公开(公告)号：US20200272300A1

公开(公告)日：2020-08-27

申请号：US16587862

申请日：2019-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jin Chul LEE ,  San Ho BYUN ,  Yoon Kyung CHOI ,  Choong Hoon LEE ,  Bum Soo KIM ,  Ho Suk NA ,  Dong Wook LIM

IPC: G06F3/041 ,  G06F3/044

Abstract: The present inventive concepts relate to a noise compensation device and method of a touch-sensing panel, and to a noise avoiding device and method. The noise compensation device of a touch-sensing device according to some example embodiments includes: a noise compensation signal generator configured to generate mutually different noise compensation signals for at least portions of first to Nth channels included in the touch-sensing panel; and a noise cancelling signal output circuit configured to generate noise-compensated reception signals based on the mutually different noise compensation signals and provide the noise-compensated reception signals to each of at least two channels among the first to Nth channels, wherein N is an integer two or greater.

公开(公告)号：US20190294272A1

公开(公告)日：2019-09-26

申请号：US16146039

申请日：2018-09-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yun Rae JO ,  Bum Soo KIM ,  Kyeong Gon LEE ,  Yoon Kyung CHOI

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/22

Abstract: A touch controller includes a driving circuit receiving a clock signal having a first cycle to generate a driving signal, and providing the driving signal to a touch panel; a sensing circuit sensing a sensing signal generated in the touch panel by the driving signal every second cycle, and generating touch data based on the sensing signal; and a control logic controlling the driving circuit and the sensing circuit such that the second cycle is an integer multiple of the first cycle.

公开(公告)号：US20200218421A1

公开(公告)日：2020-07-09

申请号：US16670367

申请日：2019-10-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yoon Kyung CHOI ,  Jun Chul Park ,  Jin Bong Kim

IPC: G06F3/041 ,  G06F3/044

Abstract: A capacitive touch panel includes a plurality of x-line channels extending in a first direction, a plurality of y-line channels extending in a second direction, different from the first direction, and processing circuitry configured to apply a first voltage to the x-line channels, apply a second voltage to the y-line channels, the first voltage and the second voltage having opposite phases to each other, and sense a contact on at least one of intersections of the plurality of x-line channels and the plurality of y-line channels.

公开(公告)号：US20180121019A1

公开(公告)日：2018-05-03

申请号：US15660330

申请日：2017-07-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin Chul LEE ,  Choong Hoon LEE ,  Yoon Kyung CHOI ,  Cha Dong KIM ,  Jun Chul PARK ,  Dong Wook LIM

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/044

Abstract: A touch sensor controller may include a transmitter configured to output a driving signal to sensor lines of a touch panel, a charge amplifier configured to generate and output a voltage signal by using a charge generated in the sensor lines, a sampling circuit including a first sampler and a second sampler for detecting the voltage signal, and a logic circuit configured to determine whether the transmitter is operating according to a magnitude of a noise signal included in the voltage signal, and, in response to an operation of the transmitter being interrupted, control one of the first sampler and the second sampler to sample the voltage signal according to a sign of the noise signal.