公开(公告)号：US20240273939A1

公开(公告)日：2024-08-15

申请号：US18501042

申请日：2023-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： CHUL KIM

IPC: G06V40/12 ,  G06F3/041 ,  G06F3/044 ,  G06V40/13 ,  G09G3/3233

CPC classification number: G06V40/1347 ,  G06F3/04182 ,  G06F3/0443 ,  G06V40/1318 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2354/00

Abstract: A display device is disclosed that includes a plurality of pixels and plurality of sensors. Each of the plurality of pixels includes a light emitting element. The plurality of sensors include first sensors disposed in a first area and second sensors disposed in a second area. Each of the plurality of sensors includes a light receiving element. The scan driver supplies a plurality of scan signals to the plurality of pixels and the plurality of sensors. In response to the plurality of scan signals, the readout circuit receives a first sensing signal from the first sensors, receives a second sensing signal from the second sensors, and removes noise from the first sensing signal using the second sensing signal to produce a final sensing signal.

公开(公告)号：US20230113603A1

公开(公告)日：2023-04-13

申请号：US18064963

申请日：2022-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHUL KIM ,  YUN-HO KIM ,  JAEUK CHOI

IPC: G06F3/0354 ,  G06F3/044 ,  G06F3/038 ,  G06F3/041 ,  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.

公开(公告)号：US20220350426A1

公开(公告)日：2022-11-03

申请号：US17544280

申请日：2021-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： CHUL KIM ,  YUN-HO KIM

IPC: G06F3/0354 ,  H01L27/32 ,  G06F3/044

Abstract: An electronic device includes a display layer, a sensor layer disposed on the display layer, and a lower member that is disposed under the display layer and includes a first shielding layer. The sensor layer operates in a first touch mode for sensing a first input based on a capacitance change and a second touch mode for sensing a second input of an input device that is configured to emit a magnetic field, and the first shielding layer shields the magnetic field that is transmitted through the sensor layer.

公开(公告)号：US20210141492A1

公开(公告)日：2021-05-13

申请号：US17152722

申请日：2021-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： KANGWON LEE ,  INCHEOL KIM ,  UNG CHOI ,  Won-ki HONG ,  SEUNGHO NAM ,  JIHONG PARK ,  CHUL KIM ,  HOJIN BYUN ,  Kiseok CHA

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/20

Abstract: A display device including a display panel having a first area, a second area, and a plurality of pixels to provide an image during a frame period, and a touch panel including a first touch part including first and second touch coils insulated from each other, and a second touch part including first touch electrodes and second touch electrodes insulated each other, in which corresponding second scan signals are applied to the first touch electrodes disposed in the first area when corresponding first scan signals are applied to the first touch coils disposed in the second area during a first period of the frame period, the second touch coils are configured to provide first sensing signals according to a resonant frequency of an input device, and the second touch electrodes are configured to provide second sensing signals according to a variation in a capacitance.

公开(公告)号：US20230062749A1

公开(公告)日：2023-03-02

申请号：US17806470

申请日：2022-06-10

Applicant: Samsung Display Co., Ltd.

Inventor： CHUL KIM

IPC: G06F3/038 ,  G06F3/046 ,  G06F3/0354 ,  G06F3/041

Abstract: An input device includes a housing, a power supply disposed within the housing, a controller disposed within the housing and that receives power from the power supply, a resonance circuit disposed within the housing and that generates a first type signal based on a signal received from the controller, and a conductor disposed within the housing and that transfers a second type signal received from the controller, and the first type signal and the second type signal have different waveforms from each other.

公开(公告)号：US20220221958A1

公开(公告)日：2022-07-14

申请号：US17712170

申请日：2022-04-03

Applicant: Samsung Display Co, Ltd.

Inventor： KANGWON LEE ,  INCHEOL KIM ,  UNG CHOI ,  WON-KI HONG ,  SEUNGHO NAM ,  JIHONG PARK ,  CHUL KIM ,  HOJIN BYUN ,  KISEOK CHA

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/20

Abstract: A display device including a display panel having a first area, a second area, and a plurality of pixels to provide an image during a frame period, and a touch panel including a first touch part including first and second touch coils insulated from each other, and a second touch part including first touch electrodes and second touch electrodes insulated each other, in which corresponding second scan signals are applied to the first touch electrodes disposed in the first area when corresponding first scan signals are applied to the first touch coils disposed in the second area during a first period of the frame period, the second touch coils are configured to provide first sensing signals according to a resonant frequency of an input device, and the second touch electrodes are configured to provide second sensing signals according to a variation in a capacitance.

公开(公告)号：US20220130305A1

公开(公告)日：2022-04-28

申请号：US17377382

申请日：2021-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： HYEON JUN LEE ,  CHUL KIM ,  HEE SEOMOON ,  TAEHEE LEE

IPC: G09G3/16 ,  G06F3/041 ,  A61B5/024 ,  H04N5/33 ,  H01L31/09

Abstract: An electronic device includes: a display module including a display panel and an input sensor disposed on the display panel, the display panel having a first area including a plurality of pixels and a second area having a transmittance higher than that of the first area; a first sensor disposed below the display module, overlapping the second area, and configured to measure a first signal having biometric information of a user; a second sensor disposed to surround the first sensor, overlapping the first area, and configured to measure a second signal applied from the user; and a driving unit connected to the display module, the first sensor, and the second sensor, the driving unit configured to drive the first sensor and the second sensor together with the display module.

公开(公告)号：US20210064841A1

公开(公告)日：2021-03-04

申请号：US16987908

申请日：2020-08-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHUL KIM

IPC: G06K9/00 ,  G06F3/046 ,  G06F3/041

Abstract: A sensing panel includes a sensing base layer, a first group of fingerprint sensing pixels disposed on a first region of the sensing base layer and connected to a plurality of fingerprint scan lines and a plurality of first fingerprint receiving lines, and a first pen sensing pixel disposed on a second region of the sensing base layer and connected to a pen scan line, a first pen transmission line, and a first pen receiving line. The first pen sensing pixel includes a first sensing coil surrounding the first region of the sensing base layer on which the first group of fingerprint sensing pixels are disposed. A portion of the first sensing coil is adjacent to a first fingerprint sensing pixel of the first group of fingerprint sensing pixels.

公开(公告)号：US20240374152A1

公开(公告)日：2024-11-14

申请号：US18516440

申请日：2023-11-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHUL KIM ,  GYEONG UB MOON ,  JONG YEOP AN ,  DONG WOOK YANG

IPC: A61B5/021 ,  A61B5/00

Abstract: A display device includes a display panel including a plurality of light emitting elements, a cover glass covering an upper surface of the display panel and including a first area overlapping the display panel and a second area adjacent to the first area, a black matrix overlapping the second area of the cover glass, a pressure sensor overlapping the black matrix under the cover glass and configured to sense a pressure applied through the cover glass, and a set frame covering a lower surface of the display panel. The set frame includes a support contacting the pressure sensor on an upper surface of the set frame facing the cover glass.

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

IPC: G09G5/10 ,  A61B5/021 ,  G06F21/32

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.