Patents by Inventor Sin-Young Kim

Sin-Young Kim 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).

  • Patent number: 10943960
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance on the side as well as the front. The optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: March 9, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Eun Hye Lee, Sergey Belyaev, Sin Young Kim, Ji Youn Lee, Moon Soo Park, Hyuk Yoon, Sun Kug Kim
  • Publication number: 20210011210
    Abstract: Provided is a circularly polarizing plate and a display device that includes the circularly polarizing plate. The circularly polarizing plate can be applied to a display device such as an organic light emitting display device to minimize blocking of light in the visible light region affecting image quality while blocking harmful ultraviolet rays appropriately and also has excellent durability.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 14, 2021
    Inventors: Sun Kug KIM, Moon Soo PARK, Sin Young KIM, Hyuk YOON, Eun Soo HUH, Jong Hyun JUNG
  • Publication number: 20200199602
    Abstract: A marker composition for selecting a living modified organism allows transformation and the production of a target product without antibiotics or antibiotic resistance genes. The marker composition for selecting a living modified organism may basically prevent problems caused by the use of antibiotics and antibiotic resistance genes and produce a target product at a high yield.
    Type: Application
    Filed: May 11, 2018
    Publication date: June 25, 2020
    Inventors: Seon Won KIM, Hyo Jung HAN, Sin Young KIM, Ji Bin PARK
  • Publication number: 20200200958
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance and color characteristics on the side as well as the front. The optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Application
    Filed: April 20, 2018
    Publication date: June 25, 2020
    Inventors: Ji Youn LEE, Sergey BELYAEV, Sin Young KIM, Sun Kug KIM
  • Patent number: 10564337
    Abstract: The present application relates to an optical film and a use of the optical film, and can provide an optical film exhibiting selective transmission and blocking characteristics according to viewing angles, and such an optical film can be usefully used as a security film for a display device such as LCD, a smart window, sunglasses and the like.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: February 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sin Young Kim, Sergey Belyaev, Ji Youn Lee, Moon Soo Park
  • Publication number: 20200043993
    Abstract: The present application relates to an optical filter and an organic light-emitting display device. The optical filter of the present application has excellent omnidirectional antireflection performance on the side as well as the front. The optical filter can be applied to an organic light-emitting device to improve visibility.
    Type: Application
    Filed: January 25, 2018
    Publication date: February 6, 2020
    Inventors: Eun Hye LEE, Sergey BELYAEV, Sin Young KIM, Ji Youn LEE, Moon Soo PARK, Hyuk YOON, Sun Kug KIM
  • Patent number: 10495797
    Abstract: The present application relates to a liquid crystal composition, a polarizing element and a use of the polarizing element. Since the polarizing element may be prepared by a simple coating process, the guest host type liquid crystal composition of the present application allows not only for reducing the manufacturing cost and lightweight thinning of the polarizing element, but also for manufacturing the polarizing element showing an excellent heat resistant stability without changes of absorption spectrum to transmission spectrum even in a severe condition such as high temperature environment. Such a polarizing element can be applied to various display devices such as liquid crystal display devices, EL display devices, field emission display devices, display devices using electronic papers, projection display devices or piezoelectric ceramic display devices.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: December 3, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Ji Youn Lee, Sin Young Kim, Moon Soo Park, Dae Hee Lee
  • Publication number: 20190250465
    Abstract: A transmittance-variable film and a use thereof, where the transmittance-variable film can control pretilt of a liquid crystal interface by applying a liquid crystal alignment film containing splay oriented liquid crystal molecules, and can vertically and horizontally orient a liquid crystal layer or a liquid crystal interface according to an average tilt angle of the liquid crystal alignment film to ensure uniformity of driving and fast response speed. In addition, by applying a liquid crystal alignment film, the transmittance-variable film can be implemented in various modes with a simple coating-drying-curing method excluding the rubbing process by controlling an arrangement of liquid crystal molecules in a liquid crystal alignment film other than the pretilt control method using the conventional rubbing method.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Moon Soo Park, Byoung Kun Jeon, Sin Young Kim, Ji Youn Lee
  • Publication number: 20180321431
    Abstract: The present application relates to an optical film and a use of the optical film, and can provide an optical film exhibiting selective transmission and blocking characteristics according to viewing angles, and such an optical film can be usefully used as a security film for a display device such as LCD, a smart window, sunglasses and the like.
