Patents by Inventor Oleg Prudnikov

Oleg Prudnikov 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: 20140085567
    Abstract: A display device includes a display panel and a backlight unit. The display panel is configured to display an image. The backlight unit is configured to provide light to the display panel. The display panel includes an array substrate including a plurality of pixel areas, an opposite substrate facing the array substrate, a liquid crystal layer disposed between the array substrate and the opposite substrate, and a wavelength-selective transflective member disposed on the array substrate or the opposite substrate.
    Type: Application
    Filed: February 20, 2013
    Publication date: March 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyundeok IM, Oleg PRUDNIKOV, TaeWoo KIM, Moongyu LEE, Byoungho CHEONG
  • Publication number: 20140043851
    Abstract: A lighting unit for a display device includes: a plurality of light sources which emits light; a wedge-shaped light guide having an incident surface disposed close to the light sources and an opposing surface disposed opposite the incident surface; and a lens sheet disposed on the light guide, where the lens sheet includes a plurality of lenses, each having an axis in a direction from the incident surface to the opposing surface, where the light guide is thinner at the incident surface than at the opposing surface, and a radius of curvature of each of the lenses is larger at the incident surface than the opposing surface.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 13, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun Deok IM, Hyun Jin CHO, Oleg PRUDNIKOV, Dae Ho YOON, Byoung Ho CHEONG
  • Publication number: 20130235287
    Abstract: A light source assembly including a light source part, a light guide plate and a light-condensing sheet. The light source assembly generates light and includes at least one light source. The light guide plate includes an incident surface to which the light is incident, an opposing surface which is opposite to the incident surface, and an exiting surface which emits the light, and has a thickness which is gradually increased from the incident surface to the opposing surface. The light-condensing sheet includes a plurality of reverse prism patterns which protrude toward the exiting surface, extend along an arc of a circle, and are arranged in a concentric circle structure.
    Type: Application
    Filed: August 21, 2012
    Publication date: September 12, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun-Deok IM, Guk-Hyun Kim, Jung-Hyun Cho, Moon-Jung Baek, Byoung-Ho Cheong, Seong-Mo Hwang, Oleg Prudnikov
  • Publication number: 20130235613
    Abstract: In a light guide plate and a display apparatus having the light guide plate, a light guide plate includes reflective prisms, in which at least one of the reflective prisms includes an inclined angle adjustable according to an inclined surface of a defective portion thereof and compensates for a distortion of light caused by the defective portion.
    Type: Application
    Filed: August 31, 2012
    Publication date: September 12, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYOUNGHO CHEONG, Oleg Prudnikov, Guk Hyun Kim, Hyundeok Im
  • Patent number: 8246187
    Abstract: A backlight unit includes a light source substrate on which a light source is mounted, a first light source plate which is disposed on the light source substrate and includes a cylindrical aperture corresponding to the light source, and a second light source plate which is disposed on the first light source plate and includes a partial transmission pattern on a bottom surface thereof. The partial transmission pattern corresponds to the aperture and allows part of light emitted from the light source to pass therethrough.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: August 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung-Ho Cheong, Guk-Hyun Kim, Oleg Prudnikov, Seung-Won Park, Hyun-Jin Cho
  • Patent number: 8240855
    Abstract: A diffuser having a shape for reducing speckle noise and a laser projection system including the diffuser are provided. The diffuser is employed by a laser projection system to reduce speckle noise, and includes a scattering pattern. The scattering pattern includes a plurality of scattering ribbons, and a curved surface of each of the plurality of scattering ribbons satisfies equations so that speckle noise is minimized for an aperture size of an optical system.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: August 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Oleg Prudnikov
  • Patent number: 8009346
    Abstract: The present invention relates to an interference optical modulator and a display apparatus having the same. The display apparatus includes a metal thin film and a dielectric multiple thin film spaced apart from the metal thin film. The display apparatus may realize colors by changing an interval between the metal thin film and the dielectric multiple thin film, and may realize a black color by applying a voltage to each respective sub-pixel.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: August 30, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung-Ho Cheong, Oleg Prudnikov
  • Publication number: 20110170042
    Abstract: A reflective color filter may include a substrate, a photonic crystal layer including a plurality of photonic crystal patterns, and a light energy conversion device. The substrate may be between the light energy conversion device and the photonic crystal patterns. A reflective display device may include a liquid crystal layer having a light transmittance that is electrically controlled, a thin film transistor (TFT)-array layer including a plurality of TFTs for driving the liquid crystal layer according to image information, and a reflective color filter adapted to reflect light having a wavelength band corresponding to a photonic band gap from among light incident through the liquid crystal layer.
