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).

  • Publication number: 20150205432
    Abstract: A touch sensor including driving electrodes, sensing electrodes, a memory, and a driver. The sensing electrodes intersect the driving electrodes. The memory stores a code matrix including driving codes respectively set for the driving electrodes and driving periods. The driver supplies driving signals to the driving electrodes with reference to the code matrix. In the touch sensor, the code matrix is configured with m rows and n columns, where m is an integer greater than or equal to 2, and n=m?1.
    Type: Application
    Filed: December 29, 2014
    Publication date: July 23, 2015
    Inventors: Soon-Sung AHN, Ja-Seung Ku, Hyoung-Wook Jang
  • Patent number: 9083964
    Abstract: A stereoscopic image display device includes: a display unit including a plurality of pixels arranged in a matrix format, the pixels including left-eye and right-eye pixels alternately arranged in one direction; a memory including a left-eye image area for storing left-eye image data corresponding to the left-eye pixels and a right-eye image area for storing right-eye image data corresponding to the right-eye pixels; an address comparator for the respectively storing the left-eye and right-eye image data at corresponding addresses of the left-eye and right-eye image areas and making an arrangement of the left-eye and right-eye image areas in the memory in response to a first signal; a data synthesizer for synthesizing a stereoscopic image signal from the data stored in the memory; and a data driver for applying a data signal corresponding to a stereoscopic image signal to the display unit.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: July 14, 2015
    Assignees: Nexuschips Co., Ltd., Samsung 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
  • Publication number: 20150123933
    Abstract: A display device, including an upper substrate, a plurality of sense wires disposed on the upper substrate, a plurality of sense pads disposed on the upper substrate, a plurality of first connection units disposed on the upper substrate, a lower substrate, a display unit including a plurality of display elements, disposed on the lower substrate, multiplexer units disposed on the lower substrate, a touch panel driver integrated circuit connected to the multiplexer units, and conductive members electrically connecting the plurality of first connection units and the plurality of second connection units, respectively, wherein each of the plurality of sense wires is connected with each of the plurality of sense pads, and one end of each of the plurality of sense wires is connected to each of the plurality of first connection units, respectively, and the multiplexer units each include a plurality of second connection units.
    Type: Application
    Filed: April 1, 2014
    Publication date: May 7, 2015
    Inventors: Hyoung Wook JANG, Soon Sung Ahn
  • Publication number: 20150109244
    Abstract: A capacitive type touch sensor, includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to overlap the driving electrodes, the sensing electrodes and the driving electrodes being spaced apart from each other, a driving unit configured to supply driving signals to the respective driving electrodes, and a sensing unit configured to detect sensing signals from the sensing electrodes, wherein the driving signals supplied by the driving unit include at least one of a first driving signal having a first frequency and a second driving signal having a second frequency different from the first frequency.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 23, 2015
    Inventors: Hyoung-Wook JANG, Soon-Sung Ahn, Ja-seung Ku
  • Publication number: 20150042606
    Abstract: A touch sensor includes a controller to detect a touch on a screen. The controller includes a voltage analyzer and a calculator. The voltage analyzer measures an output voltage of a sensing electrode of a touch sensor. The calculator calculates a capacitance between the sensing electrode and a driving electrode. The calculator calculates the capacitance based on a voltage matrix and the output voltage for one or more time periods. The voltage matrix is based on a code matrix of a plurality of code matrices.
    Type: Application
    Filed: July 21, 2014
    Publication date: February 12, 2015
    Inventor: Hyoung-Wook JANG
  • Patent number: 8860703
    Abstract: A 2-dimensional (2D)/3-dimensional (3D) image display device generates 2D or 3D image data according to an input image signal and displays them on a display unit. The display unit includes a display panel for displaying an image in response to the 2D or 3D image data and an optical element layer operative during first and second driving modes in accordance with the 3D and 2D image data. A controller converts the optical element layer to be in the first driving mode in a first period before a 3D image signal is displayed when the input image signal changes from a 2D image signal to the 3D image signal, and converts the optical element layer to be in the second driving mode in a second period after the 2D image signal is displayed when the input image signal changes from the 3D image signal to the 2D image signal.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Cheol Han, Hui Nam, Hyoung-Wook Jang
  • Publication number: 20140204285
    Abstract: A flexible display device having a touch and bending sensing function includes a plurality of pixels on a display area of a first substrate, and a pressure sensor portion between the first substrate and the plurality of pixels, the pressure sensor portion including a plurality of first electrodes arranged in a first direction and a plurality of second electrodes above the first electrodes and arranged in a second direction.
