Patents by Inventor Byung-Su Park

Byung-Su Park 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: 20240120276
    Abstract: A three-dimensional semiconductor integrated circuit device including an inter-die interface is provided. The device includes a top die including a plurality of micro cells provided on a top surface of the top die, a plurality of micro bumps provided on a bottom surface of the top die, and wiring patterns connecting the plurality of micro cells to the plurality of micro bumps; and a bottom die including a plurality of macro cells provided on a top surface thereof, wherein the plurality of macro cells are electrically connected to the plurality of micro bumps, respectively, wherein a size of a region in which the plurality of micro cells are provided is smaller than a size of a region in which the plurality of micro bumps are provided.
    Type: Application
    Filed: July 27, 2023
    Publication date: April 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Seung CHOI, Byung-Su KIM, Bong Il PARK, Chang Seok KWAK, Sun Hee PARK, Sang Joon CHEON
  • Patent number: 11939698
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: March 26, 2024
    Assignee: SENIC INC.
    Inventors: Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik Lee, Sang Ki Ko, Kap-Ryeol Ku
  • Publication number: 20240076799
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: SENIC INC.
    Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
  • Publication number: 20230050611
    Abstract: The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.
    Type: Application
    Filed: December 10, 2020
    Publication date: February 16, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Byung Su PARK, Hyun Cheol KIM, Hyon Gyu PARK
  • Publication number: 20230032561
    Abstract: The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.
    Type: Application
    Filed: December 10, 2020
    Publication date: February 2, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Byung Su PARK, Hyun Cheol KIM, Hyon Gyu PARK
  • Publication number: 20230029530
    Abstract: The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.
    Type: Application
    Filed: December 10, 2020
    Publication date: February 2, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Byung Su PARK, Hyun Cheol KIM, Huon Gyu PARK
  • Publication number: 20230026853
    Abstract: The present application may provide a flexible device comprising a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate, which are advantageous as the difference in physical properties between the regions increases, is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate, which are advantageous as the difference in physical properties between the regions decreases, is maintained relatively small for each region.
    Type: Application
    Filed: December 10, 2020
    Publication date: January 26, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Byung Su PARK, Hyun Cheol KIM, Hyon Gyu PARK
  • Publication number: 20220332989
    Abstract: The present invention relates to a multi-region foldable adhesive film and a fabrication method therefor, and particularly, to a multi-region foldable adhesive film having improved folding characteristics by making an adhesive layer included in the foldable adhesive film have different physical properties, and a fabrication method therefor.
    Type: Application
    Filed: October 12, 2020
    Publication date: October 20, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Byung Su PARK, Hyun Cheol KIM, Hyon Gyu PARK
  • Patent number: 11262279
    Abstract: A specimen for analyzing the shape of an antistatic antifouling layer and a method for preparing the same are provided. The specimen includes Pt coated on an antistatic antifouling layer comprising a conductive polymer formed on a polymer substrate, so that a contrast difference between the polymer substrate layer and the antistatic antifouling layer is caused by the diffusion of Pt by means of the conductive polymer and the dyeing effect of the antifouling layer. Accordingly, it is possible to clearly distinguish the shape of the antistatic antifouling layer formed on the polymer substrate by using TEM.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: March 1, 2022
    Inventors: Bo Ri Lee, Byung Su Park
  • Patent number: 11091672
    Abstract: The present application relates to a method for manufacturing a pressure-sensitive adhesive film. In an embodiment, a method for manufacturing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer and a base layer includes applying a pressure-sensitive adhesive composition on at least one side of a base layer, where the pressure-sensitive adhesive composition comprises an isocyanate compound, a metal compound and an acrylic polymer; and drying the pressure-sensitive adhesive composition at a temperature of 100° C. or higher to form a pressure-sensitive adhesive layer on the base layer.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: August 17, 2021
    Inventors: Hui Je Lee, Byung Su Park, Yoon Kyung Kwon
  • Patent number: 10920113
    Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability, and also excellent adhesive force and cohesive force.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Hyon Gyu Park, Dong Kyu Roh, Yoon Kyung Kwon, Byung Su Park, Hui Je Lee
  • Publication number: 20200209116
    Abstract: A specimen for analyzing the shape of an antistatic antifouling layer and a method for preparing the same are provided. The specimen includes Pt coated on an antistatic antifouling layer comprising a conductive polymer formed on a polymer substrate, so that a contrast difference between the polymer substrate layer and the antistatic antifouling layer is caused by the diffusion of Pt by means of the conductive polymer and the dyeing effect of the antifouling layer. Accordingly, it is possible to clearly distinguish the shape of the antistatic antifouling layer formed on the polymer substrate by using TEM.
