Patents by Inventor Hyoung-Wook Jang
Hyoung-Wook Jang 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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Patent number: 8284335Abstract: An electronic display device includes a display unit adapted to display an image, and a barrier unit overlapping the display unit, the barrier unit including a liquid crystal layer between first and second substrates, the first and second substrates facing each other, a common electrode between the liquid crystal layer and the first substrate, a transparent insulation layer between the liquid crystal layer and the second substrate, the transparent insulation layer having an inner surface facing the liquid crystal layer and an outer surface facing the second substrate, a plurality of first electrodes along a first direction between the outer surface of the transparent insulation layer and the second substrate, the first electrodes being spaced apart from each other along a second direction, and a plurality of second electrodes along the first direction between the inner surface of the transparent insulation layer and the first substrate.Type: GrantFiled: March 6, 2009Date of Patent: October 9, 2012Assignee: Samsung Display Co., Ltd.Inventors: Beom-Shik Kim, Ja-Seung Ku, Hui Nam, Chan-Young Park, Hyoung-Wook Jang
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Patent number: 8279221Abstract: A stereoscopic image display device displays a stereoscopic image by generating stereoscopic image data based on 3D graphics data. The stereoscopic image display device includes a display unit for displaying an image, a driver, and a controller. The controller receives a synchronization signal, the 3D graphics data, and a user selection parameter for modifying a stereoscopic effect level, and outputs a control signal based on the synchronization signal and a stereoscopic image data signal, which is generated by combining left eye image data and right eye image data generated through performing matrix operations on the 3D graphics data and the user selection parameter, to the driver. The driver drives the display unit based on the control signal and the stereoscopic image data signal to display the stereoscopic image on the display unit.Type: GrantFiled: August 4, 2006Date of Patent: October 2, 2012Assignee: Samsung Display Co., Ltd.Inventors: Myoung-Seop Song, Jang-Doo Lee, Hyoung-Wook Jang, Hui Nam, Beom-Shik Kim
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Patent number: 8264626Abstract: A stereoscopic image display device includes a display panel configured to display an image, a barrier placed over the display panel and configured to include a plurality of liquid crystal cells each of which is selectively driven to become a transparent cell or an opaque cell, a polarizing plate placed between the display panel and the barrier, and a phase retarder placed between the internal polarizing plate and the display panel.Type: GrantFiled: March 15, 2010Date of Patent: September 11, 2012Assignee: Samsung Display Co., Ltd.Inventors: Hui Nam, Beom-Shik Kim, Chan-Young Park, Ja-Seung Ku, Hyoung-Wook Jang
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Publication number: 20120182254Abstract: A touch screen system according to an exemplary embodiment of the present invention includes: a touch screen panel including a plurality of driving electrodes coupled to a plurality of driving lines that extend in a first direction and a plurality of sensing electrodes coupled to a plurality of sensing lines that extend in a second direction crossing the first direction, the driving electrodes and the sensing electrodes being alternately arranged so as not to overlap with each other; and an active stylus separated from the touch screen panel, the active stylus configured to output an electric field in synchronization with driving signals that are applied to the driving lines coupled to the driving electrodes that are adjacent to the active stylus, wherein the driving electrodes and the sensing electrodes have different areas.Type: ApplicationFiled: July 19, 2011Publication date: July 19, 2012Inventors: Hyoung-Wook Jang, Ja-Seung Ku, Soon-Sung Ahn, Jung Yun Kim, Choon-Hyop Lee
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Patent number: 8207961Abstract: A stereoscopic image display device for displaying a three dimensional (3D) stereoscopic image in real-time by using a 3D graphic contained within a 2D image. The stereoscopic image display device includes a controller, a 3D graphic processor, a driver, and a display unit. The controller receives 3D graphic data and a synchronization signal, and outputs a control signal and the 3D graphic data. The 3D graphic processor generates a plurality of stereoscopic matrices used to generate 3D stereoscopic image data for a plurality of viewing points according to the control signal, and transforms the 3D graphic data into 3D stereoscopic image data using the plurality of stereoscopic matrices. The driver generates a driving signal based on the image data output from the 3D graphic processor and the output control signal. The display unit displays an image corresponding to the image data according to the driving signal.Type: GrantFiled: July 3, 2006Date of Patent: June 26, 2012Assignees: Samsung Mobile Display Co., Ltd., Nexuschips Co., Ltd.Inventors: Myoung-Seop Song, Jang-Doo Lee, Hyoung-Wook Jang, Hag-Keun Kim, Duck-Myung Lee, Han-Jun Choi, Hyun-Sook Kim, Woo-Jong Lee
