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公开(公告)号：US20240119877A1
公开(公告)日：2024-04-11
申请号：US18446195
申请日：2023-08-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： YONGSUB SO , KEUMDONG JUNG , SANGHUN PARK , DA EUN YI , BO-HWAN LEE , BYEONGKYU JEON
IPC: G09G3/02
CPC classification number: G09G3/025 , G09G2300/0804 , G09G2310/021 , G09G2310/0213 , G09G2310/08 , G09G2360/12 , G09G2370/22
Abstract: A display device includes a display panel, an input sensor disposed on the display panel and sensing an input during a sensing frame period, a display controller receiving a vertical synchronization signal and a horizontal synchronization signal and controlling driving of the display panel in response to the vertical synchronization signal and the horizontal synchronization signal, and a sensor controller providing a transmission signal including a plurality of sampling periods to the input sensor. The display controller provides frequency information of a display frame period to the sensor controller using at least one of the vertical synchronization signal and the horizontal synchronization signal, and the sensor controller controls the number of the sampling periods of the sensing frame period based on the frequency information.
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公开(公告)号：US20250103159A1
公开(公告)日：2025-03-27
申请号：US18825670
申请日：2024-09-05
Applicant: Samsung Display Co., Ltd.
Inventor： BO-HWAN LEE , SANGHUN PARK , BYEONGKYU JEON
Abstract: A display device includes a display layer, and a sensor layer having a sensing region and a second sensing region. The sensor layer includes a plurality of first transmission electrodes and a plurality of second transmission electrodes, a first transmission signal having a first waveform and a second transmission signal having a second waveform are provided to the plurality of first transmission electrodes, a third transmission signal having the second waveform and a fourth transmission signal having the first waveform are provided to the plurality of second transmission electrodes, and the first to fourth transmission signals are provided concurrently.
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公开(公告)号：US20250085808A1
公开(公告)日：2025-03-13
申请号：US18742275
申请日：2024-06-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： SANGHUN PARK , JASEUNG KU , JINWOO KIM , BO-HWAN LEE , SANGHYUN LIM , BYEONGKYU JEON
Abstract: A touch sensor apparatus includes a touch sensor and a transistor. The transistor is connected to the touch sensor. The transistor includes a first electrode configured to receive a first touch driving signal, a control electrode configured to receive a second touch driving signal and a second electrode connected to the touch sensor. A phase of the first touch driving signal is substantially the same as a phase of the second touch driving signal.
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公开(公告)号：US20240118769A1
公开(公告)日：2024-04-11
申请号：US18450362
申请日：2023-08-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： YONGSUB SO , SANGHUN PARK , DA EUN YI , BO-HWAN LEE , BYEONGKYU JEON , KEUMODONG JUNG
CPC classification number: G06F3/0418 , G06F3/0446
Abstract: An input sensing device includes a sensor that includes a plurality of first electrodes and a plurality of second electrodes, and a sensor driver that operates in a first sensing mode and a second sensing mode. During the first sensing mode, the sensor driver generates a first sensing signal by transmitting transmission signals to the sensor and receiving reception signals from the sensor. During the second sensing mode, the sensor driver generates a second sensing signal by transmitting the transmission signals to the sensor and receiving the reception signals from the sensor. The sensor driver selects one of a plurality of compensation maps based on the first sensing signal, compensates for the second sensing signal based on the selected compensation map, and outputs the compensated sensing signal.
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