    Type: Application
    Filed: September 13, 2010
    Publication date: July 14, 2011
    Inventors: Eun-hyoung Cho, Oleg Prudnikov, Jin-seung Sohn, Hae-sung Kim
  • Publication number: 20110128721
    Abstract: A backlight unit includes a light source substrate on which a light source is mounted, a first light source plate which is disposed on the light source substrate and includes a cylindrical aperture corresponding to the light source, and a second light source plate which is disposed on the first light source plate and includes a partial transmission pattern on a bottom surface thereof. The partial transmission pattern corresponds to the aperture and allows part of light emitted from the light source to pass therethrough.
    Type: Application
    Filed: June 21, 2010
    Publication date: June 2, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-Ho CHEONG, Guk-Hyun KIM, Oleg PRUDNIKOV, Seung-Won PARK, Hyun-Jin CHO
  • Patent number: 7850357
    Abstract: Provided is an optical guide bar including: a light exit portion; light incident portions, on which light is incident, formed on both sides of the light exit portion; and a reflective portion facing the light exit portion and including a prism pattern that reflects light transmitted through the light incident portions towards the light exit portion. A shape of the reflective portion is determined in consideration of an effective light emission width of the light incident portion so that the intensity of light at any portion of the reflective portion is uniform.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: December 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-chan Kim, Moon-gyu Lee, Oleg Prudnikov, Kyu-min Choe
  • Patent number: 7826118
    Abstract: A composite scanning unit for reducing speckle noise and a laser projection system employing the composite scanning unit are provided. The composite scanning unit includes a plurality of mirror surfaces disposed along a rotation axis, wherein at least two of the plurality of mirror surfaces sequentially scan diffraction beams having different orders on the screen.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: November 2, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Oleg Prudnikov
  • Publication number: 20100214644
    Abstract: The present invention relates to an interference optical modulator and a display apparatus having the same. The display apparatus includes a metal thin film and a dielectric multiple thin film spaced apart from the metal thin film. The display apparatus may realize colors by changing an interval between the metal thin film and the dielectric multiple thin film, and may realize a black color by applying a voltage to each respective sub-pixel.
    Type: Application
    Filed: January 25, 2010
    Publication date: August 26, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byoung-Ho CHEONG, Oleg Prudnikov
  • Publication number: 20090284696
    Abstract: Provided are a photonic crystal type color filter and a reflective liquid crystal display (“LCD”) device having the same. The photonic crystal type color filter includes a substrate, and a photonic crystal disposed on the substrate and having a two-dimensional (2D) grating structure.
    Type: Application
    Filed: February 26, 2009
    Publication date: November 19, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-ho CHEONG, Oleg PRUDNIKOV
  • Publication number: 20090021948
    Abstract: Provided is an optical guide bar including: a light exit portion; light incident portions, on which light is incident, formed on both sides of the light exit portion; and a reflective portion facing the light exit portion and including a prism pattern that reflects light transmitted through the light incident portions towards the light exit portion. A shape of the reflective portion is determined in consideration of an effective light emission width of the light incident portion so that the intensity of light at any portion of the reflective portion is uniform.
    Type: Application
    Filed: December 4, 2007
    Publication date: January 22, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-chan KIM, Moon-gyu Lee, Oleg Prudnikov, Kyu-min Choe
  • Publication number: 20080137163
    Abstract: A composite scanning unit for reducing speckle noise and a laser projection system employing the composite scanning unit are provided. The composite scanning unit includes a plurality of mirror surfaces disposed along a rotation axis, wherein at least two of the plurality of mirror surfaces sequentially scan diffraction beams having different orders on the screen.
    Type: Application
    Filed: August 24, 2007
    Publication date: June 12, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Oleg PRUDNIKOV
  • Publication number: 20080129891
    Abstract: A diffuser having a shape for reducing speckle noise and a laser projection system including the diffuser are provided. The diffuser is employed by a laser projection system to reduce speckle noise, and includes a scattering pattern. The scattering pattern includes a plurality of scattering ribbons, and a curved surface of each of the plurality of scattering ribbons satisfies equations so that speckle noise is minimized for an aperture size of an optical system.
    Type: Application
    Filed: August 20, 2007
    Publication date: June 5, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Oleg Prudnikov