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).
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Publication number: 20130335538Abstract: 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: ApplicationFiled: March 2, 2012Publication date: December 19, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sergey Shestak, Dae-sik Kim, Kyung-hoon Cha
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Publication number: 20130314515Abstract: 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: ApplicationFiled: October 22, 2011Publication date: November 28, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sergey Shestak, Dae-sik Kim
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Patent number: 8587642Abstract: 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: GrantFiled: October 3, 2008Date of Patent: November 19, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Dae-sik Kim, Kyung-hoon Cha
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Patent number: 8553074Abstract: 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: GrantFiled: February 6, 2008Date of Patent: October 8, 2013Assignee: 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
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Patent number: 8488090Abstract: 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: GrantFiled: October 13, 2011Date of Patent: July 16, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Kyung-hoon Cha
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Publication number: 20130002665Abstract: 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: ApplicationFiled: September 12, 2012Publication date: January 3, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sergey SHESTAK, Dae-sik KIM, Sung-yong JUNG
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Patent number: 8319828Abstract: 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: GrantFiled: September 28, 2007Date of Patent: November 27, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-sik Kim, Sergey Shestak, Kyung-hoon Cha
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Patent number: 8284241Abstract: 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: GrantFiled: April 9, 2007Date of Patent: October 9, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Dae-sik Kim, Sung-yong Jung
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Patent number: 8274461Abstract: 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: GrantFiled: June 11, 2007Date of Patent: September 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-hyeun Ha, Sergey Shestak, Dae-sik Kim, Sung-yong Jung, Jae-phil Koo
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Patent number: 8194058Abstract: 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: GrantFiled: March 10, 2008Date of Patent: June 5, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Dae-sik Kim
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Publication number: 20120092590Abstract: 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: ApplicationFiled: October 13, 2011Publication date: April 19, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sergey SHESTAK, Kyung-hoon CHA
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Publication number: 20120032997Abstract: 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: ApplicationFiled: August 3, 2011Publication date: February 9, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-hoon CHA, Sergey SHESTAK, Ki-hyung KANG
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Patent number: 8054329Abstract: 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: GrantFiled: July 10, 2006Date of Patent: November 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Sung-yong Jung, Dae-sik Kim
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Patent number: 8049710Abstract: 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: GrantFiled: September 10, 2007Date of Patent: November 1, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Dae-sik Kim
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Patent number: 7944444Abstract: 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: GrantFiled: September 5, 2006Date of Patent: May 17, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-hyeun Ha, Sergey Shestak
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Publication number: 20110019152Abstract: 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: ApplicationFiled: July 23, 2010Publication date: January 27, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sergey SHESTAK, Dae-sik KIM, Kyung-hoon CHA, Jae-phil KOO
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Patent number: 7826136Abstract: 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: GrantFiled: July 5, 2007Date of Patent: November 2, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-phil Koo, Sergey Shestak, Dae-sik Kim
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Publication number: 20100188399Abstract: 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: ApplicationFiled: January 26, 2010Publication date: July 29, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Sergey SHESTAK, Dae-sik KIM, Kyung-hoon CHA, Sang-moo PARK
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Patent number: 7760430Abstract: 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: GrantFiled: May 8, 2006Date of Patent: July 20, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Dae-sik Kim
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Patent number: 7750981Abstract: A high-resolution autostereoscopic display is provided.Type: GrantFiled: August 4, 2006Date of Patent: July 6, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Sergey Shestak, Dae-sik Kim, Tae-hee Kim