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).

  • Patent number: 9620715
    Abstract: The present invention relates to a thermal transfer film comprising: a photothermal conversion layer; and a diffusion member formed on the upper surface of said photothermal conversion layer, wherein the diffusion member is a thermal transfer film having about 10% or more of the haze, and also relates to a method for manufacturing same, and to an organic electroluminescent device manufactured using said method.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seong Heun Cho, Kyoung Ku Kang, Se Hyun Park, Si Kyun Park, Eun Gon Lee, Hyoung Tae Im, Jung Hyo Lee
  • Patent number: 9610794
    Abstract: The present invention relates to a thermal transfer film and to an organic electroluminescent device prepared using same, wherein the thermal transfer film includes a base film and an outermost layer which is formed on the base film and has 2% or more of a thickness change ratio expressed by formula 1.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Se Hyun Park, Kyoung Ku Kang, Jung Hyo Lee, Min Hye Kim, Sung Han Kim, Si Kyun Park, Eun Su Lee, Seong Heun Cho, Jin Hee Choi
  • Patent number: 9490229
    Abstract: Provided is a semiconductor device, including an anisotropic conductive film connecting the semiconductor device, the anisotropic conductive film having a maximum stress of 0.4 kgf/mm2 or more; and a stress-strain curve having a slope (A) of greater than 0 and less than or equal to 0.2 kgf/(mm2·%) as represented by the following equation 1: slope(A)=(½Smax?S0)/x??(1), wherein: Smax=maximum stress, x=strain (%) at half (½) of the maximum stress, and S0=stress at a strain of 0.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yeon Kim, Kyoung Ku Kang, Kyoung Soo Park, Byeong Geun Son, Young Ju Shin, Kwang Jin Jung, Ja Young Hwang
  • Patent number: 9384865
    Abstract: A transparent conductor, a composition for the same, and an apparatus including the same, the transparent conductor including a transparent conductive film, the transparent conductive film including a metal nanowire and a conductive polymer, wherein the transparent conductor has a b* value of less than about 1.78 in color coordinates of CIE Lab at wavelengths of 400 nm to 700 nm.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: July 5, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Do Young Kim, Young Kwon Koo, Dong Myeong Shin, Oh Hyeon Hwang, Kyoung Ku Kang
  • Patent number: 9375906
    Abstract: The present invention relates to a method for manufacturing a film laminate and to a film laminated formed by the method. The method comprises the steps of: applying a photocurable composition to a first base film; and irradiating light from a UV LED in order to harden the photocurable composition, wherein the first base film has a transmittance of approximately 50% or higher at the emission wavelength of the UV LED.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: June 28, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Jin Ki Hong, Seong Heun Cho, Kyoung Ku Kang, Hyoung Tae Im, Jung Hyo Lee, Si Kyun Park, Se Hyun Park
  • Publication number: 20160154436
    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: Application
    Filed: November 24, 2015
    Publication date: June 2, 2016
    Inventors: Chang Soo Woo, Kyoung Ku Kang, Min Hye Kim, Ji Sun Im, Seung Woo Jang, Dong Il Han
  • Publication number: 20160152866
    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: Application
    Filed: December 1, 2015
    Publication date: June 2, 2016
    Inventors: Chang Soo WOO, Kyoung Ku KANG, Min Hye KIM, Ji Sun IM, Seung Woo JANG, Dong Il HAN
  • Publication number: 20160148716
    Abstract: A display device connected by an anisotropic conductive film, wherein the anisotropic conductive film includes conductive particles and has a minimum melt viscosity of 900 Pa·s to 90,000 Pa·s at 80° C. to 140° C.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 26, 2016
    Inventors: Youn Jo KO, Kyoung Ku KANG, Soon Young KWON, Ie Ju KIM, Hyun Joo SEO, Se Mi HEO
  • Publication number: 20160149798
    Abstract: A message transmission system, a message transmission server, a user terminal apparatus, a method for transmitting a message, and a method for receiving a message are provided. The message transmission system includes a message transmission server configured to select a channel server to broadcast an input message, based on the input message, and transmit the input message; and a selected channel server configured to receive the message transmitted by the message transmission server, and broadcast the transmitted message to a terminal apparatus.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 26, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-ku KANG, Dae-hyun LEE, Young-ho SO, Kyung-sik MYUNG
  • Patent number: 9331044
