Patents by Inventor Hyoungwook Woo
Hyoungwook Woo 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: 20220164081Abstract: An embodiment of the present invention provides a display device including: a touch sensor configured to sequentially transfer an electromagnetic signal having two or more frequencies to a stylus pen, and to receive an electromagnetic signal corresponding to the electromagnetic signal from the stylus pen; and a touch controller configured to operate the touch sensor by determining one of the two or more frequencies as the frequency of the electromagnetic signal depending on a change in the received electromagnetic signal.Type: ApplicationFiled: March 27, 2020Publication date: May 26, 2022Inventors: Hwanhee LEE, Seyeob KIM, Bonkee KIM, Hyoungwook WOO, Kiryoung JUNG, Wonwoo LEE
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Patent number: 11327582Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body portion; a conductive tip configured to be exposed from an inside of the body portion to an outside thereof; a ground portion configured to be electrically connected to a user; and a resonant circuit portion in the body portion, electrically connected between the conductive tip and the ground portion, and including one or more resonance circuits that resonate with electrical signals of different frequencies transferred from the conductive tip to output resonance signals of different frequencies.Type: GrantFiled: August 6, 2020Date of Patent: May 10, 2022Assignee: HIDEEP INC.Inventors: Seyeob Kim, Hyoungwook Woo, Kyeonghan Park, Bonkee Kim
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Patent number: 11314361Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that includes a plurality of first touch electrodes extending in a first direction and arranged in a second direction that crosses the first direction, and a plurality of second touch electrodes extending in the second direction and arranged in the first direction; and a touch driver that applies a first driving signal for generation of a resonance signal of a stylus pen to the touch panel in a first section, and receives a detection signal from the plurality of first touch electrodes and the plurality of second touch electrodes in a second section that is next to the first section.Type: GrantFiled: December 7, 2020Date of Patent: April 26, 2022Assignee: HIDEEP INC.Inventors: Seyeob Kim, Hwanhee Lee, Jongsik Kim, Jeongwon Seo, Hyoungwook Woo, Kiryoung Jung, Bonkee Kim
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Patent number: 11301062Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body; a conductive tip configured to be exposed from an inside of the body to an outside thereof; and a resonance circuit connected to the conductive tip to resonate an electrical signal transferred from the conductive tip. An inductor unit of the resonance circuit includes a ferrite core and a coil wound in multiple layers over at least a portion of the ferrite core. The ferrite core includes nickel, and the coil can be formed by a litz wire with adjacent winding layers that are wound to be inclined in a zigzag form.Type: GrantFiled: March 5, 2021Date of Patent: April 12, 2022Assignee: HIDEEP INC.Inventors: Seyeob Kim, Hyoungwook Woo, Kiryoung Jung, Bonkee Kim
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Publication number: 20210311590Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that includes a plurality of first touch electrodes extending in a first direction and arranged in a second direction that crosses the first direction, and a plurality of second touch electrodes extending in the second direction and arranged in the first direction; and a touch driver that applies a first driving signal for generation of a resonance signal of a stylus pen to the touch panel in a first section, and receives a detection signal from the plurality of first touch electrodes and the plurality of second touch electrodes in a second section that is next to the first section.Type: ApplicationFiled: December 7, 2020Publication date: October 7, 2021Inventors: Seyeob KIM, Hwanhee LEE, Jongsik KIM, Jeongwon SEO, Hyoungwook WOO, Kiryoung JUNG, Bonkee KIM
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Patent number: 11112890Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a housing; a conductive tip configured to have at least a portion that is exposed to an exterior of the housing; a resonance circuit disposed in the housing to be connected to the conductive tip and to resonate an electrical signal transferred from the conductive tip; and a conductive blocking member disposed to correspond to a portion of the housing in which the conductive tip is exposed to the exterior.Type: GrantFiled: March 31, 2020Date of Patent: September 7, 2021Assignee: HIDEEP INC.Inventors: Hyoungwook Woo, Kiryoung Jung, Seyeob Kim
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Publication number: 20210200346Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body; a conductive tip configured to be exposed from an inside of the body to an outside thereof; and a resonance circuit connected to the conductive tip to resonate an electrical signal transferred from the conductive tip. An inductor unit of the resonance circuit includes a ferrite core and a coil wound in multiple layers over at least a portion of the ferrite core. The ferrite core includes nickel, and the coil can be formed by a litz wire with adjacent winding layers that are wound to be inclined in a zigzag form.Type: ApplicationFiled: March 5, 2021Publication date: July 1, 2021Inventors: Seyeob KIM, Hyoungwook WOO, Kiryoung Jung, Bonkee Kim
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Publication number: 20210132711Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body portion; a conductive tip configured to be exposed from an inside of the body portion to an outside thereof; a resonance circuit portion positioned in the body portion to be connected to the conductive tip to resonate an electrical signal transferred from the conductive tip; and a conductive blocking member configured to surround at least a portion of the resonance circuit portion.Type: ApplicationFiled: July 4, 2019Publication date: May 6, 2021Inventors: Kiryoung JUNG, Hyoungwook WOO, Seyeob KIM, Bonkee KIM
