Patents by Inventor Youngho Cho
Youngho Cho 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: 11995264Abstract: An electronic device, according to an embodiment of the disclosure, may comprise: a touchscreen including a first portion and a second portion; a memory; and a processor operatively connected to the touchscreen and the memory. The memory may store instructions that, when executed, cause the processor to: recognize a first point at which a touch input is in contact with the second portion, recognize a second point at which the touch input is separated from the touch screen, recognize at least one third point at which the touch input is periodically in contact with the touch screen in a state in which the touch input is in contact with the touch screen, and activate the touch input based on whether at least one of the second point and the at least one third point is located outside a specified area having a specified radius set with respect to the first point.Type: GrantFiled: July 5, 2022Date of Patent: May 28, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Youngho Cho, Juhyeon Park, Kiwon Kim
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Patent number: 11983364Abstract: An embodiment of the present invention provides a display device including: a loop coil; a display unit configured to include a plurality of pixels; a display driver configured to apply a data signal and a scan signal to the pixels depending on a vertical synchronization signal and a horizontal synchronization signal; a plurality of touch electrodes positioned on the display unit; a driving receiver configured to apply a driving signal to the loop coil during a first period and to receive a sensing signal from at least one of the touch electrodes during a second period after the first period; and a controller configured to generate touch information by using the sensing signal, wherein the driving signal is synchronized to at least one pulse of the vertical synchronization signal and the horizontal synchronization signal.Type: GrantFiled: January 21, 2021Date of Patent: May 14, 2024Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim, Youngho Cho, Hyoungwook Woo, Kiryoung Jung, Hwanhee Lee, Wonwoo Lee, Kyeonghan Park, Sein Lee, Jeongwon Seo, Jongsik Kim, Inuk Jeong, Hojun Moon, Beomkyu Ko
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Patent number: 11983357Abstract: An electronic device according to an embodiment includes: a display panel; a touch electrode layer disposed on the display panel and comprising at least one touch electrode; and a conductive wire disposed on the display panel, disposed on the same layer as the touch electrode layer, and generating a magnetic field signal for driving a stylus pen.Type: GrantFiled: January 22, 2021Date of Patent: May 14, 2024Assignee: HiDeep Inc.Inventors: Seyeob Kim, Hyoungwook Woo, Kyeonghan Park, Bonkee Kim, Youngho Cho, Sein Lee, Hwanhee Lee, Kiryoung Jung, Wonwoo Lee, Jeongwon Seo, Jongsik Kim, Inuk Jeong, Beomkyu Ko, Hojun Moon
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Patent number: 11983353Abstract: a touch device according to an exemplary embodiment includes: a plurality of touch electrodes; and a driver/receiver that applies driving signals, each having a frequency corresponding to a resonance frequency of a stylus pen, to the plurality of touch electrodes, and receives detection signals from the plurality of touch electrodes, wherein the driving signals may include a first driving signal and a second driving signal, each having a different phase.Type: GrantFiled: January 26, 2022Date of Patent: May 14, 2024Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim, Youngho Cho
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Publication number: 20240111379Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that is disposed on a display panel of a display device that drives a plurality of pixels according to a vertical synchronization signal and a horizontal synchronization signal, and includes a plurality of first touch electrodes for sensing a touch input in a first direction and a plurality of second touch electrode for sensing a touch input in a second direction; a driver/receiver that applies a driving signal to at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a first section, and receives a detection signal from at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a second section after the first section; and a controller that generates touch information by using the detection signal, wherein the driving signal is synchronized with at least one synchronization signal of the horizontal synchronization signal and the vType: ApplicationFiled: December 11, 2023Publication date: April 4, 2024Inventors: Seyeob KIM, Bonkee KIM, Youngho CHO, Sein LEE
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Publication number: 20240094842Abstract: Provided is an electronic device including a panel including a plurality of first electrodes extending in a Y-axis and a plurality of second electrodes extending in an X-axis, a driving part configured to individually control a direction of current flowing through the plurality of first electrode and the plurality of second electrodes so as to generate electromagnetic fields, thereby driving a stylus, and a determination part configured to receive a signal generated in the stylus so as to determine touch coordinates. Each of the plurality of first electrodes and the plurality of second electrodes does not form a closed loop. In the electronic device and a stylus driving device according to the embodiment of the present invention, since a separate configuration such as a digitizer, an antenna, and the like is not required, a product may be miniaturized and thinned, a manufacturing cost may be reduced, and the stylus may be used while adopting the existing touch panel as it is.Type: ApplicationFiled: January 19, 2022Publication date: March 21, 2024Inventors: Bonkee KIM, Seyeob KIM, Youngho CHO, Jongsik KIM, Hwanhee LEE
