Patents by Inventor Sergey Shestak

Sergey Shestak 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: 20130335538
    Abstract: A multi-viewpoint image display device is provided, which includes an image panel including a plurality of pixels configured to be arranged in a plurality of rows and columns, a backlight unit configured to provide light to the image panel, a parallax portion configured to be arranged in front of the image panel, and a mask portion configured to be arranged between the image panel and the backlight unit to partially mask the plurality of pixels. Accordingly, resolution balance can be matched without interference.
    Type: Application
    Filed: March 2, 2012
    Publication date: December 19, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sergey Shestak, Dae-sik Kim, Kyung-hoon Cha
  • Publication number: 20130314515
    Abstract: A stereoscopic display system, eyeglasses for viewing a stereoscopic image, and a display method thereof are provided. The display system includes: a display apparatus in which first and second pixel elements are alternately arranged, wherein the first pixel element emits a ray of a left eye image in a first polarization direction, and the second pixel element emits a ray of a right eye image in a second polarization direction; and eyeglasses which include left and right eye filters. The eyeglasses include: a polarizer which separates the rays of the left and right eye images from each other; a polarization switch which switches a polarization direction of a ray; a double refractor which shifts a visible position of a pixel according to a polarization state of the ray switched by the polarization switch; and a controller which operates with an operation of the display apparatus to control the polarization switch.
    Type: Application
    Filed: October 22, 2011
    Publication date: November 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sergey Shestak, Dae-sik Kim
  • Patent number: 8587642
    Abstract: An autostereoscopic display system is provided. The autostereoscopic display system includes: an image panel being divided into two or more display regions, each of which alternately displays an image for a left eye and an image for a right eye; an optical shutter which is spaced apart from the image panel, including three or more shutter segments capable of being switched between a transparent state and a non-transparent state, and guiding an image for a left eye and an image for a right eye which are displayed on the image panel to left and right eyes of a viewer, respectively; and a control unit which controls the optical shutter being synchronized with the image for a left eye and the image for a right eye which are displayed on the image panel.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: November 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim, Kyung-hoon Cha
  • Patent number: 8553074
    Abstract: Provided is an auto stereoscopic display improving brightness, including: a left eye pixel including a plurality of first color sub pixels and a first white sub pixel; a right eye pixel including a plurality of second color sub pixels and a second white sub pixel; and a viewing field separating unit which separates a viewing field of a left image formed by the left eye pixel and a viewing field of a right image formed by the right eye pixel.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: October 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-hoon Cha, Dae-sik Kim, Sergey Shestak, Seon-deok Hwang, Jae-seung Kim, Sang-moo Park, Jae-phil Koo
  • Patent number: 8488090
    Abstract: A backlight unit including a light source; and a liquid crystal panel. The liquid crystal panel includes a first substrate which guides light incident from the light source disposed at at least one side of the first substrate; a transparent electrode disposed on a surface of the first substrate; a second substrate; a reflective electrode disposed on a surface of the second substrate facing the transparent electrode; a liquid crystal layer disposed between the transparent electrode and the reflective electrodes; and a transparent film disposed between the transparent electrode and the reflective electrodes, the transparent film including a surface contacting the liquid crystal layer and patterned with grooves or ribs , and having a refractive index corresponding to at least one of an ordinary refractive index and an extraordinary refractive index of liquid crystals of the liquid crystal layer.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: July 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Kyung-hoon Cha
  • Publication number: 20130002665
    Abstract: An autostereoscopic display apparatus includes a backlight unit, a polarizing plate disposed in front of the backlight unit; a display panel displaying a left eye image and a right eye image by interlacing pixel lines of the left and right eye images alternately and sequentially; a lenticular lens sheet, disposed between the polarizing plate and the display panel, separating light emitted from the backlight unit into a left eye zone and a right eye zone; and a polarization switch controlling a polarization direction of light proceeding towards the left eye viewing zone so that light is incident on pixel lines of the display panel displaying the left eye image and a polarization direction of light proceeding towards the right eye viewing zone so that light is incident on pixel lines of the display panel displaying the right eye image, in synchronization with a vertical scanning time of the display panel.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 3, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sergey SHESTAK, Dae-sik KIM, Sung-yong JUNG
