Patents by Inventor Haksu Lee

Haksu Lee 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: 20240127760
    Abstract: A display apparatus includes a mode controller configured to generate a first control signal and a second control signal by using a gate-off voltage and a gate-on voltage; a gate driving circuit configured to generate an emission signal; a first pixel circuit including a driving transistor, a first transistor receiving the first control signal, a second transistor receiving the second control signal, a third transistor receiving the emission signal, a first light emitting element connected to the first transistor, and a second light emitting element connected to the second transistor; a first lens disposed on the first light emitting element; and a second lens disposed on the second light emitting element.
    Type: Application
    Filed: October 5, 2023
    Publication date: April 18, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: SeongHo Cho, DaeSung Jung, HwanJoo Lee, Haksu Kim
  • Publication number: 20220356284
    Abstract: A preparation of an aqueous composition that is resistant to temperature variations may include the use of at least one specific heat-stabilizing agent. The heat stabilization of the viscosity of the aqueous composition within a wide temperature range. Such heat-stabilizing agents may include, in polymerized form: (a1) an anionic monomer comprising a polymerizable olefinic unsaturation and a carboxylic acid group, optionally in salt form; (a2) a C1-C7 ester of acrylic acid, methacrylic acid, maleic acid, and/or itaconic acid; (a3) an associative monomer of a formula, R1-(EO)m-(PO)n-R2, wherein m and n are independently 0 or an integer or decimal less than 150, m or n being different from 0, EO is independently a CH2CH2O group, PO is independently a combination of (i) CH2CH2O and (ii) CH(CH3)CH2O and/or CH2CH(CH3)O, R1 is independently a group comprising a polymerizable olefinic unsaturation, and R2 is independently a straight C28-C40-alkyl group or a C28-C40-alkyl group.
    Type: Application
    Filed: December 14, 2020
    Publication date: November 10, 2022
    Applicant: COATEX
    Inventors: Lori HOWELL, Haksu LEE, Benoit MAGNY, Yves MATTER, Denis RUHLMANN, Jean Marc SUAU
  • Publication number: 20200377741
    Abstract: The invention relates to the field of marking hard surface substrates, in particular to the field of traffic paints. The invention thus provides an aqueous composition useful for marking hard surface substrates. The composition according to the invention comprises a binder and a pigment that is dispersed with a particular (meth)acrylic polymer. The invention also provides a method for preparing such a composition as well as a method for marking a hard surface substrate with such a composition.
    Type: Application
    Filed: January 14, 2019
    Publication date: December 3, 2020
    Applicant: COATEX
    Inventors: Alexandra FOGUTH, Lori HOWELL, Haksu LEE
  • Patent number: 9879138
    Abstract: The present invention provides thermosetting aqueous binder compositions of one or more diprimary diamine, e.g. lysine, or poly(primary amine), e.g. polyethylenimine, and one or more reducing sugar in which the number of equivalents of primary amine relative to the number of equivalents of carbonyl groups in the reducing sugar ranges from 0.4:1 to 2:1, the binders being suitable for use on fiber, nonwoven, woven web and finely divided substrates. The binders are at least substantially formaldehyde free, need no polycarboxylic or polycarboxylate component, and yet provide excellent hot wet tensile strength when cured for as little time as a minute or less in use.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: January 30, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: William Finch, Haksu Lee, Charles J. Rand, Robert L. Sammler, Frances J. Timmers, Barry Weinstein
  • Patent number: 9487642
    Abstract: The invention provides aqueous thermosetting binder compositions exhibiting both of improved flame retardation and wet tensile strength comprising a reducing sugar, a diprimary diamine or a polyprimary diamine, a phosphorus acid salt and from 3 to 20 wt. %, based on total solids, of an aqueous polymeric polyacid solution polymer containing phosphorus or its salt, wherein the aqueous thermosetting binder composition comprises from 0.7% P (s/s) to 5% P (s/s).
