Patents by Inventor Sun-Yeop KIM
Sun-Yeop KIM 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: 11925112Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.Type: GrantFiled: December 6, 2022Date of Patent: March 5, 2024Assignee: DUK SAN NEOLUX CO., LTD.Inventors: Je Woo Lee, Hyun Ji Oh, Sun Hee Lee, Won Sam Kim, Byoung Yeop Kang
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Patent number: 11494030Abstract: A display device having touch sensors and a method of driving the same are disclosed. The display device includes a display panel including a pixel array including pixels and a touch sensor array including touch sensors formed in the pixel array, the pixel array being divided into blocks, a gate driver to sequentially drive a plurality of gate lines in the pixel array in a block unit, a data driver to drive a plurality of data lines in the pixel array when the gate lines are driven, a touch controller to sequentially drive the touch sensor arrays in the block unit, and a timing controller to divide one frame into at least one display mode at which the pixel array is driven and at least one touch sensing mode at which the touch sensor array is driven and to control the gate drive, the data driver and the touch controller so that the display mode and the touch sensing mode alternate.Type: GrantFiled: March 1, 2017Date of Patent: November 8, 2022Assignee: LG Display Co., Ltd.Inventors: Kyo-Hyuck Choo, Jung-Hoon Seo, Sang-Soo Hwang, Sun-Yeop Kim
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Patent number: 10372257Abstract: A liquid crystal display device is disclosed, which may compensate for a common voltage by reflecting all of noises by which a plurality of common electrodes are affected. The liquid crystal display device comprises a liquid crystal display panel including a plurality of data lines, a plurality of gate lines crossing the data lines, and a plurality of pixels provided at crossing regions of the data lines and the gate lines and including pixel electrodes and common electrodes to which a common voltage is supplied, wherein a common electrode of the common electrodes is shared by two or more of the plurality of pixels. The liquid crystal display panel also includes a plurality of feedback lines that overlap the common electrodes, the plurality of feedback lines receiving a variation of the common voltage that is reflected by the common electrodes onto the plurality of feedback lines.Type: GrantFiled: October 26, 2015Date of Patent: August 6, 2019Assignee: LG Display Co., Ltd.Inventors: Hoon Bae Kim, Sun Yeop Kim, Sung Yub Lee, Seong Kyu Kang
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Publication number: 20170177154Abstract: A display device having touch sensors and a method of driving the same are disclosed. The display device includes a display panel including a pixel array including pixels and a touch sensor array including touch sensors formed in the pixel array, the pixel array being divided into blocks, a gate driver to sequentially drive a plurality of gate lines in the pixel array in a block unit, a data driver to drive a plurality of data lines in the pixel array when the gate lines are driven, a touch controller to sequentially drive the touch sensor arrays in the block unit, and a timing controller to divide one frame into at least one display mode at which the pixel array is driven and at least one touch sensing mode at which the touch sensor array is driven and to control the gate drive, the data driver and the touch controller so that the display mode and the touch sensing mode alternate.Type: ApplicationFiled: March 1, 2017Publication date: June 22, 2017Applicant: LG Display Co., Ltd.Inventors: Kyo-Hyuck CHOO, Jung-Hoon SEO, Sang-Soo HWANG, Sun-Yeop KIM
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Patent number: 9606658Abstract: Disclosed is a display device with an integrated touch screen. The display device includes a panel configured to operate in a display driving mode and a touch driving mode, the panel including a plurality of driving electrodes, a plurality of sensing electrodes, and a plurality of data lines including a plurality of first data lines and a plurality of second data lines; and a display driver integrated circuit (IC) configured to apply data voltages to the plurality of first data lines and the plurality of second data lines during the display driving mode of the panel, and the display driver IC configured to apply a ground voltage to the plurality of first data lines and float the plurality of second data lines during the touch driving mode of the panel.Type: GrantFiled: September 25, 2014Date of Patent: March 28, 2017Assignee: LG Display Co., Ltd.Inventors: Sun Yeop Kim, Jae Sung Yu, Young Joon Lee, Nam Hun Oh
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Patent number: 9606655Abstract: A display device having touch sensors and a method of driving the same are disclosed. The display device includes a display panel including a pixel array including pixels and a touch sensor array including touch sensors formed in the pixel array, the pixel array being divided into blocks, a gate driver to sequentially drive a plurality of gate lines in the pixel array in a block unit, a data driver to drive a plurality of data lines in the pixel array when the gate lines are driven, a touch controller to sequentially drive the touch sensor arrays in the block unit, and a timing controller to divide one frame into at least one display mode at which the pixel array is driven and at least one touch sensing mode at which the touch sensor array is driven and to control the gate drive, the data driver and the touch controller so that the display mode and the touch sensing mode alternate.Type: GrantFiled: September 8, 2011Date of Patent: March 28, 2017Assignee: LG Display Co., Ltd.Inventors: Kyo-Hyuck Choo, Jung-Hoon Seo, Sang-Soo Hwang, Sun-Yeop Kim