  • Patent number: 8319828
    Abstract: Provided is a highly efficient 2D-3D switchable display device. The image display device includes a display unit forming an image, and a switching visual field separation unit switching the image formed by the display unit into a 2D image or a 3D image, and comprising a lens array for separating a visual field and a liquid crystal lens controlled so as to have a refractive power offsetting or reinforcing a refractive power of the lens array.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: November 27, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-sik Kim, Sergey Shestak, Kyung-hoon Cha
  • Patent number: 8284241
    Abstract: An autostereoscopic display apparatus includes a backlight unit, a polarizing plate disposed in front of the backlight unit; a display panel displaying a left eye image and a right eye image by interlacing pixel lines of the left and right eye images alternately and sequentially; a lenticular lens sheet, disposed between the polarizing plate and the display panel, separating light emitted from the backlight unit into a left eye zone and a right eye zone; and a polarization switch controlling a polarization direction of light proceeding towards the left eye viewing zone so that light is incident on pixel lines of the display panel displaying the left eye image and a polarization direction of light proceeding towards the right eye viewing zone so that light is incident on pixel lines of the display panel displaying the right eye image, in synchronization with a vertical scanning time of the display panel.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: October 9, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim, Sung-yong Jung
  • Patent number: 8274461
    Abstract: An apparatus and method for driving a liquid crystal display to improve the quality of moving pictures are provided. The apparatus includes a transition check unit that determines whether an input image signal between a first frame and a second frame has changed and whether an input image signal between the second frame and a third frame has changed; an overdrive control unit that overdrives the input image signal in the second frame in an overdrive direction if the transition check unit determines that the input image signal between the first and second frames has changed, wherein the overdrive direction is one of an upper direction and lower direction; and an overdrive compensation unit that changes the input image signal in the third frame in an opposite direction to the overdrive direction if the transition check unit determines that the input image signal between the second and third frames has not changed.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: September 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-hyeun Ha, Sergey Shestak, Dae-sik Kim, Sung-yong Jung, Jae-phil Koo
  • Patent number: 8194058
    Abstract: A method of driving a polarization switch is provided. First viewing point images and second viewing point images are alternately displayed in a time-divisional method. A voltage is applied to the polarization switch during an activation period, and no voltage or a bias voltage is applied to the polarization switch during a relaxation period. The activation period is shorter than the relaxation period, and the bias voltage is smaller than the applied voltage.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: June 5, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim
  • Publication number: 20120092590
    Abstract: A backlight unit including a light source; and a liquid crystal panel. The liquid crystal panel includes a first substrate which guides light incident from the light source disposed at at least one side of the first substrate; a transparent electrode disposed on a surface of the first substrate; a second substrate; a reflective electrode disposed on a surface of the second substrate facing the transparent electrode; a liquid crystal layer disposed between the transparent electrode and the reflective electrodes; and a transparent film disposed between the transparent electrode and the reflective electrodes, the transparent film including a surface contacting the liquid crystal layer and patterned with grooves or ribs , and having a refractive index corresponding to at least one of an ordinary refractive index and an extraordinary refractive index of liquid crystals of the liquid crystal layer.
    Type: Application
    Filed: October 13, 2011
    Publication date: April 19, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sergey SHESTAK, Kyung-hoon CHA
  • Publication number: 20120032997
    Abstract: A backlight unit and a two-dimensional (2D) and three-dimensional (3D) image display system including the same. The backlight unit includes a first light guide plate and a second light guide plate, wherein the first light guide plate includes a plurality of first diffusion units that are aligned to be spaced apart from each other, and the second light guide plate includes a plurality of second diffusion units that are aligned alternately with the first diffusion units. Thus, an emission direction of light is controlled, so that a 3D image may be displayed in a plurality of viewing zones.
