Patents by Inventor Dong Hyun Oh

Dong Hyun Oh 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).

  • NOVEL LIQUID CRYSTAL COMPOUND AND USE THEREOF
    Publication number: 20190016956
    Abstract: The present application relates to a novel liquid crystal compound and a use thereof. The novel liquid crystal compounds of the present application can exhibit a smectic A phase over a wide temperature range. The novel liquid crystal compounds of the present application can be usefully used in the technical fields to which smectic A liquid crystals can be applied, for example, bistable devices.
    Type: Application
    Filed: May 23, 2017
    Publication date: January 17, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Ki Chul Koo, Dong Hyun Oh
  • LIQUID CRYSTAL DEVICE
    Publication number: 20180373084
    Abstract: The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a level of an applied voltage at a fixed frequency. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.
    Type: Application
    Filed: March 31, 2016
    Publication date: December 27, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sung Joon Min, Jung Sun You, Jung Woon Kim, Jin Hong Kim, Dong Hyun Oh
  • LIQUID CRYSTAL DEVICE
    Publication number: 20180373068
    Abstract: The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a frequency and/or level of an applied voltage. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.
    Type: Application
    Filed: March 31, 2016
    Publication date: December 27, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sung Joon Min, Jung Sun You, Jung Woon Kim, Jin Hong Kim, Dong Hyun Oh
  • FILM MASK, METHOD FOR MANUFACTURING SAME, AND METHOD FOR FORMING PATTERN USING FILM MASK AND PATTERN FORMED THEREBY
    Publication number: 20180348627
    Abstract: The present application relates to a film mask comprising: a transparent substrate; a darkened light-shielding pattern layer provided on the transparent substrate; and an embossed pattern part provided on a surface of the transparent substrate, which is provided with the darkened light-shielding pattern layer, a method for manufacturing the same, a method for forming a pattern by using the same, and a pattern formed by using the same.
    Type: Application
    Filed: January 31, 2017
    Publication date: December 6, 2018
    Inventors: Ji Young HWANG, Han Min SEO, Nam Seok BAE, Seung Heon LEE, Dong Hyun OH, Jungsun YOU
  • FILM MASK, METHOD FOR MANUFACTURING SAME, AND METHOD FOR FORMING PATTERN USING FILM MASK AND PATTERN FORMED THEREBY
    Publication number: 20180341176
    Abstract: The present application relates to a film mask comprising: a transparent substrate; a darkened light-shielding pattern layer provided on the transparent substrate; and groove portions provided in a region where the darkened light-shielding pattern layer is not provided, a method for manufacturing the same, a method for forming a pattern by using the same, and a pattern manufactured by using the same.
    Type: Application
    Filed: January 31, 2017
    Publication date: November 29, 2018
    Inventors: Ji Young HWANG, Han Min SEO, Sangcholl HAN, Seung Heon LEE, Dong Hyun OH, Dae Han SEO, Nam Seok BAE, Min Soo SONG
  • Liquid crystal display device
    Patent number: 10133135
    Abstract: The present specification relates to a liquid crystal display device.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: November 20, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ilha Lee, Ji Young Hwang, Seung Heon Lee, Dong Hyun Oh, Ki-Hwan Kim, Han Min Seo, Chan Hyoung Park
  • FILM MASK, METHOD FOR MANUFACTURING SAME, AND METHOD FOR FORMING PATTERN USING FILM MASK
    Publication number: 20180329286
    Abstract: The present application relates to a film mask including: a transparent substrate; a darkened light-shielding pattern layer provided on the transparent substrate; and a release force enhancement layer provided on the darkened light-shielding pattern layer and having surface energy of 30 dynes/cm or less, a method for manufacturing the same, and a method for forming a pattern using the film mask.
    Type: Application
    Filed: January 31, 2017
    Publication date: November 15, 2018
    Inventors: Ji Young HWANG, Han Min SEO, Nam Seok BAE, Seung Heon LEE, Dong Hyun OH, Chan Hyoung PARK, Ki-Hwan KIM, Ilha LEE
  • Thin-film transistor substrate having a light reflection reduction layer and display device comprising same
    Patent number: 10103269
    Abstract: The present specification relates to a thin-film transistor substrate and a display device including the same.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: October 16, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ilha Lee, Ji Young Hwang, Seung Heon Lee, Dong Hyun Oh, Ki-Hwan Kim, Han Min Seo, Chan Hyoung Park
  • ORGANIC LIGHT EMITTING ELEMENT
    Publication number: 20180269420
    Abstract: The present specification relates to an organic light emitting device.
    Type: Application
    Filed: October 26, 2016
    Publication date: September 20, 2018
    Inventors: Ilha LEE, Pumsuk PARK, Ji Young HWANG, Ki-Hwan KIM, Seung Heon LEE, Dong Hyun OH, Chan Hyoung PARK
  • METHOD OF MANUFACTURING AN OPTICAL DEVICE
    Publication number: 20180246361
    Abstract: The present application relates to a method of manufacturing an optical device, an optical device and a use of the optical device. The method of manufacturing an optical device of the present application can form a patterned mold layer to maintain an appropriate gap between the upper and lower substrates, and can apply an imprinting process in patterning the mold layer to simply manufacture the mold pattern having the desired shape. In addition, the optical device manufactured by the above manufacturing method can have a low driving voltage and no short circuit phenomenon, and be realized as a flexible device. Such an optical device can be applied to various display devices such as LCDs.
