Patents by Inventor Byung Lee

Byung Lee 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).

  • Superhydrophobic substrate and method of manufacturing the same
    Patent number: 9376341
    Abstract: There is provided a superhydrophobic substrate comprising a plurality of protrusions having a pseudo random distribution on one surface thereof, an average interval between respective protrusions among the plurality of protrusions being greater than an interval between light beam wave peaks of light within the visible spectrum, allowing the substrate to have durability and transparency secured therein.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: June 28, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Tae-Su Kim, Hyeon Choi, Bu-Gon Shin, Jae-Jin Kim, Jong-Byung Lee, Su-Jin Kim
  • Binder Composition for Sublimation Printing Natural Fibers
    Publication number: 20160168379
    Abstract: A binder composition for sublimation-printing natural fibers of the present invention includes: (A) an aqueous solvent; (B) a moisture evaporation retardant selected from urea, glycerine, and a mixture thereof; (C) a (meth)acrylic polymer; (D) a polyurethane; (E) a blocked polyisocyanate; and (F) a paraffin wax.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 16, 2016
    Inventor: Kwan Byung Lee
  • Impedance tuners with position feedback
    Patent number: 9209786
    Abstract: An impedance tuner includes a controller, an RF transmission line, and a movable capacitive object configured for movement commanded by the controller relative to the transmission line to alter impedance. A position sensor is configured to provide feedback position data to the controller indicative of the actual position of the capacitive object after it is moved. The controller is configured to utilize the feedback position data in a closed loop to position the capacitive object at a desired position within a tolerance.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: December 8, 2015
    Assignee: Maury Microwave, Inc.
    Inventors: Byung Lee, Gary R. Simpson, Sathya Padmanabhan
  • IMPEDANCE TUNERS WITH POSITION FEEDBACK
    Publication number: 20150349751
    Abstract: An impedance tuner includes a controller, an RF transmission line, and a movable capacitive object configured for movement commanded by the controller relative to the transmission line to alter impedance. A position sensor is configured to provide feedback position data to the controller indicative of the actual position of the capacitive object after it is moved. The controller is configured to utilize the feedback position data in a closed loop to position the capacitive object at a desired position within a tolerance.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 3, 2015
    Inventors: Byung Lee, Gary R. Simpson, Sathya Padmanabhan
  • EXPOSURE APPARATUS
    Publication number: 20150309417
    Abstract: Provided are a photomask, an exposure apparatus and a method. A fine pattern having a submicrometer size can be easily formed on a cylindrical mold, and the cylindrical mold having the pattern formed therein can be easily applied to an automation process, such as a roll-to-roll process. Also, the fine pattern can be formed in a large scale having various sizes by using a mask formed of a flexible material, and patterns having different shapes can be divided or independently formed on a curved surface of the cylindrical mold so that a degree of freedom of a process can be improved.
    Type: Application
    Filed: August 1, 2014
    Publication date: October 29, 2015
    Inventors: Jeong Ho PARK, Bu Gon SHIN, Jae Jin KIM, Jong Byung LEE
  • ALIGNMENT FILM FOR LIQUID CRYSTAL LENS AND MOLD FOR PREPARING THE SAME (As Amended)
    Publication number: 20150309370
    Abstract: Provided are an alignment film for a liquid crystal (LC) lens, a mold for preparing the same, a method of manufacturing the alignment film, and a method of manufacturing the mold. An alignment film in which an LC lens in which liquid crystals are well aligned, can be effectively manufactured, or a mold for preparing the alignment film can be provided. In particular, in order to implement a shape of a lens, the liquid crystals filled in a nonplanar space, such as a curved surface, are effectively aligned in the LC lens so that the LC lens can be formed. Also, a combined fine pattern can be manufactured using a simple process and can also be applied to a continuous process, such as a roll-to-roll process.
    Type: Application
    Filed: August 1, 2014
    Publication date: October 29, 2015
    Inventors: Jeong Ho PARK, Bu Gon SHIN, Jae Jin KIM, Jong Byung LEE
  • Multi-carriage impedance tuner with single lead screw
    Patent number: 9148127
    Abstract: An impedance tuner having an RF transmission line, with a single lead screw extending along the RF transmission line. A plurality of movable carriages are engaged with the lead screw, wherein each of the plurality of movable carriages is configured for independent movement relative to other carriages. A motorized drive system drives the plurality of movable carriages independently along the lead screw.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: September 29, 2015
    Assignee: Maury Microwave, Inc.