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: November 8, 2016
    Assignee: Rohm and Haas Company
    Inventors: Haksu Lee, Charles J. Rand, Barry Weinstein, Thomas T. Zwolak
  • Patent number: 9193867
    Abstract: The present invention provides thermosetting aqueous binder compositions comprising one or more reducing sugar, one or more diprimary diamine or poly(primary amine), and from 7 to 45 wt. %, based on total solids, of one or more polysaccharide having a dextrose equivalent (DE) value of from 5 to 30. The compositions provide treated articles, such as fiberglass mat. The binders provide articles having a dramatically reduced binder weight loss upon cure and a reduction in cure energy needed to achieve early dry strength.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: November 24, 2015
    Inventors: William Christopher Finch, Haksu Lee, Charles J. Rand, C. Damien Rodowski, Barry Weinstein
  • Publication number: 20130323493
    Abstract: The invention provides aqueous thermosetting binder compositions exhibiting both of improved flame retardation and wet tensile strength comprising a reducing sugar, a diprimary diamine or a polyprimary diamine, a phosphorus acid salt and from 3 to 20 wt. %, based on total solids, of an aqueous polymeric polyacid solution polymer containing phosphorus or its salt, wherein the aqueous thermosetting binder composition comprises from 0.7% P (s/s) to 5% P (s/s).
    Type: Application
    Filed: May 24, 2013
    Publication date: December 5, 2013
    Inventors: Haksu Lee, Charles J. Rand, Barry Weinstein, Thomas T. Zwolak
  • Publication number: 20130323492
    Abstract: The present invention provides thermosetting aqueous binder compositions comprising one or more reducing sugar, one or more diprimary diamine or poly(primary amine), and from 7 to 45 wt. %, based on total solids, of one or more polysaccharide having a dextrose equivalent (DE) value of from 5 to 30. The compositions provide treated articles, such as fiberglass mat. The binders provide articles having a dramatically reduced binder weight loss upon cure and a reduction in cure energy needed to achieve early dry strength.
    Type: Application
    Filed: May 24, 2013
    Publication date: December 5, 2013
    Applicant: Rohm and Haas Company
    Inventors: William Christopher Finch, Haksu Lee, Charles J. Rand, C. Damien Rodowski, Barry Weinstein
  • Patent number: 8232334
    Abstract: A curable aqueous binder composition comprising one or more amine reactant selected from the group consisting of: a protein, a peptide, an amino acid, an ammonium salt of a polycarboxylic acid, an ammonium salt of a (poly)hydroxy-(poly)carboxylic acid; one or more carbohydrate; and one or more emulsion polymer; and the use thereof as thermosetting binders. Also described are composite materials comprising the curable binder composition, and methods of application.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: July 31, 2012
    Assignee: Rohm and Haas Company
    Inventors: Michael DeWayne Kelly, Haksu Lee, Barry Weinstein
  • Publication number: 20110262648
    Abstract: The present invention provides thermosetting aqueous binder compositions of one or more diprimary diamine, e.g. lysine, or poly(primary amine), e.g. polyethylenimine, and one or more reducing sugar in which the number of equivalents of primary amine relative to the number of equivalents of carbonyl groups in the reducing sugar ranges from 0.4:1 to 2:1, the binders being suitable for use on fiber, nonwoven, woven web and finely divided substrates. The binders are at least substantially formaldehyde free, need no polycarboxylic or polycarboxylate component, and yet provide excellent hot wet tensile strength when cured for as little time as a minute or less in use.
    Type: Application
    Filed: April 21, 2011
    Publication date: October 27, 2011
    Inventors: Haksu LEE, William FINCH, Charles J. RAND, Barry WEINSTEIN, Robert L. SAMMLER, Frances J. TIMMERS
  • Publication number: 20100222459
    Abstract: A curable aqueous binder composition comprising one or more amine reactant selected from the group consisting of: a protein, a peptide, an amino acid, an ammonium salt of a polycarboxylic acid, an ammonium salt of a (poly)hydroxy-(poly)carboxylic acid; one or more carbohydrate; and one or more emulsion polymer; and the use thereof as thermosetting binders. Also described are composite materials comprising the curable binder composition, and methods of application.
    Type: Application
    Filed: February 25, 2010
    Publication date: September 2, 2010
    Inventors: Michael DeWayne Kelly, Haksu Lee, Barry Weinstein