G06F3/04142

TOUCH INPUT DEVICE
20170220143 · 2017-08-03 ·

A touch input device includes: a touch plate having a first surface facing in a first direction, and a second surface facing in a second direction opposing the first direction; at least one elastic member connected to the second surface of the touch plate, and deformed in at least one of the first direction and the second direction when a touch is applied to the first surface of the touch plate; and a plurality of sensors connected to the at least one elastic member and detecting when the elastic member is deformed to sense the touch. The plurality of sensors are disposed to be inwardly spaced apart from end edges of the touch plate, and output a first signal when a sensor among the plurality of sensors senses that one point of the touch plate is pulled in the first direction and a second signal when the one point of the touch plate is pushed in the second direction, and the touch plate has a plurality of touch areas divided by a plurality of imaginary lines connecting the plurality of sensors to each other virtually.

Three-Dimensional Touch Recognition Apparatus and Method
20170220170 · 2017-08-03 ·

The present disclosure relates to a three-dimensional touch recognition apparatus and a three-dimensional touch recognition method. The three-dimensional touch recognition apparatus may include a first sensor unit configured to detect a touch, a second sensor unit vertically spaced apart from the first sensor unit and configured to measure a touch force applied from the outside when the touch is detected at a plurality of measurement sites. The apparatus may also include a control device configured to calculate a distance between a first touch location measured by the first sensor unit and a second touch location measured by the second sensor unit and to verify whether the calculated distance between the first touch location and the second touch location exceeds a threshold value to recognize a touch input.

FORCE SENSING WITHIN DISPLAY STACK

Embodiments described herein include an input device and associated processing system for sensing force applied by input objects. The input device comprises a display device comprising a plurality of layers formed as a display stack, the display stack including a top surface. The input device further comprises one or more strain gauges disposed within the display stack and configured to detect force applied to the top surface, and a processing system configured to perform display updating using the display device and to perform force sensing using the one or more strain gauges.

FORCE-BASED TOUCH INTERFACE DEVICE AND METHOD FOR CORRECTING THE FORCE-BASED TOUCH INTERFACE DEVICE

A force based touch interface device comprising a touch substrate, a torsion preventing structure for preventing torsion of the touch substrate by an externally-applied force touch, a plurality of sensors for measuring the force touch applied to the touch substrate at different positions, an input device for applying the force touch onto the touch substrate, and a controller for measuring force data using the plurality of sensors when the force touch is applied onto the touch substrate, for estimating force data for symmetrical points for touch points to which the force touch is applied using the measured force data, and for comparing the measured force data and the estimated force data with ideal force data to generate a calibration matrix for correcting a process error.

Display Module, Electronic Device, and Electronic Device Control Method
20210405841 · 2021-12-30 ·

A display module, an electronic device, and an electronic device control method relate to the field of display technologies. A pressure sensor is integrated into a layered structure of the display module. The display module includes an active area and an inactive area. The inactive area includes the pressure sensor. The pressure sensor includes one or more pressure sensitive resistors, at least one pressure sensitive resistor is disposed at a same layer as a semiconductor active layer of the active area, and the at least one pressure sensitive resistor is made of a same material as the semiconductor active layer.

Apparatus for sensing user input
11209927 · 2021-12-28 · ·

An apparatus for sensing user input to an electronic device is described. The apparatus utilizes multiple strain gauge (“SG”) sensing units which are each disposed adjacent an inner surface of the device housing. The SGs are configured to detect a particular type of user input administered to the sides of the device housing based on at least one of: the magnitude of strain applied to the SGs, the relative location of the applied strain, and the duration of the applied strain. The SGs are further configured to detect a second type of user input administered to a display screen of the electronic device caused by bowing of the device housing caused by user contact with the display screen.

DISPLAY PANEL, METHOD FOR DETECTING THE SAME, AND DISPLAY DEVICE

The present disclosure provides a display panel, a method for detecting the same, and a display device. The display panel includes a bending region and a rigid region. The display panel includes at least three pressure-sensitive devices inside, and the at least three pressure-sensitive devices are at least partially overlapped with the bending region respectively. The display panel further includes a detection circuit, the detection circuit is electrically connected to the at least three pressure-sensitive devices via detection lines, and the detection circuit is configured to receive detection signals generated by the at least three pressure-sensitive devices.

TOUCH SENSING DEVICE AND ELECTRONIC DEVICE PROVIDING FREEDOM OF PLACEMENT OF SENSING COIL

A touch sensing device configured to be installed in an electronic device, the electronic device including a side unit and a touch switch unit, the side unit including a non-conductive cover and a conductive frame coupled to the cover, the touch switch unit including a first touch member that is a portion of the cover, the touch sensing device including a first sensing electrode configured to be disposed inside the electronic device near the first touch member; a first sensing coil configured to be disposed inside the electronic device; and a first connection wire including one end connected to the first sensing electrode and another end connected to the first sensing coil, thereby electrically connecting the first sensing electrode to the first sensing coil.

OPERATING DEVICE FOR A VEHICLE
20220197462 · 2022-06-23 ·

The operating device for a vehicle is provided with a housing having a front face with a receiving opening being delimited by an opening edge, and having a rear wall, and with an operating element being arranged in the receiving opening at a distance from the opening edge thereof and having an operating surface, said operating element having a front face provided with the operating surface, a rear face, and a delimiting edge region. The operating device further comprises a holding element having a bottom wall and support parts which protrude from the bottom wall and end below the delimiting edge region of the operating element and are mechanically coupled to the operating element in the delimiting edge region. The bottom wall of the holding element has a central region which is spaced from the support parts and within which the bottom wall of the holding element is supported against the rear wall of the housing. A manual actuation of the operating element is detected by multiple actuation sensors which are arranged between the bottom wall of the holding element and the rear wall of the housing within the surrounding region that surrounds the central region of the bottom wall of the holding element and is arranged at a distance from the rear wall of the housing. An evaluation unit receives the signals from the actuation sensors and evaluates said signals for the purpose of detecting a manual actuation of the operating element performed with a predefinable minimum pressing force.

LIGHT-EMITTING APPARATUS
20220190044 · 2022-06-16 ·

An apparatus (201) for use in a display device comprises a light-emitting layer (203) for providing a light output to the display device and a translucent layer (202) comprising a pressure-sensitive ink. The translucent layer diffuses the light output from the light-emitting layer and the pressure-sensitive ink provides a conductive layer of a sensing device (205) which is configured to measure a force in response to a mechanical interaction.