Patents by Inventor Seung-ho Nam

Seung-ho Nam 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).

  • Patent number: 9535502
    Abstract: A sensing panel includes sensing units, each of the sensing units configured to represent a tactile sense in response to a tactile signal and a thermal sense in response to a thermal signal in different time periods. Each of the sensing units includes a first module including a first lower electrode, a first semiconductor disposed on the first lower electrode, and a first upper electrode disposed on the first semiconductor, and a second module including a second lower electrode, a second semiconductor disposed on the second lower electrode, and a second upper electrode disposed on the second semiconductor, and the first lower electrode is electrically connected to the second lower electrode.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: January 3, 2017
    Assignee: Samsung Display Co., Ltd
    Inventors: Won-ki Hong, Seung-Ho Nam
  • Patent number: 9423896
    Abstract: A method for representing a tactile image and providing a touch function and a haptic feedback function to a tactile touch panel includes: applying a touch driving voltage to the tactile touch panel; and applying a tactile voltage corresponding to an image to be displayed to the tactile touch panel in a blanking interval when the touch driving voltage may be not applied to a plurality of touch driving lines of the tactile touch panel, when a touch sensing voltage corresponding to a touch on the tactile touch panel may be received through a plurality of touch sensing lines of the tactile touch panel.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Kang-Won Lee, Moon-Sung Choi
  • Publication number: 20160179204
    Abstract: A sensing panel includes sensing units, each of the sensing units configured to represent a tactile sense in response to a tactile signal and a thermal sense in response to a thermal signal in different time periods. Each of the sensing units includes a first module including a first lower electrode, a first semiconductor disposed on the first lower electrode, and a first upper electrode disposed on the first semiconductor, and a second module including a second lower electrode, a second semiconductor disposed on the second lower electrode, and a second upper electrode disposed on the second semiconductor, and the first lower electrode is electrically connected to the second lower electrode.
    Type: Application
    Filed: March 3, 2016
    Publication date: June 23, 2016
    Inventors: Won-ki HONG, Seung-Ho Nam
  • Patent number: 9323329
    Abstract: Provided is a haptic panel including a plurality of haptic units. A haptic unit includes a lower electrode, a P-type semiconductor and an N-type semiconductor which are disposed on the lower electrode, a first upper electrode disposed on the P-type semiconductor, and a second upper electrode disposed on the N-type semiconductor. The haptic unit is configured to represent a tactile sense in response to a tactile signal and a thermal sense in response to a thermal signal.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: April 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-ki Hong, Seung-Ho Nam
  • Publication number: 20160062536
    Abstract: A mother substrate for touch screen panel includes a plurality of sensing patterns disposed in an active area, a plurality of first pads disposed in an non-active area surrounding the active area, a plurality of position detecting lines disposed in an non-active area and connecting the sensing patterns and the first pads and a plurality of second pads connected to the first pads. The first pads are spaced apart from each other by a first width. The second pads are spaced apart from each other by a second width more than the first width.
    Type: Application
    Filed: April 2, 2015
    Publication date: March 3, 2016
    Inventors: Byoung-Won CHOI, Seong-Mo HWANG, Seung-Ho NAM, Soo-Guy RHO, Jong-Won LEE
  • Publication number: 20160048048
    Abstract: A sensor substrate includes a base substrate, a black matrix pattern, a sensing electrode pattern, a driving electrode pattern, and at least one bridge line. The black matrix pattern is disposed on the base substrate and divides the base substrate into a light transmission area and a light blocking area. The sensing electrode pattern includes a plurality of first unit patterns arranged in association with a first direction. The driving electrode pattern includes a plurality of second unit patterns arranged in association with a second direction and disposed adjacent to the plurality of first unit patterns. The at least one bridge line is connected between at least two of the plurality of first unit patterns or between at least two of the plurality of second unit patterns.
    Type: Application
    Filed: October 27, 2015
    Publication date: February 18, 2016
    Inventors: In-Cheol KIM, Ji-Hong PARK, Hyun-Ju LEE, II-Ho LEE, Moon-Sung CHOI, Seong-Mo HWANG, Ki-Hyuk KIM, Seung-Ho NAM
  • Publication number: 20160026278
    Abstract: A touch panel including a cover glass; a transparent electrode layer disposed on a portion of the cover glass; a refractive index control layer disposed on the cover glass and the transparent electrode layer; and an adhesive layer disposed on the refractive index control layer. The refractive index control layer may include a single layer having sequentially different refractive indexes from the transparent electrode layer to the adhesive layer.