    Abstract: A semiconductor device connected by an anisotropic conductive film including a first insulation layer, a conductive layer, and a second insulation layer one above another, wherein the conductive layer has an expansion length of 20% or less in a width direction thereof, and the second insulation layer has an expansion length of 50% or more in a width direction thereof, the expansion length is calculated according to Equation 1, below, after glass substrates are placed on upper and lower sides of the anisotropic conductive film respectively, followed by compression at 110° C. to 200° C. for 3 to 7 seconds under a load of 1 MPa to 7 MPa per unit area of a sample, Increased ratio of expansion length (%)=[(length of corresponding layer in width direction after compression?length of corresponding layer in width direction before compression)/length of corresponding layer in width direction before compression]×100.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: May 3, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Young Ju Shin, Kyoung Ku Kang, Ji Yeon Kim, Kyoung Soo Park, Woo Jung Shin, Kwang Jin Jung, Ja Young Hwang
  • Publication number: 20160064349
    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: Application
    Filed: May 14, 2015
    Publication date: March 3, 2016
    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
  • Publication number: 20160053138
    Abstract: A window film includes a base layer and a coating layer formed on the base layer. The coating layer contains a silicone resin, and the window film contains a dye having a maximum absorption wavelength of about 500 nm to about 650 nm. A display includes the window film, and may be a flexible display.
    Type: Application
    Filed: August 19, 2015
    Publication date: February 25, 2016
    Inventors: Jung Hyo Lee, Kyoung Ku Kang, Sung Han Kim, Joo Hui Kim, Si Kyun Park, Nak Hyun Sung, Jin Hee Choi
  • Publication number: 20150375551
    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: Application
    Filed: September 30, 2013
    Publication date: December 31, 2015
    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
  • Publication number: 20150360496
    Abstract: The present invention relates to a thermal transfer film and to an organic electroluminescent device prepared using same, wherein the thermal transfer film includes a base film and an outermost layer which is formed on the base film and has 2% or more of a thickness change ratio expressed by formula 1.
    Type: Application
    Filed: December 26, 2013
    Publication date: December 17, 2015
    Inventors: Se Hyun Park, Kyoung Ku Kang, Jung Hyo Lee, Min Hye Kim, Sung Han Kim, Si Kyun Park, Eun Su Lee, Seong Heun Cho, Jin Hee Choi
  • Publication number: 20150336412
    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: Application
    Filed: December 27, 2013
    Publication date: November 26, 2015
    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
  • Publication number: 20150333260
    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: Application
    Filed: December 27, 2013
    Publication date: November 19, 2015
    Inventors: Jin Hee CHOI, Kyoung Ku KANG, Se Hyun PARK, Seong Heun CHO, Jung Hyo LEE
  • Publication number: 20150333259
    Abstract: The present invention relates to a thermal transfer film comprising: a photothermal conversion layer; and a diffusion member formed on the upper surface of said photothermal conversion layer, wherein the diffusion member is a thermal transfer film having about 10% or more of the haze, and also relates to a method for manufacturing same, and to an organic electroluminescent device manufactured using said method.
    Type: Application
    Filed: June 12, 2013
    Publication date: November 19, 2015
    Inventors: Seong Heun Cho, Kyoung Ku Kang, Se Hyun Park, Si Kyun Park, Eun Gon Lee, Hyoung Tae Im, Jung Hyo Lee
  • Publication number: 20150318257
    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: Application
    Filed: January 26, 2015
    Publication date: November 5, 2015
    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
  • Publication number: 20150255183
    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: Application
    Filed: March 4, 2015
    Publication date: September 10, 2015
    Inventors: Do Young KIM, Young Kwon KOO, Dong Myeong SHIN, Hyoung Tae LIM, Oh Hyeon HWANG, Kyoung Ku KANG
  • Publication number: 20150206620
    Abstract: A method for preparing a transparent conductor includes providing a laminate, the laminate including a base layer and a conductive network on the base layer and including metal nanowires, and pressing the laminate using a first pressing roll that has a surface hardness of about Shore D-50 to about Shore D-90.
    Type: Application
    Filed: January 22, 2015
    Publication date: July 23, 2015
    Inventors: Dong Myeong SHIN, Young Kwon KOO, Oh Hyeon HWANG, Kyoung Ku KANG