Patents by Inventor Seon-deok Hwang
Seon-deok Hwang 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: 20150296204Abstract: A multi view image display device is provided, which includes a depth estimator configured to estimate depth of an input image, a renderer configured to perform rendering of multi view image based on the estimated depth, a display configured to display the rendered multi view image, and a controller configured to control the rendering of the multi view image by controlling the number of rendering viewpoints according to a depth value of at least one object region included in the input image.Type: ApplicationFiled: April 1, 2015Publication date: October 15, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-yeol KIM, Seon-deok HWANG, Ho-young LEE
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Publication number: 20150043198Abstract: A display apparatus is provided. The display apparatus includes a display panel; a backlight configured to irradiate visible ray to the display panel in a 2D mode, and configured to irradiate ultraviolet ray to the display panel in a 3D mode; and a 3D film disposed between the display panel and backlight, wherein the 3D film comprises: a pattern formed by a plurality of lines distanced from one another by a predetermined distance; and a coating layer that is formed on one side of the plurality of lines pattern and transmits or reflects light patterned by the plurality of lines pattern, per line. Accordingly, it is possible to prevent deterioration of resolution of a screen image, provide a simple structure and enable a change to and from a 2D mode and a 3D mode.Type: ApplicationFiled: April 3, 2014Publication date: February 12, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seon-deok HWANG, Farid MUKHTAROV
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Publication number: 20140368624Abstract: A display apparatus includes a display panel configured to display an image frame that includes a right-eye image and a left-eye image, and a touch panel configured to sense a user touch, wherein the touch panel includes a polarizing switch panel configured to switch a direction of polarization of light emitted from the display panel, and a parallax realization layer which is formed on one side of the polarizing switch panel and is configured to provide a binocular disparity image by using light emitted from the polarizing switch panel.Type: ApplicationFiled: June 17, 2014Publication date: December 18, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: In-hak NA, Ki-hyung KANG, Soo-bae MOON, Jung-hoon YOON, Hyun-seung CHO, Seon-deok HWANG
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Patent number: 8872904Abstract: A display apparatus is provided. The display apparatus includes: a display panel configured to include a plurality of pixels including a plurality of sub pixels and display an image frame; a visual field divider configured to be disposed on a front surface of the display panel; and a controller configured to render and display a first image frame to display a first view image in at least some of the plurality of sub pixels and a second image frame so that a second view image is shifted and displayed based on a position in which the first view image is displayed in the at least some of the sub pixels based on a distance between the display panel and the visual field divider.Type: GrantFiled: February 19, 2014Date of Patent: October 28, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-choon Hwang, Farid Mukhtarov, Seon-deok Hwang
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Patent number: 8816996Abstract: Provide is a method of driving a barrier panel device. Segment driving voltages are controlled to be applied to a plurality of segments of a first electrode of a barrier panel based on a display direction of an image signal displayed on an image display panel of an apparatus for reproducing a 3D image. An odd barrier driving voltage is controlled to be commonly applied to odd numbered barriers of a plurality of barriers of a second electrode of the barrier panel. An even barrier driving voltage is controlled to be commonly applied to even numbered barriers of the plurality of barriers. The segment driving voltage, the odd barrier driving voltages, and the even barrier driving voltages are synchronized.Type: GrantFiled: June 24, 2009Date of Patent: August 26, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-moo Park, Serguei Chestak, Dae-sik Kim, Kyung-hoon Cha, Seon-deok Hwang
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Publication number: 20140049541Abstract: Provided are a method and apparatus for displaying a two-dimensional (2D)/three-dimensional (3D) image, and apparatus to execute the same, the method including determining whether an input image sequence having a first frame rate is a 2D image sequence or a 3D image sequence, wherein, if the input image sequence is a 2D image sequence, generating a 2D output image sequence having a second frame rate, the 2D output image sequence including the input image sequence and a 2D intermediate image generated from the input image sequence, and wherein, if the input image sequence is a 3D image sequence, generating a 3D output image sequence having a third frame rate, where a left-viewpoint intermediate image, a right-viewpoint intermediate image and the input image sequence are repeatedly included in the 3D output image sequence, the left-viewpoint intermediate image is determined from at least one left-viewpoint image in a left-viewpoint image sequence included in the input image sequence, and the right-viewpoint intType: ApplicationFiled: October 24, 2013Publication date: February 20, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-moo PARK, Yong-tae KIM, Seon-deok HWANG, Dae-sik KIM
