Patents by Inventor Yoon-Ok Jang

Yoon-Ok Jang 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: 11867999
    Abstract: A color filter is provided. The color filter includes a substrate, a bank formed on a substrate to partition a plurality of pixel units into each other, a plurality of first structures formed on the pixel unit, and having a width narrower than a width of the pixel unit, and a height lower than a height of the bank, and an ink film filled in the pixel unit and having a height higher than the height of the first structures.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: January 9, 2024
    Assignee: SEMES CO., LTD.
    Inventors: Jun Seok Lee, Yoon-Ok Jang, Sung Ho Kim, Kwang Jun Choi, Hyun Min Lee
  • Patent number: 11789305
    Abstract: A substrate, a display panel, and a substrate manufacturing method are proposed. The substrate includes a base layer; partitioning walls located on the base layer and dividing the base layer into a plurality of pixel regions, and patterns located in each of the pixel regions of the base layer, and guiding spread of a liquid drop discharged to the base layer.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: October 17, 2023
    Assignee: SEMES CO., LTD.
    Inventors: Han Lim Kang, Yoon Ok Jang, Jun Seok Lee, Hyun Min Lee
  • Patent number: 11787171
    Abstract: An ink impact point correction apparatus for automatically measuring and correcting an impact point of ink using a pattern on a substrate, on which a coordinate system is displayed, and a substrate treating system including the same are provided. The ink impact point correction apparatus includes a recognition unit for acquiring information on the impact point of ink at a plurality of points located on a substrate; and a correction unit for correcting a position of an ink discharge point on the substrate based on the information on the impact point, wherein a coordinate pattern in the form of a coordinate system is formed at the plurality of points.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: October 17, 2023
    Assignee: Semes Co., Ltd.
    Inventors: Sung Ho Kim, Yoon Ok Jang, Hyun Min Lee, Jun Seok Lee, Kwang Jun Choi
  • Patent number: 11707944
    Abstract: Disclosed is a substrate treating apparatus. The substrate treating apparatus may include a stage including an accommodation area, onto or from which a substrate is loaded or unloaded, and a treatment area, in which the substrate is treated, a liquid discharge head that supplies a treatment liquid to the substrate, and a liquid receiving part that receives the treatment liquid pre-discharged by the liquid discharge head in the treatment area.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: July 25, 2023
    Assignee: SEMES CO., LTD.
    Inventors: Jun Seok Lee, Yoon-Ok Jang, Sung Ho Kim, Kwang Jun Choi, Hyun Min Lee
  • Publication number: 20230068295
    Abstract: A substrate processing apparatus and a substrate processing method are provided, which can improve the yield by minimizing the occurrence of stains. The substrate processing method includes forming on the substrate a plurality of ink patterns spaced apart from each other by jetting ink onto the substrate by using a plurality of nozzles, calculating the density of each of the plurality of ink patterns, and selecting at least one nozzle for jetting ink into one pixel area based on respectively calculated densities of the plurality of ink patterns.
    Type: Application
    Filed: July 22, 2022
    Publication date: March 2, 2023
    Inventors: Sung Ho KIM, Yoon Ok Jang, Bo Yeon Hwang, Hyun Min Lee, Kwang Jun Choi
  • Publication number: 20220055376
    Abstract: A color filter is provided. The color filter includes a substrate, a bank formed on a substrate to partition a plurality of pixel units into each other, a plurality of first structures formed on the pixel unit, and having a width narrower than a width of the pixel unit, and a height lower than a height of the bank, and an ink film filled in the pixel unit and having a height higher than the height of the first structures.
    Type: Application
    Filed: August 18, 2021
    Publication date: February 24, 2022
    Inventors: JUN SEOK LEE, YOON-OK JANG, SUNG HO KIM, KWANG JUN CHOI, HYUN MIN LEE
  • Publication number: 20220055391
    Abstract: Disclosed is a substrate treating apparatus. The substrate treating apparatus may include a stage including an accommodation area, onto or from which a substrate is loaded or unloaded, and a treatment area, in which the substrate is treated, a liquid discharge head that supplies a treatment liquid to the substrate, and a liquid receiving part that receives the treatment liquid pre-discharged by the liquid discharge head in the treatment area.
