Patents by Inventor Sung-Min Ko

Sung-Min Ko 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: 20210151713
    Abstract: Provided are: a composition for an organic light emitting diode comprising an indole-based photocurable monomer, a non-indole-based photocurable monomer, and an initiator, and an organic light emitting display manufactured therefrom.
    Type: Application
    Filed: July 5, 2018
    Publication date: May 20, 2021
    Inventors: Seong Ryong NAM, Mi Jeong CHOI, Sung Min KO, Bum Jin LEE
  • Publication number: 20210023626
    Abstract: The present invention relates to a method for preparing a core-gap-shell nanoparticle having an average height of 0.1 nm to 10 nm, in which a Raman-active material is disposed between a core and a shell, and more specifically, to a method for preparing a core-gap-shell nanoparticle, which comprises introducing a shell made of an alloy of a second metal and a third metal, on the core particles of the first metal, the surface of which is modified with a Raman-active material; selectively removing the second metal by treating with a second metal etchant, followed by dealloying; the core-gap-shell nanoparticle prepared by the above method comprising a Raman-active material disposed in the gap, and uses of the core-gap-shell nanoparticle for biosensing and/or bioimaging.
    Type: Application
    Filed: January 10, 2019
    Publication date: January 28, 2021
    Inventors: Jwa-Min NAM, Minho KIM, Sung Min KO
  • Patent number: 10756139
    Abstract: Disclosed is an organic light emitting display device including a substrate, an organic light emitting element formed on the substrate, and an encapsulation layer encapsulating the organic light emitting element, wherein the encapsulation layer has a structure in which at least two inorganic layers and at least one organic layer are alternately stacked one above another, each of the inorganic layers having a thickness of about 40 nm to about 1,000 nm and an index of refraction of about 1.41 to about 2.0, each of the organic layer having a thickness of about 0.2 ?m to about 15 ?m and an index of refraction of about 1.4 to about 1.65, the organic layer including a composition for encapsulating a display device, the composition for encapsulating a display device including a photocurable monomer and a photopolymerization initiator.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: August 25, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Patent number: 10727443
    Abstract: Provided is an organic light emitting display comprising: a substrate including a light emitting zone and a non-light emitting zone, which is positioned around the outside of the light emitting zone; at least one organic light emitting diode formed on the light emitting zone; an encapsulation layer for sealing the organic light emitting diode; and a dam formed on the non-light emitting zone, wherein the encapsulation layer includes a structure in which at least one inorganic layer and at least one organic layer are alternatingly stacked, wherein the organic layer is made from a display sealing material composition, and wherein the display sealing material composition comprises a photo-curable monomer and a photopolymerization initiator. The photo-curable monomer comprises: a monomer not having an aromatic hydrocarbon group; and a monomer, represented by chemical formula 1, having at least two substituted or non-substituted phenyl groups, wherein the photo-curable monomer comprises approximately 5 wt.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Patent number: 10700133
    Abstract: Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, two adjacent inorganic layers at least partially contact each other, and the organic layers are formed of an encapsulating composition. The encapsulating composition includes a photocurable monomer and a photopolymerization initiator. The photocurable monomer includes a monomer containing no aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups represented by Formula 1.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: June 30, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Patent number: 10570220
    Abstract: The present invention relates to a composition for a display sealing material having a photopolymerization initiator and a photocurable monomer, the photocurable monomer comprising: a monomer not having the aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups of chemical formula 1, wherein about 5 wt % to about 45 wt % of the monomer having two or more substituted or unsubstituted phenyl groups is comprised on the basis of the photocurable monomer and about 55 wt % to about 95 wt % of the monomer not having the aromatic hydrocarbon group is comprised on the basis of the photocurable monomer.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hye Jin Kim, Mi Sun Kim, Seong Ryong Nam, Sung Min Ko, Ji Yeon Lee
  • Patent number: 10319946
    Abstract: A composition for encapsulation of an organic light emitting diode and an organic light emitting diode display manufactured using the same. The composition for encapsulation includes: about 10 wt % to about 70 wt % of (A) a non-silicon-based di(meth)acrylate; about 20 wt % to about 70 wt % of (B) a silicon-based di(meth)acrylate; about 5 wt % to about 40 wt % of (C) a mono(meth)acrylate; and about 1 wt % to about 10 wt % of (D) an initiator, wherein the (B) silicon-based di(meth)acrylate is represented by Formula 1.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong Ryong Nam, Ji Yeon Lee, Kyoung Jin Ha, Sung Min Ko, Han Sung Yu
  • Patent number: 10316112
    Abstract: A display sealing material composition includes a photopolymerization initiator and a photocuring monomer, the photocuring monomer comprising: a monomer not having the aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups. An organic protection layer obtained by curing the composition for a display sealing material has approximately 400 nm/min or less plasma etching rate being represented by formula 1 below and approximately 2 nm or less surface roughness. Plasma etching rate(nm/min)=(T0?T1)/M,??<Formula 1> wherein T0, T1, and M are set forth in the specification.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye Jin Kim, Seong Ryong Nam, Sung Min Ko, Mi Sun Kim, Ji Yeon Lee
  • Patent number: 10233350
    Abstract: The present invention relates to a photocurable composition including (A) a photocurable monomer, (B) a monomer of chemical formula 1 or an oligomer thereof and (C) an initiator, a barrier layer including the same and an enveloped device including the same.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: March 19, 2019
    Assignee: Cheil Industries, Inc.
