Patents by Inventor In Ahn

In Ahn 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: 20160230961
    Abstract: The invention described in the present specification relates to a color conversion film including a color conversion layer including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light; and an adhesive layer provided on at least one surface of the color conversion layer, and including a curing material of a radical polymerizable compound having a molecular weight of 300 or higher prior to curing, and a back light unit and a display apparatus including the same.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 11, 2016
    Inventors: Joo Yeon Seo, Kwang Seung Park, Byeong In Ahn, Dong Mok Shin, Nari Kim, Ji Ho Kim
  • Publication number: 20160230960
    Abstract: The invention described in the present specification relates to a color conversion film including a color conversion layer including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light; and a sticking sheet provided on at least one surface of the color conversion layer, and including a cured material of a radical curable component, a method for manufacturing the same, and a back light unit.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 11, 2016
    Inventors: Joon Yeon SEO, Byeong In Ahn, Dong Mok Shin, Nari Kim, Kyung Yul Bae, Ji Ho Kim
  • Publication number: 20160223162
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the organic fluorescent substance includes a first fluorescent substance and a second fluorescent substance, and the first fluorescent substance has a light emission peak with FWHM of 60 nm or less and a Stokes shift of 30 nm or less when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 4, 2016
    Inventors: Dong Mok SHIN, Byeong In AHN, Nari KIM, Hoyong LEE, Ji Ho KIM, Joo Yeon SEO
  • Publication number: 20160223728
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the color conversion film has a light emission peak with FWHM of 70 nm or less when irradiating light having a light emission peak of a 450 nm wavelength, a FWHM of 40 nm or less and monomodal light emission intensity distribution, and a ratio of light emission intensity at 600 nm to light emission intensity at a maximum light emission wavelength is 1:3 or higher, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 4, 2016
    Inventors: Dong Mok SHIN, Byeong In AHN, Nari KIM, Ji Ho KIM, Joo Yeon SEO
  • Patent number: 9221961
    Abstract: Provided herein is a flame-retardant polyolefin resin containing a blend which comprises 1-80 wt % of piperazine metal salts or polymers thereof, 10-80.0 wt % of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt % of inorganic compounds, wherein the sum of the components of the blend is 100 wt %.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: December 29, 2015
    Assignees: DOOBON INC., LOTTE CHEMICAL CORPORATION
    Inventors: Dae Hee Lee, Seong Wook Lee, Sang-Bum Kim, Chang-Gyou Kim, Seung-Dae Ahn, Jong-In Ahn
  • Patent number: 9133299
    Abstract: The present invention relates to a polyurethane resin composition including a first polyurethane resin and a second polyurethane resin that are different from each other in their compositions, an organic solvent, and a surfactant, and a polyurethane mounting pad manufactured from the resin composition.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: September 15, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Sang-Soon Choi, Young-Ji Tae, Dong-Mok Shin, Keong-Yeon Yoon, Na-Ri Kim, Byeong-In Ahn
  • Patent number: 8920220
    Abstract: This disclosure relates to a polishing pad for chemical mechanical polishing, having a shape where 3 or more semi-oval or semicircular curves that connect 2 valleys neighboring on the plane are connected, and including 2 or more modified patterns that are formed to a determined thickness on the polishing pad, wherein a peak of one modified pattern and a valley of another modified pattern neighboring thereto are sequentially located on the same line. The polishing pad may uniformly disperse slurry over the whole area during a polishing process to provide improved polishing uniformity, and appropriately control residence time of the slurry to increase polishing rate.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: December 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Ah-Ram Kim, Byeong-In Ahn, Dong-Mok Shin
  • Publication number: 20140206784
    Abstract: The present invention relates to a polyurethane resin composition for a support pad including a polyurethane resin, a DMF solvent, an anionic surfactant, and polyethylene glycol (PEG), and a polyurethane support pad including the polyurethane resin composition for a support pad. According to the present invention, long and large pores may be uniformly formed therein, and thus a support pad having an excellent compression rate and compression recovery rate may be provided.
    Type: Application
    Filed: August 17, 2012
    Publication date: July 24, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Dong-Mok Shin, Na-Ri Kim, Byeong-In Ahn, Sang-Soon Choi, Young-Ji Tae, Keong-Yeon Yoon
  • Patent number: 8617645
    Abstract: The present invention provides a multi-component composite film comprising a) polymer support layer, and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: December 31, 2013
    Assignee: LG Chem. Ltd.