    Type: Application
    Filed: June 26, 2013
    Publication date: July 24, 2014
    Inventor: Hyoung-Wook JANG
  • Publication number: 20140111447
    Abstract: There is provided a touch screen panel. The touch screen panel includes first electrodes, second electrodes and spacers. The first electrodes and second electrodes are arranged opposite to each other at an interval. Spacers are arranged between the first and second electrodes, and have at least two hardnesses.
    Type: Application
    Filed: January 29, 2013
    Publication date: April 24, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Heui Jeong, Hyoung-Wook Jang
  • Publication number: 20140104200
    Abstract: A touch sensing system includes: a first touch sensor; a second touch sensor; and a control IC configured to control the first touch sensor and the second touch sensor.
    Type: Application
    Filed: February 4, 2013
    Publication date: April 17, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang
  • Publication number: 20140022187
    Abstract: A display device including a plurality of pixels at a display region of a first substrate, and an electromagnetic resonance (EMR) sensor unit at one surface of the first substrate, the EMR sensor unit including a first group of coils and a second group of coils, the first group of coils and the second group of coils being laminated, wherein the EMR sensor unit is beneath the plurality of pixels.
    Type: Application
    Filed: December 12, 2012
    Publication date: January 23, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Heui Jeong, Hyoung-Wook Jang
  • Publication number: 20130286000
    Abstract: A 2-dimensional (2D)/3-dimensional (3D) image display device generates 2D or 3D image data according to an input image signal and displays them on a display unit. The display unit includes a display panel for displaying an image in response to the 2D or 3D image data and an optical element layer operative during first and second driving modes in accordance with the 3D and 2D image data. A controller converts the optical element layer to be in the first driving mode in a first period before a 3D image signal is displayed when the input image signal changes from a 2D image signal to the 3D image signal, and converts the optical element layer to be in the second driving mode in a second period after the 2D image signal is displayed when the input image signal changes from the 3D image signal to the 2D image signal.
    Type: Application
    Filed: June 25, 2013
    Publication date: October 31, 2013
    Inventors: Seong-Cheol Han, Hui Nam, Hyoung-Wook Jang
  • Publication number: 20130278513
    Abstract: A touch screen panel includes a plurality of pixels on a substrate, a sealing thin film on the substrate, and a plurality of sensing electrodes on the sealing thin film, each of the sensing electrodes having a mesh structure, the mesh structures of the sensing electrodes and the pixels overlapping different portions of the substrate.
    Type: Application
    Filed: August 14, 2012
    Publication date: October 24, 2013
    Inventor: Hyoung-Wook JANG
  • Publication number: 20130249823
    Abstract: A stylus includes a pressure detector for detecting applied pressure, a first signal generator for generating a signal of a first frequency, a second signal generator for generating a signal of a second frequency, and a controller for adjusting at least one of the first and second signal generators to control an amplitude ratio of the signal of the first frequency to the signal of the second frequency according to the applied pressure detected by the pressure detector.
