公开(公告)号：US11755145B2

公开(公告)日：2023-09-12

申请号：US17659437

申请日：2022-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghyun Lim

IPC: G06F3/041 ,  G06F3/046 ,  H04M1/02 ,  G06F3/044

CPC classification number: G06F3/04166 ,  G06F3/046 ,  G06F3/0412 ,  G06F3/0445 ,  H04M1/0266 ,  H04M2201/38

Abstract: An interface device includes an electronic device and an input device configured to communicate with the electronic device. The electronic device includes a display layer and a sensing layer disposed under the display layer. The sensing layer transmits a first driving signal to the input device and sensing an input generated by the input device. The input device includes a resonance circuit unit in which a first magnetic field is generated based on the first driving signal, a control unit configured to control the resonance circuit unit, and a power supply unit providing power to the control unit. A second magnetic field is generated by the supply in the resonance circuit unit. The sensing layer senses the input based on the second magnetic field.

公开(公告)号：US11579725B2

公开(公告)日：2023-02-14

申请号：US17513269

申请日：2021-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Gayoung Kim ,  Gwang-Bum Ko ,  Sanghyun Lim

IPC: G06F3/041 ,  G06F3/044

Abstract: An electronic device includes a first sensing electrode provided in an active region, in which a center is defined, the first sensing electrode including a plurality of first sensing patterns, each of which is spaced apart from the center by a first distance, a second sensing electrode including a plurality of second sensing patterns, each of which is spaced apart from the center by the first distance, a first sensing routing line electrically connected to the first sensing electrode, and a second sensing routing line electrically connected to one of the plurality of second sensing patterns. In the active region, a portion of the first sensing routing line and a portion of the second sensing routing line may have a rotational symmetry.

公开(公告)号：US20220036832A1

公开(公告)日：2022-02-03

申请号：US17209250

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghyun Lim

IPC: G09G3/3291 ,  G09G3/3233

Abstract: A display apparatus includes a pixel portion in which a plurality of pixels are arranged, the plurality of pixels being connected to scan lines and data lines; a data driver configured to transmit a data signal to a source output line; a data distributer configured to selectively connect the source output line to the data lines; and a latch portion arranged between the data distributer and the pixel portion, wherein the latch portion includes a plurality of latches connected to at least one of data lines excluding a data line, from among the data lines, connected to the source output line by the data distributer at a timing at which a scan signal is transmitted to the scan lines.

公开(公告)号：US12153751B2

公开(公告)日：2024-11-26

申请号：US18146365

申请日：2022-12-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunjee Jeon ,  Sanghyun Lim

IPC: G06F3/041 ,  G01J1/44 ,  G06F3/044

Abstract: An electronic device includes a display panel, an input sensor that is disposed on the display panel and that includes a first sensing electrode and a second sensing electrode that crosses the first sensing electrode, and an optical sensor disposed on the input sensor. The optical sensor includes a photo-electrode disposed on one of the first sensing electrode and the second sensing electrode and a light receiving element that electrically connects one of the first sensing electrode to the second sensing electrode and the photo-electrode.

公开(公告)号：US12148362B2

公开(公告)日：2024-11-19

申请号：US18234792

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： Kyowon Ku ,  Sanghyun Lim

IPC: G09G3/32

Abstract: An input sensing device includes: an input sensor including a transmission electrode, a first reception electrode, and a second reception electrode; and a readout circuit configured to provide a transmit signal to the transmission electrode, to receive a first receive signal from the first reception electrode, and to receive a second receive signal from the second reception electrode, wherein the readout circuit includes: a switching circuit configured to transfer the first receive signal and the second receive signal to a first node and a second node, respectively, during a touch sensing period and to transfer one of the first receive signal and the second receive signal to the first node and the second node during a compensation period; a first output circuit configured to convert a signal of the first node into a first sensing signal; and a second output circuit configured to convert a signal of the second node into a second sensing signal.

