixel defining layer, and the emission layer. The encapsulation layer covers the second electrode. The light blocking layer is positioned on the encapsulation layer. The touch sensor is positioned on the light blocking layer and includes a sensing electrode set. A material portion is positioned inside the second opening of the pixel defining layer and overlaps the sensing electrode set.
    Type: Application
    Filed: April 17, 2018
    Publication date: March 21, 2019
    Inventors: Kwang Woo PARK, Jeong Won KIM, Hyeon Bum LEE, Jin-Whan JUNG, Jin Ho JU
  • Publication number: 20190051711
    Abstract: An input sensing unit includes a base including light-transmitting areas and non-light transmitting areas. A light absorbing pattern is provided corresponding to the non-light transmitting areas and is configured to absorb incident light. A sensing electrode overlaps the light absorbing pattern. The light absorbing pattern has an aperture for exposing a light-transmitting area of the light-transmitting areas. A boundary of the aperture and an outer boundary of the light-transmitting area are spaced apart from each other. The input sensing unit has improved viewing angle/luminance ratio and improved characteristics of reflective color.
    Type: Application
    Filed: March 9, 2018
    Publication date: February 14, 2019
    Inventors: Hyeon Bum LEE, Jeong Won KIM, Hyoeng Ki KIM, Jun Hyuk WOO, Dong Ki LEE, Eon Joo LEE, Jin Ho JU
  • Publication number: 20190019819
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Seung-Bo SHIM, Jun-Gi KIM, Yong-Jun PARK, Yang-Ho JUNG, Jin-Ho JU
  • Patent number: 10095103
    Abstract: A photomask is provided. A photomask, comprising: a transparent substrate; and a plurality of filter layers disposed on the transparent substrate, wherein the filter layers include a first filter layer, which selectively transmits first-wavelength light therethrough, and a second filter layer, which selectively transmits second-wavelength light therethrough.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: October 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Woo Park, Jun Hyuk Woo, Jeong Won Kim, Seung Bo Shim, Jin Ho Ju
  • Patent number: 10083998
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: September 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 10018906
    Abstract: A display device includes a substrate including a first region and a second region, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, wherein the second region has a second contact hole of which an area is larger than that of a first contact hole of the first region.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Bo Shim, Dong-Hyun Yu, Jin-Ho Ju
  • Patent number: 9910330
    Abstract: In a display panel, a thin film transistor is connected to a gate line and a data line, and includes a gate electrode, a semiconductor pattern, a source electrode and a drain electrode. An organic pattern makes contact with a side surface of the data line and a side surface of the thin film transistor, and the organic pattern overlaps pixel areas of the display panel. A first passivation layer is on the data line, the thin film transistor and the organic pattern. A common electrode is on the first passivation layer, and the common electrode overlaps the pixel areas. A second passivation layer covers the common electrode. A pixel electrode is on the second passivation layer, the pixel electrode overlaps the common electrode, and the pixel electrode is electrically connected to the drain electrode through a first contact hole and the data line through a second contact hole.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: March 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Won Park, Hoon Kang, Koichi Sugitani, Jin-Ho Ju
  • 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
  • Patent number: 9897793
    Abstract: A substrate for an electrowetting display device including a pixel electrode, a partition wall pattern and a water-repellent pattern. The pixel electrode is formed on a base substrate. The partition wall pattern is disposed along an edge of the pixel electrode to expose the pixel electrode. The water-repellent pattern is disposed at a space formed by the pixel electrode and the partition wall pattern to be extended along a lower portion of side surfaces of the partition wall pattern from an area on which the pixel electrode is formed. The water-repellent pattern exposes an upper portion of the side surfaces and an upper surface of the partition wall pattern. Thus, a manufacturing reliability of a substrate for an electrowetting display device is improved to prevent a display quality from being reduced.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: February 20, 2018
    Assignee: Amazon Technologies, Inc.