    Type: Application
    Filed: November 8, 2012
    Publication date: September 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang
  • Patent number: 8487917
    Abstract: A 2-dimensional (2D)/3-dimensional (3D) image display device generates 2D or 3D image data according to an input image signal and displays them on a display unit. The display unit includes a display panel for displaying an image in response to the 2D or 3D image data and an optical element layer operative during first and second driving modes in accordance with the 3D and 2D image data. A controller converts the optical element layer to be in the first driving mode in a first period before a 3D image signal is displayed when the input image signal changes from a 2D image signal to the 3D image signal, and converts the optical element layer to be in the second driving mode in a second period after the 2D image signal is displayed when the input image signal changes from the 3D image signal to the 2D image signal.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: July 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Cheol Han, Hui Nam, Hyoung-Wook Jang
  • Patent number: 8482485
    Abstract: A barrier device and a display device including the barrier device, include a plurality of column barrier electrodes and a plurality of row barrier electrodes. In the barrier unit, the column barrier electrodes are divided as a plurality of first column barrier electrodes and a plurality of second column barrier electrodes. Crossing regions of the first column barrier electrode and the plurality of row barrier electrodes are different from crossing regions of the second column barrier electrode and the plurality of row barrier electrodes. The barrier device improves image quality of stereoscopic images displayed by the display device.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: July 9, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung-Wook Jang, Hui Nam, Beom-Shik Kim, Ja-Seung Ku, Chan-Young Park
  • Patent number: 8477120
    Abstract: 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: Grant
    Filed: July 19, 2011
    Date of Patent: July 2, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung-Wook Jang, Ja-Seung Ku, Soon-Sung Ahn, Jung-Yun Kim, Choon-Hyop Lee
  • Patent number: 8384834
    Abstract: 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: Grant
    Filed: January 22, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ja-Seung Ku, Beom-Shik Kim, Hui Nam, Chan-Young Park, Hyoung-Wook Jang
  • Patent number: 8373617
    Abstract: The present invention relates to a stereoscopic image display device including an active barrier for varying a barrier display pattern so as to display various stereoscopic images. In further detail, the stereoscopic image display device includes a display panel, a barrier, a barrier driver, and a controller. A stereoscopic image is displayed on the display panel. The barrier is placed corresponding to the display panel, and includes a plurality of liquid crystal cells arranged in a matrix format. The barrier driver drives the barrier such that the barrier display pattern may be a display pattern corresponding to the image signal by controlling the respective plurality of liquid crystal cells to become selectively transparent or opaque based on the mode information signal.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: February 12, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beom-Shik Kim, Jang-Doo Lee, Hyoung-Wook Jang, Hui Nam, Myoung-Seop Song
  • Patent number: 8363094
    Abstract: An electronic display device includes a display unit including a plurality of scan lines, a plurality of data lines, and a plurality of pixels, and a barrier unit covering the display unit, including a plurality of first areas and a plurality of second areas alternately arranged along a length direction of the data lines, a first electrode group respectively provided in each of the first areas, each of the electrode groups including a plurality of first sub-electrodes and a plurality of second sub-electrodes alternately arranged along a length direction of the scan lines, a second electrode group provided in each of the second areas on a layer that is different from a layer on which the first electrode group is provided, each of the second electrode groups including a plurality of third sub-electrodes and a plurality of fourth sub-electrodes alternately arranged along the length direction of the scan line, and an insulation layer between the first and second electrode groups.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: January 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beom-Shik Kim, Hui Nam, Chan-Young Park, Ja-Seung Ku, Hyoung-Wook Jang
  • Publication number: 20120262411
    Abstract: A touch screen system includes a touch screen panel including first lines, second lines crossing the first lines, a plurality of sensing cells formed at the crossing regions between the first lines and the second lines, a driving circuit for sequentially applying a driving signal to the first lines, a first sensing circuit for receiving capacitance change information sensed by the first lines, and generating a first sensing signal corresponding to the capacitance change information, a selecting unit for selectively coupling the first lines to the driving circuit or the first sensing circuit, a second sensing circuit for receiving the capacitance change information sensed by the sensing cells from the second lines and generating a second sensing signal corresponding to the capacitance change information, and a processing unit for receiving a sensing signal from the first sensing circuit and/or the second sensing circuit and determining a detected touch position.
    Type: Application
    Filed: September 21, 2011
    Publication date: October 18, 2012
    Inventors: Soon-Sung Ahn, Hyoung-Wook Jang, Ja-Seung Ku