Patents by Inventor Yong-Sub SO
Yong-Sub SO 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: 12175041Abstract: A display device is provided. The display device includes a display unit, a touch unit, a display driver configured to drive the display unit and including a synchronization signal generator, and a touch driver configured to drive the touch unit and including a synchronization signal receiver and a touch signal adjuster, wherein the synchronization signal generator is configured to generate a first synchronization signal supporting a frequency of a display signal applied to the display unit based on input frame frequency information and a second synchronization signal supporting the frequency of the display signal and including the frame frequency information, based on the frame frequency information and the first synchronization signal, and wherein the synchronization signal receiver is configured to receive the horizontal synchronization signal.Type: GrantFiled: July 14, 2022Date of Patent: December 24, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hun Park, Ji Hoon Kim, Yong Sub So
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Publication number: 20240370115Abstract: A touch device includes a touch panel including touch electrodes, and a touch driver adjacent to the touch panel, configured to sense a touch of a user, configured to transmit uplink signals including position information of the touch electrodes to an active pen through at least some of the touch electrodes in a first touch period, and configured to receive a sensing signal including position information of the active pen, which is calculated using the uplink signals, from the active pen in a second touch period after the first touch period.Type: ApplicationFiled: November 13, 2023Publication date: November 7, 2024Inventors: Keum Dong JUNG, Jang Hui KIM, Sang Hun PARK, Yong Sub SO, Da Eun YI, Bo Hwan LEE, Byeong Kyu JEON
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Publication number: 20240310949Abstract: A display device includes: a touch sensing unit on a front surface of an image display area and configured to sense a location of a touch; a display driver circuit configured to select one of first to third temperature sensing modes during a predetermined temperature sensing period and to generate at least one of first to third mode sensing control signals according to the selected temperature sensing mode; and a touch driver circuit configured to generate at least one of first to third temperature sensing map data in response to at least one of the first to third mode sensing control signals, wherein the display driver circuit is configured to compensate for image data based on at least one of the first to third temperature sensing map data and to display an image according to the compensated image data in the display area.Type: ApplicationFiled: October 26, 2023Publication date: September 19, 2024Inventors: Keum Dong JUNG, Sang Hun PARK, Yong Sub SO, Da Eun YI, Bo Hwan LEE, Byeong Kyu JEON
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Patent number: 11842012Abstract: A display device includes: a display panel; a sensor unit on the display panel; a touch driver including a signal processor configured to output a final touch point coordinate using a touch sensing signal received from the sensor unit; and an application processor configured to provide filter size information to the touch driver, wherein the signal processor includes a jitter remover configured to receive a current touch point coordinate from a coordinate calculator and to output the final touch point coordinate from which a jitter component is removed by filtering with a jitter filter, and wherein the jitter remover includes a filter size determiner configured to vary a range of the jitter filter in response to the filter size information.Type: GrantFiled: August 12, 2022Date of Patent: December 12, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yong Sub So, Ji Hoon Kim, Sang Hun Park
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Patent number: 11755140Abstract: A touch sensor includes a sensor cell coupled to a sensor line, a sensor transmitter including a first switch coupled to the sensor line and a power supply which supplies a charging signal to the sensor line during a first period during which the first switch is turned on, and a sensor receiver including a second switch coupled to the sensor line and a sensor channel which receives a sensing signal from the sensor line during a second period during which the second switch is turned on. The sensor receiver further includes a coupling capacitor including a first electrode coupled to the second switch and a second electrode coupled to the sensor channel.Type: GrantFiled: November 10, 2021Date of Patent: September 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hun Park, Yong Sub So
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Publication number: 20230147349Abstract: A display device is provided. The display device includes a display unit, a touch unit, a display driver configured to drive the display unit and including a synchronization signal generator, and a touch driver configured to drive the touch unit and including a synchronization signal receiver and a touch signal adjuster, wherein the synchronization signal generator is configured to generate a first synchronization signal supporting a frequency of a display signal applied to the display unit based on input frame frequency information and a second synchronization signal supporting the frequency of the display signal and including the frame frequency information, based on the frame frequency information and the first synchronization signal, and wherein the synchronization signal receiver is configured to receive the horizontal synchronization signal.Type: ApplicationFiled: July 14, 2022Publication date: May 11, 2023Inventors: Sang Hun Park, Ji Hoon Kim, Yong Sub So
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Patent number: 11635846Abstract: A display device includes a display substrate having a non-display area at least partially surrounding a display area, and pixels in the display area, and a sensor substrate covering the pixels and a portion of the display substrate. The display device also includes first and second pads in the non-display area, a first sensor on the sensor substrate, a first sensor line connecting the first pad and the first sensor, and a second sensor line connecting the second pad and the first sensor. In addition, the display device includes a sensor transmitter to supply a sensing signal to the first pad during a first period, and a sensor receiver to receive a sampling signal from the second pad during a second period after the first period.Type: GrantFiled: August 25, 2021Date of Patent: April 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hun Park, Yong Sub So