    Inventors: Chang Min Lee, Seung Jib Choi, Kyoung Jin Ha, Sung Min Ko, Ji Hye Kwon, Seong Ryong Nam, Se Il Oh, Yeon Soo Lee, Ji Yeon Lee
  • Publication number: 20180342674
    Abstract: Provided are a composition for encapsulating an organic light emitting element and an organic light emitting element display device manufactured therefrom, the composition comprising: (A) a non-silicone-based photocurable multifunctional monomer; (B) a silicone-based photocurable multifunctional monomer; (C) a non-silicone-based photocurable monofunctional monomer; (D) a silicone-based photocurable monofunctional monomer; and (E) an initiator, wherein the silicone-based photocurable multifunctional monomer (B) is represented by chemical formula 1.
    Type: Application
    Filed: August 25, 2016
    Publication date: November 29, 2018
    Inventors: Seong Ryong NAM, Mi Jeong CHOI, Sung Min KO
  • Patent number: 10020465
    Abstract: A composition for encapsulating an organic light emitting diode device and an organic light emitting diode display, the composition including a di(meth)acrylate including an unsubstituted alkylene group, a tri(meth)acrylate including a substituted or unsubstituted alkylene group or a substituted or unsubstituted alkyl group, and a photo-initiator, wherein the composition for encapsulating the organic light emitting diode device has a chloride content of about 200 ppm or less.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seong Ryong Nam, Ji Yeon Lee, Kyoung Jin Ha, Sung Min Ko
  • Publication number: 20180158879
    Abstract: Disclosed is an organic light emitting display device including a substrate, an organic light emitting element formed on the substrate, and an encapsulation layer encapsulating the organic light emitting element, wherein the encapsulation layer has a structure in which at least two inorganic layers and at least one organic layer are alternately stacked one above another, each of the inorganic layers having a thickness of about 40 nm to about 1,000 nm and an index of refraction of about 1.41 to about 2.0, each of the organic layer having a thickness of about 0.2 ?m to about 15 ?m and an index of refraction of about 1.4 to about 1.65, the organic layer including a composition for encapsulating a display device, the composition for encapsulating a display device including a photocurable monomer and a photopolymerization initiator.
    Type: Application
    Filed: May 2, 2016
    Publication date: June 7, 2018
    Inventors: Hye Jin KIM, Sung Min KO, Mi Sun KIM, Seong Ryong NAM, Ji Yeon LEE, Mi Jeong CHOI
  • Publication number: 20180158880
    Abstract: Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, two adjacent inorganic layers at least partially contact each other, and the organic layers are formed of an encapsulating composition. The encapsulating composition includes a photocurable monomer and a photopolymerization initiator. The photocurable monomer includes a monomer containing no aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups represented by Formula 1.
    Type: Application
    Filed: May 2, 2016
    Publication date: June 7, 2018
    Inventors: Hye Jin KIM, Sung Min KO, Mi Sun KIM, Seong Ryong NAM, Ji Yeon LEE, Mi Jeong CHOI
  • Publication number: 20180090714
    Abstract: Provided is an organic light emitting display comprising: a substrate including a light emitting zone and a non-light emitting zone, which is positioned around the outside of the light emitting zone; at least one organic light emitting diode formed on the light emitting zone; an encapsulation layer for sealing the organic light emitting diode; and a dam formed on the non-light emitting zone, wherein the encapsulation layer includes a structure in which at least one inorganic layer and at least one organic layer are alternatingly stacked, wherein the organic layer is made from a display sealing material composition, and wherein the display sealing material composition comprises a photo-curable monomer and a photopolymerization initiator. The photo-curable monomer comprises: a monomer not having an aromatic hydrocarbon group; and a monomer, represented by chemical formula 1, having at least two substituted or non-substituted phenyl groups, wherein the photo-curable monomer comprises approximately 5 wt.