    Inventors: Seung Bo Shim, Jin-Ho Ju, Dae Ho Kim, Sang-Il Kim, Sung-Kyun Park, Jae-Jin Lyu
  • Patent number: 9885950
    Abstract: A phase shift mask enables much smaller scale of electronic circuit pattern. A phase shift mask comprises a transparent substrate, a phase shift pattern arranged on the transparent substrate to change a phase of light that penetrates the transparent substrate, and a metal coating layer arranged on at least a part of a surface of the phase shift pattern.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Son, Min Kang, Bong Yeon Kim, Hyun Joo Lee, Jin Ho Ju
  • Patent number: 9869027
    Abstract: A cleaning composition includes about 0.01 to about 5 wt % of a chelating agent; about 0.01 to about 0.5 wt % of an organic acid; about 0.01 to about 1.0 wt % of an inorganic acid; about 0.01 to about 5 wt % of an alkali compound; and deionized water.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: January 16, 2018
    Assignees: SAMSUNG DISPLAY CO., LTD., LTCAM CO., LTD.
    Inventors: Bong-Yeon Kim, Jin-Ho Ju, Jun-Hyuk Woo, Jung-Hwan Song, Seok-Ho Lee, Seong-Sik Jeon, Jong-Su Han
  • Patent number: 9857682
    Abstract: A positive photosensitive siloxane resin composition includes a) a siloxane copolymer obtained by performing hydrolysis and condensation polymerization of i) at least one reactive silane represented by the following Chemical Formula 1 and ii) at least one 4-functional reactive silane represented by the following Chemical Formula 2 under a catalyst, the copolymer having a polystyrene-converted weight average molecular weight Mw of 1,000 to 20,000, b) a 1,2-quinonediazide compound, and c) a solvent, (R1)nSi(R2)4-n??[Chemical Formula 1] Si(R3)4??[Chemical Formula 2] wherein R1s may each independently be any one of an alkyl group having 1 to 10 carbon atoms and an aryl group having 6 to 15 carbon atoms, R2 may be an alkoxy group having 1 to 4 carbon atoms, phenoxy, or acetoxy, R3s may each independently be any one of an alkoxy group having 1 to 4 carbon atoms, phenoxy, or an acetoxy group, and n may be a natural number of 1 to 3.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: January 2, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Bo Shim, Jeong Won Kim, Jun Hyuk Woo, Jin Ho Ju, Kwang Woo Park, Byung Uk Kim, Tae-Hoon Yeo, Hyoc-Min Youn, Sang-Hoon Lee
  • Publication number: 20170371238
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Application
    Filed: September 8, 2017
    Publication date: December 28, 2017
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek
  • Patent number: 9778558
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: October 3, 2017
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek
  • Publication number: 20170276845
    Abstract: A color filter array panel and a display device including the same are provided. The color filter array panel includes a substrate; a first pixel and a second pixel disposed adjacent to each other; a data line disposed on the substrate and between the first pixel and the second pixel; a first color filter disposed in the first pixel; a second color filter disposed in the second pixel, the first color filter and the second color filter overlap each other to form a color filter overlapped portion overlapping the data line; an inorganic layer disposed on the color filter overlapped portion; an organic layer disposed on the inorganic layer, the first color filter, and the second color filter; and a first pixel electrode disposed in the first pixel; and a second pixel electrode disposed in the second pixel The inorganic layer is disposed between the first pixel electrode and the second pixel electrode.
    Type: Application
    Filed: March 22, 2017
    Publication date: September 28, 2017
    Inventors: Jun Hyuk WOO, Seung Bo SHIM, Kwang Woo PARK, Gwui-Hyun PARK, Jin Ho JU
  • Patent number: 9759968
    Abstract: A thin film transistor substrate includes a gate electrode on a base substrate, an active pattern on the gate electrode, a source electrode on a first end of the active pattern, a drain electrode on a second end of the active pattern, an organic insulation layer on the source electrode and the drain electrode, and a transparent electrode contacting the drain electrode through a contact opening in the organic insulation layer. The drain electrode is spaced from the source electrode. The organic insulation layer includes a first thickness portion around the contact opening and a second thickness portion adjacent to the first thickness portion. The second thickness portion has a thickness greater than that of the first thickness portion.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-Hyun Cho, Sung-Kyun Park, Ji-Hyun Kim, Jeong-Min Park, Jung-Soo Lee, Jun Chun, Jin-Ho Ju