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Patent number: 8570362Abstract: Provided are a method and apparatus for displaying a two-dimensional (2D)/three-dimensional (3D) image, and apparatus to execute the same, the method including determining whether an input image sequence having a first frame rate is a 2D image sequence or a 3D image sequence, wherein, if the input image sequence is a 2D image sequence, generating a 2D output image sequence having a second frame rate, the 2D output image sequence including the input image sequence and a 2D intermediate image generated from the input image sequence, and wherein, if the input image sequence is a 3D image sequence, generating a 3D output image sequence having a third frame rate, where a left-viewpoint intermediate image, a right-viewpoint intermediate image and the input image sequence are repeatedly included in the 3D output image sequence, the left-viewpoint intermediate image is determined from at least one left-viewpoint image in a left-viewpoint image sequence included in the input image sequence, and the right-viewpoint intType: GrantFiled: August 14, 2009Date of Patent: October 29, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-moo Park, Yong-tae Kim, Seon-deok Hwang, Dae-sik Kim
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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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Publication number: 20120307007Abstract: A method and apparatus for using header information of stereoscopic image data is provided. The method includes using three-dimensional reproduction period information related to three-dimensionally reproduced stereoscopic image data of image data recorded in a payload region of the stereoscopic image bitstream, in a header region of the stereoscopic image bitstream; recording camera information related to cameras used for obtaining a stereoscopic image, in the header region; recording parallax information between base and additional images of the stereoscopic image in the header region; and recording the image data in the payload region of the stereoscopic image bitstream.Type: ApplicationFiled: August 16, 2012Publication date: December 6, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Yong-tae KIM, Jae-seung KIM, Seon-deok HWANG
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Patent number: 8274551Abstract: A method and apparatus for using header information of stereoscopic image data is provided. The method includes using three-dimensional reproduction period information related to three-dimensionally reproduced stereoscopic image data of image data recorded in a payload region of the stereoscopic image bitstream, in a header region of the stereoscopic image bitstream; recording camera information related to cameras used for obtaining a stereoscopic image, in the header region; recording parallax information between base and additional images of the stereoscopic image in the header region; and recording the image data in the payload region of the stereoscopic image bitstream.Type: GrantFiled: June 10, 2008Date of Patent: September 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-tae Kim, Jae-seung Kim, Seon-deok Hwang
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Patent number: 8218096Abstract: Provided are a 2D (2-dimensional)/3D (3-dimensional) display apparatus using a scanning backlight and a method of controlling the same. The apparatus sequentially includes a backlight which is capable of scanning and irradiating polarized light, a retarder which transmits light emitted from the backlight as phase-maintained light and phase-delayed light, a lenticular array which transmits light from the retarder as directional light, and a display panel which displays an inputted image and which is illuminated by light being transmitted through the lenticular array. The backlight includes a plurality of light guide plates which are independently disposed and arranged in parallel with one another, a plurality of light sources which are provided for the respective light guide plates and emit light, and a plurality of polarization filters which are arranged in front of the respective light guide plates.Type: GrantFiled: January 3, 2008Date of Patent: July 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-hoon Cha, Sergey Chestak, Dae-sik Kim, Jae-phil Koo, Seon-deok Hwang
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Patent number: 8045792Abstract: A method and an apparatus for controlling a dynamic depth of stereo-view or multi-view images. The method includes receiving stereo-view or multi-view images, generating a disparity histogram by estimating the disparity of two images corresponding to the received images and measuring the frequency of the estimated disparity, determining the disparity control amount of the stereo-view or multi-view images by convoluting the generated disparity histogram and a characteristic function, and rearranging stereo-view or multi-view input images by controlling parallax according to the control amount of parity.Type: GrantFiled: October 5, 2007Date of Patent: October 25, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-phil Koo, Seon-deok Hwang
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Patent number: 7821711Abstract: Provided is a 2D-3D switching display system that includes a backlight, a liquid crystal panel which forms a 3D image using light generated by the backlight, a viewing zone separation unit which separates an image formed by the liquid crystal panel into a left eye image and a right eye image, and a display panel which transmits light passing through the viewing zone separation unit.Type: GrantFiled: November 14, 2007Date of Patent: October 26, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-sik Kim, Sergey Chestak, Kyung-hoon Cha, Jae-phil Koo, Seon-deok Hwang
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Publication number: 20100157024Abstract: Provided are a method and apparatus for displaying a two-dimensional (2D)/three-dimensional (3D) image, and apparatus to execute the same, the method including determining whether an input image sequence having a first frame rate is a 2D image sequence or a 3D image sequence, wherein, if the input image sequence is a 2D image sequence, generating a 2D output image sequence having a second frame rate, the 2D output image sequence including the input image sequence and a 2D intermediate image generated from the input image sequence, and wherein, if the input image sequence is a 3D image sequence, generating a 3D output image sequence having a third frame rate, where a left-viewpoint intermediate image, a right-viewpoint intermediate image and the input image sequence are repeatedly included in the 3D output image sequence, the left-viewpoint intermediate image is determined from at least one left-viewpoint image in a left-viewpoint image sequence included in the input image sequence, and the right-viewpoint intType: ApplicationFiled: August 14, 2009Publication date: June 24, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Sang-moo PARK, Yong-tae KIM, Seon-deok HWANG, Dae-sik KIM