    Type: Application
    Filed: February 10, 2015
    Publication date: January 28, 2016
    Inventors: Jong Won LEE, Seung Ho Nam, Jae Ho You, Sung Jin Jang, Byoung Won Choi
  • Publication number: 20150370380
    Abstract: A touch screen panel includes a first touch electrode part, a second touch electrode part, a first touch router, a second touch router and plural third touch routers. The first touch electrode part includes plural first touch units. The second touch electrode part is substantially parallel to the first touch electrode part. The second touch electrode part includes plural second touch units. The first touch router is disposed adjacent to the first touch electrode part and is connected to one of an even-numbered first touch unit and an odd-numbered first touch unit of the first touch units. The second touch router is disposed adjacent to the first touch electrode part and is connected to the other of the even-numbered first touch unit and the odd-numbered first touch unit of the first touch units. The third touch routers are connected to each of the second touch units, respectively.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Inventors: Won-Ki HONG, Seung-Ho NAM, Ji-Hong PARK, Moon-Sung CHOI
  • Patent number: 9202949
    Abstract: A sensor substrate includes a base substrate, a black matrix pattern, a sensing electrode pattern, a driving electrode pattern, and at least one bridge line. The black matrix pattern is disposed on the base substrate and divides the base substrate into a light transmission area and a light blocking area. The sensing electrode pattern includes a plurality of first unit patterns arranged in association with a first direction. The driving electrode pattern includes a plurality of second unit patterns arranged in association with a second direction and disposed adjacent to the plurality of first unit patterns. The at least one bridge line is connected between at least two of the plurality of first unit patterns or between at least two of the plurality of second unit patterns.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Cheol Kim, Ji-Hong Park, Hyun-Ju Lee, Il-Ho Lee, Moon-Sung Choi, Seong-Mo Hwang, Ki-Hyuk Kim, Seung-Ho Nam
  • Patent number: 9128561
    Abstract: A display panel driving apparatus a data driving part which applies a first data signal to a data line corresponding to a first area of the display panel during a first sub frame period of a frame period and applies a second data signal to a data line corresponding to a second area of the display panel during a second sub frame period of the frame period, and a touch driving part which applies a touch driving signal to a touch driving line of the display panel during a first blank period next to the first sub frame period and applies the touch driving signal to the touch driving line during a second blank period next to the second sub frame period and included in the frame period.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il-Ho Lee, Seong-Mo Hwang, In-Cheol Kim, Ji-Hong Park, Moon-Sung Choi, Seung-Ho Nam
  • Patent number: 9081444
    Abstract: A touch display apparatus includes a first substrate, a second substrate, a light emitting part, a light receiving part and a light transmitting element. The second substrate faces the first substrate. The light emitting part is adjacent to a first side of the first substrate, and generates and emits light to the first substrate. The light receiving part is adjacent to a first side of the second substrate at a same side of the touch display apparatus as the first side of the first substrate, and receives light from the second substrate. The light transmitting element connects a second side of the first substrate opposing the first side of the first substrate to a second side of the second substrate opposing the first side of the second substrate.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-ki Hong, Guk-Hyun Kim, Seung-Ho Nam
  • Patent number: 9058075
    Abstract: The present invention relates to a display device including a touch sensor and a driving method thereof. A display device according to an exemplary embodiment of the present invention includes a plurality of data lines which extends in a first direction, a plurality of sensing output lines which extends in a second direction which is not parallel to the first direction and transmits a sensing output signal, a pixel electrode which is connected with the data line through a switching element, a touch sensor which is connected to the data line and the sensing output line and detects a touch, and a data driver which applies a displaying data voltage to the plurality of data lines during the image display period for one frame and applies a sensing input signal during a touch sensing period for one frame. The touch sensing period is included in a vertical blank period of the frame.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Ho Lee, Seung Ho Nam, Seong Mo Hwang
  • Patent number: 9041666
    Abstract: A touch panel and a contact information determining method of the touch panel. A touch panel includes a plurality of transmitting members arranged with a predetermined interval therebetween, and a first sensor and a second sensor positioned respectively at a first terminal and a second terminal of a transmitting member, wherein a transmission signal is transmitted to the first sensor and the second sensor, in response to a contact on the transmitting member.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Seung-Ho Nam, Kang-Won Lee
  • Patent number: 9019238
    Abstract: An object-sensing device is presented. The device includes a waveguide and a substrate holding a liquid crystal layer, wherein radiation propagates through the waveguide via total internal reflection. A radiation emitting element is positioned along a radiation input surface of the waveguide, and a radiation receiving element is positioned to receive radiation exiting the waveguide. The radiation receiving element may be positioned across the waveguide from the radiation emitting element. Alternatively, the radiation receiving element may be positioned on a surface that contacts the radiation input surface of the waveguide that is optically coupled to the radiation emitting element.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Hwan Kim, Seong-Mo Hwang, Seung-Ho Nam, Jee-Hong Min, Won-Ki Hong
  • Publication number: 20150062067
    Abstract: A touch sensor of an electromagnetic resonance type includes a plurality of touch electrodes configured to generate an electromagnetic wave according to an input signal or to transmit an output signal according to a response electromagnetic wave from an approached object, wherein corresponding ones of the plurality of touch electrodes are at a same layer.