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Patent number: 11861105Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that is disposed on a display panel of a display device that drives a plurality of pixels according to a vertical synchronization signal and a horizontal synchronization signal, and includes a plurality of first touch electrodes for sensing a touch input in a first direction and a plurality of second touch electrode for sensing a touch input in a second direction; a driver/receiver that applies a driving signal to at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a first section, and receives a detection signal from at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a second section after the first section; and a controller that generates touch information by using the detection signal, wherein the driving signal is synchronized with at least one synchronization signal of the horizontal synchronization signal and the vType: GrantFiled: October 21, 2022Date of Patent: January 2, 2024Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim, Youngho Cho, Sein Lee
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Publication number: 20230400936Abstract: An embodiment of the present invention provides a touch device for sensing a position of a stylus including a resonance circuit, including: a plurality of electrode; and a touch controller configured to receive a sensing signal from the electrodes to determine a position of the stylus, wherein the electrodes includes electrodes in which directions of currents induced in the electrodes by the resonance circuit are opposite to each other.Type: ApplicationFiled: June 12, 2023Publication date: December 14, 2023Inventors: Seyeob KIM, Bonkee KIM, Hyoungwook WOO, Hojun MOON, Hwanhee LEE, Jongsik KIM, Youngho CHO
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Patent number: 11744461Abstract: The present disclosure relates to a retina imaging method in which a light from a light source into two lights is dispersed, at least one eyeground image of the eyeball at a first magnification is obtained by adjusting the paths of the two lights incident on the eyeball, and a plurality of DIC images are obtained at a second magnification higher than the first magnification with respect to the retina of the entirety of the obtained at least one eyeground image by adjusting the paths of the two lights incident on the eyeball.Type: GrantFiled: February 26, 2020Date of Patent: September 5, 2023Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, SEOUL NATIONAL UNIVERSITY HOSPITAL, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae Hun Kim, Dae Yu Kim, Seok Hwan Kim, Youngho Cho, Byeongho Park, Hyo-suk Kim, Subeen Park, Kyoung Min Lee
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Publication number: 20230236697Abstract: According to various embodiments of the present disclosure, an electronic device includes: a housing; a touch circuit including a plurality of TX electrodes, and a plurality of RX electrodes arranged to cross over the plurality of TX electrode; a flexible display which includes the touch circuit, and which can be withdrawn from the inner space of the housing; a touch controller; and a processor operatively connected to the touch circuit, the flexible display and the touch controller, wherein the touch controller applies a driving signal by using the plurality of TX electrodes of the touch circuit, acquires the driving signal by using the plurality of RX electrodes, confirms a capacitance value on the basis of the acquired driving signal, and confirms information about a folded area of the flexible display on the basis of the capacitance value, and the processor can set an activation area for an unfolded area of the flexible display on the basis of the folded area of the flexible display.Type: ApplicationFiled: March 28, 2023Publication date: July 27, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngho CHO, Dahee LIM, Mooyoung KIM
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Patent number: 11675446Abstract: An embodiment of the present invention provides a touch device for sensing a position of a stylus including a resonance circuit, including: a plurality of electrode; and a touch controller configured to receive a sensing signal from the electrodes to determine a position of the stylus, wherein the electrodes includes electrodes in which directions of currents induced in the electrodes by the resonance circuit are opposite to each other.Type: GrantFiled: January 24, 2022Date of Patent: June 13, 2023Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim, Hyoungwook Woo, Hojun Moon, Hwanhee Lee, Jongsik Kim, Youngho Cho
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Publication number: 20230125764Abstract: An embodiment of the present invention provides a display device including: a loop coil; a display unit configured to include a plurality of pixels; a display driver configured to apply a data signal and a scan signal to the pixels depending on a vertical synchronization signal and a horizontal synchronization signal; a plurality of touch electrodes positioned on the display unit; a driving receiver configured to apply a driving signal to the loop coil during a first period and to receive a sensing signal from at least one of the touch electrodes during a second period after the first period; and a controller configured to generate touch information by using the sensing signal, wherein the driving signal is synchronized to at least one pulse of the vertical synchronization signal and the horizontal synchronization signal.Type: ApplicationFiled: January 21, 2021Publication date: April 27, 2023Inventors: Seyeob KIM, Bonkee KIM, Youngho CHO, Hyoungwook WOO, Kiryoung JUNG, Hwanhee LEE, Wonwoo LEE, Kyeonghan PARK, Sein LEE, Jeongwon SEO, Jongsik KIM, Inuk JEONG, Hojun MOON, Beomkyu KO
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Publication number: 20230067179Abstract: An electronic device according to an embodiment includes: a display panel; a touch electrode layer disposed on the display panel and comprising at least one touch electrode; and a conductive wire disposed on the display panel, disposed on the same layer as the touch electrode layer, and generating a magnetic field signal for driving a stylus pen.Type: ApplicationFiled: January 22, 2021Publication date: March 2, 2023Inventors: Seyeob KIM, Hyoungwook WOO, Kyeonghan PARK, Bonkee KIM, Youngho CHO, Sein LEE, Hwanhee LEE, Kiryoung JUNG, Wonwoo LEE, Jeongwon SEO, Jongsik KIM, Inuk JEONG, Beomkyu KO, Hojun MOON
