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公开(公告)号：US11880529B2
公开(公告)日：2024-01-23
申请号：US17349796
申请日：2021-06-16
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeuk Choi , Yun-Ho Kim , Chul Kim , Bonghyun You
IPC: G06F3/041 , G06F3/044 , G09G3/3266 , G09G3/00 , G06F3/0354 , G09G3/3275
CPC classification number: G06F3/04166 , G06F3/0443 , G06F3/0446 , G06F3/04162 , G09G3/3266 , G06F3/03545 , G06F2203/04102 , G09G3/035 , G09G3/3275 , G09G2310/0202 , G09G2310/08
Abstract: An display device, includes: an input sensor including: a sensor controller configured to operate in a first mode, in which the first electrode and the second electrode are operated as different groups, or in a second mode, in which the first electrode and the second electrode are operated as a same group, wherein the sensor controller is configured to have an operation time of the first mode, which is longer than an operation time of the second mode, in response to the input sensor operating in the first driving mode during successive sensing periods of a first group, and the sensor controller is configured to have the operation time of the second mode, which is longer than the operation time of the first mode, in response to the input sensor operating in the second driving mode during successive sensing periods of a second group.
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公开(公告)号：US20220269358A1
公开(公告)日：2022-08-25
申请号：US17507954
申请日：2021-10-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Chul Kim , Yun-Ho Kim , Jaeuk Choi
IPC: G06F3/0354 , G06F3/038 , G06F3/041 , G06F3/044 , G06F3/046
Abstract: An electronic pen includes a signal generator, a power supply, and a resonance circuit. The signal generator is configured to generate a signal. The power supply is configured to supply power to the signal generator. The resonance circuit is configured to generate a current based on the signal and emit a magnetic field based on the current.
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公开(公告)号：US11928280B2
公开(公告)日：2024-03-12
申请号：US17737141
申请日：2022-05-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jaeuk Choi , Yun-Ho Kim , Chul Kim
CPC classification number: G06F3/04164 , G06F3/0412 , G06F3/041662 , G06F3/0443 , G06F3/0446 , G06F2203/04111
Abstract: An electronic device includes a display panel, an input sensor disposed on the display panel and including a plurality of sensing electrodes and a plurality of sensing lines connected to the sensing electrodes, and a driving circuit that drives the input sensor and generates a control signal based on a type of input applied to the input sensor. The sensing lines include a first sensing line electrically connecting first ends of the sensing electrodes adjacent to each other among the sensing electrodes, and a second sensing line connecting at least one of second ends, which are opposite to the first ends, of the adjacent sensing electrodes to the driving circuit and selectively connecting other sensing electrodes to the driving circuit or a reference electric potential in response to the control signal.
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公开(公告)号：US11782566B2
公开(公告)日：2023-10-10
申请号：US17937439
申请日：2022-09-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Minsoo Kim , Jaeuk Choi , Yun-Ho Kim
CPC classification number: G06F3/0446 , G06F3/0412 , G06F3/0448 , H10K59/40 , G06F2203/04111 , G06F2203/04112
Abstract: An electronic device including a display layer and a sensor layer including a plurality of sensing units. Each of the plurality of sensing units includes at least one sub sensing unit. The at least one sub sensing unit includes a first pattern including a first portion and a second portion, a first cross pattern including a first cross portion and a second cross portion, a second cross pattern, and a bridge pattern. The second portion extends in a first cross direction crossing the first direction and a second direction crossing the first direction to face the first cross portion, and the second cross portion extends in the first cross direction to face the first portion.
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公开(公告)号：US11474639B2
公开(公告)日：2022-10-18
申请号：US17219608
申请日：2021-03-31
Applicant: Samsung Display Co., Ltd.
