Patents by Inventor In Kak SONG

In Kak SONG 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).

  • Publication number: 20230327322
    Abstract: An antenna structure according to an embodiment includes an antenna device including an antenna unit, a circuit board electrically connected to the antenna unit, an insulating layer covering the antenna device and a portion of the circuit board, and an air layer formed between the antenna device and the insulating layer to partially cover the antenna unit.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 12, 2023
    Inventors: Dae Kyu KIM, In Kak SONG, Han Sub RYU
  • Publication number: 20230216178
    Abstract: An antenna device according to an aspect includes a dielectric layer, a radiator formed on the dielectric layer, and a transmission line connected to the radiator on the dielectric layer and formed in a mesh structure which is a set of unit cells defined by a plurality of conductive lines. A width of the transmission line may be an integer multiple of the width of the unit cell, and may be within an allowable error range.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 6, 2023
    Inventors: Byung Jin CHOI, In Kak SONG, So Eun JANG
  • Publication number: 20220416410
    Abstract: An antenna structure according to an embodiment of the present invention includes a first antenna unit including a first radiator, a first transmission line connected to the first radiator, and a guide pattern disposed around the first transmission line and separated from the first transmission line, a second antenna unit at least partially covered by the guide pattern of the first antenna unit in a plan view, and a dielectric layer interposed between the first antenna unit and the second antenna unit. An antenna structure implementing low-frequency and high-frequency properties with high reliability is provided.
    Type: Application
    Filed: June 24, 2022
    Publication date: December 29, 2022
    Inventors: Young Ju KIM, Yoon Ho HUH, Hee Jun PARK, Young Su LEE, In Kak SONG, Dong Pil PARK
  • Publication number: 20220269319
    Abstract: The present disclosure relates to an antenna element including: a dielectric layer; a radiation electrode arranged on an upper surface of the dielectric layer and including a first mesh structure; and a dummy electrode arranged on the upper surface of the dielectric layer and including a second mesh structure, in which at least one of the radiation electrode and the dummy electrode satisfies Equation 1, and an image display device including the same.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Inventors: Won-Hee Lee, Young-Ju Kim, In-Kak Song, So-Eun Jang
  • Patent number: 10048584
    Abstract: A thinner composition includes propyleneglycol alkylether acetate, cycloketone, and methyl 2-hydroxy isobutyrate. The thinner composition has excellent EBR, RRC, and rework properties, as well as effects of improving photoresist application uniformity, and in particular, exhibiting excellent solubility to photoresist having a high polarity, so as to be applicable to various photoresists.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: August 14, 2018
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol Min Choi, In Kak Song, Kyong Ho Lee
  • Patent number: 9952510
    Abstract: A thinner composition includes propyleneglycol C1-C10 alkylether, C1-C10 alkyl C1-C10 alkoxy propionate, and C1-C10 alkyl lactate, thereby is it possible to improve applicability of a photoresist while remarkably reducing an amount of the used photoresist, as well as having excellent solubility and EBR property to various photoresists, BARCs and underlayers.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 24, 2018
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Cheol Min Choi, In Kak Song, Kyong Ho Lee
  • Publication number: 20170059987
    Abstract: A thinner composition includes propyleneglycol alkylether acetate, cycloketone, and methyl 2-hydroxy isobutyrate. The thinner composition has excellent EBR, RRC, and rework properties, as well as effects of improving photoresist application uniformity, and in particular, exhibiting excellent solubility to photoresist having a high polarity, so as to be applicable to various photoresists.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 2, 2017
    Inventors: Cheol Min CHOI, In Kak SONG, Kyong Ho LEE
  • Patent number: 9568830
