Patents by Inventor Tae-hoon Yeo

Tae-hoon Yeo 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: 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: 20160195810
    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, Ras 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: Application
    Filed: October 27, 2015
    Publication date: July 7, 2016
    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
  • Patent number: 9239518
    Abstract: A photosensitive resin composition includes: an acrylic copolymer comprising a polymerization product of a first monomer comprising at least one selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and a second monomer comprising an olefin-based unsaturated compound; a photosensitive component comprising at least one 1,2-quinonediazide-5-sulfonic acid ester compound selected from compounds represented by Chemical Formulae 1 to 4; a coupling agent; and a solvent, wherein a total amount of asymmetric compounds in the photosensitive component is greater than or equal to 45 area percent as determined by high performance liquid chromatography: wherein R1 is a hydroxyl group or a methyl group, and NQD is a 1,2-quinonediazide 5-sulfonyl group.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: January 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Ho Ju, Seung Bo Shim, Jun Gi Kim, Yang-Ho Jung, Hyang-Shik Kong, Byung-Uk Kim, Jin-Sun Kim, Tae-Hoon Yeo, Hyoc-Min Youn, Sang-Hoon Lee
  • Publication number: 20140234776
    Abstract: A photosensitive resin composition includes: an acrylic copolymer comprising a polymerization product of a first monomer comprising at least one selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and a second monomer comprising an olefin-based unsaturated compound; a photosensitive component comprising at least one 1,2-quinonediazide-5-sulfonic acid ester compound selected from compounds represented by Chemical Formulae 1 to 4; a coupling agent; and a solvent, wherein a total amount of asymmetric compounds in the photosensitive component is greater than or equal to 45 area percent as determined by high performance liquid chromatography: wherein R1 is a hydroxyl group or a methyl group, and NQD is a 1,2-quinonediazide 5-sulfonyl group.
    Type: Application
    Filed: January 23, 2014
    Publication date: August 21, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jin Ho JU, Seung Bo SHIM, Jun Gi KIM, Yang-Ho JUNG, Hyang-Shik KONG, Byung-Uk KIM, Jin-Sun KIM, Tae-Hoon YEO, Hyoc-Min YOUN, Sang-Hoon LEE
  • Publication number: 20120270142
    Abstract: A photosensitive composition and a method of manufacturing a substrate used for a display device are disclosed. The photosensitive composition includes an acrylic based copolymer, a photo-initiator, a photo-sensitizer and a solvent. Thus, a photosensitivity of the photosensitive composition for ultra violet light of a long wavelength may be improved.
    Type: Application
    Filed: January 25, 2012
    Publication date: October 25, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hi-Kuk LEE, Su-Yeon SIM, Sang-Hyun YUN, Cha-Dong KIM, Jung-In PARK, Byung-Uk KIM, Jin-Sun KIM, Tae-Hoon YEO, Hyoc-Min YOUN, Sang-Hoon LEE
  • Patent number: 8173729
    Abstract: The present invention relates to a photosensitive resin composition, particularly to a photosensitive resin composition for forming an interlayer organic insulating film for TFT-LCD, comprising 0.01 to 20 wt % of UV stabilizer or radical scavenger. The photosensitive resin composition of the present invention can be used for forming an interlayer organic insulating film for TFT-LCD to improve active unfilled area upon over exposure in liquid crystal photo-alignment process, can easily control resolution of pattern, and is particularly suitable for forming a planarization layer of an interlayer organic insulating film.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: May 8, 2012
    Assignee: Dongjin Semichem Co., Ltd.
    Inventors: Hyoc-min Youn, Byung-uk Kim, Ki-hyuk Koo, Tae-hoon Yeo, Joo-pyo Yun, Hong-dae Shin, Sang Hoon Lee, Dong-myung Kim, Su-youn Choi, Jin Sun Kim, Chang-Min Woo, Hong-Suk Kim
  • Publication number: 20100222473
    Abstract: The present invention relates to a photosensitive resin composition, particularly to a photosensitive resin composition for forming an interlayer organic insulating film for TFT-LCD, comprising 0.01 to 20 wt % of UV stabilizer or radical scavenger. The photosensitive resin composition of the present invention can be used for forming an interlayer organic insulating film for TFT-LCD to improve active unfilled area upon over exposure in liquid crystal photo-alignment process, can easily control resolution of pattern, and is particularly suitable for forming a planarization layer of an interlayer organic insulating film.
    Type: Application
    Filed: March 1, 2010
    Publication date: September 2, 2010
    Applicant: DONGJIN SEMICHEM Co., Ltd.
    Inventors: Hyoc-min YOUN, Byung-uk KIM, Ki-hyuk KOO, Tae-hoon YEO, Joo-pyo YUN, Hong-dae SHIN, Sang Hoon LEE, Dong-myung KIM, Su-youn CHOI, Jin Sun KIM, Chang-Min WOO, Hong-Suk KIM