公开(公告)号：US11943991B2

公开(公告)日：2024-03-26

申请号：US18110922

申请日：2023-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Jae Lee ,  Sanghyun Lim

IPC: H10K59/40 ,  G06F3/044 ,  H01Q1/24 ,  H04M1/02

CPC classification number: H10K59/40 ,  G06F3/0446 ,  H01Q1/243 ,  H04M1/0266 ,  G06F2203/04111 ,  H04M2250/22

Abstract: An electronic device may include a display layer which includes light-emitting regions and a non-light-emitting region disposed adjacent to the light-emitting regions, an antenna pattern which includes first antenna conductive lines extending in a first direction, and a sensor layer. The sensor layer may include a first pattern which is at least partially overlapped with the antenna pattern and a second pattern which is not overlapped with the antenna pattern. The first pattern comprises third sensing conductive lines which extend in the second direction and are spaced apart from each other in the first direction. A portion of the first pattern which is overlapped with the antenna pattern may not include conductive lines extending in the first direction. A portion of the antenna pattern which is overlapped with the first pattern may not include conductive lines extending in the second direction.

公开(公告)号：US11846966B2

公开(公告)日：2023-12-19

申请号：US17987645

申请日：2022-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Gayoung Kim ,  Sanghyun Lim

IPC: G06F3/044 ,  H10K59/40 ,  G06F3/041

CPC classification number: G06F3/0446 ,  H10K59/40 ,  G06F3/0412

Abstract: An electronic device includes: a display layer; a sensor layer on the display layer and comprising an active area and a peripheral area, the sensor layer being configured to operate in a first mode and a second mode different from the first mode; and a sensor controller configured to control the sensor layer, wherein the first mode comprises a first operation period, the second mode comprises a plurality of second operation periods and a third operation period, and the sensor controller is configured to sense a first input generated by a touch in the first operation period, to sense a second input generated by an input device in one of the second operation periods, to sense a third input generated by a touch different from the touch generating the first input in a portion of the active area in the third operation period, and to calculate a first sensing value.

公开(公告)号：US20230025138A1

公开(公告)日：2023-01-26

申请号：US17659437

申请日：2022-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghyun Lim

IPC: G06F3/041 ,  G06F3/046 ,  G06F3/044 ,  H04M1/02

Abstract: An interface device includes an electronic device and an input device configured to communicate with the electronic device. The electronic device includes a display layer and a sensing layer disposed under the display layer. The sensing layer transmits a first driving signal to the input device and sensing an input generated by the input device. The input device includes a resonance circuit unit in which a first magnetic field is generated based on the first driving signal, a control unit configured to control the resonance circuit unit, and a power supply unit providing power to the control unit. A second magnetic field is generated by the supply in the resonance circuit unit. The sensing layer senses the input based on the second magnetic field.

公开(公告)号：US11537235B2

公开(公告)日：2022-12-27

申请号：US17345796

申请日：2021-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghyun Lim ,  Hyun-Wook Cho

IPC: G06F3/041 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3225 ,  G09G3/20

Abstract: A display device includes: a display layer; a sensor layer on the display layer; a sensor driving part to provide a transmission signal to the sensor layer; and a display driving part to drive the display layer. The display layer includes: a plurality of pixels; first scan lines electrically connected to a first group of pixels; second scan lines electrically connected to a second group of pixels; and data lines electrically connected to the plurality of pixels. The display driving part is to drive the first scan lines, the second scan lines, and the data lines, and to alternately provide a pixel data signal and a compensation signal to data lines corresponding to the first group of pixels and data lines corresponding to the second group of pixels, the compensation signal being a signal that is complementary to at least one of the pixel data signal or the transmission signal.

公开(公告)号：US11430393B2

公开(公告)日：2022-08-30

申请号：US17209250

申请日：2021-03-23

Applicant: Samsung Display Co., LTD.

Inventor： Sanghyun Lim

IPC: G09G3/3291 ,  G09G3/3233 ,  G09G3/3266

Abstract: A display apparatus includes a pixel portion in which a plurality of pixels are arranged, the plurality of pixels being connected to scan lines and data lines; a data driver configured to transmit a data signal to a source output line; a data distributer configured to selectively connect the source output line to the data lines; and a latch portion arranged between the data distributer and the pixel portion, wherein the latch portion includes a plurality of latches connected to at least one of data lines excluding a data line, from among the data lines, connected to the source output line by the data distributer at a timing at which a scan signal is transmitted to the scan lines.