    Abstract: Provided are a thinner composition for improving coating property of a resist and for removing the same, which includes 10 to 80 wt. % of alkyl (with 1 to 5 carbon atoms) 2-hydroxyisobutyrate, 20 to 90 wt. % of propyleneglycol alkyl (with 1 to 5 carbon atoms)ether acetate, and 10 to 1000 ppm of a surfactant represented by Formula 1 to a total weight of the alkyl 2-hydroxyisobutyrate and propyleneglycol alkylether acetate, so as to achieve excellent solubility to various photoresists and bottom anti-reflective coatings (BARC) and high edge bead removing (EBR) performance, possibly be employed in a process for recycling photoresist-coated wafers, and remarkably improve coating property of the photoresist, and a method for manufacturing a semiconductor device or a thin film transistor liquid crystal display device including removal of the photoresist by using the above-described thinner composition.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: February 14, 2017
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jeong Hwan Kim, Kyong Ho Lee, In Kak Song
  • Publication number: 20160230129
    Abstract: A thinner composition includes propyleneglycol C1-C10 alkylether, C1-C10 alkyl C1-C10 alkoxy propionate, and C1-C10 alkyl lactate, thereby is it possible to improve applicability of a photoresist while remarkably reducing an amount of the used photoresist, as well as having excellent solubility and EBR property to various photoresists, BARCs and underlayers.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 11, 2016
    Inventors: Cheol Min CHOI, In Kak SONG, Kyong Ho LEE
  • Publication number: 20150355545
    Abstract: Provided are a thinner composition for improving coating property of a resist and for removing the same, which includes 10 to 80 wt. % of alkyl (with 1 to 5 carbon atoms) 2-hydroxyisobutyrate, 20 to 90 wt. % of propyleneglycol alkyl (with 1 to 5 carbon atoms)ether acetate, and 10 to 1000 ppm of a surfactant represented by Formula 1 to a total weight of the alkyl 2-hydroxyisobutyrate and propyleneglycol alkylether acetate, so as to achieve excellent solubility to various photoresists and bottom anti-reflective coatings (BARC) and high edge bead removing (EBR) performance, possibly be employed in a process for recycling photoresist-coated wafers, and remarkably improve coating property of the photoresist, and a method for manufacturing a semiconductor device or a thin film transistor liquid crystal display device including removal of the photoresist by using the above-described thinner composition.
    Type: Application
    Filed: June 10, 2015
    Publication date: December 10, 2015
    Inventors: Jeong Hwan KIM, Kyong Ho LEE, In Kak SONG
  • Patent number: 8575234
    Abstract: An ink composition, and a method of forming a pattern, a color filter and a method of manufacturing the color filter using the same. The ink composition includes a binder resin, a multifunctional monomer having an ethylenic unsaturated double bond, a coloring agent, a polymerization initiator containing a certain positive ion and a solvent. Therefore, the composition has excellent coating property and chemical resistance and also an improved adhesion to a printing member, and thus the ink composition may be useful in forming a precise micropattern using a roll printing method, particularly a reversed printing method.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: November 5, 2013
    Assignees: Samsung Display Co., Ltd., Dongwoo Fine-Chem Co., Ltd.
    Inventors: Seung-Jun Lee, Gug Rae Jo, Jae Hyuk Chang, Hyun-Seok Kim, Sung Hee Lee, Sang-Tae Kim, Yong Seok Choi, Sung Bae Moon, In Kak Song, Seung-Yong Lee
  • Publication number: 20120058273
    Abstract: An ink composition, and a method of forming a pattern, a color filter and a method of manufacturing the color filter using the same. The ink composition includes a binder resin, a multifunctional monomer having an ethylenic unsaturated double bond, a coloring agent, a polymerization initiator containing a certain positive ion and a solvent. Therefore, the composition has excellent coating property and chemical resistance and also an improved adhesion to a printing member, and thus the ink composition may be useful in forming a precise micropattern using a roll printing method, particularly a reversed printing method.
    Type: Application
    Filed: September 1, 2011
    Publication date: March 8, 2012
    Applicants: DONGWOO FINE-CHEM CO., LTD., Samsung Electronics Co., Ltd.
    Inventors: Seung-Jun LEE, Gug Rae JO, Jae-Hyuk CHANG, Hyun-Seok KIM, Sung Hee LEE, Sang-Tae KIM, Yong Seok CHOI, Sung Bae MOON, In Kak SONG, Seung-Yong LEE