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Patent number: 8174564Abstract: A three-dimensional display device includes an image display portion displaying a left eye image and a right eye image; and a parallax barrier facing the image display portion and directing the left eye image and the right eye image displayed by the image display portion towards a left eye and a right eye of a user, respectively. The parallax barrier may be formed with a liquid crystal display of a normally black mode of transmission.Type: GrantFiled: November 27, 2006Date of Patent: May 8, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Beom-Shik Kim, Jang-Doo Lee, Hyoung-Wook Jang, Hui Nam, Myoung-Seop Song, Ja-Seung Ku, Hyo-Jin Lee
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Patent number: 8154543Abstract: A stereoscopic image display device includes a display panel including a plurality of left eye pixels and a plurality of right eye pixels, a memory including a left eye image section for storing data corresponding to the left eye pixels and a right eye image section for storing data corresponding to the right eye pixels, a geometric engine for converting an input 3D image data into left eye 3D image data corresponding to the left eye pixels or right eye 3D image data corresponding to the right eye pixels, and a rendering engine for calculating a coordinate value and a color information value to be stored in the left eye section or the right eye section by using coordinate and color information of the left eye 3D image data or the right eye 3D image data, and for storing the color information value in the memory based on the coordinate value.Type: GrantFiled: July 3, 2006Date of Patent: April 10, 2012Assignees: Samsung Mobile Display Co., Ltd., Nexuschips Co., Ltd.Inventors: Myoung-Seop Song, Jang-Doo Lee, Hyoung-Wook Jang, Woo-Jong Lee, Hyun-Sook Kim, Hag-Keun Kim, Duck-Myung Lee, Han-Jun Choi
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Patent number: 8125581Abstract: An electronic display device includes a display unit including a plurality of scan lines along a first direction, a plurality of data lines along a second direction, and a plurality of pixels at intersection regions of the scan and data lines, and a barrier unit including a plurality of barrier regions extending along a direction of the data lines, the barrier unit including a plurality of first electrodes in each of the barrier regions, the first electrodes extending on a substrate along the first direction and being spaced apart from each other along the second direction, a plurality of second electrodes on the substrate at a different height than the first electrodes as determined with respect to the substrate, the first electrodes partly overlapping the second electrodes in a direction perpendicular to the substrate, and a dielectric layer on the substrate between the first and second electrodes.Type: GrantFiled: March 6, 2009Date of Patent: February 28, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Beom-Shik Kim, Hui Nam, Chan-Young Park, Ja-Seung Ku, Hyoung-Wook Jang
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Patent number: 8115805Abstract: A stereoscopic image display that displays a stereoscopic image using a barrier operated by a time division method. A display panel time-divides first and second images having parallax therebetween and sequentially displays the first and second images. A barrier is located in front of the display panel and includes first and second image transmission regions transmitting the first and second images. A barrier driver controls opening and shutting of the first and second image transmission regions in synchronization with first and second video signals input thereto. The barrier driver extracts all video signals displayed on one picture from the input video signals as unit video signals and generates a reference signal for the barrier operation based on the unit video signals.Type: GrantFiled: February 24, 2005Date of Patent: February 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hyoung-Wook Jang, Jang-Doo Lee, Hui Nam, Beom-Shik Kim, Myoung-Seop Song
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Patent number: 8111906Abstract: A stereoscopic image display device is provided. The stereoscopic image display device includes a display unit including a plurality of pixels arranged in a matrix, the respective pixels including right/left-eye pixels arranged in a row direction, an area detector for detecting first data respectively corresponding to at least a part of the pixels from a plurality of input data, a data converter for converting the first data to the right/left-eye data corresponding to the right/left-eye pixels, a data combiner for combining stereoscopic image data by arranging the right/left-eye data, and a data driver for applying a data signal corresponding to the stereoscopic image data to the display unit.Type: GrantFiled: June 29, 2006Date of Patent: February 7, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Myoung-Seop Song, Jang-Doo Lee, Hyoung-Wook Jang, Woo-Jong Lee, Hyun-Sook Kim