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Patent number: 9423907Abstract: Discussed is a display device with integrated touch screen and a method of driving the same. The display device includes a panel including a plurality of driving electrodes and a plurality of sensing electrodes, a touch IC, and a display driver IC. The touch IC generates a first driving pulse, and determines whether there is a touch using a plurality of sensing signals generated by the sensing electrodes. When the panel operates a touch driving mode, the display driver IC generates a second driving pulse with the first driving pulse to apply the second driving pulse to the driving electrodes and receives the sensing signals from the respective sensing electrodes to transfer the sensing signals to the touch IC.Type: GrantFiled: September 12, 2013Date of Patent: August 23, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Young Joon Lee, Sun Yeop Kim, Sung Yub Lee
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Publication number: 20160180781Abstract: A liquid crystal display device is disclosed, which may compensate for a common voltage by reflecting all of noises by which a plurality of common electrodes are affected. The liquid crystal display device comprises a liquid crystal display panel including a plurality of data lines, a plurality of gate lines crossing the data lines, and a plurality of pixels provided at crossing regions of the data lines and the gate lines and including pixel electrodes and common electrodes to which a common voltage is supplied, wherein a common electrode of the common electrodes is shared by two or more of the plurality of pixels. The liquid crystal display panel also includes a plurality of feedback lines that overlap the common electrodes, the plurality of feedback lines receiving a variation of the common voltage that is reflected by the common electrodes onto the plurality of feedback lines.Type: ApplicationFiled: October 26, 2015Publication date: June 23, 2016Inventors: Hoon Bae KIM, Sun Yeop KIM, Sung Yub LEE, Seong Kyu KANG
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Patent number: 9329674Abstract: A display device with integrated touch screen is provided. The display device may include a panel, a display driver IC, and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The display driver IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the display driver IC may apply a common voltage to the driving electrodes and sensing electrodes. The touch IC may generate the driving pulse and apply the driving pulse to the display driver IC, and may receive the sensing signals from the display driver IC to determine whether there is a touch. The touch IC may include a sensing unit sensing whether there is a touch.Type: GrantFiled: November 14, 2012Date of Patent: May 3, 2016Assignee: LG Display Co., Ltd.Inventors: Young Joon Lee, Sun Yeop Kim, Sung Yub Lee
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Publication number: 20150185936Abstract: Disclosed is a display device with an integrated touch screen. The display device includes a panel configured to operate in a display driving mode and a touch driving mode, the panel including a plurality of driving electrodes, a plurality of sensing electrodes, and a plurality of data lines including a plurality of first data lines and a plurality of second data lines; and a display driver integrated circuit (IC) configured to apply data voltages to the plurality of first data lines and the plurality of second data lines during the display driving mode of the panel, and the display driver IC configured to apply a ground voltage to the plurality of first data lines and float the plurality of second data lines during the touch driving mode of the panel.Type: ApplicationFiled: September 25, 2014Publication date: July 2, 2015Inventors: Sun Yeop KIM, Jae Sung YU, Young Joon LEE, Nam Hun OH
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Patent number: 9063624Abstract: A display device with integrated touch screen is provided. The display device may include a panel and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The touch IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes to determine whether there is a touch when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the touch IC may apply a common voltage to the plurality of driving electrodes and sensing electrodes. The touch IC may include a sensing unit sensing whether there is a touch by use of a touch sensing reference voltage applied to the sensing unit and having the same level as a minimum voltage of the driving pulse.Type: GrantFiled: November 13, 2012Date of Patent: June 23, 2015Assignee: LG Display Co., Ltd.Inventors: Young Joon Lee, Sang Soo Hwang, Sun Yeop Kim
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Patent number: 8952913Abstract: Disclosed is a display device. The display device includes a panel, a display driver IC, and a touch IC. The panel includes a plurality of driving electrodes and a plurality of sensing electrodes. The display driver IC outputs a common voltage to the driving electrode and the sensing electrode in a display driving interval, outputs a reference voltage to the driving electrode during a touch non-sensing period in a touch driving interval, and outputs a driving pulse to the driving electrode to receive a sensing signal from the sensing electrode during a touch sensing period in the touch driving interval. The touch IC transfers a control signal and a selection signal for selecting the touch sensing period and the touch non-sensing period to the display driver, and senses whether there is a touch with the sensing signal and the reference voltage.Type: GrantFiled: December 10, 2012Date of Patent: February 10, 2015Assignee: LG Display Co., Ltd.Inventors: Young Joon Lee, Sang Soo Hwang, Sun Yeop Kim, Sung Yub Lee
