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: 9733569
    Abstract: A mask includes a transparent substrate and a light blocking pattern. The light blocking pattern includes a light blocking part and a diffraction pattern. The light blocking part is disposed on the transparent substrate and is configured to block light. The diffraction pattern includes a plurality of protrusion parts and is configured to diffract the light. The plurality of protrusion parts protrudes from a side of the blocking part and is separated from each other.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: August 15, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Jin-Ho Ju
  • Publication number: 20170226294
    Abstract: A photosensitive resin composition, an organic light emitting display device, and method for manufacturing an organic light emitting device, the composition including a photosensitive compound; a solvent; and a silsesquioxane-based copolymer, the silsesquioxane-based copolymer being obtained by copolymerizing a compound represented by the following Chemical Formula 1 with at least one of a compound represented by the following Chemical Formula 2, and a compound represented by the following Chemical Formula 3; R1-R2—Si(R3)3??[Chemical Formula 1] R4—Si(R5)3??[Chemical Formula 2] Si(R6)4.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 10, 2017
    Inventors: Jeong Won KIM, Jun Hyuk WOO, Jin Ho JU, Beung Hwa JEONG, Jun-young KIM, Hwa-young KIM, Ho-Sung CHOI
  • Publication number: 20170221937
    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: April 19, 2017
    Publication date: August 3, 2017
    Inventors: Seung-Bo Shim, Jung-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 9671654
    Abstract: A liquid crystal display including: a first insulating substrate; a plurality of color filters disposed on the first insulating substrate; a light blocking member disposed on the color filters; a second insulating substrate facing the first insulating substrate; and a spacer disposed between the first insulating substrate and the second insulating substrate. The spacer includes a main column spacer and a sub-column spacer spaced apart from each other by a predetermined distance, a protrusion protruding toward the second insulating substrate by stacking at least one sub-color filter on the color filter, the main column spacer is disposed on the protrusion, and the light blocking member and the spacer are made of the same material.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: June 6, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kang, Yang-Ho Jung, Chul Won Park, Dae Youn Park, Jin Ho Ju
  • Patent number: 9606392
    Abstract: A display panel includes: a substrate including red, green, blue and white sub-pixel areas; red, green and blue color filter layers respectively in the red, green and blue sub-pixel areas; and a dummy color filter layer in the white sub-pixel area. The dummy color filter layer is adjacent to at least one of the red color filter layer, the green color filter layer, and the blue color filter layer, and the dummy color filter layer forms a step with the adjacent color filter layer.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: March 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Kyun Park, Jung-Soo Lee, Jeong Min Park, You Young Jin, Ji-Hyun Kim, Jun Chun, Jin Ho Ju
  • Patent number: 9594206
    Abstract: A complex substrate for a display apparatus, the complex substrate includes a lower base substrate including convex and concave patterns, the convex and concave patterns being integral with an upper side of the lower base substrate, a planarizing layer on the lower base substrate, the planarizing layer being integral with the convex and concave patterns, and the planarizing layer having different refractivity from the lower base substrate, and a wire grid pattern on the planarizing layer, the wire grid pattern including a plurality of nano wire metal patterns, each of the nano wire metal patterns having a width of no more than a micrometer.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang-Ho Jung, Hoon Kang, Chul-Won Park, Jin-Ho Ju
  • Publication number: 20170069807
    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: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Inventors: Young Do KIM, Jin Ho JU, Min KANG, Woo Sub SHIM
  • Patent number: 9581848
    Abstract: A liquid crystal display includes: a substrate including a major surface; a thin film transistor disposed over the substrate; a pixel electrode connected to the thin film transistor and disposed over the thin film transistor; a common electrode facing the pixel electrode; a roof layer disposed over the common electrode; a microcavity disposed between the pixel electrode and the common electrode; and a liquid crystal material contained in the microcavity, in which a side wall of the microcavity has an angle of 80° to 90° with respect to the major surface.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Koichi Sugitani, Yang-Ho Jung, Hoon Kang, Jin Ho Ju
  • 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: 9576987
