Patents by Inventor Suyun JU
Suyun JU 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: 11487371Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.Type: GrantFiled: May 11, 2020Date of Patent: November 1, 2022Assignee: LG Display Co., Ltd.Inventors: CheolSe Kim, BuYeol Lee, YongChan Park, Suyun Ju
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Patent number: 11467679Abstract: Disclosed is a touch screen device for transmitting button manipulation information based on a touch pen without using a separate wireless communication module. The touch screen device includes a touch screen including a plurality of touch electrodes, a touch driving circuit applying a touch electrode driving signal to the plurality of touch electrodes, and a touch pen receiving the touch electrode driving signal applied to the plurality of touch electrodes and transmitting a pen output signal to the touch screen in response to the received touch electrode driving signal. The touch pen includes at least one button, and when a user manipulates the at least one button, the touch pen adjusts the pen output signal.Type: GrantFiled: December 4, 2015Date of Patent: October 11, 2022Assignee: LG DISPLAY CO, LTD.Inventors: Suyun Ju, SungChul Kim, SangHyuck Bae, Sungsu Han, DoYoung Jung
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Patent number: 11243644Abstract: A touch display device comprises a touch panel including a plurality of touch electrodes; and a touch driving circuit configured to sense one or more of the plurality of touch electrodes, wherein the touch driving circuit has an operation period including a plurality of touch intervals that includes a first sensing interval and a second sensing interval, and the first sensing interval includes at least a first time division sensing interval and the second sensing interval includes at least a second time division sensing interval, and wherein the touch driving circuit is configured to detect a pen signal output from a first pen through one or more touch electrodes of the plurality of touch electrodes during the first time division sensing interval, and detect a pen signal output from a second pen through one or more touch electrodes of the plurality of touch electrodes during the second time division sensing interval.Type: GrantFiled: December 24, 2019Date of Patent: February 8, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Suyun Ju, HyungUk Jang, Sungsu Han, DoYoung Jung, SangHyuck Bae, Jongsung Kim
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Patent number: 11048360Abstract: Disclosed are a touch display device, a touch circuit, a pen, a touch system, and a multi-pen sensing method for receiving downlink signals output from two or more pens through one or more touch electrodes on a panel and distinguishably sensing the two or more pens based on unique information of the received downlink signals.Type: GrantFiled: September 25, 2018Date of Patent: June 29, 2021Assignee: LG DISPLAY CO., LTD.Inventors: HyungUk Jang, SeungSeok Oh, SangHyuck Bae, Sungsu Han, Suyun Ju, DoYoung Jung
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Patent number: 11029790Abstract: A touch display device may include: a panel including a plurality of touch electrodes, and a touch circuit configured to: transfer a panel driving signal to the panel, and receive a pen information signal, output from a pen in response to the panel driving signal, through the panel, each of the panel driving signal and the pen information signal including a plurality of pulses, the pen information signal including one or more state sections among: an in-phase state section including pulses in phase with the pulses of the panel driving signal, an antiphase state section including pulses having a different phase from the pulses of the panel driving signal, and a passive state section distinguished from the in-phase state section and the antiphase state section.Type: GrantFiled: February 26, 2020Date of Patent: June 8, 2021Assignee: LG Display Co., Ltd.Inventors: Suyun Ju, HyungUk Jang, SangHyuck Bae, DoYoung Jung, SeungSeok Oh, Sungsu Han
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Patent number: 10955964Abstract: A touchscreen display device includes a display panel, a touch sensor, and a touch circuit. The touch sensor is disposed in an area corresponding to the display panel to output an uplink signal including signal intensity information regarding an intensity of a downlink signal output from an active pen. The touch circuit controls the touch sensor to output the uplink signal.Type: GrantFiled: December 18, 2019Date of Patent: March 23, 2021Assignee: LG DISPLAY CO., LTD.Inventors: DoYoung Jung, HyungUk Jang, SangHyuck Bae, Sungsu Han, Suyun Ju, Jongsung Kim
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Patent number: 10838539Abstract: There are provided a touch display device, a touch driving circuit, and a touch sensing method. More specifically, a touch display device includes a touch screen panel including a plurality of touch electrodes and a touch driving circuit configured to output a touch driving signal to at least a portion of the plurality of touch electrodes for sensing a touch. Upon detection of an event in which at least one first area of the touch screen panel is set as a touch sensing area and at least one second area of the touch screen panel is set as a non-touch sensing area, the touch driving circuit is configured to output the touch driving signal to one or more of the plurality of touch electrodes that correspond to the at least one first area of the touch screen panel.Type: GrantFiled: October 30, 2017Date of Patent: November 17, 2020Assignee: LG DISPLAY CO., LTD.Inventors: JuneYoun Hwang, BeomJin Kim, HyungUk Jang, SangHyuck Bae, Sungsu Han, Suyun Ju, DoYoung Jung