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Publication number: 20140184534Abstract: Discussed is a display device with integrated touch screen and a method of driving the same. The display device includes a panel including a plurality of driving electrodes and a plurality of sensing electrodes, a touch IC, and a display driver IC. The touch IC generates a first driving pulse, and determines whether there is a touch using a plurality of sensing signals generated by the sensing electrodes. When the panel operates a touch driving mode, the display driver IC generates a second driving pulse with the first driving pulse to apply the second driving pulse to the driving electrodes and receives the sensing signals from the respective sensing electrodes to transfer the sensing signals to the touch IC.Type: ApplicationFiled: September 12, 2013Publication date: July 3, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Young Joon LEE, Sun Yeop KIM, Sung Yub LEE
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Publication number: 20140111446Abstract: Disclosed is a display device. The display device includes a panel, a display driver IC, and a touch IC. The panel includes a plurality of driving electrodes and a plurality of sensing electrodes. The display driver IC outputs a common voltage to the driving electrode and the sensing electrode in a display driving interval, outputs a reference voltage to the driving electrode during a touch non-sensing period in a touch driving interval, and outputs a driving pulse to the driving electrode to receive a sensing signal from the sensing electrode during a touch sensing period in the touch driving interval. The touch IC transfers a control signal and a selection signal for selecting the touch sensing period and the touch non-sensing period to the display driver, and senses whether there is a touch with the sensing signal and the reference voltage.Type: ApplicationFiled: December 10, 2012Publication date: April 24, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Young Joon Lee, Sang Soo Hwang, Sun Yeop Kim, Sung Yub Lee
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Publication number: 20130335343Abstract: A display device with integrated touch screen is provided. The display device may include a panel, a display driver IC, and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The display driver IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the display driver IC may apply a common voltage to the driving electrodes and sensing electrodes. The touch IC may generate the driving pulse and apply the driving pulse to the display driver IC, and may receive the sensing signals from the display driver IC to determine whether there is a touch. The touch IC may include a sensing unit sensing whether there is a touch.Type: ApplicationFiled: November 14, 2012Publication date: December 19, 2013Applicant: LG DISPLAY CO., LTD.Inventors: Young Joon Lee, Sun Yeop Kim, Sung Yub Lee
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Publication number: 20130335366Abstract: A display device with integrated touch screen is provided. The display device may include a panel and a touch IC. The panel may include a plurality of driving electrodes and sensing electrodes. The touch IC may apply a driving pulse to the driving electrodes and receive a plurality of sensing signals from the sensing electrodes to determine whether there is a touch when the panel operates in a touch driving mode, and, when the panel operates in a display driving mode, the touch IC may apply a common voltage to the plurality of driving electrodes and sensing electrodes. The touch IC may include a sensing unit sensing whether there is a touch by use of a touch sensing reference voltage applied to the sensing unit and having the same level as a minimum voltage of the driving pulse.Type: ApplicationFiled: November 13, 2012Publication date: December 19, 2013Applicant: LG DISPLAY CO., LTD.Inventors: Young Joon Lee, Sang Soo Hwang, Sun Yeop Kim
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Publication number: 20120056835Abstract: A display device having touch sensors and a method of driving the same are disclosed. The display device includes a display panel including a pixel array including pixels and a touch sensor array including touch sensors formed in the pixel array, the pixel array being divided into blocks, a gate driver to sequentially drive a plurality of gate lines in the pixel array in a block unit, a data driver to drive a plurality of data lines in the pixel array when the gate lines are driven, a touch controller to sequentially drive the touch sensor arrays in the block unit, and a timing controller to divide one frame into at least one display mode at which the pixel array is driven and at least one touch sensing mode at which the touch sensor array is driven and to control the gate drive, the data driver and the touch controller so that the display mode and the touch sensing mode alternate.Type: ApplicationFiled: September 8, 2011Publication date: March 8, 2012Inventors: Kyo-Hyuck CHOO, Jung-Hoon SEO, Sang-Soo HWANG, Sun-Yeop KIM