公开(公告)号：US11494033B2

公开(公告)日：2022-11-08

申请号：US17444905

申请日：2021-08-11

Applicant: Samsung Display Co., Ltd.

Inventor： Soowon Kim ,  Yerin Oh

IPC: G06F3/041 ,  G06F3/044

Abstract: A display apparatus includes: a substrate having a first display area and a second display area; and a touch driving circuit configured to: receive first sensing signals of first touch sensors on the first display area; receive second sensing signals of second touch sensors on the second display area; generate first touch values based on the first sensing signals; generate second touch values based on the second sensing signals; generate corrected touch values by correcting the second touch values; and determine a touch location based on the first touch values and the corrected touch values.

公开(公告)号：US12204718B2

公开(公告)日：2025-01-21

申请号：US18397060

申请日：2023-12-27

Applicant: Samsung Display Co., Ltd.

Inventor： Yerin Oh ,  Taejoon Kim ,  Jinwoo Park ,  Seungrok Lee ,  Il Ho Lee ,  Wankee Jun

IPC: G06F3/041 ,  G06F3/044

Abstract: An electronic device including: a display layer; a sensor layer disposed on the display layer; a memory configured to store first sensitivity values and first differential sensitivity values; and a sensor driver configured to calculate second sensitivity values from a plurality of nodes and to calculate second differential sensitivity values, wherein the sensor driver is configured to: calculate difference values between the first differential sensitivity values and the second differential sensitivity values; calculate a first average value of a first row or column of values among the difference values; and calculate a second average value of remaining values among the difference values, wherein the remaining values were not used in the first average value calculation, and wherein the sensor driver determines whether to update a baseline, based on the first average value and the second average value.

公开(公告)号：US20250077028A1

公开(公告)日：2025-03-06

申请号：US18823684

申请日：2024-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Bongil Kang ,  Minhong Kim ,  Jungmok Park ,  Yerin Oh

IPC: G06F3/041 ,  G06F3/044

Abstract: A method of testing a display apparatus using a touch sensor and a touch integrated circuit is presented. The touch sensor includes a driving electrode line and a detection electrode line, and the touch integrated circuit includes a signal driving unit and a signal detection unit. The method includes sensing a first mutual capacitance of predetermined test coordinates by applying a first driving signal to the driving electrode line and receiving a detection signal from the detection electrode line, sensing a second mutual capacitance of the predetermined test coordinates by applying a second driving signal to the driving electrode line and receiving a detection signal from the detection electrode line, and determining whether a touch operation is performed based on a difference between the first mutual capacitance and the second mutual capacitance.

公开(公告)号：US11609654B2

公开(公告)日：2023-03-21

申请号：US17378768

申请日：2021-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yerin Oh ,  Soowon Kim ,  Jaseung Ku ,  Jisu Yeom ,  Suhyun Jeong

IPC: G06F3/041 ,  G09G3/32 ,  G06F3/0354 ,  G06F3/044

Abstract: An interface device includes an electronic device and an input device for communicating with the electronic device, wherein the electronic device includes a display layer, a sensor layer which is disposed on the display layer and senses a first input by the input device, a display driving unit for generating a vertical synchronization signal for driving the display layer, and a control unit for controlling the sensor layer, wherein the control unit outputs, in synchronization with a first vertical synchronization signal, a first uplink signal to the sensor layer and outputs, in synchronization with a second vertical synchronization signal, a second uplink signal having a phase different from a phase of the first uplink signal to the sensor layer.

公开(公告)号：US11822751B2

公开(公告)日：2023-11-21

申请号：US17647142

申请日：2022-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Soowon Kim ,  Jaseung Ku ,  Hyungchul Kim ,  Yerin Oh ,  Suhyun Jeong

IPC: G06F3/044 ,  H05K5/00

CPC classification number: G06F3/0443 ,  G06F3/0446

Abstract: An electronic device includes: an electronic panel including a first area, a folding area, and a second area, arranged along a first direction, the folding area being folded with respect to a folding axis defined in a second direction crossing the first direction; a support layer under the electronic panel and comprising a folding portion overlapping the folding area and provided with a plurality of holes defined therethrough, a first portion overlapping the first area, and a second portion overlapping the second area; and a folding sensing module comprising a sensing pad being electrically conductive, a driver configured to apply an electrical signal to the sensing pad, and a sensing line connecting the sensing pad and the driver.

公开(公告)号：US11720202B2

公开(公告)日：2023-08-08

申请号：US17305502

申请日：2021-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Soowon Kim ,  Jaseung Ku ,  Hyungchul Kim ,  Yerin Oh

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04164 ,  G06F3/0443 ,  G06F3/0446 ,  G06F2203/04102 ,  G06F2203/04111

Abstract: A display device includes: a display panel including: a display layer; and a sensor layer on the display layer, and including first, second, and third areas; a first driver electrically connected with the sensor layer through a first pad area; and a second driver electrically connected with the sensor layer through a second pad area. The sensor layer includes: a plurality of electrodes at the first, second, and third areas; a plurality of first intersecting electrodes at the first area, and electrically connected with the first driver; a plurality of second intersecting electrodes at the second area, and electrically connected with the first driver and the second driver; and a plurality of third intersecting electrodes at the third area, and electrically connected with the second driver. Each of the first pad area and the second pad area is spaced from the second area in a first direction.

公开(公告)号：US11444136B2

公开(公告)日：2022-09-13

申请号：US17237946

申请日：2021-04-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Soowon Kim ,  Jaseung Ku ,  Yerin Oh ,  Suhyun Jeong

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  G09F9/30

Abstract: A display device includes a display panel, and an input sensing part disposed on the display panel. The input sensing part includes a first main electrode, a first sub-electrode adjacent to the first main electrode, a second main electrode and insulated from the first main electrode and the first sub-electrode, the second main electrode overlapping the first main electrode and the first sub-electrode, a second sub-electrode adjacent to the second main electrode, and insulated from the first main electrode and the first sub-electrode, the second sub-electrode overlapping the first main electrode and the first sub-electrode, a first group of switches selectively connecting a transmission line and one of the first main electrode and the first sub-electrode with each other, and a second group of switches selectively connecting a receiving line and one of the second main electrode and the second sub-electrode with each other.