Patents by Inventor Kyoung Ku Kang

Kyoung Ku Kang 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: 20180215948
    Abstract: Provided are: a composition for a window film, containing a siloxane resin including chemical formula 1, a cross-linking agent, and an initiator; a flexible window film formed therefrom; and a flexible display device including the same.
    Type: Application
    Filed: July 22, 2016
    Publication date: August 2, 2018
    Inventors: Min Hye KIM, Kyoung Ku KANG, Ji Hwan PARK, Chang Soo WOO, Ji Sun IM, Seung Woo JANG, Dong Il HAN
  • Patent number: 9978472
    Abstract: A transparent conductor and an optical display including the same are disclosed. The transparent conductor includes a base layer, and a transparent conductive layer formed on the base layer and including metal nanowires. The transparent conductor has a total diffuse reflection (DR) of greater than or equal to about 80% and less than 330% at a wavelength of about 380 nm to about 780 nm and a reflective b* value from about ?2 to about 1 at a wavelength of about 380 nm to about 780 nm.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: May 22, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Do Young Kim, Young Kwon Koo, Dong Myeong Shin, Hyoung Tae Lim, Oh Hyeon Hwang, Kyoung Ku Kang
  • Publication number: 20180112105
    Abstract: Provided are a composition for a window film, a flexible window film formed therefrom, and a flexible display device comprising same, the composition for a window film comprising: a first silicone resin comprising chemical formula 1; a second silicone resin containing a crosslinkable functional group and one or more among a Q unit and a bridge unit; a crosslinking agent; and an initiator. (R1SiO3/2)x([R2R3SiO2/2]n)y(R4R5SiO2/2)z(R6R7R8SiO1/2)w (where R1 is a crosslinkable functional group; R2 and R3 are each independently a methyl group; R4 and R5 are each independently hydrogen, a crosslinkable functional group, an unsubstituted or substituted C1-C20 alkyl group, or an unsubstituted or substituted C5-C20 cycloalkyl group; R6, R7, and R8 are each independently hydrogen, a crosslinkable functional group, an unsubstituted or substituted C1-C20 alkyl group, an unsubstituted or substituted C5-C20 cycloalkyl group, or an unsubstituted or substituted C6-C30 aryl group; n is an integer from 7 to 100; 0<x<1, 0.
    Type: Application
    Filed: April 22, 2016
    Publication date: April 26, 2018
    Inventors: Dong Il HAN, Kyoung Ku KANG, Min Hye KIM, Ji Hwan PARK, Chang Soo WOO, Ji Sun IM, Seung Woo JANG
  • Patent number: 9914851
    Abstract: A composition for a window film includes a siloxane resin represented by Formula 1, and an initiator. A flexible window film is manufactured using the same, and has a pencil hardness of about 7H or higher, a radius of curvature of about 5.0 mm or lower, and a difference in yellow index before and after irradiation (?Y.I.) of about 5.0 or less. A flexible display includes the flexible window film.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 13, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Soo Woo, Kyoung Ku Kang, Min Hye Kim, Ji Sun Im, Seung Woo Jang, Dong Il Han
  • Publication number: 20180030273
    Abstract: A composition for a window film including a first silicon resin including a compound represented by Formula 1; a second silicon resin including a crosslinkable functional group and at least one of a Q unit and a bridge unit; a crosslinking agent; and an initiator, a flexible window film formed therefrom, and a flexible display device including the same are disclosed.