    Abstract: A display substrate includes a substrate having a first region and a second region, a conductive pattern is provided in the first region of the substrate and includes a first conductive pattern and a second conductive pattern, the first conductive pattern has a gate electrode and a source electrode, the second conductive pattern has a source electrode and a drain electrode, an insulation layer pattern is positioned on the conductive pattern and exposes an outer sidewall of the conductive pattern, an organic layer is provided in the first region and the second region of the substrate and covers the insulation layer pattern, and a pixel electrode is provided on the organic layer and is electrically connected to the drain electrode through a contact hole in the organic layer.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim, Yang-Ho Jung
  • Patent number: 9567483
    Abstract: A method of manufacturing a display apparatus and a display apparatus manufactured by using (utilizing) the method.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Koichi Sugitani, Hoon Kang, Jae-Sung Kim, Jin-Ho Ju, Jin-Young Choi
  • Patent number: 9551895
    Abstract: A liquid crystal display is provided. The liquid crystal display includes: a substrate; a thin film transistor; a pixel electrode; a roof layer; a plurality of microcavities; and a partition wall. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The roof layer faces the pixel electrode. The microcavities are between the pixel electrode and the roof layer, the microcavities include a liquid crystal material. The partition wall is between the microcavities, and the partition wall is perpendicular to the roof layer.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang-Ho Jung, Pil Soon Hong, Jun Hong Park, Seung Bo Shim, Jin Ho Ju
  • Patent number: 9519173
    Abstract: A display panel includes a base substrate, a common electrode, a liquid crystal layer, a pixel electrode, a gate line, a data line, a switching element, a color filter and a light blocking pattern. The base substrate includes a trench. The common electrode is disposed in the trench. The liquid crystal layer is disposed in the trench and disposed on the common electrode. The pixel electrode is disposed on the base substrate and the liquid crystal layer. The gate line, the data line and the switching element are disposed on the base substrate and the pixel electrode. The color filter and the light blocking pattern are disposed on the gate line, the data line and the switching element.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang-Ho Jung, Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim
  • Patent number: 9513475
    Abstract: An electrowetting display device includes a black matrix that includes a plurality of openings corresponding to pixels, respectively, a first extension portion extending in a driving direction of an electrowetting layer, the driving direction being a direction in which motion of the electrowetting layer is induced when a voltage difference is applied between a common electrode and a pixel electrode, and a partition wall that partitions the pixels. The first extension portion includes first and second areas respectively extending in opposite directions to each other and a third area having a width substantially the same as a width of the partition wall. The first area has a width less than about half of a first length corresponding to a length extending between both sides of each pixel in the driving direction, and the second area has a width less than the width of the first area.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: December 6, 2016
    Assignee: Amazon Technologies, Inc.
    Inventors: Seung Bo Shim, Sung-Kyun Park, Yong Jun Park, Hyun-Sup Lee, Jin-Ho Ju
  • Patent number: 9505975
    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: May 7, 2012
    Date of Patent: November 29, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Do Kim, Jin Ho Ju, Min Kang, Woo Sub Shim
  • Patent number: 9490278
    Abstract: According to an exemplary embodiment of the present invention, a photomask includes a transparent substrate and a polarizing pattern. A polarizing pattern is disposed on a transparent substrate. The polarizing pattern polarize light.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: November 8, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang-Woo Park, Jeong-Won Kim, Jun-Hyuk Woo, Gwui-Hyun Park, Jin-Ho Ju
  • Patent number: 9417526
    Abstract: A photoresist composition includes an acid-labile polymer that is decomposable by reaction with an acid, a photoacid generator, an organic base having a pKa value of 9 or less and a solvent. Based on 100 parts by weight of the acid-labile polymer, the photoacid generator is about 1 to about 30 parts by weight, and the organic base is about 0.1 to about 5 parts by weight. The solvent is about 50 to about 90 wt % based on the total weight of the composition.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Chun, Jeong-Min Park, Sung-Kyun Park, Ji-Hyun Kim, Jin-Ho Ju, Hyoc-Min Youn, Dong-Myung Kim, Jin-Sun Kim, Tai-Hoon Yeo, Byung-Uk Kim
  • Publication number: 20160230289
    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: Application
    Filed: April 21, 2016
    Publication date: August 11, 2016
    Inventors: Bong-Yeon Kim, Jin-Ho Ju, Jun-Hyuk Woo, Jung-Hwan Song, Seok-Ho Lee, Seong-Sik Jeon, Jong-Su Han
  • 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