公开(公告)号：US20240184397A1

公开(公告)日：2024-06-06

申请号：US18242727

申请日：2023-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： KYOWON KU ,  GWANG-BUM KO ,  KANGWON LEE ,  SANGHYUN LIM

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04166 ,  G06F3/0445 ,  G06F2203/04111

Abstract: An input sensor including: a sensor including a sensing electrode for sensing a touch input and a pen sensing electrode for sensing a pen input; and a sensor controller configured to acquire a first coordinate based on a touch sensing signal received from the sensing electrode and acquire a second coordinate based on a pen sensing signal received from the pen sensing electrode during a first sensing frame, wherein the first sensing frame includes a first blank period, a touch sensing period for sensing the touch input, and a pen sensing period for sensing the pen input, wherein the first blank period, the touch sensing period, and the pen sensing period are sequentially arranged, and wherein a duration of the first blank period and a duration of the pen sensing period are adjustable.

公开(公告)号：US20230185398A1

公开(公告)日：2023-06-15

申请号：US18072510

申请日：2022-11-30

Applicant: Samsung Display Co., LTD.

Inventor： JUNGHAK KIM ,  YOUNGSIK KIM ,  KYOWON KU ,  JEONGHEON LEE ,  HANSU CHO

IPC: G06F3/041 ,  G09G3/32

CPC classification number: G06F3/04162 ,  G09G3/32 ,  G06F3/0443 ,  G06F2203/04106 ,  G09G2330/028 ,  G09G2354/00

Abstract: An electronic device includes: a display layer configured to display an image; a display driver configured to drive the display layer; a sensor layer on the display layer; and a sensor driver configured to drive the sensor layer, and wherein the sensor layer is configured to output a first uplink signal generated with a first reference voltage in a first mode, and to output a second uplink signal generated with a second reference voltage greater than the first reference voltage in a second mode different from the first mode.