    Type: Application
    Filed: April 22, 2016
    Publication date: February 1, 2018
    Inventors: Dong Il HAN, Kyoung Ku KANG, Min Hye KIM, Ji Hwan PARK, Chang Soo WOO, Ji Sun IM, Seung Woo JANG
  • Patent number: 9865558
    Abstract: A semiconductor device connected by an anisotropic conductive film, the anisotropic conductive film having a differential scanning calorimeter onset temperature of 60° C. to 85° C., and a elastic modulus change of 30% or less, as calculated by Equation 1, below, Elastic modulus change(%)={(M1?M0)/M0}×100??[Equation 1] wherein M0 is an initial elastic modulus in kgf/cm2 of the anisotropic conductive film as measured at 25° C., and M1 is a elastic modulus in kgf/cm2 of the anisotropic conductive film as measured at 25° C. after the film is left at 25° C. for 170 hours.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Young Ju Shin, Kyoung Ku Kang, Ji Yeon Kim, Kyoung Soo Park, Young Woo Park, Byeong Geun Son, Kyoung Hun Shin, Kwang Jin Jung, Jae Sun Han, Ja Young Hwang
  • Patent number: 9844129
    Abstract: A transparent conductor includes a base layer, and a transparent conductive film on one or both sides of the base layer, the transparent conductive film including a metal nanowire, where the base layer includes a retardation film. An optical display apparatus includes the transparent conductor. The transparent conductor may compensate for a viewing angle of the optical display apparatus.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: December 12, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Do Young Kim, Kyoung Ku Kang, Young Kwon Koo, Dong Myeong Shin, Hyoung Tae Lim, Oh Hyeon Hwang
  • Publication number: 20170349786
    Abstract: Provided are: a composition for a window film; a flexible window film formed therefrom; and a flexible display device comprising the same, wherein the composition contains: a siloxane resin comprising chemical Chemical Formula 1 or 2 or a mixture thereof; a cross-linking agent; and an initiator, the cross-linking agent being contained in a content of about 10-30 parts by weight on the basis of 100 parts by weight of the siloxane resin or the mixture thereof.
    Type: Application
    Filed: December 16, 2015
    Publication date: December 7, 2017
    Inventors: Joo Hui Kim, Si Kyun Park, Kyoung Ku Kang, Sung Han Kim, Jung Hyo Lee, Jin Hee Choi
  • Publication number: 20170349787
    Abstract: Provided are: a composition for a window film, containing a siloxane resin including chemical formula 1 below and an iodonium ion-containing photo-cationic initiator; a flexible window film formed therefrom; and a flexible display device comprising the same. Chemical formula 1: (R1SiO3/2)x(R2R3SiO2/2)y.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 7, 2017
    Inventors: Si Kyun Park, Kyoung Ku Kang, Jung Hyo Lee, Jin Hee Choi, Sung Han Kim, Joo Hui Kim, Nak Hyun Sung, Eun Su Lee
  • Publication number: 20170322354
    Abstract: Provided are a window film for a display and a display device including the same, and the window film for a display comprises: a substrate layer; a coating layer formed on one side of the substrate layer; and an adhesive layer formed on the other side of the substrate layer, wherein the coating layer and/or the adhesive layer includes, relative to each layer, a UV absorbent of approximately 3 wt % to approximately 20 wt %, and the window film for a display has a transmittance of approximately 1% or less for a wavelength of 390 nm or less.
    Type: Application
    Filed: November 10, 2015
    Publication date: November 9, 2017
    Inventors: Jin Hee Choi, Kyoung Ku Kang, Si Kyun Park, Joo Hui Kim
  • Publication number: 20170324059
    Abstract: The present invention relates to a display film and, more particularly, to a display film comprising a substrate layer and a coating layer formed on one surface of the substrate layer, wherein a first critical radius of curvature measured in a direction in which the side surface of the coating layer becomes concave is at most about 10 mm, and a second critical radius of curvature measured in a direction in which the side surface of the substrate layer becomes concave is at most about 5 mm. The display film according to the present invention has a high surface hardness while exhibiting superior flexibility in both directions vertical to the plane direction of the film and thus is suitable for application as an outer window film for a display and particularly has the property of being applicable to a flexible display.
