Samsung Electronics Co., Ltd.

Bongjun Ko

Hoondo Heo

Seunghoon Ko

Jongdae Park

Sanghun Kwak

Jaeho Lee

Jinwan An

Jinyoung Hwang

Seonghun Kim

Dongnam Byun

Aram Song

Sangheon Park

Changjin Kim

Daehyun Yoo

Ganghyun Goo

Mansung Kim

Kyoungtaek Lee

Junghoon Choi

Jongmin Wi

An electronic device is provided. The electronic device includes a display, a touch sensor disposed in the display and including a plurality of lines and a plurality of nodes formed by the plurality of lines, a memory storing instructions, and a processor. The instructions, when being executed by the processor, cause the electronic device to obtain a plurality of node values from each of the plurality of nodes, change the touch sensitivity of the touch sensor from a first touch sensitivity to a second touch sensitivity lower than the first touch sensitivity based on identifying a pattern by the plurality of node values, identify whether to recognize contact on the touch sensor as a touch input through the plurality of line values obtained from each of the plurality of lines based on identifying changes of the pattern by the plurality of node values.

Electronic device sensing contact of fluid through touch sensor

An electronic device is provided. The electronic device includes a display, a display driver integrated circuit (IC) (DDI) configured to output a synchronization signal corresponding to update of a screen to be displayed on the display, and a touch circuit including a touch sensor and a touch sensor IC, wherein the touch sensor IC is configured to when a synchronization signal corresponding to a first display update frequency is received from the DDI, apply a first driving signal to the touch sensor on the basis of an interval in which the synchronization signal is applied, and when a synchronization signal corresponding to a second display update frequency is received from the DDI, apply a second driving signal to the touch sensor during a designated active interval.

Electronic device including touch sensor and method for driving touch sensor included in electronic device

An electronic device includes a first display panel that detects a touch input; a driving circuit electrically connected to the first display panel and that transfers at least one driving signal for measuring a touch signal to the first display panel; and a processor connected to the driving circuit, wherein the processor is configured to: display a screen by activating a first area which is at least a part of areas of the first display panel; control the driving circuit to measure the touch signal in the first area based on a first period; detect a first event related to a change in an activated area of the areas of the first display panel to a second area; change the first period to a second period different from the first period, based on the first event; and measure the touch signal in the second area based on the second period.

Electronic device and method for detecting touch input thereof

According to an embodiment, an electronic device may include: a processor; and a touch circuit configured to output, to the processor, information associated with a touch on at least one surface of the electronic device. The touch circuit may be configured to: generate first raw data including a first value associated with capacitance for each of multiple channels of the touch circuit; generate a first baseline on the basis of the first raw data; identify whether the first raw data satisfies a designated condition; and identify whether the first baseline is reset, on the basis of whether the raw data satisfies the designated condition.

Touch circuit for processing touch-associated data, electronic device comprising touch circuit, and method for operating same

According to an embodiment, an electronic device comprises a housing, a display including at least one region corresponding to at least one surface of the housing, a touch sensor for detecting a touch input on the at least one region, a first processor operably coupled to the touch sensor, and a second processor operably coupled to the display, the touch sensor, and the first processor, wherein the first processor is configured to detect first position information of an external object touching the at least one region and first energy information related to a contact surface of the external object, based on a capacitance measured from the touch sensor at a first time point, detect second position information of the external object which touches the at least one region and second energy information related to the contact surface of the external object, based on a capacitance measured from the touch sensor at a second time point which comes after the first time point, and transmit a signal to the second processor, wherein the signal is based on at least one of the first position information, the second position information, the first energy information, and the second energy information.

Electronic device for identifying coordinates of external object touching touch sensor

An electronic device is provided. The electronic device includes a sensor layer including a first channel including one or more first electrodes and a second channel including one or more second electrodes and a control circuit configured to detect touch information corresponding to an input of an external object to the sensor layer based on a change in capacitance between at least one of the one or more first electrodes and at least one of the one or more second electrodes and detect pressure information corresponding to the input based on a resistance changed by the input to at least one of the first channel or the second channel.

Device and method for compensating for temperature change in strain-gauge pressure sensor and method for implementing strain-gauge pressure from touchscreen element

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Gyeonggi-do, South Korea

Bongjun Ko