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Publication number: 20100039573Abstract: Provided is a method of driving a barrier panel device. Segment driving voltages are controlled to be applied to a plurality of segments of a first electrode of a barrier panel based on a display direction of an image signal displayed on an image display panel of an apparatus for reproducing a 3D image. An odd barrier driving voltage is controlled to be commonly applied to odd numbered barriers of a plurality of barriers of a second electrode of the barrier panel. An even barrier driving voltage is controlled to be commonly applied to even numbered barriers of the plurality of barriers. The segment driving voltage, the odd barrier driving voltages, and the even barrier driving voltages are synchronized.Type: ApplicationFiled: June 24, 2009Publication date: February 18, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-moo PARK, Serguei CHESTAK, Dae-sik KIM, Kyung-hoon CHA, Seon-deok HWANG
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Patent number: 7567307Abstract: A 2D/3D switchable display device includes a light source unit; a polarization switching unit for switching light from the light source unit to one of first polarized light and second polarized light, which is perpendicular to the first polarized light; a parallax barrier including slits and barriers that are alternately arranged, wherein the slits transmit incident light and the barriers transmit one of the first and second polarized light and reflect the other of the first and second polarized light; and a display panel for modulating light transmitted through the parallax barrier in response to an image signal to create an image. The 2D/3D switchable display device controls an electric signal applied to the polarization switching unit so that a 2D image and a 3D image are switched to each other.Type: GrantFiled: July 20, 2007Date of Patent: July 28, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-sik Kim, Sergey Chestak, Kyung-hoon Cha, Jae-phil Koo, Seon-deok Hwang
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Patent number: 7522340Abstract: An image display apparatus includes a backlight unit where a reflection panel is installed at a bottom thereof, a polarization panel which transmits only light of a particular polarization direction of light emitted from the backlight unit, a polarization switch which changes the polarization direction of incident light, a birefringent element array which is formed by alternately arranging a plurality of first and second birefringent elements and changes the polarization direction of incident light to make the polarization directions of light passing through the first and second birefringent elements perpendicular to each other, a reflective polarizer panel which transmits only light of a particular polarization direction of the light passing through the birefringent element array and reflects light of the other polarization direction, a lens array which separates incident light into a first view zone and a second view zone, and a display panel which displays an image.Type: GrantFiled: October 22, 2007Date of Patent: April 21, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-sik Kim, Serguei Chestak, Kyung-hoon Cha, Jae-phil Koo, Seon-deok Hwang
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Publication number: 20090046142Abstract: 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: ApplicationFiled: February 6, 2008Publication date: February 19, 2009Applicant: 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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Publication number: 20080303893Abstract: A method and apparatus for using header information of stereoscopic image data is provided. The method includes using three-dimensional reproduction period information related to three-dimensionally reproduced stereoscopic image data of image data recorded in a payload region of the stereoscopic image bitstream, in a header region of the stereoscopic image bitstream; recording camera information related to cameras used for obtaining a stereoscopic image, in the header region; recording parallax information between base and additional images of the stereoscopic image in the header region; and recording the image data in the payload region of the stereoscopic image bitstream.Type: ApplicationFiled: June 10, 2008Publication date: December 11, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Yong-tae KIM, Jae-seung Kim, Seon-deok Hwang
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2D/3D DISPLAY APPARATUS WITH FULL RESOLUTION USING SCANNING BACKLIGHT AND METHOD OF CONTROLLING SAME
Publication number: 20080297671Abstract: Provided are a 2D (2-dimensional)/3D (3-dimensional) display apparatus using a scanning backlight and a method of controlling the same. The apparatus sequentially includes a backlight which is capable of scanning and irradiating polarized light, a retarder which transmits light emitted from the backlight as phase-maintained light and phase-delayed light, a lenticular array which transmits light from the retarder as directional light, and a display panel which displays an inputted image and which is illuminated by light being transmitted through the lenticular array. The backlight includes a plurality of light guide plates which are independently disposed and arranged in parallel with one another, a plurality of light sources which are provided for the respective light guide plates and emit light, and a plurality of polarization filters which are arranged in front of the respective light guide plates.Type: ApplicationFiled: January 3, 2008Publication date: December 4, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Kyung-hoon Cha, Sergey Chestak, Dae-sik Kim, Jae-phil Koo, Seon-deok Hwang