    Inventors: Byung Lee, Gary R. Simpson, Sathya Padmanabhan
  • Method of operating a semiconductor memory device
    Patent number: 9135968
    Abstract: A semiconductor memory device is operated by, inter alia, selecting an even bit line or an odd bit line in response to a read command, and precharging the selected bit line by applying a precharge voltage to the selected bit line; changing potential of the selected bit line in response to a threshold voltage of a selected memory cell coupled to the selected bit line; precharging a non-selected bit line by applying a precharge voltage to the non-selected bit line; and sensing read data in accordance with the potential of the selected bit line.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: September 15, 2015
    Assignee: SK Hynix Inc.
    Inventors: Byung In Lee, Byeong Il Han
  • POLARIZED ULTRAVIOLET LIGHT SPLITTING ELEMENT
    Publication number: 20150219918
    Abstract: The present application relates to a polarized ultraviolet light splitting element and to the use thereof. The present application may provide a polarized ultraviolet light splitting element which exhibits excellent splitting efficiency within a wide range of the ultraviolet light region and which has excellent durability. The element can be used, for example, in a photoalignment process of a liquid crystal alignment film.
    Type: Application
    Filed: August 29, 2013
    Publication date: August 6, 2015
    Applicant: LG Chem, Ltd.
    Inventors: Tae Su Kim, Jae Jin Kim, Jong Byung Lee, Jeong Ho Park, Jin Mi Jung, Bu Gon Shin
  • METHOD FOR MANUFACTURING POLARIZED LIGHT SPLITTING ELEMENT AND POLARIZED LIGHT SPLITTING ELEMENT
    Publication number: 20150205026
    Abstract: The present application relates to a method for manufacturing a polarized light splitting element and a polarized light splitting element. The present application can provide: a method for manufacturing the polarized light splitting element having excellent polarized light splitting ability and light-transmission ability through a simple and efficient process; and the polarized light splitting element having the excellent polarized light splitting ability and the light transmission ability.
    Type: Application
    Filed: August 29, 2013
    Publication date: July 23, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Jin Mi Jung, Jong Byung Lee, Bu Gon Shin, Jae Jin Kim
  • FPR HAVING PERIODIC MICROPATTERN
    Publication number: 20150103279
    Abstract: This application relates a liquid crystal alignment film, a manufacturing method of the liquid crystal alignment film, an optical filter, and a display device. According to one illustrative liquid crystal alignment film, for example, a stereoscopic image can be displayed in wide viewing angles without losses of the brightness.
    Type: Application
    Filed: December 18, 2014
    Publication date: April 16, 2015
    Inventors: Byoung Kun JEON, Moon Soo Park, Bu Gon Shin, Sin Young Kim, Jong Byung Lee, Da Mi Lee, Ji Hoon Park
  • Reflective polarizer including grids with nanoparticles and resin material
    Patent number: 8896920
    Abstract: A reflective polarizer, a method of manufacturing a reflective polarizer, an optical element, and a display device are provided. The reflective polarizer may have excellent thermal and physical durability even when exposed to a light source and external friction. In addition, the method for manufacturing a reflective polarizer may provide a large-sized reflective polarizer without using expensive equipment.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: November 25, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jin Mi Jung, Jae Jin Kim, Jong Byung Lee, Bu Gon Shin
  • COMPOSITIONS AND METHODS FOR PREPARING SHORT RNA MOLECULES AND OTHER NUCLEICACIDS
    Publication number: 20140142290
    Abstract: The invention provides methods of preparing nucleic acids, such as RNA molecules, of a defined size or range of sizes. The invention provides compositions, methods and kits for use in the production and preparation of small RNA molecules (including without limitation micro-RNA, siRNA, d-siRNA and e-siRNA) and other nucleic acids of various sizes.
    Type: Application
    Filed: September 16, 2013
    Publication date: May 22, 2014
    Applicant: LIFE TECHNOLOGIES CORPORATION
    Inventors: Knut MADDEN, Adam Harris, Karl Hecker, Byung-In Lee
  • Power supply device, panel driving device and power supply control method for display device
    Patent number: 8674974
    Abstract: The present invention relates to a display device. There is disclosed a power supply unit and of a display device and a method thereof that can reduce frequency interference by electro-magnetic interference (EMI).
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: March 18, 2014
    Assignee: LG Electronics Inc.