    Type: Application
    Filed: August 3, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-hoon CHA, Sergey SHESTAK, Ki-hyung KANG
  • Patent number: 8054329
    Abstract: A high resolution 2D-3D switchable autostereoscopic display apparatus includes: a backlight unit emitting light; a polarizer sheet changing the light emitted from the backlight unit so that the light has only a specific polarization direction; a polarization switch converting the direction of the polarization of incident light; a birefringent element array comprising a plurality of alternating first and second birefringent elements and changing the polarization direction of incident light so that the polarization of light transmitted by the first birefringent elements is perpendicular to the polarization of light transmitted by the second birefringent elements; a lenticular lens sheet separating and emitting incident light to a first eye viewing zone and a second eye viewing zone; and a display panel displaying an image.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: November 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Sung-yong Jung, Dae-sik Kim
  • Patent number: 8049710
    Abstract: A multi-view autostereoscopic display apparatus with improved resolution, includes: a display panel alternately displaying a plurality of images of different view points; an image separating device for separating the plurality of images such that the separated images can be alternately observed in different viewing zones; and a directional backlight unit switched between a plurality of different angular distributions of illumination to selectively provide light to the display panel, wherein the directional backlight unit is switched between the plurality of different angular distributions of illumination in synchronization with an image display period of the display panel.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim
  • Patent number: 7944444
    Abstract: A three-dimensional (3D) image processing apparatus and method are provided for use with a 3D image divided into a left-eye image and a right-eye image. The apparatus includes a disparity estimation unit estimating disparities between the left-eye image and the right-eye image; a horizontal movement determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the estimated disparities; and a horizontal movement unit horizontally moving the left-eye image and the right-eye image based on the determined horizontal movement value. In the method and apparatus, a receiving end which receives and displays a 3D image can enhance 3D effects and reduce eye fatigue by adjusting the disparity of the 3D image.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: May 17, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-hyeun Ha, Sergey Shestak
  • Publication number: 20110019152
    Abstract: A stereoscopic image projection system including: a beam projector for projecting a left eye image and a right eye image in a side by side format; a stereoscopic image adaptor for alternately projecting the left eye image and the right eye image onto a screen in a time sequence; and a shutter controller for synchronizing a time sequential operation of the stereoscopic image adaptor and opening and closing of right and left shutters of a user shutter glasses.
    Type: Application
    Filed: July 23, 2010
    Publication date: January 27, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sergey SHESTAK, Dae-sik KIM, Kyung-hoon CHA, Jae-phil KOO
  • Patent number: 7826136
    Abstract: A high resolution 2D/3D switchable display apparatus includes a display panel having display elements arranged in pixel units and configured to display an image. A lenticular lens array includes a plurality of lenticular lenses arranged in a horizontal direction and dividing light corresponding to a signal emitted from the display panel to visual regions of left and right eyes. A spatial optical modulator includes a plurality of cells configured to switch on or off in synchronization with a vertical scanning time of the display panel, wherein each of the plurality of cells is changed to a transparent or opaque state. The display panel sequentially displays an even field including even sequence data of a left eye image and a right eye image and an odd field including odd sequence data of the left eye image and the right eye image.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: November 2, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-phil Koo, Sergey Shestak, Dae-sik Kim
  • Publication number: 20100188399
    Abstract: Provided is a method and apparatus for displaying a 3-dimensional (3D) image. The method includes alternately displaying left and right eye images on a display having a plurality of image lines that are arranged sequentially. Since light emission of all of segments is stopped when the left and right eye images are partially simultaneously displayed, both the left and right eye images can be prevented from being seen at the same time.
    Type: Application
    Filed: January 26, 2010
    Publication date: July 29, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sergey SHESTAK, Dae-sik KIM, Kyung-hoon CHA, Sang-moo PARK
  • Patent number: 7760430
    Abstract: A two-dimensional/three-dimensional (2D/3D) switchable autostereoscopic display apparatus is provided, including a display panel and a lenticular unit with a two-dimensional mode and a three-dimensional mode. In the two-dimensional mode, the lenticular unit transmits a single image, and in the three-dimensional mode, the lenticular unit separates an image from the display panel into a right-eye image and a left-eye image. The lenticular unit includes first and second lenticular lens sheets, a half-wave plate interposed between the first and second lenticular lens sheets, which rotates a polarization of incident light by 90 degrees, and first and second electro-optical mediums disposed between the first lenticular lens sheet and the half-wave plate and between the second lenticular lens sheet and the half-wave plate, respectively.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: July 20, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim
  • Patent number: 7750981
    Abstract: A high-resolution autostereoscopic display is provided.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: July 6, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sergey Shestak, Dae-sik Kim, Tae-hee Kim