    Type: Application
    Filed: September 8, 2016
    Publication date: August 30, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jung Sun You, Sung Joon Min, Dong Hyun Oh, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
  • LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20180149935
    Abstract: The present specification relates to a liquid crystal display device.
    Type: Application
    Filed: May 9, 2016
    Publication date: May 31, 2018
    Inventors: Ilha LEE, Ji Young HWANG, Seung Heon LEE, Dong Hyun OH, Ki-Hwan KIM, Han Min SEO, Chan Hyoung PARK
  • Optical element with conductive composite layer
    Patent number: 9958742
    Abstract: The present application relates to an optical element. The exemplary optical element may have a variable transmittance by whether an external signal is applied or not. Also, since the optical element may apply the external signal by using a composite layer having a low transmittance to light in an infrared region, the optical element may block heat, and save energy. Such an optical element may be usefully employed in various optical devices, for example, a sunroof.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: May 1, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung Joon Min, Eun Jung Lim, Dong Hyun Oh, Jung Woon Kim, Jung Sun You, Jin Hong Kim
  • ORGANIC LIGHT-EMITTING DISPLAY DEVICE
    Publication number: 20180108870
    Abstract: The present specification relates to an organic light emitting display device.
    Type: Application
    Filed: May 9, 2016
    Publication date: April 19, 2018
    Inventors: Ilha LEE, Ji Young HWANG, Seung Heon LEE, Dong Hyun OH, Ki-Hwan KIM, Han Min SEO, Chan Hyoung PARK, Soon-Sung CHUNG
  • DISPLAY ELEMENT
    Publication number: 20180074377
    Abstract: A display element, a method for manufacturing the same, and a use thereof are provided. The display element can induce a decrease in driving voltage without reducing a difference in a cell gap, have durability by ensuring proper adhesion characteristics, and, specifically, can effectively overcome a problem of the display element including a vertical alignment adhesive layer, in particular, a problem of increasing driving voltage, which can be generated when the thickness is increased so as to improve the adhesion characteristics.
    Type: Application
    Filed: June 10, 2016
    Publication date: March 15, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jung Sun You, Yoon Kyung Kwon, Dong Hyun Oh, Sung Joon Min, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
  • REFLECTIVE LIQUID CRYSTAL DEVICE AND USE THEREOF
    Publication number: 20180067355
    Abstract: A liquid crystal device and the use thereof are provided. The liquid crystal device has an advantage in terms of power consumption since a normally transparent mode may be realized in a state in which an external electric field is not applied, and can exhibit an excellent light blocking characteristic when an external electric field is applied.
    Type: Application
    Filed: March 28, 2016
    Publication date: March 8, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jin Hong KIM, Dong Hyun OH, Sung Joon MIN, Jung Sun YOU, Jung Woon KIM, Eun Jung LIM
  • Light modulation device
    Patent number: 9904129
    Abstract: Provided are a light modulation device and a use thereof. The light modulation device may apply an external signal by a composite layer having a high transmittance in a visible region, a low transmittance in an infrared region and a low sheet resistance. Such a light modulation device may be applied in various uses such as a smart window, a window protecting film, a flexible display element, an active retarder for displaying a 3D image or a viewing angle control film.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: February 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung Joon Min, Su Jin Kim, Doo Hoon Song, Jin Hyong Lim, Dong Hyun Oh, Ki Hwan Kim
  • CONDUCTIVE STRUCTURE, MANUFACTURING METHOD THEREFOR, AND ELECTRODE COMPRISING CONDUCTIVE STRUCTURE
    Publication number: 20180046017
    Abstract: The present specification relates to a conductive structure body, a method for manufacturing the same, and an electrode and an electronic device including the conductive structure body.
    Type: Application
    Filed: March 28, 2016
    Publication date: February 15, 2018
    Inventors: Ilha LEE, Seung Heon LEE, Song Ho JANG, Dong Hyun OH, Ji Young HWANG, Ki-Hwan KIM, Han Min SEO, Chan Hyoung PARK, Sun Young PARK
  • THIN-FILM TRANSISTOR SUBSTRATE AND DISPLAY DEVICE COMPRISING SAME
    Publication number: 20180033893
    Abstract: The present specification relates to a thin-film transistor substrate and a display device including the same.
    Type: Application
    Filed: May 9, 2016
    Publication date: February 1, 2018
    Inventors: Ilha LEE, Ji Young HWANG, Seung Heon LEE, Dong Hyun OH, Ki-Hwan KIM, Han Min SEO, Chan Hyoung PARK
  • LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME
    Publication number: 20180024397
    Abstract: The present specification relates to a liquid crystal display device and a method for manufacturing the same.
    Type: Application
    Filed: May 2, 2016
    Publication date: January 25, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Ilha LEE, Ji Young HWANG, Seung Heon LEE, Dong Hyun OH, Ki-Hwan KIM, Han Min SEO, Chan Hyoung PARK
  • LIQUID CRYSTAL DEVICE
    Publication number: 20180011352
    Abstract: The present invention relates to a liquid crystal device, a method of manufacturing the liquid crystal device, and the use of the liquid crystal device. The liquid crystal device according to the present invention has excellent light shielding rate variability characteristics. Such a liquid crystal device can be applied to various optical modulation devices such as a smart window, a window protection film, a flexible display device, an active retarder for displaying a 3D image, or a viewing angle adjustment film.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 11, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Sung Joon Min, Jung Sun You, Jin Hong Kim, Eun Jung Lim, Dong Hyun Oh