    Inventor: Joo-Byung Lee
  • NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME
    Publication number: 20140061759
    Abstract: A nonvolatile memory device includes a plurality of gate structures, each gate structure formed over a substrate and including a tunnel insulating layer, a floating gate, an inter-gate dielectric layer, and a control gate, which are sequentially stacked, and an interlayer dielectric layer covering the plurality of gate structures and having an air gap formed between adjacent gate structures, wherein the bottom surface of the air gap is positioned at a lower level than the surface of the tunnel insulating layer.
    Type: Application
    Filed: December 17, 2012
    Publication date: March 6, 2014
    Applicant: SK HYNIX INC.
    Inventors: Byung-In LEE, Tae-Gyun KIM
  • REFLECTIVE POLARIZER
    Publication number: 20140036200
    Abstract: The present application relates to a reflective polarizer, a method of manufacturing a reflective polarizer, an optical element, and a display device. The reflective polarizer may have excellent thermal and physical durability even when exposed to a light source and external friction. In addition, the method for manufacturing a reflective polarizer according to the present application may provide a large-sized reflective polarizer without using expensive equipment.
    Type: Application
    Filed: October 7, 2013
    Publication date: February 6, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jin Mi Jung, Jae Jin Kim, Jong Byung Lee, Bu Gon Shin
  • POLARIZED LIGHT SPLITTING ELEMENT
    Publication number: 20140021367
    Abstract: Provided are a polarized light splitting element, a method of manufacturing the same, a light radiating device, a method of radiating light, and a method of manufacturing an ordered photo-alignment film. The polarized light splitting element has excellent durability with respect to UV rays and heat, and low pitch dependence of polarization characteristics, so that it is easily manufactured. In addition, the polarized light splitting element may realize a high polarization degree and extinction ratio even in a short wavelength region.
    Type: Application
    Filed: September 27, 2013
    Publication date: January 23, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Tae Su KIM, Jeong Ho PARK, Bu Gon SHIN, Jae Jin KIM, Jong Byung LEE, Jin Mi JUNG
  • Wiper device improving separation function of wiper blade
    Patent number: 8627540
    Abstract: A wiper device having an improved function of separating a wiper blade. The wiper device includes: a wiper blade including: a wiper rib for cleaning a glass of a vehicle; a lever member supporting the wiper rib; and a rotary shaft disposed across opposite side walls of a penetration hole formed in a center portion of the lever member, and including a rotary shaft that has a non-circular cross section; a retainer including a receiving recess including an opening corresponding to the non-circular cross section so as to detachably receive the rotary shaft; and an index unit indicating a position where the wiper blade is coupled to or separated from the retainer while the wiper blade is rotated with respect to the retainer within a predetermined angle range.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: January 14, 2014
    Assignee: Dongyang Mechatronics Corp.
    Inventors: Jeong Byung Lee, Kyoung Ho Ko
  • METHOD OF MANUFACTURING POLARIZED LIGHT SPLITTING ELEMENT
    Publication number: 20140009823
    Abstract: Provided are a method of manufacturing a polarized light splitting element, a polarized light splitting element, a light radiating device, a method of radiating light, and a method of manufacturing an orientationally-ordered photoalignment layer. The method of manufacturing a polarized light splitting element has a simple manufacturing process and a low production cost, and may be used to easily manufacture a large-scale UV ray polarized light splitting element. In addition, the polarized light splitting element may have excellent durability to UV rays and heat, and a low pitch dependency on a polarization characteristic, thereby facilitating performance of the manufacturing process, and excellent polarity in a short wavelength region.
    Type: Application
    Filed: August 20, 2013
    Publication date: January 9, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Ho PARK, Tae Su KIM, Jae Jin KIM, Jong Byung LEE, Jin Mi JUNG, Bu Gon SHIN
  • POLARIZATION SEPARTION ELEMENT
    Publication number: 20130335815
    Abstract: The present application relates to a polarization separation element, a method for manufacturing a polarization separation element, a device for irradiating light, a method for irradiating light, and a method for manufacturing a photo-alignment layer. An ultraviolet ray polarization separation element, according to the present invention, has superior resistance to ultraviolet rays and heat, and involves a simple manufacturing process due to less pitch dependency of polarizing characteristics. In addition, the polarization separation element according to the present application can achieve a superior degree of polarization and extinction ratio even within a short wavelength field.
    Type: Application
    Filed: August 16, 2013
    Publication date: December 19, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Tae Su KIM, Jae Jin Kim, Jong Byung Lee, Jeong Ho Park, Jin Mi Jung, Bu Gon Shin