Patents by Inventor Ji Hong PARK
Ji Hong PARK 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: 20200111629Abstract: A DC circuit breaker having an arc blowout device according to the present invention comprises: a fixed contact; a movable contact operating so as to make contact with or separate from the fixed contact; an operation part for driving the movable contact; and a blowout device which provides a magnetic field in a direction crossing the arc generated when the movable contact is separated, wherein the blowout device includes: a pair of core plates arranged side by side on both sides of the movable contact and the fixed contact; core rods integrally connected to the core plates, respectively, and having symmetrical shapes to each other; and a blowout coil coupled to one of the core rods.Type: ApplicationFiled: September 7, 2017Publication date: April 9, 2020Inventors: Ji-Hong PARK, Hye-Lim YOON, Jae-Seop KIM
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Patent number: 10254905Abstract: A touch display apparatus includes a display panel, a touch electrode, a first pressure sensing electrode, a polarizer and a second pressure sensing electrode. The display panel includes a display region and a peripheral region, and displays an image. The touch electrode is disposed on the display region of the display panel, includes a plurality of touch patterns, and detects a touch position. The first pressure sensing electrode is disposed on the peripheral region of the display panel. The touch electrode and the first pressure sensing electrode are disposed in the same layer. The polarizer is disposed on the touch electrode and the first pressure sensing electrode, and includes a dielectric elastomer material. The second pressure sensing electrode is disposed on the polarizer, and overlaps the first pressure sensing electrode.Type: GrantFiled: February 28, 2017Date of Patent: April 9, 2019Assignee: Samsung Display Co., Ltd.Inventors: Moon Sung Choi, Gyeong-Ub Moon, Sangho Park, Ji Hong Park, Sang Min Choi
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Publication number: 20180341351Abstract: 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: ApplicationFiled: August 2, 2018Publication date: November 29, 2018Inventors: Won-Ki HONG, Seung-Ho NAM, Ji-Hong PARK, Moon-Sung CHOI
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Patent number: 10078404Abstract: 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: GrantFiled: August 31, 2015Date of Patent: September 18, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Moon-Sung Choi
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Publication number: 20180181246Abstract: 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: ApplicationFiled: February 26, 2018Publication date: June 28, 2018Inventors: In-Cheol Kim, Ji-Hong Park, Hyun-Ju Lee, Il-Ho Lee, Moon-Sung Choi, Seong-Mo Hwang, Ki-Hyuk Kim, Seung-Ho Nam
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Patent number: 9933871Abstract: 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: GrantFiled: October 27, 2015Date of Patent: April 3, 2018Assignee: 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
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Patent number: 9922397Abstract: There is provided an image display system. The image display system includes a touch controller configured to generate first touch event information and second touch event information each corresponding to a touch signal output from a touch panel, a display data generating unit configured to generate first display data to be displayed during one frame in response to the first touch event information, a graphic processing unit (GPU) configured to combine second display data with the first display data so as to generate output image data, the second display data corresponding to the second touch event information supplied from the touch controller, and a display controller configured to supply output image data generated by the GPU to a display panel.Type: GrantFiled: October 19, 2016Date of Patent: March 20, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gyeong Ub Moon, Sang Ho Park, Ji Hong Park, Moon Sung Choi, Sang Min Choi
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Patent number: 9841854Abstract: A display device according to the present inventive concept includes: a display panel comprising a pixel electrode receiving a data voltage and a common electrode receiving a common voltage; and a touch sensor comprising a plurality of driving electrodes and a plurality of sensing electrodes, wherein the touch sensor applies a touch detection signal to the plurality of driving electrode and detects a touch location by receiving a sense signal from the plurality of sensing electrode in an active mode, and determines whether a touch is made by receiving sense signals of the plurality of sensing electrodes, that are fluctuated by a ripple of a common voltage applied to the common electrode according to driving of the display panel in an idle mode.Type: GrantFiled: March 9, 2015Date of Patent: December 12, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ji Hong Park, Moon Sung Choi, Sang Min Choi