    Inventors: Seung-Jin Lee, Hyang-Mok Lee, Soon-Ho Ahn, Jin-Yeon Cho, Hyun-Hang Yong, Hyung-Keun Lee, Sang-Young Lee, Heon-Sik Song, Soon-Yong Park, You-Jin Kyung, Byeong-In Ahn
  • Publication number: 20130296467
    Abstract: The present invention relates to a flame-retardant polyolefin resin containing a blend which comprises 0.1-80 wt % of piperazine metal salts or polymers thereof, 10-80.0 wt % of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt % of inorganic compounds, wherein the sum of the components of the blend is 100 wt %.
    Type: Application
    Filed: December 14, 2011
    Publication date: November 7, 2013
    Inventors: Dae Hee Lee, Seong Wook Lee, Sang-Bum Kim, Chang-Gyou Kim, Seung-Dae Ahn, Jong-In Ahn
  • Patent number: 8481149
    Abstract: This disclosure relates to a polyurethane resin composition for a mounting pad, including a polyurethane resin, C9-15 alkyl benzene sulfonic acid or a salt thereof, and a DMF solvent, and a polyurethane mounting pad using the same, whereby long and large pores may be uniformly formed thereinside to provide a mounting pad having low hardness, excellent compressibility, and a high compression modulus.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: July 9, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Na-Ri Kim, Dong-Mok Shin, Byeong-In Ahn, Sang-Soon Choi, Keong-Yeon Yoon
  • Publication number: 20130018118
    Abstract: The present invention relates to a polyurethane resin composition including a first polyurethane resin and a second polyurethane resin that are different from each other in their compositions, an organic solvent, and a surfactant, and a polyurethane mounting pad manufactured from the resin composition.
    Type: Application
    Filed: July 16, 2012
    Publication date: January 17, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Sang-Soon CHOI, Young-Ji TAE, Dong-Mok SHIN, Keong-Yeon YOON, Na-Ri KIM, Byeong-In AHN
  • Publication number: 20120085038
    Abstract: The present invention provides a method for producing a porous sheet, including the steps of a) producing a polymer resin sheet containing an object to be processed by supercritical fluid extraction which is dissolved in supercritical fluid; and b) injecting the supercritical fluid into the polymer resin sheet to extract the object to be processed by supercritical fluid extraction that is contained in the polymer resin sheet, thereby forming pores in the polymer resin sheet, and a porous sheet produced by the same.
    Type: Application
    Filed: June 10, 2010
    Publication date: April 12, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Seong-Uk Jeong, Byeong-In Ahn, Young-Ji Tae, Keong-Yeon Yoon
  • Publication number: 20120071068
    Abstract: This disclosure relates to a polishing pad for chemical mechanical polishing, having a shape where 3 or more semi-oval or semicircular curves that connect 2 valleys neighboring on the plane are connected, and including 2 or more modified patterns that are formed to a determined thickness on the polishing pad, wherein a peak of one modified pattern and a valley of another modified pattern neighboring thereto are sequentially located on the same line. The polishing pad may uniformly disperse slurry over the whole area during a polishing process to provide improved polishing uniformity, and appropriately control residence time of the slurry to increase polishing rate.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 22, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Ah-Ram KIM, Byeong-In AHN, Dong-Mok SHIN
  • Publication number: 20120064326
    Abstract: This disclosure relates to a polyurethane resin composition for a mounting pad, including a polyurethane resin, C9-15 alkyl benzene sulfonic acid or a salt thereof, and a DMF solvent, and a polyurethane mounting pad using the same, whereby long and large pores may be uniformly formed thereinside to provide a mounting pad having low hardness, excellent compressibility, and a high compression modulus.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 15, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Na-Ri KIM, Dong-Mok SHIN, Byeong-In AHN, Sang-Soon CHOI, Keong-Yeon YOON
  • Patent number: D714775
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: October 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Kyung Yoo, Hyo-In Ahn, Ji-Su Jung, Dong-Goo Kang, Say Jang
  • Patent number: D723024
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: February 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Kyung Yoo, Hyo-In Ahn, Ji-Su Jung, Dong-Goo Kang, Say Jang
  • Patent number: D724060
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyo-In Ahn, Eun-Kyung Yoo, Ji-Su Jung, Dong-Goo Kang, Say Jang
  • Patent number: D727276
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: April 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Su Jung, Hyo-In Ahn, Eun-Kyung Yoo, Dong-Goo Kang, Say Jang
  • Patent number: D750157
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyo-In Ahn, Eun-Kyung Yoo, Ji-Su Jung, Dong-Goo Kang, Say Jang