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Publication number: 20230094855Abstract: A display device includes: a display panel; a sensor unit on the display panel; a touch driver including a signal processor configured to output a final touch point coordinate using a touch sensing signal received from the sensor unit; and an application processor configured to provide filter size information to the touch driver, wherein the signal processor includes a jitter remover configured to receive a current touch point coordinate from a coordinate calculator and to output the final touch point coordinate from which a jitter component is removed by filtering with a jitter filter, and wherein the jitter remover includes a filter size determiner configured to vary a range of the jitter filter in response to the filter size information.Type: ApplicationFiled: August 12, 2022Publication date: March 30, 2023Inventors: Yong Sub SO, Ji Hoon KIM, Sang Hun PARK
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Publication number: 20220214792Abstract: A touch sensor includes a sensor cell coupled to a sensor line, a sensor transmitter including a first switch coupled to the sensor line and a power supply which supplies a charging signal to the sensor line during a first period during which the first switch is turned on, and a sensor receiver including a second switch coupled to the sensor line and a sensor channel which receives a sensing signal from the sensor line during a second period during which the second switch is turned on. The sensor receiver further includes a coupling capacitor including a first electrode coupled to the second switch and a second electrode coupled to the sensor channel.Type: ApplicationFiled: November 10, 2021Publication date: July 7, 2022Inventors: SANG HUN PARK, Yong Sub SO
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Publication number: 20220206656Abstract: A display device includes a display substrate having a non-display area at least partially surrounding a display area, and pixels in the display area, and a sensor substrate covering the pixels and a portion of the display substrate. The display device also includes first and second pads in the non-display area, a first sensor on the sensor substrate, a first sensor line connecting the first pad and the first sensor, and a second sensor line connecting the second pad and the first sensor. In addition, the display device includes a sensor transmitter to supply a sensing signal to the first pad during a first period, and a sensor receiver to receive a sampling signal from the second pad during a second period after the first period.Type: ApplicationFiled: August 25, 2021Publication date: June 30, 2022Inventors: Sang Hun PARK, Yong Sub SO
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Patent number: 10997392Abstract: An electronic device, including a touch recognition unit; a display unit receiving a signal from the touch recognition unit; a fingerprint recognition unit receiving a signal from the display unit. A processor is configured to transmit and receive a signal to/from the touch recognition unit, the display unit, and the fingerprint recognition unit. The processor may remain in an inactive state while the touch recognition unit, display unit, and fingerprint recognition unit are activated. The processor is activated when a preset user's fingerprint input is provided. A method operates the electronic device.Type: GrantFiled: December 14, 2018Date of Patent: May 4, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong Sub So, Sang Jin Pak, Moon Sang Hwang
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Publication number: 20190197293Abstract: An electronic device, including a touch recognition unit; a display unit receiving a signal from the touch recognition unit; a fingerprint recognition unit receiving a signal from the display unit. A processor is configured to transmit and receive a signal to/from the touch recognition unit, the display unit, and the fingerprint recognition unit. The processor may remain in an inactive state while the touch recognition unit, display unit, and fingerprint recognition unit are activated. The processor is activated when a preset user's fingerprint input is provided. A method operates the electronic device.Type: ApplicationFiled: December 14, 2018Publication date: June 27, 2019Inventors: Yong Sub SO, Sang Jin PAK, Moon Sang HWANG
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Patent number: 10157575Abstract: A display device includes a display panel including data lines, scan lines, and pixels, a scan driver configured to provide a scan signal to the pixels through the scan lines, a data driver configured to provide data signal to the pixels through the data lines, a voltage generator configured to provide an on-bias voltage to the pixels through the data lines, a timing controller configured to generate a first control signal that controls the data driver and a second control signal that controls the voltage generator, and a protection circuit configured to generate a first protection signal and a second protection signal and prevent an overlapping output of the data signal and the on-bias voltage based on the first control signal and the second control signal.Type: GrantFiled: January 24, 2017Date of Patent: December 18, 2018Assignee: Samsung Display Co., Ltd.Inventors: Yong-Sub So, Byung-Hyuk Shin, Myeong-Bin Lim
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Publication number: 20170270864Abstract: A display device includes a display panel including data lines, scan lines, and pixels, a scan driver configured to provide a scan signal to the pixels through the scan lines, a data driver configured to provide data signal to the pixels through the data lines, a voltage generator configured to provide an on-bias voltage to the pixels through the data lines, a timing controller configured to generate a first control signal that controls the data driver and a second control signal that controls the voltage generator, and a protection circuit configured to generate a first protection signal and a second protection signal and prevent an overlapping output of the data signal and the on-bias voltage based on the first control signal and the second control signal.Type: ApplicationFiled: January 24, 2017Publication date: September 21, 2017Inventors: Yong-Sub SO, Byung-Hyuk SHIN, Myeong-Bin LIM