Inventor： Yun-Ho Kim , Chul Kim , Jaeuk Choi
Abstract: An electronic device includes: a sensor layer having an active area and a peripheral area; a driving chip electrically connected to the sensor layer, wherein the sensor layer comprises a plurality of sensing units on the active area and a plurality of lines on the peripheral area and respectively electrically connected to the plurality of sensing units, each of the plurality of sensing units comprises a plurality of sub sensing units, the plurality of sub sensing units comprise a first sub sensing unit and a second sub sensing unit, the plurality of lines comprise a first line electrically connected to the first sub sensing unit and a second line electrically connected to the second sub sensing unit, and the plurality of switches comprises a first switch connected between the first line and the second line and a second switch connected between the first line and the driving chip.
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Patent Agency Ranking
公开(公告)号：US12260051B2
公开(公告)日：2025-03-25
申请号：US18331435
申请日：2023-06-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jaeuk Choi , Yun-Ho Kim
IPC: G06F3/044
Abstract: An electronic device includes a first sensing group that includes a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction that crosses the first direction, and a second sensing group that includes a central electrode and a plurality of peripheral electrodes disposed in a plurality of openings formed in some of the plurality of first electrodes. At least one first electrode of the plurality of first electrodes or at least one second electrode of the plurality of second electrodes is interposed between the central electrode and each of the plurality of peripheral electrodes.
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公开(公告)号：US11797126B2
公开(公告)日：2023-10-24
申请号：US17814976
申请日：2022-07-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jaeuk Choi , Yun-Ho Kim
CPC classification number: G06F3/0418 , G06F3/046 , G06F3/04162 , G06F3/0443
Abstract: A display device includes a display panel displaying an image, an input sensing layer disposed on the display panel that resonates with an electromagnetic signal provided from an external input device in a first frame to generate a first sensing signal, and a sensing controller including a calculation unit calculating input information of the external input device based on the first sensing signal. The input sensing layer includes a first sensing area, a non-sensing area, and a second sensing area defined between the non-sensing area and the first sensing area, the sensing controller includes a correction unit correcting an edge signal to generate a correction edge signal when the first sensing signal is the edge signal generated in the second sensing area, and the calculation unit calculates edge input information provided to the second sensing area as input information based on the correction edge signal.
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公开(公告)号：US11561643B2
公开(公告)日：2023-01-24
申请号：US17221714
申请日：2021-04-02
Applicant: Samsung Display Co., Ltd.
Inventor： Yun-Ho Kim , Chui Kim , Wonsang Park , Jaeuk Choi
Abstract: An electronic device in some embodiments includes: a display layer configured to display an image based on image data and having a plurality of regions defined thereon; a sensor layer on the display layer; and a sensor driver configured to receive image information data calculated based on the image data, to generate an output signal based on the image information data, and to provide the output signal to the sensor layer, wherein the image information data includes noise information on the image, the noise information being calculated based on the plurality of regions. Some embodiments may include the electronic device included in an interface device.
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公开(公告)号：US20220181394A1
公开(公告)日：2022-06-09
申请号：US17341139
申请日：2021-06-07
Applicant: Samsung Display Co., Ltd.
Inventor： Gyeong-Ub Moon , Yun-Ho Kim , Chul Kim , Jaeuk Choi
Abstract: A display device includes: a display panel; an input sensor on the display panel; a panel driving circuit to drive the display panel, and to output a synchronization signal; and a sensor controller to control the input sensor. The sensor controller determines a sensing mode in response to the synchronization signal, and changes the sensing mode to a second sensing mode when the synchronization signal is activated in a first sensing mode.
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公开(公告)号：US11637155B2
公开(公告)日：2023-04-25
申请号：US17341139
申请日：2021-06-07
Applicant: Samsung Display Co., Ltd.
Inventor： Gyeong-Ub Moon , Yun-Ho Kim , Chui Kim , Jaeuk Choi
Abstract: A display device includes: a display panel; an input sensor on the display panel; a panel driving circuit to drive the display panel, and to output a synchronization signal; and a sensor controller to control the input sensor. The sensor controller determines a sensing mode in response to the synchronization signal, and changes the sensing mode to a second sensing mode when the synchronization signal is activated in a first sensing mode.
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