    Type: Application
    Filed: August 20, 2021
    Publication date: February 24, 2022
    Inventors: JUN SEOK LEE, YOON-OK JANG, SUNG HO KIM, KWANG JUN CHOI, HYUN MIN LEE
  • Publication number: 20220009224
    Abstract: An ink impact point correction apparatus for automatically measuring and correcting an impact point of ink using a pattern on a substrate, on which a coordinate system is displayed, and a substrate treating system including the same are provided. The ink impact point correction apparatus includes a recognition unit for acquiring information on the impact point of ink at a plurality of points located on a substrate; and a correction unit for correcting a position of an ink discharge point on the substrate based on the information on the impact point, wherein a coordinate pattern in the form of a coordinate system is formed at the plurality of points.
    Type: Application
    Filed: June 3, 2021
    Publication date: January 13, 2022
    Inventors: Sung Ho Kim, Yoon Ok Jang, Hyun Min Lee, Jun Seok Lee, Kwang Jun Choi
  • Patent number: 11161337
    Abstract: A liquid drop discharge apparatus is proposed. The liquid drop discharge apparatus includes: an inkjet head discharging ink to each of pixels of a substrate; a laser emitter coupled to the inkjet head, and emitting an aiming laser beam by which a discharged position of a liquid drop from the inkjet head to each of the pixels is aimed; a camera capturing an emitted position of the aiming laser beam on the substrate; and a position alignment unit aligning a position of the inkjet head on the basis of image data obtained from the shooting unit.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: November 2, 2021
    Assignee: SEMES CO., LTD.
    Inventors: Han Lim Kang, Yoon Ok Jang, Jun Seok Lee, Hyun Min Lee
  • Patent number: 11046078
    Abstract: In a method of supplying chemical liquid using an ink jet head including a central portion and peripheral portions each having a first portion and a second portion, a first chemical liquid supply of a chemical liquid may be provided from the central portion onto a substrate, a second chemical liquid supply of the chemical liquid may be provided from the first portion onto a substrate, and a third chemical liquid supply of the chemical liquid may be provided from the second portion onto a substrate. The ink jet head may be moved over the substrate by a length of the peripheral portion. The first chemical liquid supply of the chemical liquid may be provided from the central portion onto a substrate, the second chemical liquid supply of the chemical liquid may be provided from the first portion onto a substrate, and the third chemical liquid supply of the chemical liquid may be provided from the second portion onto a substrate.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: June 29, 2021
    Assignee: Semes Co., Ltd.
    Inventors: Dong Yun Lee, Yoon-Ok Jang, Jaehun Jung
  • Publication number: 20210011328
    Abstract: A substrate, a display panel, and a substrate manufacturing method are proposed. The substrate includes a base layer; partitioning walls located on the base layer and dividing the base layer into a plurality of pixel regions, and patterns located in each of the pixel regions of the base layer, and guiding spread of a liquid drop discharged to the base layer.
    Type: Application
    Filed: July 8, 2020
    Publication date: January 14, 2021
    Applicant: SEMES CO., LTD.
    Inventors: Han Lim KANG, Jun Seok LEE, Yoon Ok JANG, Hyun Min LEE
  • Publication number: 20210001626
    Abstract: A liquid drop discharge apparatus is proposed. The liquid drop discharge apparatus includes: an inkjet head discharging ink to each of pixels of a substrate; a laser emitter coupled to the inkjet head, and emitting an aiming laser beam by which a discharged position of a liquid drop from the inkjet head to each of the pixels is aimed; a camera capturing an emitted position of the aiming laser beam on the substrate; and a position alignment unit aligning a position of the inkjet head on the basis of image data obtained from the shooting unit.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Applicant: SEMES CO., LTD.
    Inventors: Han Lim KANG, Yoon Ok JANG, Jun Seok LEE, Hyun Min LEE
  • Publication number: 20190308414
    Abstract: In a method of supplying chemical liquid using an ink jet head including a central portion and peripheral portions each having a first portion and a second portion, a first chemical liquid supply of a chemical liquid may be provided from the central portion onto a substrate, a second chemical liquid supply of the chemical liquid may be provided from the first portion onto a substrate, and a third chemical liquid supply of the chemical liquid may be provided from the second portion onto a substrate. The ink jet head may be moved over the substrate by a length of the peripheral portion. The first chemical liquid supply of the chemical liquid may be provided from the central portion onto a substrate, the second chemical liquid supply of the chemical liquid may be provided from the first portion onto a substrate, and the third chemical liquid supply of the chemical liquid may be provided from the second portion onto a substrate.
    Type: Application
    Filed: April 8, 2019
    Publication date: October 10, 2019
    Applicant: Semes Co., Ltd.
    Inventors: Dong Yun Lee, Yoon-Ok Jang, Jaehun Jung