Patents by Inventor Seung Hee Nam

Seung Hee Nam 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: 20230244338
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 3, 2023
    Inventors: Jae-Won Lee, Seung-Hee NAM, Min-Joo KIM, Kwon-Shik PARK, Jae-Young OH, Deuk-Su LEE, Bu-Yeol LEE, Eun-Hye LEE, Tae-hwan KIM
  • Publication number: 20230220153
    Abstract: The present disclosure relates to a curing agent, an adhesive composition for a semiconductor device containing the curing agent, the adhesive composition exhibiting excellent adhesive strength and having excellent reliability because of being inhibited from cracking, an adhesive film for a semiconductor device, and a semiconductor package including the same.
    Type: Application
    Filed: April 16, 2021
    Publication date: July 13, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Seung Hee NAM, Kwang Joo LEE, Jung Hak KIM, Eun Byurl CHO, Young Sam KIM
  • Patent number: 11656701
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 23, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee, Tae-hwan Kim
  • Patent number: 11021634
    Abstract: The present invention relates to an adhesive film having a thixotropic index at 110° C. of 1.5 to 7.5, which is used for fixing a first semiconductor device and a second semiconductor device, a ratio of an area of said first semiconductor device to an area of said second semiconductor device being 0.65 or less, a method for preparing a semiconductor device using the adhesive film, and a semiconductor device.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: June 1, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hak Kim, Hee Jung Kim, Se Ra Kim, Kwang Joo Lee, Young Kook Kim, Seung Hee Nam
  • Patent number: 10991678
    Abstract: The present invention relates to a semiconductor device and a method of manufacturing a semiconductor device, and more particularly, to a semiconductor device capable of reducing the uppermost semiconductor chip damage and stably performing wire bonding even if an excessive force is applied during a die bonding process or a wire bonding process, and a method for manufacturing the semiconductor device.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: April 27, 2021
    Inventors: Jung Hak Kim, Hee Jung Kim, Se Ra Kim, Jung Ho Jo, Kwang Joo Lee, Seung Hee Nam, Young Kook Kim
  • Publication number: 20210103352
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Application
    Filed: November 23, 2020
    Publication date: April 8, 2021
    Inventors: Jae-Won LEE, Seung-Hee NAM, Min-Joo KIM, Kwon-Shik PARK, Jae-Young OH, Deuk-Su LEE, Bu-Yeol LEE, Eun-Hye LEE, Tae-hwan KIM
  • Patent number: 10920109
    Abstract: The present invention relates to a semiconductor device including: a first semiconductor element formed on an adherend; and an adhesive film for embedding the first semiconductor element, wherein the adhesive film satisfies a predetermined ratio between a melt viscosity and a weight loss ratio at a high temperature.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hak Kim, Hee Jung Kim, Seung Hee Nam, Kwang Joo Lee, Se Ra Kim, Young Kook Kim
  • Patent number: 10877584
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: December 29, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee, Tae-hwan Kim
  • Patent number: 10865329
    Abstract: The present invention relates to an adhesive film for a semiconductor that can more easily bury unevenness such as through wires of a semiconductor substrate or a wire attached to a semiconductor chip and the like, and yet can be applied to various cutting methods without specific limitations to realize excellent cuttability, thus improving reliability and efficiency of a semiconductor packaging process.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 15, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hee Jung Kim, Se Ra Kim, Jung Hak Kim, Seung Hee Nam, Jung Ho Jo, Kwang Joo Lee, Young Kook Kim
  • Patent number: 10809829
    Abstract: Disclosed are an organic light emitting display device and a method of manufacturing the same to reduce thickness and weight. The organic light emitting display device with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensing electrode and a touch driving electrode arranged in parallel and a color filter on an encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee
  • Publication number: 20200294972
    Abstract: The present invention relates to a semiconductor device and a method of manufacturing a semiconductor device, and more particularly, to a semiconductor device capable of reducing the uppermost semiconductor chip damage and stably performing wire bonding even if an excessive force is applied during a die bonding process or a wire bonding process, and a method for manufacturing the semiconductor device.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 17, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Hak Kim, Hee Jung Kim, Se Ra Kim, Jung Ho Jo, Kwang Joo Lee, Seung Hee Nam, Young Kook Kim
  • Patent number: 10775912
    Abstract: Disclosed is a display device having touch sensors which may reduce parasitic capacitance and a method of manufacturing the same. The display device includes a plurality of touch sensing lines respectively arranged so as to traverse a plurality of common electrode blocks forming an electric field with pixel electrodes, a lower planarization layer having openings in regions overlapping drain electrodes of thin film transistors, an upper planarization layer arranged between one of the pixel electrodes and the common electrode blocks, and the touch sensing lines so as to cover a side surface of the lower planarization layer, and an upper protective film arranged between the pixel electrodes and the common electrode blocks, and, thus, parasitic capacitance generated between the touch sensing lines and the common electrode blocks may be reduced without reduction in liquid crystal capacitance and storage capacitance.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: September 15, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Sun Beak, Seung-Hee Nam, Jung-Ho Bang, Seong-Joo Lee
  • Patent number: 10759971
    Abstract: The present invention relates to an adhesive composition for a semiconductor including: a thermoplastic resin having a glass transition temperature of ?10° C. to 20° C.; a curing agent containing a phenol resin having a softening point of 70° C. or more; a solid epoxy resin; and a liquid epoxy resin, wherein a weight ratio of the total contents of the solid epoxy resin and the liquid epoxy resin to the thermoplastic resin is 1.6 to 2.6, an adhesive film for a semiconductor including the adhesive composition for a semiconductor, a dicing die bonding film including an adhesive layer including the adhesive composition for a semiconductor, and a method for dicing a semiconductor wafer using the dicing die bonding film.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: September 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hee Jung Kim, Se Ra Kim, Jung Hak Kim, Seung Hee Nam, Jung Ho Jo, Kwang Joo Lee, Young Kook Kim