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Publication number: 20170255298Abstract: A touch display apparatus includes a display panel, a touch electrode, a first pressure sensing electrode, a polarizer and a second pressure sensing electrode. The display panel includes a display region and a peripheral region, and displays an image. The touch electrode is disposed on the display region of the display panel, includes a plurality of touch patterns, and detects a touch position. The first pressure sensing electrode is disposed on the peripheral region of the display panel. The touch electrode and the first pressure sensing electrode are disposed in the same layer. The polarizer is disposed on the touch electrode and the first pressure sensing electrode, and includes a dielectric elastomer material. The second pressure sensing electrode is disposed on the polarizer, and overlaps the first pressure sensing electrode.Type: ApplicationFiled: February 28, 2017Publication date: September 7, 2017Inventors: Moon Sung CHOI, Gyeong-Ub MOON, Sangho PARK, Ji Hong PARK, Sang Min CHOI
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Patent number: 9665220Abstract: A display apparatus including a display panel, a touch panel, a data driver, a common voltage noise predictor and a touch position detector. The display panel includes a plurality of data lines and a plurality of pixels. The pixels are electrically connected to the data lines, respectively. The touch panel is configured to output a first touch signal based on a touch event. The data driver is configured to output a data voltage to the data line based on a data signal. The common voltage noise predictor is configured to output a common voltage noise compensating signal based on the data signal. The touch position detector is configured to detect a touch position based on the common voltage noise compensating signal and the first touch signal.Type: GrantFiled: August 5, 2014Date of Patent: May 30, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hong Park, Moon Shik Kang, Moon-Sung Choi, Sang-Min Choi
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Patent number: 9652098Abstract: The inventive concept relates to a display device including a touch sensor. More particularly, the inventive concept relates to a display device including a hybrid touch sensor for sensing a touch position and a touch pressure. The display device includes: a display panel for displaying an image; and a touch sensor unit provided on the display panel, wherein the touch sensor unit includes a sensing electrode layer including a first touch sensor and a pressure sensing electrode, a conductor, and an elastic layer provided between the sensing electrode layer and the conductor, the first touch sensor includes a plurality of touch electrodes for sensing a touch position, the plurality of touch electrodes including a transparent conductive material, and the pressure sensing electrode, the conductor, and the elastic layer form a second touch sensor for sensing a touch pressure by a foreign object.Type: GrantFiled: January 13, 2015Date of Patent: May 16, 2017Assignee: Samsung Display Co., Ltd.Inventors: Moon Sung Choi, Ji Hong Park, Sang Min Choi
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Publication number: 20170123589Abstract: There is provided an image display system. The image display system includes a touch controller configured to generate first touch event information and second touch event information each corresponding to a touch signal output from a touch panel, a display data generating unit configured to generate first display data to be displayed during one frame in response to the first touch event information, a graphic processing unit (GPU) configured to combine second display data with the first display data so as to generate output image data, the second display data corresponding to the second touch event information supplied from the touch controller, and a display controller configured to supply output image data generated by the GPU to a display panel.Type: ApplicationFiled: October 19, 2016Publication date: May 4, 2017Inventors: Gyeong Ub MOON, Sang Ho PARK, Ji Hong PARK, Moon Sung CHOI, Sang Min CHOI
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Publication number: 20170060331Abstract: A touch screen panel includes a driving line including a plurality of touch driving units, a sensing line substantially parallel to the driving line and which includes a plurality of touch sensing units, a first driving router disposed adjacent to the driving line and which transmits a first touch pulse to one of an even-numbered touch driving unit and an odd-numbered touch driving unit of the touch driving units, a second driving router disposed adjacent to the driving line and which transmits a second touch pulse to the other of the even-numbered touch driving unit and the odd-numbered touch driving unit of the touch driving units and a plurality of sensing routers connected to each of the touch sensing units and which receives a sensing signal from the touch sensing units.Type: ApplicationFiled: November 11, 2016Publication date: March 2, 2017Inventors: Won-Ki HONG, Seung-Ho NAM, Ji-Hong PARK, Moon-Sung CHOI
