Input device outer layer and backlighting techniques are described. In one or more implementations, an input device includes a light guide configured to transmit light, a sensor assembly having a plurality of sensors that are configured to detect proximity of an object as a corresponding one or more inputs, a connection portion configured to form a communicative coupling to a computing device to communicate the one or more inputs received by the sensor assembly to the computing device, and an outer layer disposed proximal to the light guide such that the light guide is positioned between the outer layer and the sensor assembly. The outer layer has one or more portions configured to permit transmission of light from the light guide to act as a backlight, the outer layer having a textured outer surface and a smooth inner surface that is disposed proximal to the light guide.

A high density sensor module includes a first substrate, a plurality of first sensors positioned on the first substrate, a plurality of first conductive rods positioned on the corresponding first sensors, a first package resin member covering the first sensors and one end of each of the first conductive rods, a second substrate positioned on the first package resin member, a plurality of second sensors positioned on the second substrate, and a second package resin member covering the second sensors and another end of each of the first conductive rods. The first conductive rods pass through the first package resin member and the second substrate. The high density sensor module has a two-layer structure to increase the number of the sensors such that the sensing density and resolution of the high-density sensor module are increased.

A touch panel includes: first electrodes disposed in parallel at a position corresponding to a viewing area of a panel member and have a capacitance changing according to a proximity of an object to be detected; second electrodes that intersect with the first electrodes, are disposed in parallel, and similarly change in capacitance; third electrodes disposed in parallel between the first or second electrodes and have electrical resistances changing according to posture and temperature; and fourth electrodes extending along the respective third electrodes and similarly change in electrical resistance. A resistance change rate of the fourth electrodes due to temperature is the same as for the third electrodes. The resistance change rate of the fourth electrodes due to the posture change is 90% or less than for the third electrodes due to the posture change. This allows a pressing force to be accurately measured.

A human machine interface (HMI) system and method of operating. The system includes capacitive measurement circuitry coupled to one or more capacitive touch elements, and piezoelectric measurement circuit including interface circuitry coupled to one or more piezoelectric touch elements. The capacitive measurement circuitry includes a gain stage configured to amplify a signal corresponding to a capacitance at the one or more capacitor input terminals by a gain level for communication to processing circuitry. Gain control circuitry is configured to increase the gain level of the gain stage of the capacitive measurement circuitry responsive to the piezoelectric measurement circuitry receiving a user input from at least one of the piezoelectric touch elements. Implementations that further include piezoelectric drive circuitry for haptic output and clearing debris from the keypad are also disclosed.

To provide a new force sense presenting technique utilizing illusion. A force sense presenting object includes: a first object that includes a first surface which is magnetized with a first texture including an S-pole region and an N-pole region; and a second object that includes a second surface which is magnetized with a second texture including an S-pole region and an N-pole region. An acting subject touches at least either one of the first object and the second object and performs an operation for changing a relative positional relation between the first surface and the second surface or/and an action for changing the relative positional relation between the first surface and the second surface while keeping the first surface and the second surface in contact with or close to each other, and thereby the acting subject perceives bumpiness.

The present disclosure provides a pressure sensing module, a manufacturing method thereof, and an electronic device. The method includes: providing a support plate; forming a flexible thin film on the support plate; forming first pressure sensing electrodes and second pressure sensing electrodes on the flexible thin film and at different levels, each second pressure sensing electrode being arranged at a position corresponding to a gap between two adjacent first pressure sensing electrodes, a distance between each first pressure sensing electrode and a corresponding second pressure sensing electrode being capable of changing under the effect of a pressure; forming a flexible protection film covering the first pressure sensing electrodes and the second pressure sensing electrodes; and removing the flexible thin film from the support plate.

Disclosed herein are related to a touch sensitive device. The touch sensitive device includes a panel with a surface including a tactile interface, where the tactile interface has surface variations forming a tactile pattern. In one aspect, tactile interaction with the tactile pattern produces an energy signature representative of the surface variations. In one aspect, the touch sensitive device further includes an electro-mechanical transducer configured to generate an electrical output signal in response to detecting the energy signature. In one aspect, an output of the electro-mechanical transducer is connectable to a processor configured to produce a control signal based on the electrical output signal of the electro-mechanical transducer.

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.

A display device includes a display panel. A window is disposed on the display panel. A conductive sheet is disposed beneath the display panel such that the display panel is disposed between the window and the conductive sheet. A pressure sensor is disposed between the display panel and the conductive sheet. The pressure sensor includes a sensing area corresponding to a portion of the pressure sensor. A pressure concentration bump is disposed between the window and the conductive sheet. The pressure concentration bump overlaps the sensing area. The pressure sensor includes a first electrode disposed within the sensing area and a second electrode spaced apart from the first electrode.

A portable electronic communication device including a display, a pressure sensor array including a plurality of pressure sensors, and an electronic processor communicatively coupled to the pressure sensor array. The electronic processor is configured to receive, from the pressure sensor array, a plurality of stress tensor measurements corresponding to a user interaction with the display, perform an interpolation of the plurality of pressure measurements, and determine, based on the interpolation, a faulty sensor of the plurality of sensors.