    Type: Application
    Filed: May 2, 2016
    Publication date: March 29, 2018
    Inventors: Hye Jin KIM, Sung Min KO, Mi Sun KIM, Seong Ryong NAM, Ji Yeon LEE, Mi Jeong CHOI
  • Patent number: 9893125
    Abstract: Disclosed is an organic light emitting diode (OLED) display device for preventing a dark spot (dead pixel). The OLED display device includes a white OLED disposed in each of a plurality of pixels, a driving circuit unit disposed in each of the plurality of pixels, a first color filter disposed between the white OLED and the driving circuit unit, and a second color filter or a third color filter configured to overlap the first color filter between the white OLED and the driving circuit unit.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: February 13, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Ki Young Jung, Sung Min Ko
  • Patent number: 9893307
    Abstract: A composition for encapsulation of an organic light emitting diode comprising a photocurable monomer, a silicon-containing monomer, and an initiator, wherein the silicon-containing monomer is represented by Formula 1, and an organic light emitting diode display are disclosed.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seong Ryong Nam, Chang Soo Woo, Chang Min Lee, Sung Min Ko, Han Sung Yu, Ji Yeon Lee, Kyoung Jin Ha
  • Patent number: 9847510
    Abstract: Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, two adjacent inorganic layers at least partially contact each other, and the organic layers are formed of an encapsulating composition. The encapsulating composition includes: about 10 wt % to about 70 wt % of (A) a non-silicon-based di(meth)acrylate, about 20 wt % to about 70 wt % of (B) a silicon-based di(meth)acrylate, about 5 wt % to about 40 wt % of (C) a mono(meth)acrylate, and about 1 wt % to about 10 wt % of (D) an initiator, the (B) silicon-based di(meth)acrylate being represented by Formula 1.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: December 19, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yeon Lee, Seong Ryong Nam, Sung Min Ko, Mi Sun Kim, Hye Jin Kim, Mi Jeong Choi
  • Patent number: 9837633
    Abstract: Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, each of the inorganic layers has a thickness of about 40 nm to about 1000 nm and an index of refraction of about 1.41 to about 2.0, each of the organic layers has a thickness of about 0.2 ?m to about 15 ?m and an index of refraction of about 1.4 to about 1.65, and the organic layers are formed of an encapsulating composition.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: December 5, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yeon Lee, Seong Ryong Nam, Sung Min Ko, Mi Sun Kim, Hye Jin Kim, Mi Jeong Choi
  • Publication number: 20170342172
    Abstract: A display sealing material composition includes a photopolymerization initiator and a photocuring monomer, the photocuring monomer comprising: a monomer not having the aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups. An organic protection layer obtained by curing the composition for a display sealing material has approximately 400 nm/min or less plasma etching rate being represented by formula 1 below and approximately 2 nm or less surface roughness. Plasma etching rate(nm/min)=(T0?T1)/M,??<Formula 1> wherein T0, T1, and M are set forth in the specification.
    Type: Application
    Filed: April 14, 2015
    Publication date: November 30, 2017
    Inventors: Hye Jin KIM, Seong Ryong NAM, Sung Min KO, Mi Sun KIM, Ji Yeon LEE
  • Publication number: 20170298164
    Abstract: The present invention relates to a composition for a display sealing material having a photopolymerization initiator and a photocurable monomer, the photocurable monomer comprising: a monomer not having the aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups of chemical formula 1, wherein about 5 wt % to about 45 wt % of the monomer having two or more substituted or unsubstituted phenyl groups is comprised on the basis of the photocurable monomer and about 55 wt % to about 95 wt % of the monomer not having the aromatic hydrocarbon group is comprised on the basis of the photocurable monomer.
    Type: Application
    Filed: April 10, 2015
    Publication date: October 19, 2017
    Inventors: Hye Jin KIM, Mi Sun KIM, Seong Ryong NAM, Sung Min KO, Ji Yeon LEE