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Publication number: 20230037637Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that is disposed on a display panel of a display device that drives a plurality of pixels according to a vertical synchronization signal and a horizontal synchronization signal, and includes a plurality of first touch electrodes for sensing a touch input in a first direction and a plurality of second touch electrode for sensing a touch input in a second direction; a driver/receiver that applies a driving signal to at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a first section, and receives a detection signal from at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a second section after the first section; and a controller that generates touch information by using the detection signal, wherein the driving signal is synchronized with at least one synchronization signal of the horizontal synchronization signal and the vType: ApplicationFiled: October 21, 2022Publication date: February 9, 2023Inventors: Seyeob KIM, Bonkee KIM, Youngho CHO, Sein LEE
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Patent number: 11481065Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that is disposed on a display panel of a display device that drives a plurality of pixels according to a vertical synchronization signal and a horizontal synchronization signal, and includes a plurality of first touch electrodes for sensing a touch input in a first direction and a plurality of second touch electrode for sensing a touch input in a second direction; a driver/receiver that applies a driving signal to at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a first section, and receives a detection signal from at least one of the plurality of first touch electrodes and the plurality of second touch electrodes during a second section after the first section; and a controller that generates touch information by using the detection signal, wherein the driving signal is synchronized with at least one synchronization signal of the horizontal synchronization signal and the vType: GrantFiled: June 5, 2020Date of Patent: October 25, 2022Assignee: HIDEEP INC.Inventors: Seyeob Kim, Bonkee Kim, Youngho Cho, Sein Lee
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Publication number: 20220334702Abstract: An electronic device, according to an embodiment of the disclosure, may comprise: a touchscreen including a first portion and a second portion; a memory; and a processor operatively connected to the touchscreen and the memory. The memory may store instructions that, when executed, cause the processor to: recognize a first point at which a touch input is in contact with the second portion, recognize a second point at which the touch input is separated from the touch screen, recognize at least one third point at which the touch input is periodically in contact with the touch screen in a state in which the touch input is in contact with the touch screen, and activate the touch input based on whether at least one of the second point and the at least one third point is located outside a specified area having a specified radius set with respect to the first point.Type: ApplicationFiled: July 5, 2022Publication date: October 20, 2022Inventors: Youngho CHO, Juhyeon PARK, Kiwon KIM
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Patent number: 11475114Abstract: A terminal for checking a security request level of a fingerprint verification request is provided. The terminal includes a fingerprint recognition sensor configured to acquire a fingerprint image; and a controller configured to check a security request level of a fingerprint verification request when the fingerprint verification request is received, to determine an verification level depending on the security request level, and to perform fingerprint verification in a manner corresponding to the verification level by using the fingerprint image. The controller controls the fingerprint recognition sensor to acquire a fingerprint image of a first level when the security request level is less than or equal to the security request level of a previous verification request that has been completed before the fingerprint verification request, and an elapsed time from the previous verification request is within a threshold time.Type: GrantFiled: June 4, 2018Date of Patent: October 18, 2022Assignee: HIDEEP INC.Inventors: Sein Lee, Youngho Cho, Seyeob Kim, Byung Duck Cho
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Publication number: 20220244806Abstract: An embodiment of the present invention provides a touch device for sensing a position of a stylus including a resonance circuit, including: a plurality of electrode; and a touch controller configured to receive a sensing signal from the electrodes to determine a position of the stylus, wherein the electrodes includes electrodes in which directions of currents induced in the electrodes by the resonance circuit are opposite to each other.Type: ApplicationFiled: January 24, 2022Publication date: August 4, 2022Inventors: Seyeob KIM, Bonkee Kim, Hyoungwook Woo, Hojun Moon, Hwanhee Lee, Jongsik Kim, Youngho Cho
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Publication number: 20220173091Abstract: The present invention relates to a display device, and more particularly, to an Active Matrix Organic Light Emitting Diode (AMOLED) display device including a Touch and Display Driver Integration (TDDI).Type: ApplicationFiled: February 11, 2020Publication date: June 2, 2022Inventors: Seyeob KIM, Bonkee KIM, Youngho CHO
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Publication number: 20220147177Abstract: a touch device according to an exemplary embodiment includes: a plurality of touch electrodes; and a driver/receiver that applies driving signals, each having a frequency corresponding to a resonance frequency of a stylus pen, to the plurality of touch electrodes, and receives detection signals from the plurality of touch electrodes, wherein the driving signals may include a first driving signal and a second driving signal, each having a different phase.Type: ApplicationFiled: January 26, 2022Publication date: May 12, 2022Inventors: Seyeob KIM, Bonkee KIM, Youngho CHO