    Type: Application
    Filed: January 24, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won-Ki Hong, Seung Ho Nam, Byoung Won Choi
  • Publication number: 20150062453
    Abstract: A display device includes: a first substrate; a plurality of pixel electrodes disposed on the first substrate; a common electrode including a plurality of common electrode plates disposed on the first substrate, where the common electrode plates cover the pixel electrodes and are arranged substantially in a matrix form; and a plurality of common electrode line groups which applies a common voltage to the common electrode plates, in which laterally adjacent common electrode plates of the common electrode plates are connected to different common electrode line groups.
    Type: Application
    Filed: July 24, 2014
    Publication date: March 5, 2015
    Inventors: In Cheol KIM, Seung Ho NAM, Yoon Gyu LEE, IL Ho LEE, Hyun-Ju LEE
  • Publication number: 20150049049
    Abstract: A touch sensing display device includes: a display panel; a capacitive touch panel disposed on a front surface of the display panel; a digitizer disposed on a surface of the display panel; a sensor driving unit which sequentially applies scanning signals to the capacitive touch panel and the digitizer, where each of the scanning signal is applied simultaneously to the capacitive touch panel and the digitizer; and a sensing unit which senses sensing signals of the capacitive touch panel and the digitizer, in which the sensing unit receives the sensing signal of the capacitive touch panel and the sensing signal of the digitizer at different times.
    Type: Application
    Filed: July 23, 2014
    Publication date: February 19, 2015
    Inventors: In Cheol KIM, Seung Ho NAM, Yoon Gyu LEE, Won-Ki HONG, Seong Mo HWANG
  • Publication number: 20150042601
    Abstract: A touch screen panel includes a lower substrate, a plurality of sensing wires disposed on the lower substrate in a first direction, an insulating layer disposed on the plurality of sensing wires, and a plurality of sensing pads disposed on the insulating layer, where a plurality of contact holes is defined in the insulating layer, and the plurality of sensing pads is connected to the plurality of sensing wires through the plurality of contact holes, respectively.
    Type: Application
    Filed: December 30, 2013
    Publication date: February 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Il Ho LEE, In Cheol KIM, Seung Ho NAM, Yoon Gyu LEE, Hyun-Ju LEE
  • Publication number: 20150009169
    Abstract: The present disclosure relates to a position detecting system. The position detecting system includes a display panel including a plurality of pixels. The position detecting system also includes a data driving unit configured to apply a first data voltage and a second data voltage to the display panel, wherein the first data voltage is associated with display of an image on the display panel during a first frame and the second data voltage is associated with display of patterns on the display panel during a second frame. The position detecting system further includes a position detecting sensor configured to capture an image of the patterns when a position detecting mode of the position detecting sensor is turned on.
    Type: Application
    Filed: October 16, 2013
    Publication date: January 8, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Il Ho LEE, Seung Ho NAM, Hyun-Ju LEE
  • Publication number: 20140347284
    Abstract: The present invention relates to a display device including a touch sensor and a driving method thereof. A display device according to an exemplary embodiment of the present invention includes a plurality of data lines which extends in a first direction, a plurality of sensing output lines which extends in a second direction which is not parallel to the first direction and transmits a sensing output signal, a pixel electrode which is connected with the data line through a switching element, a touch sensor which is connected to the data line and the sensing output line and detects a touch, and a data driver which applies a displaying data voltage to the plurality of data lines during the image display period for one frame and applies a sensing input signal during a touch sensing period for one frame. The touch sensing period is included in a vertical blank period of the frame.
    Type: Application
    Filed: September 17, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Il Ho LEE, Seung Ho NAM, Seong Mo HWANG