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Patent number: 8059063Abstract: A 3D image display device includes a display panel, a barrier, a controller, and a barrier driver. The barrier includes: a first substrate; a plurality of first electrodes disposed on the first substrate and extended in a first direction; a plurality of second electrodes respectively disposed between adjacent first electrodes; a second substrate opposing the first substrate; a plurality of third electrodes disposed on the second substrate and extended in a second direction crossing the first direction; a plurality of fourth electrodes respectively disposed between adjacent third electrodes; and a liquid crystal layer disposed between the first and second substrates. The barrier driver receives a barrier control signal from the controller, and applies a reference voltage to the first electrodes, the second electrodes, the third electrodes, and/or the fourth electrodes, and applies a liquid crystal driving voltage to one or more other ones of the first to fourth electrodes.Type: GrantFiled: February 15, 2006Date of Patent: November 15, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hui Nam, Jang-Doo Lee, Hyoung-Wook Jang, Beom-Shik Kim, Myoung-Seop Song
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Patent number: 8059118Abstract: A stereoscopic image display device for displaying a three dimensional (3D) stereoscopic image in real-time by using a 3D graphic contained within a 2D image. The stereoscopic image display device includes a controller, a 3D graphic processor, a driver, and a display unit. The controller receives 3D graphic data and a synchronization signal, and outputs a control signal and the 3D graphic data. The 3D graphic processor generates a plurality of stereoscopic matrices used to generate 3D stereoscopic image data for a plurality of viewing points according to the control signal, and transforms the 3D graphic data into 3D stereoscopic image data using the plurality of stereoscopic matrices. The driver generates a driving signal based on the image data output from the 3D graphic processor and the output control signal. The display unit displays an image corresponding to the image data according to the driving signal.Type: GrantFiled: July 3, 2006Date of Patent: November 15, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Myoung-Seop Song, Jang-Doo Lee, Hyoung-Wook Jang, Hag-Keun Kim, Duck-Myung Lee, Han-Jun Choi, Hyun-Sook Kim, Woo-Jong Lee
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Patent number: 8044881Abstract: A system and method for driving a stereoscopic image display device includes, during a first period wherein no image is displayed, writing a first data signal corresponding to a first image on a first display cell and writing a second data signal corresponding to a second image on the second display cell. During a second period, the first image and the second image are displayed by driving the barrier to become a first format. During a third period in which no image is displayed, the second data signal is written on the first display cell and the first data signal is written on the second display cell. During a fourth period, the first and second images are displayed by driving the barrier to become a second format. The barrier intercepts and transmits light at different angles in the first format than in the second format.Type: GrantFiled: October 13, 2006Date of Patent: October 25, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hui Nam, Jang-Doo Lee, Hyoung-Wook Jang, Beom-Shik Kim, Myoung-Seop Song
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Patent number: 8040371Abstract: A three-dimensional display device according to the present invention includes a panel that time-shares images and displays left and right eye images, a panel control unit for controlling the panel by applying a display control signal that includes vertical and horizontal signals to the panel, a barrier facing the panel and separating the images of the panel into user left and right eye images, and a barrier control unit for controlling the barrier. The panel can be converted between a first mode of a portrait-type view and a second mode of a landscape-type view, and the barrier may be operated corresponding to the mode conversion of the panel.Type: GrantFiled: October 20, 2006Date of Patent: October 18, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Beom-Shik Kim, Jang-Doo Lee, Hyoung-Wook Jang, Hui Nam, Myoung-Seop Song