    Type: Application
    Filed: October 5, 2016
    Publication date: November 8, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Sin Young KIM, Sergey BELYAEV, Ji Youn LEE, Moon Soo PARK
  • Patent number: 10088614
    Abstract: The present application relates to a liquid crystal composition, a polarizing element and a use of the polarizing element. Since the polarizing element may be prepared by a simple coating process, the guest host type liquid crystal composition of the present application allows not only for reducing the manufacturing cost and lightweight thinning of the polarizing element, but also for manufacturing the polarizing element showing an excellent heat resistant stability without changes of absorption spectrum to transmission spectrum even in a severe condition such as high temperature environment. Such a polarizing element can be applied to various display devices such as liquid crystal display devices, EL display devices, field emission display devices, display devices using electronic papers, projection display devices or piezoelectric ceramic display devices.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: October 2, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ji Youn Lee, Sin Young Kim, Moon Soo Park, Dae Hee Lee
  • Patent number: 9920249
    Abstract: A liquid crystal composition, a liquid crystal film and a display device are provided. The liquid crystal composition can be uniformly aligned with no problems such as dewetting in an operation of aligning horizontally alignable liquid crystals. Also, a state of the aligned liquid crystal compound can be stably maintained.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: March 20, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Dae Hee Lee, Sin Young Kim, Da Mi Lee, Moon Soo Park
  • Patent number: 9915835
    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: Grant
    Filed: December 18, 2014
    Date of Patent: March 13, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Moon Soo Park, Bu Gon Shin, Sin Young Kim, Jong Byung Lee, Da Mi Lee, Ji Hoon Park
  • Patent number: 9846312
    Abstract: A polarizing mask and an apparatus and method for manufacturing an optical device are provided. The polarizing mask capable of being used to manufacture the optical device including an optical layer whose optical axes or light absorption axes are shifted continuously is provided. The optical device manufactured thus can be used to adjust characteristics of light in electronic devices such as display devices, or can be used for various applications requiring a continuous change in an optical axis or light absorption axis, including use of windows or shades of buildings or automobiles.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: December 19, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Moon Soo Park, Bu Gon Shin, Hyuk Yoon
  • Patent number: 9791607
    Abstract: An optical element and a use of the optical element are provided. The exemplary optical element can be useful in realizing a smart blind having excellent transmission and blocking characteristics in front and lateral surfaces thereof without using a retardation film by employing a polarizing layer whose polarization characteristics are patterned using a guest/host-type dye layer including a polymerizable liquid crystal compound and a dichroic dye. Such an optical element may be applied to various light modulating devices such as smart blinds, smart windows, window protective films, flexible display elements, active retarders for displaying a 3D image, or viewing angle adjustment films.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 17, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Ji Youn Lee, Moon Soo Park, Hyuk Yoon
  • Publication number: 20170293058
    Abstract: The present application relates to a liquid crystal composition, a polarizing element and a use of the polarizing element. Since the polarizing element may be prepared by a simple coating process, the guest host type liquid crystal composition of the present application allows not only for reducing the manufacturing cost and lightweight thinning of the polarizing element, but also for manufacturing the polarizing element showing an excellent heat resistant stability without changes of absorption spectrum to transmission spectrum even in a severe condition such as high temperature environment. Such a polarizing element can be applied to various display devices such as liquid crystal display devices, EL display devices, field emission display devices, display devices using electronic papers, projection display devices or piezoelectric ceramic display devices.