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Patent number: 10768719Abstract: The aspects of the present disclosure relate to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, and more particularly, to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, which may receive a first downlink signal and a second downlink signal output from a pen through all or some of a plurality of touch electrodes and may sense the pen based on received signal strength for each touch electrode for the first downlink signal and received signal strength for each touch electrode for the second downlink signal. According to the aspects of the present disclosure, the pen may be accurately sensed even when a user uses the pen in a tilted manner.Type: GrantFiled: December 27, 2018Date of Patent: September 8, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Suyun Ju, HyungUk Jang, SangHyuck Bae, Sungsu Han, DoYoung Jung
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Publication number: 20200264726Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.Type: ApplicationFiled: May 11, 2020Publication date: August 20, 2020Inventors: CheolSe KIM, BuYeol LEE, YongChan PARK, Suyun JU
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Publication number: 20200210021Abstract: A touch display device comprises a touch panel including a plurality of touch electrodes; and a touch driving circuit configured to sense one or more of the plurality of touch electrodes, wherein the touch driving circuit has an operation period including a plurality of touch intervals that includes a first sensing interval and a second sensing interval, and the first sensing interval includes at least a first time division sensing interval and the second sensing interval includes at least a second time division sensing interval, and wherein the touch driving circuit is configured to detect a pen signal output from a first pen through one or more touch electrodes of the plurality of touch electrodes during the first time division sensing interval, and detect a pen signal output from a second pen through one or more touch electrodes of the plurality of touch electrodes during the second time division sensing interval.Type: ApplicationFiled: December 24, 2019Publication date: July 2, 2020Applicant: LG Display Co., Ltd.Inventors: Suyun JU, HyungUk JANG, Sungsu HAN, DoYoung JUNG, SangHyuck BAE, Jongsung KIM
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Publication number: 20200201505Abstract: A touchscreen display device includes a display panel, a touch sensor, and a touch circuit. The touch sensor is disposed in an area corresponding to the display panel to output an uplink signal including signal intensity information regarding an intensity of a downlink signal output from an active pen. The touch circuit controls the touch sensor to output the uplink signal.Type: ApplicationFiled: December 18, 2019Publication date: June 25, 2020Applicant: LG Display Co., Ltd.Inventors: DoYoung JUNG, HyungUk Jang, SangHyuck Bae, Sungsu Han, Suyun Ju, Jongsung Kim
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Patent number: 10691248Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.Type: GrantFiled: September 7, 2016Date of Patent: June 23, 2020Assignee: LG Display Co., Ltd.Inventors: CheolSe Kim, BuYeol Lee, YongChan Park, Suyun Ju
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Publication number: 20200192516Abstract: A touch display device may include: a panel including a plurality of touch electrodes, and a touch circuit configured to: transfer a panel driving signal to the panel, and receive a pen information signal, output from a pen in response to the panel driving signal, through the panel, each of the panel driving signal and the pen information signal including a plurality of pulses, the pen information signal including one or more state sections among: an in-phase state section including pulses in phase with the pulses of the panel driving signal, an antiphase state section including pulses having a different phase from the pulses of the panel driving signal, and a passive state section distinguished from the in-phase state section and the antiphase state section.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Applicant: LG DISPLAY CO., LTD.Inventors: Suyun JU, HyungUk JANG, SangHyuck BAE, DoYoung JUNG, SeungSeok OH, Sungsu HAN
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Patent number: 10664087Abstract: The present disclosure provides an in-cell touch type display device including multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap exiting between the multiple first electrodes and the second electrode such that a capacitor is formed between the multiple first electrodes and the second electrode.Type: GrantFiled: December 30, 2015Date of Patent: May 26, 2020Assignee: LG Display Co., Ltd.Inventors: CheolSe Kim, BuYeol Lee, YongChan Park, Suyun Ju