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Publication number: 20210089147Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body portion; a conductive tip configured to be exposed from an inside of the body portion to an outside thereof; a ground portion configured to be electrically connected to a user; and a resonant circuit portion in the body portion, electrically connected between the conductive tip and the ground portion, and including one or more resonance circuits that resonate with electrical signals of different frequencies transferred from the conductive tip to output resonance signals of different frequencies.Type: ApplicationFiled: August 6, 2020Publication date: March 25, 2021Inventors: Seyeob KIM, Hyoungwook WOO, Kyeonghan PARK, Bonkee KIM
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Patent number: 10942587Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body; a conductive tip configured to be exposed from an inside of the body to an outside thereof; and a resonance circuit connected to the conductive tip to resonate an electrical signal transferred from the conductive tip. An inductor unit of the resonance circuit includes a ferrite core and a coil wound in multiple layers over at least a portion of the ferrite core. The ferrite core includes nickel, and the coil can be formed by a litz wire with adjacent winding layers that are wound to be inclined in a zigzag form.Type: GrantFiled: February 14, 2020Date of Patent: March 9, 2021Assignee: HIDEEP INC.Inventors: Seyeob Kim, Hyoungwook Woo, Kiryoung Jung, Bonkee Kim
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Patent number: 10877576Abstract: A stylus pen according to an exemplary embodiment includes: a main body; a holder that is connected to the main body and of which an opening is formed at an end thereof; a stylus tip that is formed by being partially or wholly derived in the opening of the holder, and of which at least a part has a shape of a sphere or a shape of which some area contacting a sense surface has a constant curvature; and a conductive member that is electrically connected to the stylus tip and extends to the holder and the interior of the main body. According to the exemplary embodiments of the present invention, a program caused due to tilting of the stylus pen can be solved and touch sensitivity of the stylus tip can be enhanced.Type: GrantFiled: May 21, 2018Date of Patent: December 29, 2020Assignee: HIDEEP INC.Inventors: Seyeob Kim, Hyoungwook Woo, Joohyun Go
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Publication number: 20200326805Abstract: A touch device includes: a touch panel including a plurality of touch electrodes; a driver/receiver for applying a first driving signal to the touch panel while driven in a first mode, and applying a second driving signal that is different from the first driving signal to the touch panel while driven in a second mode; and a controller for comparing first detection signals received from the touch panel with a first threshold value to obtain first touch data while driven in the first mode, and comparing second detection signals received from the touch panel with a second threshold value to obtain second touch data while driven in the second mode, wherein the controller determines the second threshold value based on at least part of the first detection signals.Type: ApplicationFiled: April 9, 2020Publication date: October 15, 2020Inventors: Hwanhee LEE, Seyeob KIM, Bonkee KIM, Hyoungwook WOO, Kiryoung JUNG
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Publication number: 20200310564Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a housing; a conductive tip configured to have at least a portion that is exposed to an exterior of the housing; a resonance circuit disposed in the housing to be connected to the conductive tip and to resonate an electrical signal transferred from the conductive tip; and a conductive blocking member disposed to correspond to a portion of the housing in which the conductive tip is exposed to the exterior.Type: ApplicationFiled: March 31, 2020Publication date: October 1, 2020Inventors: Hyoungwook WOO, Kiryoung Jung, Seyeob Kim
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Publication number: 20200264712Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body; a conductive tip configured to be exposed from an inside of the body to an outside thereof; and a resonance circuit connected to the conductive tip to resonate an electrical signal transferred from the conductive tip. An inductor unit of the resonance circuit includes a ferrite core and a coil wound in multiple layers over at least a portion of the ferrite core. The ferrite core includes nickel, and the coil can be formed by a litz wire with adjacent winding layers that are wound to be inclined in a zigzag form.Type: ApplicationFiled: February 14, 2020Publication date: August 20, 2020Inventors: Seyeob Kim, Hyoungwook Woo, Kiryoung Jung, Bonkee Kim
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Publication number: 20200249791Abstract: An exemplary embodiment of the present invention provides a touch apparatus including: a touch panel including a plurality of first touch electrodes arranged in a first direction and a plurality of second touch electrodes arranged in a second direction crossing the first direction; a driver configured to apply a first driving signal to the first touch electrodes during a first period and a second driving signal to the second touch electrodes during a second period subsequent to the first period; a receiver configured to receive a detection signal from the second touch electrodes during the first period, and a detection signal from the first touch electrodes and the second touch electrodes during a third period subsequent to the second period; and a controller configured to determine a touch position based on the signal outputted from the receiver.Type: ApplicationFiled: January 16, 2020Publication date: August 6, 2020Inventors: Seyeob Kim, Jongsik Kim, Hwanhee Lee, Hyoungwook Woo, Kiryoung Jung, Bonkee Kim
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Publication number: 20180356911Abstract: A stylus pen according to an exemplary embodiment includes: a main body; a holder that is connected to the main body and of which an opening is formed at an end thereof; a stylus tip that is formed by being partially or wholly derived in the opening of the holder, and of which at least a part has a shape of a sphere or a shape of which some area contacting a sense surface has a constant curvature; and a conductive member that is electrically connected to the stylus tip and extends to the holder and the interior of the main body. According to the exemplary embodiments of the present invention, a program caused due to tilting of the stylus pen can be solved and touch sensitivity of the stylus tip can be enhanced.Type: ApplicationFiled: May 21, 2018Publication date: December 13, 2018Inventors: Seyeob KIM, Hyoungwook Woo, Joohyun Go