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公开(公告)号:US20240290298A1
公开(公告)日:2024-08-29
申请号:US18525591
申请日:2023-11-30
Applicant: Samsung Display Co., Ltd.
Inventor: CHUL KIM
CPC classification number: G09G5/10 , A61B5/021 , G06F21/32 , G09G2320/0626
Abstract: A display device includes: a display panel including: a plurality of pixels, each including a light emitting element; and a plurality of sensors, each including a light sensing element; a panel driving circuit to drive the plurality of pixels; a readout circuit to receive a sensing signal from the plurality of sensors; and a controller to control the panel driving circuit and the readout circuit. The controller is to: control the panel driving circuit to set a luminance of pixels in an emission area from among the plurality of pixels to a first luminance level in a fingerprint sensing mode; and control the panel driving circuit to set the luminance of the pixels in the emission area to a second luminance level in a blood pressure sensing mode, and the second luminance level is higher than the first luminance level.
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公开(公告)号:US20240237375A9
公开(公告)日:2024-07-11
申请号:US18354781
申请日:2023-07-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: GYEONG-UB MOON , CHUL KIM , JONGYEOP AN , HYEON JUN LEE , BORAM CHOI
CPC classification number: H10K39/34 , A61B5/02416 , A61B5/1172 , A61B5/6898 , G06V40/1318 , H10K59/8792
Abstract: A display device includes a base layer and a display element layer. The base layer includes a first area and a second area, and the display element layer is disposed on the base layer. In addition, the display element layer includes a first light sensor disposed in the first area and operating at a first operation frequency; and a second light sensor disposed in the second area and operating at a second operation frequency higher than the first operation frequency.
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公开(公告)号:US20230333692A1
公开(公告)日:2023-10-19
申请号:US18103360
申请日:2023-01-30
Applicant: Samsung Display Co., Ltd.
Inventor: CHUL KIM , YUN-HO KIM
CPC classification number: G06F3/04182 , G06F3/0446 , G06F3/046 , G06F2203/04106
Abstract: An electronic device includes: a display layer; a sensor layer on the display layer, and including: a first electrode, and a second electrode adjacent to the first electrode; and a plurality of crossing electrodes; and a driving circuit electrically connected to the sensor layer to control an operation of the sensor layer. The sensor layer is to operate in a first touch mode to sense a first input signal, and a second touch mode to sense a second input signal of an input device to discharge a magnetic field, and the driving circuit is to sense coordinates of the input device based on a signal profile measured based on a first current having a first current direction formed in the first electrode by the input device, and a second current having a second current direction opposite to the first current direction formed in the second electrode by the input device.
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公开(公告)号:US20230025817A1
公开(公告)日:2023-01-26
申请号:US17737141
申请日:2022-05-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: JAEUK CHOI , YUN-HO KIM , CHUL KIM
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:US20220027034A1
公开(公告)日:2022-01-27
申请号:US17367138
申请日:2021-07-02
Applicant: Samsung Display Co., Ltd.
Inventor: WONSANG PARK , YUN-HO KIM , CHUL KIM , SEONGJUN LEE
IPC: G06F3/041 , G06F3/0354 , G06F3/038 , G06F3/044
Abstract: An interface device includes: a display device including a display layer and a sensor layer on the display layer; and an input device configured to receive a first signal from the sensor layer and to output a second signal to the sensor layer, wherein a strength of the second signal is determined according to a separation distance between the display device and the input device.
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公开(公告)号:US20210405847A1
公开(公告)日:2021-12-30
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
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:US20240296785A1
公开(公告)日:2024-09-05
申请号:US18524949
申请日:2023-11-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: CHUL KIM , DONG WOOK YANG
CPC classification number: G09G3/32 , A61B5/02 , G09G2320/0626 , G09G2340/0407
Abstract: An electronic device and a method of driving the electronic device. The electronic device may include: a display panel including a display area, with photo sensors and pixels disposed in the display area; a panel driving circuit configured to cause pixels located in a light emitting area of the display area to emit light; a sensing circuit configured to sense signals of the photo sensors located in a light receiving area of the display area; a memory configured to store at least one application; and a processor configured to vary a setting of at least one of the light emitting area and the light receiving area depending on the application executed with reference to the memory. The electronic device and the method of driving the electronic device may provide a biometric authentication function and a biometric signal measuring function.
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公开(公告)号:US20240138168A1
公开(公告)日:2024-04-25
申请号:US18354781
申请日:2023-07-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: GYEONG-UB MOON , CHUL KIM , JONGYEOP AN , HYEON JUN LEE , BORAM CHOI
CPC classification number: H10K39/34 , A61B5/02416 , A61B5/1172 , A61B5/6898 , G06V40/1318 , H10K59/8792
Abstract: A display device includes a base layer and a display element layer. The base layer includes a first area and a second area, and the display element layer is disposed on the base layer. In addition, the display element layer includes a first light sensor disposed in the first area and operating at a first operation frequency; and a second light sensor disposed in the second area and operating at a second operation frequency higher than the first operation frequency.
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公开(公告)号:US20220206624A1
公开(公告)日:2022-06-30
申请号:US17697552
申请日:2022-03-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: JAEUK CHOI , YUN-HO KIM , CHUL KIM
Abstract: A display device includes a display panel and an input sensor. The input sensor includes a first electrode and a second electrode crossing each other and a bridge pattern at a crossing area of the first electrode and the second electrode. One of the first electrode and the second electrode includes a plurality of center patterns each having a first opening, a plurality of first patterns at one side of the plurality of center patterns and each having a second opening, a plurality of second patterns at another side of the plurality of center patterns and each having a third opening, and a plurality of third patterns for electrically connecting two adjacent patterns from among the plurality of center patterns, the plurality of first patterns, and the plurality of second patterns.
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公开(公告)号:US20220107717A1
公开(公告)日:2022-04-07
申请号:US17361321
申请日:2021-06-29
Applicant: Samsung Display Co., Ltd.
Inventor: SOOJUNG LEE , YUNA KIM , CHUL KIM , WONSANG PARK , SEUNGWOOK CHUN , BORAM CHOI , YUJIN CHOI
Abstract: An electronic device includes: a display panel configured to display an image; an input sensor disposed on the display panel and including first electrodes and second electrodes electrically insulated from the first electrodes; and a sensor controller electrically connected to the input sensor, the sensor controller configured to drive the input sensor in a first driving mode or a second driving mode, wherein: in the first driving mode, the sensor controller is configured to measure a variation of capacitance between the first electrodes and the second electrodes to generate location information of an input, and in the second driving mode, the sensor controller is configured to use a first portion among the first electrodes as a transmission sensing electrode and to use a second portion among the first electrodes as a reception sensing electrode to analyze a body composition.
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