  • Patent number: 10707187
    Abstract: The present invention relates to a semiconductor device and a method of manufacturing a semiconductor device, and more particularly, to a semiconductor device capable of reducing the uppermost semiconductor chip damage and stably performing wire bonding even if an excessive force is applied during a die bonding process or a wire bonding process, and a method for manufacturing the semiconductor device.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: July 7, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jung Hak Kim, Hee Jung Kim, Se Ra Kim, Jung Ho Jo, Kwang Joo Lee, Seung Hee Nam, Young Kook Kim
  • Patent number: 10672847
    Abstract: A display device includes: thin film transistors (TFTs) on a substrate, pixel electrodes (PEs) respectively connected to the TFTs, common electrode blocks (CEBs) on the substrate, each CEB forming an electric field with a respective PE, touch sensing lines (TSLs) respectively connected to the CEBs, a lower planarization layer (PL) between the TFTs and the TSLs, an upper PL between the TSLs and one of: the PEs and the CEBs, an upper protective film between the PEs and the CEBs, and pixel contact holes extending through the lower PL and the upper PL to expose respective drain electrodes of the TFTs, wherein a side surface of each of the lower PL and the upper PL, exposed through the pixel contact holes, contacts one of: the upper protective film and the PEs.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: June 2, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Hee Nam, Jung-Ho Bang, Jung-Sun Beak, Seong-Joo Lee
  • Patent number: 10526513
    Abstract: There are provided a composition for forming an adhesive layer of a dicing film, including: a polymer additive including at least one polymer selected from the group consisting of a polymer containing a (meth)acrylate-based functional group and a non-polar functional group, a (meth)acrylate-based polymer containing at least one fluorine, and a silicon-modified (meth)acrylate-based polymer containing a reactive functional group; an adhesive binder; and a photoinitiator, wherein a weight ratio of the polymer additive to the adhesive binder is 0.01% to 4.5%, a dicing film including an adhesive layer including the composition, a dicing die bonding film including the dicing film, and a method for dicing a semiconductor wafer using the dicing die bonding film.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Young Kook Kim, Hee Jung Kim, Se Ra Kim, Jung Ho Jo, Jung Hak Kim, Seung Hee Nam, Kwang Joo Lee
  • Patent number: 10353125
    Abstract: The present disclosure relates to a polarizing plate including an adhesive layer, a primer layer and a polyethylene terephthalate film which are sequentially formed on at least one side of a polarizer, wherein the adhesive layer in the present disclosure is formed by an active energy ray-curable adhesive including a first epoxy compound of which a homopolymer has a glass transition temperature of 120° C. or higher, a second epoxy compound of which a homopolymer has a glass transition temperature of 60° C. or lower, and a cationic photopolymerization initiator, and wherein the primer layer is formed by a primer composition including one or more binder resins selected from the group consisting of polyester and polyvinyl alcohol-based resins, and one or more cross-linking agents selected from the group consisting of acrylic cross-linking agents, epoxy-based cross-linking agents and polyvinyl alcohol-based cross-linking agents.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: July 16, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hyun Nam, Eun-Mi Seo, Seung-Hee Nam, Dae-Woong Lee, Kyun-Il Rah
  • Patent number: 10338020
    Abstract: The present invention relates to a method for measuring metal ion permeability of a polymer film, comprising the steps of: applying a voltage to the polymer film at a temperature of 5° C. to 250° C., while one side of the polymer film is brought into contact with an electrolyte comprising metal ions, an organic solvent and an aqueous solvent; and measuring the change rate of resistance or change rate of current of the polymer film according to time, after the voltage is applied, and a device for measuring metal ion permeability of a polymer film used therefor.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 2, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hak Kim, Young Kook Kim, Kwang Joo Lee, Hee Jung Kim, Se Ra Kim, Jung Ho Jo, Seung Hee Nam, Ji Ho Han
  • Patent number: 10324016
    Abstract: The present invention relates to a method for measuring metal ion permeability of a polymer film, comprising the steps of applying a voltage to the polymer film, while at least one side of the polymer film is brought into contact with an electrolyte comprising metal ions, an organic solvent and an aqueous solvent; and measuring the change rate of resistance or change rate of current of the polymer film according to time, after the voltage is applied, and a device for measuring metal ion permeability of a polymer film used therefor.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: June 18, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Young Kook Kim, Jung Hak Kim, Hee Jung Kim, Se Ra Kim, Jung Ho Jo, Kwang Joo Lee, Seung Hee Nam, Ji Ho Han
  • Publication number: 20190179440
    Abstract: Disclosed is a display device having touch sensors which may reduce parasitic capacitance and a method of manufacturing the same. The display device includes a plurality of touch sensing lines respectively arranged so as to traverse a plurality of common electrode blocks forming an electric field with pixel electrodes, a lower planarization layer having openings in regions overlapping drain electrodes of thin film transistors, an upper planarization layer arranged between one of the pixel electrodes and the common electrode blocks, and the touch sensing lines so as to cover a side surface of the lower planarization layer, and an upper protective film arranged between the pixel electrodes and the common electrode blocks, and, thus, parasitic capacitance generated between the touch sensing lines and the common electrode blocks may be reduced without reduction in liquid crystal capacitance and storage capacitance.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 13, 2019
    Inventors: Jung-Sun BEAK, Seung-Hee NAM, Jung-Ho BANG, Seong-Joo LEE