    Type: Application
    Filed: July 4, 2016
    Publication date: October 12, 2017
    Inventors: Ji Youn LEE, Sin Young KIM, Moon Soo PARK, Dae Hee LEE
  • Patent number: 9709827
    Abstract: Polarized glasses including an area for a left eye and an area for a right eye, into which an image signal enters, the areas for the left eye and for the right eye include an optical anisotropic layer and a polarizer respectively, the optical anisotropic layer includes at least one optical anisotropic film, and the optical anisotropic layer has a value calculated by Formula 1 in a range from 50 nm to 500 nm, and a value calculated by Formula 2 in a range from 0.1 to 3: DX?DY??[Formula 1] (X?Y)/(Z?Y)??[Formula 2] where X is the refractive index in the direction of an in-plane slow axis of the optical anisotropic layer, Y represents the refractive index in the direction of an in-plane fast axis of the optical anisotropic layer, Z represents the refractive index in the direction in a thickness of the optical anisotropic layer, and D represents a thickness of the optical anisotropic layer.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: July 18, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Sergey Belyaev, Moon Soo Park, Sin Young Kim
  • Patent number: 9703145
    Abstract: A liquid crystal composition and a method of manufacturing an optical film. The liquid crystal composition which may form a liquid crystal layer having excellent optical characteristics and a high surface hardness. The liquid crystal layer formed as described above may be used in various applications, and for example, may be disposed on the outermost surface of a display device, such as an LCD or an OLED, or at an outer side of a polarizing layer of the display in which the polarizing layer is disposed at a visible side, thereby serving as a liquid crystal layer which may solve a problem of degrading brightness occurring when an observer watches an image with polarizing sunglasses.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Su Young Ryu, Moon Soo Park, Jun Won Chang, Sin Young Kim
  • Patent number: 9599833
    Abstract: An optical device and an optical panel are provided. The optical device including an optical layer whose optical axes or light absorption axes are shifted continuously is provided. The optical device can be used to adjust characteristics of light in electronic devices such as display devices, or can be used for various applications requiring a continuous change in an optical axis or light absorption axis, including use of windows or shades of buildings or automobiles.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: March 21, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Moon Soo Park, Bu Gon Shin, Hyuk Yoon
  • Patent number: 9470928
    Abstract: Disclosed is a homeotropic alignment liquid crystal film without an alignment layer and a method for preparing the same. More specifically, the present invention relates to a homeotropic alignment liquid crystal film without using a separate alignment layer to induce a homeotropic alignment of the liquid crystal in which a liquid crystal layer has a homeotropic alignment property by coating a polymerizable and reactive liquid crystalline mixture solution including a predetermined surfactant on a plastic substrate whose surface are hydrophilic-treated, and drying and UV irradiating the mixture solution; a method for preparing the same. The homeotropic alignment liquid crystal film prepared according to the present invention may be very useful as a major component of a viewing-angle compensation film and a retardation film, etc. in LCD, and has advantages of simplicity of the manufacturing process, its shortened manufacturing time, its mass production, etc.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: October 18, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Eun-kyung Kim, Dae-hee Lee, Moon-soo Park, Seung-hun Chae, Sin-young Kim
  • Patent number: 9417367
    Abstract: The present invention relates to a pressure sensitive adhesive film for an orientating treatment of a photo-orientable layer, a laminated film, a method for preparing an optical filter or a stereoscopic image display device. In the present invention, the pressure sensitive adhesive film for an orientating treatment in a photo-orientable layer which can minimize the generation of the un-orientated regions, and can form the orientated pattern having high degrees of accuracy, and the preparation method for an optical filter using the pressure sensitive adhesive film are provided. Further, the present invention can provide the optical filter and the stereoscopic image display device having excellent performance.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: August 16, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Hyuk Yoon, Jong Sung Park, Kyung Ki Hong, Eung Jin Jang, Moon Soo Park, Doo Young Huh