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Patent number: 8018482Abstract: A three-dimensional display device includes an image display unit and a light control unit facing the image display unit. The light control unit includes first and second substrates facing each other, a 2-viewpoint electrode layer and a multi-viewpoint electrode layer located between the first and second substrates, and a liquid crystal layer located between the first and second substrates.Type: GrantFiled: August 15, 2006Date of Patent: September 13, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Beom-Shik Kim, Jang-Doo Lee, Hyoung-Wook Jang, Hui Nam, Myoung-Seop Song
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Patent number: 7916222Abstract: The stereoscopic display device includes a display unit including a first pixel group for displaying a first image and a second pixel group for displaying the second image, a barrier having transparent regions and opaque regions such that the first image and the second image are observed through the transparent regions at different points and a light source for supplying light to the display unit. The light source has the different brightness between the first mode and the second mode.Type: GrantFiled: June 29, 2005Date of Patent: March 29, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hyoung-Wook Jang, Jang-Doo Lee, Hui Nam, Beom-Shik Kim, Myoung-Seop Song
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Publication number: 20110043713Abstract: A stereoscopic image display device includes a display panel configured to display an image, a barrier placed over the display panel and configured to include a plurality of liquid crystal cells each of which is selectively driven to become a transparent cell or an opaque cell, a polarizing plate placed between the display panel and the barrier, and a phase retarder placed between the internal polarizing plate and the display panel.Type: ApplicationFiled: March 15, 2010Publication date: February 24, 2011Inventors: Hui Nam, Beom-Shik Kim, Chan-Young Park, Ja-Seung Ku, Hyoung-Wook Jang
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Publication number: 20100271346Abstract: An electronic imaging device includes a display unit having a plurality of scan lines, a plurality of data lines, and a plurality of pixels, and a barrier layer disposed in front of the display unit and divided into a plurality of areas along a scan direction. The barrier layer includes a plurality of first barrier electrodes and a plurality of second barrier electrode. The plurality of first barrier electrodes includes a plurality of first and second sub-electrodes in a zigzag pattern along the scan direction, the plurality of second barrier electrodes includes a plurality of third and fourth sub-electrodes in a zigzag pattern along the scan direction, and the third and fourth sub-electrodes being offset with respect to the first and second sub-electrodes along the scan direction.Type: ApplicationFiled: January 22, 2010Publication date: October 28, 2010Inventors: Ja-Seung Ku, Beom-Shik Kim, Hui Nam, Chan-Young Park, Hyoung-Wook Jang
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Patent number: 7733296Abstract: A three-dimensional display device includes an image display portion for time-sharing a left eye image and a right eye image, and a parallax barrier for separating the left and right eye images provided from the image display portion into a direction of a left eye and a right eye of a user, respectively, by using a first and a second electrode set. A method includes applying a first driving voltage to the first electrode set during a first period, and applying a second driving voltage to the second electrode set during a second period. The second driving voltage has a level different from that of the first driving voltage.Type: GrantFiled: November 28, 2006Date of Patent: June 8, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hyo-Jin Lee, Jang-Doo Lee, Ja-Seung Ku, Hui Nam, Hyoung-Wook Jang, Beom-Shik Kim, Myoung-Seop Song
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Patent number: 7679692Abstract: A stereoscopic image display device including a light source and a light controller for selectively transmitting or blocking light provided by the light source. The light controller includes a first substrate, and first and second electrodes alternatively formed on the first substrate along a first direction. The first and second electrodes are spaced apart from each other at a predetermined interval. The first and second electrodes are electrically connected, respectively, to first and second connection electrodes. The light controller also includes a second substrate which is substantially parallel to the first substrate, and third and fourth electrodes alternately formed on the second substrate along a second direction. The third and fourth electrodes are spaced apart from each other at a predetermined interval. The third and forth electrodes are electrically connected, respectively, to third and fourth connection electrodes.Type: GrantFiled: October 10, 2008Date of Patent: March 16, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hui Nam, Jang-Doo Lee, Hyoung-Wook Jang, Myoung-Seop Song, Beom-Shik Kim