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Patent number: 10606389Abstract: A touch display device may include: a panel including a plurality of touch electrodes, and a touch circuit configured to: transfer a panel driving signal to the panel, and receive a pen information signal, output from a pen in response to the panel driving signal, through the panel, each of the panel driving signal and the pen information signal including a plurality of pulses, the pen information signal including one or more state sections among: an in-phase state section including pulses in phase with the pulses of the panel driving signal, an antiphase state section including pulses having a different phase from the pulses of the panel driving signal, and a passive state section distinguished from the in-phase state section and the antiphase state section.Type: GrantFiled: October 24, 2017Date of Patent: March 31, 2020Assignee: LG Display Co., Ltd.Inventors: Suyun Ju, HyungUk Jang, SangHyuck Bae, DoYoung Jung, SeungSeok Oh, Sungsu Han
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Patent number: 10496205Abstract: A touch sensing system and a method of driving the same are disclosed. The touch sensing system includes a touch screen integrated display panel provided with a plurality of touch sensors and a plurality of pixels, a timing controller time-dividing one display frame into a plurality of touch periods and a plurality of display periods, a microcontroller unit dividing a sensing mode of the plurality of touch sensors into a full scan mode and a local scan mode, and a touch integrated circuit (IC) sensing a finger touch input of the touch sensors through the touch periods in the full scan mode and time-division sensing a finger touch input and a pen touch input of the touch sensors through the touch periods in the local scan mode.Type: GrantFiled: November 28, 2017Date of Patent: December 3, 2019Assignee: LG Display Co., Ltd.Inventors: Doyoung Jung, Hyunwoo Jang, Hyunguk Jang, Sanghyuck Bae, Suyun Ju
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Patent number: 10474280Abstract: A touch sensing system is disclosed. The touch sensing system includes an active stylus pen that generates a first pen driving signal for detecting a touch input in synchronization with a touch driving signal input from a touch screen and a second pen driving signal for detecting an additional input related to an additional function of the active stylus pen in a touch driving period and outputs the first and second pen driving signals to the touch screen; and a touch driving device that applies the touch driving signal to the touch screen, senses the first pen driving signal in a first period of the touch driving period, and senses the second pen driving signal in a second period of the touch driving period.Type: GrantFiled: December 16, 2016Date of Patent: November 12, 2019Assignee: LG Display Co., Ltd.Inventors: Hyunguk Jang, Cheolse Kim, Sungchul Kim, Sanghyuck Bae, Sungsu Han, Suyun Ju, Doyoung Jung
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Patent number: 10372244Abstract: Disclosed is a touch screen device for transmitting pressure information based on a touch pen without a separate sensor being provided in a touch panel. The touch screen device includes a touch screen and a touch pen transmitting a pen output signal to the touch screen. The touch pen adjusts the pen output signal according to pressure which is applied thereto when the touch pen contacts the touch screen.Type: GrantFiled: December 7, 2015Date of Patent: August 6, 2019Assignee: LG DISPLAY CO., LTD.Inventors: DoYoung Jung, SungChul Kim, SangHyuck Bae, Sungsu Han, Suyun Ju
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Publication number: 20190204939Abstract: The aspects of the present disclosure relate to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, and more particularly, to a touch display device, a touch system, a touch driving circuit, a pen, and a pen sensing method, which may receive a first downlink signal and a second downlink signal output from a pen through all or some of a plurality of touch electrodes and may sense the pen based on received signal strength for each touch electrode for the first downlink signal and received signal strength for each touch electrode for the second downlink signal. According to the aspects of the present disclosure, the pen may be accurately sensed even when a user uses the pen in a tilted manner.Type: ApplicationFiled: December 27, 2018Publication date: July 4, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Suyun Ju, HyungUk Jang, SangHyuck Bae, Sungsu Han, DoYoung Jung
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Patent number: 10324324Abstract: Exemplary embodiments of the present invention relate to a touch technology, and more specifically, to a signal control circuit, a power control circuit, a drive circuit, a timing controller, a touch system, and a touch sensitive display device and a driving method thereof that can simply swing various voltages in a display device for a touch mode period by using a modulated ground voltage obtained by swinging a ground voltage, thereby effectively providing touch driving and preventing unnecessary parasitic capacitance from being generated not only in an active area but also in all other areas.Type: GrantFiled: August 4, 2017Date of Patent: June 18, 2019Assignee: LG Display Co., Ltd.Inventors: SungChul Kim, HyungUk Jang, SangHyuck Bae, Sungsu Han, Suyun Ju, DoYoung Jung