    Type: Application
    Filed: December 4, 2018
    Publication date: July 2, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Bo Ri Lee, Byung Su Park
  • Publication number: 20200048505
    Abstract: The present application relates to a method for manufacturing a pressure-sensitive adhesive film. In an embodiment, a method for manufacturing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer and a base layer includes applying a pressure-sensitive adhesive composition on at least one side of a base layer, where the pressure-sensitive adhesive composition comprises an isocyanate compound, a metal compound and an acrylic polymer; and drying the pressure-sensitive adhesive composition at a temperature of 100° C. or higher to form a pressure-sensitive adhesive layer on the base layer.
    Type: Application
    Filed: October 31, 2017
    Publication date: February 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hui Je LEE, Byung Su PARK, Yoon Kyung KWON
  • Publication number: 20190203078
    Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability, and also excellent adhesive force and cohesive force.
    Type: Application
    Filed: September 8, 2017
    Publication date: July 4, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hyon Gyu PARK, Dong Kyu ROH, Yoon Kyung KWON, Byung Su PARK, Hui Je LEE
  • Publication number: 20190119537
    Abstract: [Summary] The present invention relates to a protective film and a polarizing plate comprising the same, and provides a protective film capable of minimizing the amount of static electricity that can be generated upon peeling the protective film.
    Type: Application
    Filed: March 13, 2017
    Publication date: April 25, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Byung Su Park, Hui Je Lee, Hak Lim Kim, Yoon Kyung Kwon, Dong Kyu Kim, Hoon Jung
  • Patent number: 9581735
    Abstract: A backlight unit includes a light source and a two-dimensional micro lens array (MLA) sheet including a plurality of lens unit each having a conic lens shape with a cross-section, taken through the lens axis, having a shape defined by the equation: y = x 2 / r 1 + 1 - ( 1 + k ) ? ( 1 / r ) 2 ? x 2 where k is a constant with a value of less than or equal to ?1, and r is the radius of curvature at the peak of the lens unit.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: February 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Byoung-Mook Kim, Kwang-Seung Park, Byung-Su Park, Yune-Hyoun Kim, Sang-Choll Han, Jin-Hyun Kim
  • Patent number: 9134463
    Abstract: The present invention relates to an optical film having improved optical performance and to a backlight unit comprising the same. More particularly, the present invention relates to a microlens array (MLA) sheet which comprises a base unit and a lens unit formed on one side of the base unit, wherein the lens unit consists of a plurality of conical lenses. Existing hemispherical microlens array sheets have limitations in terms of improving luminance, and therefore cannot replace prism sheets in high luminance product s. However, the microlens array sheet consisting of conical lenses of the present invention can improve both luminance and viewing angle characteristics.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: September 15, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Byung-Mook Kim, Kwang-Seung Park, Byung-Su Park, Yune-Hyoun Kim, Sang-Choll Han, Jin-Hyun Kim
  • Publication number: 20140313697
    Abstract: There are provided a micro lens array (MLA) sheet including a plurality of lens units two-dimensionally arranged thereon, wherein each lens unit has a conic lens shape of which a vertical cross-section taken in a lens center is represented by Expression 1, and a backlight unit including the same.
    Type: Application
    Filed: January 13, 2012
    Publication date: October 23, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Byoung-Mook Kim, Kwang-Seung Park, Byung-Su Park, Yune-Hyoun Kim, Sang-Choll Han, Jin-Hyun Kim
  • Publication number: 20130121016
    Abstract: The present invention relates to an optical film having improved optical performance and to a backlight unit comprising the same. More particularly, the present invention relates to a microlens array (MLA) sheet which comprises a base unit and a lens unit formed on one side of the base unit, wherein the lens unit consists of a plurality of conical lenses. Existing hemispherical microlens array sheets have limitations in terms of improving luminance, and therefore cannot replace prism sheets in high luminance products. However, the microlens array sheet consisting of conical lenses of the present invention can improve both luminance and viewing angle characteristics.
    Type: Application
    Filed: July 14, 2011
    Publication date: May 16, 2013
    Applicant: LG CHEM., LTD
    Inventors: Byung-Mook Kim, Kwang-Seung Park, Byung-Su Park, Yune-Hyoun Kim, Sang-Choll Han, Jin-Hyun Kim
  • Publication number: 20120268816
    Abstract: There is provided a Fresnel lens structure including: a Fresnel lens layer; and a planarization layer disposed on the Fresnel lens layer, any one of the Fresnel lens layer and the planarization layer being formed of a birefringent material and the other being formed of an isotropic material having a refractive index equal to a highest refractive index or a lowest refractive index of the birefringent material. In the Fresnel lens structure, a 2/3D image switching structure is simplified and switching thereof is easy. 2/3D switching can be performed without using an apparatus with complicated structure, whereby a stereoscopic image display apparatus structure may be simplified and manufacturing costs may be reduced as compared with a lenticular lens by using a Fresnel shaped lens structure.
    Type: Application
    Filed: July 6, 2012
    Publication date: October 25, 2012
    Inventors: Sung-Hak BAE, Kwang-Seung Park, Sang-Choll Han, Byung-Su Park