G06F3/0448

TOUCH APPARATUS
20180004292 · 2018-01-04 · ·

A touch apparatus is provided. The touch apparatus includes a substrate, at least one touch-sensing electrode, at least one vibration electrode, a touch control circuit and a vibration control circuit. The touch-sensing electrode and the vibration electrode are disposed in a first electrode layer on the substrate. The touch control circuit is electrically coupled to the touch-sensing electrode. The touch control circuit can sense a touch event of the touch apparatus through the touch-sensing electrode. The vibration control circuit is electrically coupled to the vibration electrode. The vibration control circuit can drive the vibration electrode to generate a vibration.

Fingerprint detection device and display device

Provided are a fingerprint detection device and a display device that can reduce the occurrence of unintended patterns. The fingerprint detection device has a plurality of drive electrodes and a plurality of detection electrodes. The detection electrodes have a plurality of first line parts, a plurality of second line parts extending in a direction crossing the first line parts, and bent parts coupling the first line parts and the second line parts to each other. The drive electrodes have a plurality of electrodes arranged spaced apart from each other in a plan view, connecting parts coupling the electrodes adjacent to each other in the second direction to each other, and dummy electrodes in a floating state, each of the dummy electrodes being arranged between two electrodes arranged in the first direction between two detection electrodes.

DEVICE FOR DETECTING AND ACTIVE INPUT

A display device includes a display panel and an input sensor. The input sensor may include a first sensing electrode, a signal line electrically connected to a first terminal of the first sensing electrode, a first line at least partially overlapping the first sensing electrode and extending in the same direction as the first sensing electrode in the active area, and a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path.

Touch sensor detector system and method
11520454 · 2022-12-06 · ·

A touch sensor detector system and method incorporating an interpolated sensor array is disclosed. The system and method utilize a touch sensor array (TSA) configured to detect proximity/contact/pressure (PCP) via a variable impedance array (VIA) electrically coupling interlinked impedance columns (IIC) coupled to an array column driver (ACD), and interlinked impedance rows (IIR) coupled to an array row sensor (ARS). The ACD is configured to select the IIC based on a column switching register (CSR) and electrically drive the IIC using a column driving source (CDS). The VIA conveys current from the driven IIC to the IIC sensed by the ARS. The ARS selects the IIR within the TSA and electrically senses the IIR state based on a row switching register (RSR). Interpolation of ARS sensed current/voltage allows accurate detection of TSA PCP and/or spatial location.

Display panel and display device

Disclosed are a display panel and display device. The display panel includes: a sensor setting area and a display area around the sensor setting area, where the sensor setting area includes at least one photosensitive element setting area and each of the at least one photosensitive element setting area is the same.

Electronic device

An electronic device, includes: a sensor layer detecting a touch input and an input-device input; and a sensor control circuit providing the sensor layer with a signal and receiving a detection signal from the sensor layer, wherein the sensor layer includes: a first electrode extending along a first direction; a second electrode extending along the first direction; a first cross electrode extending along a second direction intersecting the first direction; and a second cross electrode extending along the second direction, wherein the sensor control circuit detects the touch input based on a variation in mutual capacitance between the first electrode and the first cross electrode, and the sensor control circuit detects the input-device input based on a variation in capacitance of at least one selected from the first electrode, the second electrode, the first cross electrode, and the second cross electrode.

Electronic device

An electronic device includes first and second sensing electrode configured to form capacitance with each other, and sensing lines respectively connected to the first sensing electrode and the second sensing electrode, wherein the first sensing electrode includes first patterns in a main area, arranged in a first direction, and extending in a second direction crossing the first direction, a first edge pattern in an edge area that is between the main area and a peripheral area, is spaced apart from the first patterns in the first direction, and extends in the second direction, and a second edge pattern that is in the edge area, is spaced apart from the first edge pattern in the first direction, and extends in the second direction, and wherein a planar surface area of each of the first and second edge patterns is smaller than a planar surface area of each of the first patterns.

Display apparatus

A display apparatus includes a display panel, an input sensor having an active area having a plurality of electrodes disposed therein and at least a portion of which overlaps the display area, and a non-active area which overlaps the non-display area. The active area has a central area and a peripheral area disposed outward from the central area. The plurality of electrodes include center electrodes which are disposed in the central area and peripheral electrodes which are disposed in the peripheral area and have a surface area less than that of the center electrodes. Each of the center electrodes includes a sensing pattern and a floating pattern, and each of the peripheral electrodes includes substantially only the sensing pattern. Thus, an embodiment of the inventive concept may provide the display apparatus that includes an input sensor having improved sensitivity in a peripheral area.

ELECTRONIC DEVICE
20230022014 · 2023-01-26 ·

An electronic device includes a display panel that includes a plurality of light emitting elements, and an input sensor disposed on the display panel and that includes a plurality of mesh patterns. The mesh patterns include a plurality of openings formed therein and spaced apart from each other in a first direction and a second direction that crosses the first direction. The mesh patterns include a plurality of conductive patterns spaced apart from each other in a direction that cross the first and second directions, where a center opening of the plurality of openings is disposed therebetween, and a plurality of mesh lines disposed along an edge of the center opening and connected to the conductive patterns. Each of the conductive patterns includes at least one cut-away portion opened toward one of the openings.

TOUCH PANEL AND SHEET OF TOUCH SENSORS
20230229268 · 2023-07-20 ·

A touch panel includes a substrate, a plurality of peripheral traces, a plurality of marks, a touch sensing electrode, a plurality of first intermediate layers, and a plurality of second intermediate layers. The peripheral traces and the marks are disposed in a peripheral area of the substrate. The first intermediate layers are disposed between the peripheral traces and the substrate, and the second intermediate layers are disposed between the marks and the substrate. Each of the first intermediate layers and the second intermediate layers includes a metal nanowire, and the touch sensing electrode is electrically connected with the peripheral traces. A touch sensor tape is also proposed.