    Type: Application
    Filed: October 19, 2015
    Publication date: November 9, 2017
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin Hee Choi, Kyoung Ku Kang, Si Kyun Park, Jung Hyo Lee, Sung Han Kim, Joo Hui Kim
  • Patent number: 9811192
    Abstract: A composition for a window film includes a siloxane resin represented by Formula 1, 4 or 7, or a mixture thereof, and an initiator. A flexible window film is manufactured using the same, and has a pencil hardness of about 7H or higher, a radius of curvature of about 5.0 mm or less, and a difference in yellow index before and after irradiation (?Y.I.) of about 5.0 or less. A flexible display includes the flexible window film.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: November 7, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Soo Woo, Kyoung Ku Kang, Min Hye Kim, Ji Sun Im, Seung Woo Jang, Dong Il Han
  • Patent number: 9754698
    Abstract: A transparent conductor, a method for preparing the same, and an optical display including the same, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is prepared from a matrix composition including a tri-functional monomer and one of a penta-functional monomer or a hexa-functional monomer a base layer; and a conductive layer formed on the base layer and including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is formed of a composition including a penta- or hexa-functional monomer and a tri-functional monomer.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Myeong Shin, Young Kwon Koo, Oh Hyeon Hwang, Kyoung Ku Kang, Do Young Kim, Dae Seob Shim
  • Patent number: 9688088
    Abstract: The present invention relates to a thermal transfer film comprising: a base layer; and a light-to-heat conversion layer which is laminated on top of the base layer and includes a first layer laminated on top of the base layer and a second layer laminated on top of the first layer in the thickness direction, wherein light-to-heat conversion materials are more omnipresent in the first layer than the second layer. The present invention also relates to an organic electroluminescent device prepared using said film.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 27, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jung Hyo Lee, Kyoung Ku Kang, Si Kyun Park, Seong Heun Cho, Sung Han Kim, Se Hyun Park, Eun Su Lee, Jin Hee Choi
  • Patent number: 9685253
    Abstract: A conductive film composition for forming a conductive film in a single coating layer on one or both sides of a base film, the composition including a metal nanowire, and polyfunctional monomers.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: June 20, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Dong Myeong Shin, Kyoung Ku Kang, Young Kwon Koo, Do Young Kim
  • Patent number: 9676219
    Abstract: The present invention relates to a heat transfer film and an organic electroluminescent element manufactured using the same. More specifically, the present invention relates to: a heat transfer film comprising a base film and an outermost layer formed on the base film, wherein a ratio of an elastic modulus of the outermost layer to an elastic modulus of the base film at 25° C. and relative humidity of 45% is approximately 1 or more; and an organic electroluminescent element manufactured using the same.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: June 13, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seong Heun Cho, Kyoung Ku Kang, Si Kyun Park, Sung Han Kim, Se Hyun Park, Eun Su Lee, Jung Hyo Lee, Jin Hee Choi
  • Patent number: 9674947
    Abstract: A transparent conductor, a method of fabricating the same, and an optical display, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the matrix is prepared from a matrix composition, the matrix composition including inorganic hollow particles, a fluorine-containing monomer, or a mixture thereof.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dae Seob Shim, Young Kwon Koo, Dong Myeong Shin, Do Sang Lee, Oh Hyeon Hwang, Kyoung Ku Kang
  • Publication number: 20170154698
    Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.
    Type: Application
    Filed: November 17, 2016
    Publication date: June 1, 2017
    Inventors: Do Young KIM, Kyoung Ku KANG, Dong Myeong SHIN, Dae Seob SHIM, Young Hoon KIM, Ji Hyeon YIM, Yong Un JUNG, Oh Hyeon HWANG
  • Patent number: 9657196
    Abstract: A semiconductor device connected by an anisotropic conductive film. The anisotropic conductive film includes a composition for an anisotropic conductive film including a first epoxy resin having an exothermic peak temperature of about 80° C. to about 110° C. and a second epoxy resin having an exothermic peak temperature of 120° C. to 200° C., as measured by differential scanning calorimetry (DSC). The first epoxy resin and the second epoxy resin are present in combined amount of about 30 wt % to about 50 wt % based on a total weight of the composition in terms of solid content. The second epoxy resin is present in an amount of about 60 to about 90 parts by weight based on 100 parts by weight of the first and second epoxy resins.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yeon Kim, Kyoung Ku Kang, Kyoung Soo Park, Young Woo Park, Byeong Geun Son, Kyoung Hun Shin, Young Ju Shin, Kwang Jin Jung, Jae Sun Han, Ja Young Hwang
  • Patent number: 9656499
    Abstract: The present invention relates to a thermal transfer film, a method for manufacturing the same, and an organic electroluminescent element manufactured by using the thermal transfer film, and the thermal transfer film comprises: a base film; a photothermal conversion layer formed on the upper part of the base film; and a coating layer formed on the lower part of the base film.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jin Hee Choi, Kyoung Ku Kang, Se Hyun Park, Seong Heun Cho, Jung Hyo Lee