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Patent number: 9568999Abstract: 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: GrantFiled: September 12, 2013Date of Patent: February 14, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Kang-Won Lee, Moon-Sung Choi
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Patent number: 9423896Abstract: 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: GrantFiled: March 15, 2013Date of Patent: August 23, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won-Ki Hong, Seung-Ho Nam, Ji-Hong Park, Kang-Won Lee, Moon-Sung Choi
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Publication number: 20160202829Abstract: A touch screen panel includes: a plurality of touch electrodes formed, in matrix, on a display panel including a plurality of pixels including a common electrode to which common voltage is supplied and a touch driver distinguishing the plurality of touch electrodes to apply sensing driving signals having different polarities.Type: ApplicationFiled: September 2, 2015Publication date: July 14, 2016Inventors: Sang Min Choi, Ji Hong Park, Moon Sung Choi
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Patent number: 9342166Abstract: In a touch substrate and a display apparatus, the touch substrate includes a first electrode, a second electrode, a first touch electrode and a blocking layer. The first electrode includes an opaque conductive material and extends along a first direction. The second electrode includes the opaque conductive material, extends along a second direction crossing the first direction, and has a gap through which the first electrode extends. The first touch electrode is formed on the first electrode and is electrically connected to the first electrode. The blocking layer overlaps the first and second electrodes.Type: GrantFiled: October 23, 2012Date of Patent: May 17, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Joon Cho, Joon-Chul Goh, Ji-Hong Park, Cheol-Gon Lee, Chong-Chul Chai, Jae-Keun Lim
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Publication number: 20160098116Abstract: A display device according to the present inventive concept includes: a display panel comprising a pixel electrode receiving a data voltage and a common electrode receiving a common voltage; and a touch sensor comprising a plurality of driving electrodes and a plurality of sensing electrodes, wherein the touch sensor applies a touch detection signal to the plurality of driving electrode and detects a touch location by receiving a sense signal from the plurality of sensing electrode in an active mode, and determines whether a touch is made by receiving sense signals of the plurality of sensing electrodes, that are fluctuated by a ripple of a common voltage applied to the common electrode according to driving of the display panel in an idle mode.Type: ApplicationFiled: March 9, 2015Publication date: April 7, 2016Inventors: Ji Hong PARK, Moon Sung CHOI, Sang Min CHOI
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Publication number: 20160098109Abstract: The inventive concept relates to a display device including a touch sensor. More particularly, the inventive concept relates to a display device including a hybrid touch sensor for sensing a touch position and a touch pressure. The display device includes: a display panel for displaying an image; and a touch sensor unit provided on the display panel, wherein the touch sensor unit includes a sensing electrode layer including a first touch sensor and a pressure sensing electrode, a conductor, and an elastic layer provided between the sensing electrode layer and the conductor, the first touch sensor includes a plurality of touch electrodes for sensing a touch position, the plurality of touch electrodes including a transparent conductive material, and the pressure sensing electrode, the conductor, and the elastic layer form a second touch sensor for sensing a touch pressure by a foreign object.Type: ApplicationFiled: January 13, 2015Publication date: April 7, 2016Inventors: Moon Sung CHOI, Ji Hong PARK, Sang Min CHOI
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Publication number: 20160098110Abstract: Embodiments relate to a display device including a touch sensor, and more particularly, to a display device including a hybrid touch sensor that can sense a touch and touch pressure by a touch pen. The display device includes: a display panel configured to display an image; and a lower touch sensor unit positioned below the display panel. The lower touch sensor unit includes a sensing electrode layer including a plurality of first sensing electrodes, a conductor, and an elastic layer positioned between the sensing electrode layer and the conductor. The first sensing electrodes form a first touch sensor that is capable of sensing a touch by a stylus pen, and the first sensing electrodes, the conductor, and the elastic layer form a second touch sensor that is capable of sensing touch pressure by an external object.Type: ApplicationFiled: January 26, 2015Publication date: April 7, 2016Inventors: Moon Sung CHOI, Young-Jin KIM, Ji Hong PARK, Sang Min CHOI