公开(公告)号：US20230143141A1

公开(公告)日：2023-05-11

申请号：US17814976

申请日：2022-07-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JAEUK CHOI ,  YUN-HO KIM

IPC: G06F3/041 ,  G06F3/046

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.

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

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044

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.

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：US20240103671A1

公开(公告)日：2024-03-28

申请号：US18331435

申请日：2023-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： JAEUK CHOI ,  YUN-HO KIM

IPC: G06F3/044

CPC classification number: G06F3/0443 ,  G06F2203/04111

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.

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

IPC: G06F3/041 ,  G06F3/044

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.

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.