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).
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Patent number: 12011934Abstract: 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: GrantFiled: July 22, 2022Date of Patent: June 18, 2024Assignee: SEMES CO., LTD.Inventors: Sung Ho Kim, Yoon Ok Jang, Bo Yeon Hwang, Hyun Min Lee, Kwang Jun Choi
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Patent number: 11867999Abstract: 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: GrantFiled: August 18, 2021Date of Patent: January 9, 2024Assignee: SEMES CO., LTD.Inventors: Jun Seok Lee, Yoon-Ok Jang, Sung Ho Kim, Kwang Jun Choi, Hyun Min Lee
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Patent number: 11789305Abstract: 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: GrantFiled: July 8, 2020Date of Patent: October 17, 2023Assignee: SEMES CO., LTD.Inventors: Han Lim Kang, Yoon Ok Jang, Jun Seok Lee, Hyun Min Lee
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Patent number: 11787171Abstract: 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: GrantFiled: June 3, 2021Date of Patent: October 17, 2023Assignee: Semes Co., Ltd.Inventors: Sung Ho Kim, Yoon Ok Jang, Hyun Min Lee, Jun Seok Lee, Kwang Jun Choi
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Patent number: 11707944Abstract: 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: GrantFiled: August 20, 2021Date of Patent: July 25, 2023Assignee: SEMES CO., LTD.Inventors: Jun Seok Lee, Yoon-Ok Jang, Sung Ho Kim, Kwang Jun Choi, Hyun Min Lee
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Publication number: 20230068295Abstract: 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: ApplicationFiled: July 22, 2022Publication date: March 2, 2023Inventors: Sung Ho KIM, Yoon Ok Jang, Bo Yeon Hwang, Hyun Min Lee, Kwang Jun Choi
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Publication number: 20220055376Abstract: 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: ApplicationFiled: August 18, 2021Publication date: February 24, 2022Inventors: JUN SEOK LEE, YOON-OK JANG, SUNG HO KIM, KWANG JUN CHOI, HYUN MIN LEE
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Publication number: 20220055391Abstract: 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: ApplicationFiled: August 20, 2021Publication date: February 24, 2022Inventors: JUN SEOK LEE, YOON-OK JANG, SUNG HO KIM, KWANG JUN CHOI, HYUN MIN LEE
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Publication number: 20220009224Abstract: 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: ApplicationFiled: June 3, 2021Publication date: January 13, 2022Inventors: Sung Ho Kim, Yoon Ok Jang, Hyun Min Lee, Jun Seok Lee, Kwang Jun Choi
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Patent number: 11161337Abstract: 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: GrantFiled: July 2, 2020Date of Patent: November 2, 2021Assignee: SEMES CO., LTD.Inventors: Han Lim Kang, Yoon Ok Jang, Jun Seok Lee, Hyun Min Lee
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Patent number: 11046078Abstract: 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: GrantFiled: April 8, 2019Date of Patent: June 29, 2021Assignee: Semes Co., Ltd.Inventors: Dong Yun Lee, Yoon-Ok Jang, Jaehun Jung
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Publication number: 20210011328Abstract: 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: ApplicationFiled: July 8, 2020Publication date: January 14, 2021Applicant: SEMES CO., LTD.Inventors: Han Lim KANG, Jun Seok LEE, Yoon Ok JANG, Hyun Min LEE
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Publication number: 20210001626Abstract: 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: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Applicant: SEMES CO., LTD.Inventors: Han Lim KANG, Yoon Ok JANG, Jun Seok LEE, Hyun Min LEE
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Publication number: 20190308414Abstract: 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: ApplicationFiled: April 8, 2019Publication date: October 10, 2019Applicant: Semes Co., Ltd.Inventors: Dong Yun Lee, Yoon-Ok Jang, Jaehun Jung