Abstract: It is an object to provide an electronic device for sensing and/or for providing a haptic effect. According to an embodiment, a device comprises a touch surface; a piezoelectric transducer mechanically coupled to the touch surface; and a control circuitry electrically coupled to the piezoelectric transducer, configured to: obtain at least one parameter describing a reference response of the piezoelectric transducer; form a reference voltage curve based on the at least one parameter; drive the piezoelectric transducer with a driving voltage; measure a voltage curve over the piezoelectric transducer; compare the reference voltage curve and the measured voltage curve; and detect a touch on the touch surface based on the comparison. A device, a method, and a computer program product are provided.

Abstract: A method and an apparatus for processing a screen by using a device are provided. The method includes obtaining, at the second device, a display screen displayed on the first device and information related to the display screen according to a screen display request regarding the first device, determining, at the second device, an additional screen based on the display screen on the first device and the information related to the display screen, and displaying the additional screen near the display screen on the first device.

Abstract: An optical detection device is applied to an optical finger navigation apparatus and suitable for a variety of appearance demands in order to simplify product qualification procedure. The optical detection device includes a substrate, a housing, an optical sensor and a cover. The housing is disposed on the substrate and comprising a first aperture. The optical sensor is disposed on the substrate and adapted to receive an optical signal through the first aperture. The cover is disposed on the housing to cover the first aperture. The cover has a first surface and a second surface opposite to each other. The first surface with a contour matched with a shape of the housing is attached to the housing, and the second surface with a contour manufactured for a predefined appearance demand does not affect conjunction between the housing and the cover.

Abstract: A head-wearable spectacles device for determining one or more gaze-related parameters of a user is disclosed. In one example, the device includes a spectacles body having a middle plane and configured for being wearable on a user's head, a nose bridge portion, a left lateral portion, a right lateral portion, a left ocular opening and a right ocular opening. The middle plane intersects the nose bridge portion. The respective ocular opening is located between the nose bridge portion and the respective lateral portion. The device includes a left camera, a right camera, and a scene camera.

Abstract: A floating touch display device and a floating touch method are provided. The floating touch display device includes a display layer, a protective cover, light emitting units, and light receiving units; the protective cover includes a first region and a second region surrounding the first region; the display layer is disposed under the first region; the light emitting units and the light receiving units are sequentially arranged under the second region. Each of the light emitting units corresponds to one light receiving unit. The floating touch is realized, by a light emitting unit transmitting an optical signal toward a direction above the protective cover and a corresponding light receiving unit of the light emitting unit that receives the optical signal reflected by a touch object above the protective cover. Such a design can extend a touch range of the floating touch and improve user experience.

Abstract: The disclosure provides a touch panel, a control method and a control device thereof, and a display device. The touch panel comprises at least one first touch area and at least one second touch area, wherein a density of touch electrodes in the first touch area is greater than a density of touch electrodes in the second touch area.

Abstract: A head-mountable device can provide an optical module that removes particles from an optical pathway and captures the particles so they do not interfere with the user's view of and/or through optical elements. For example, the display element and/or another optical element can be moved in a manner that releases particles on a viewing surface thereof. The optical module can include a particle retention element that securely retains the particles so that they remain outside of the optical pathway. Such particle removal and retention can improve and maintain the quality of a user's visual experience via the optical module.

Abstract: Blazed diffraction gratings provide optical elements in head-mounted display systems to, e.g., incouple light into or out-couple light out of a waveguide. These blazed diffraction gratings may be configured to have reduced polarization sensitivity. Such gratings may, for example, incouple or outcouple light of different polarizations with similar level of efficiency. The blazed diffraction gratings and waveguides may be formed in a high refractive index substrate such as lithium niobate. In some implementations, the blazed diffraction gratings may include diffractive features having a feature height of 40 nm to 120 nm, for example, 80 nm. The diffractive features may be etched into the high index substrate, e.g., lithium niobate.

Abstract: A pressing sensor includes a piezoelectric film and first and second detection electrodes. The piezoelectric film has a chiral polymer drawn at least in a uniaxial direction, and has a first main surface and a second main surface. The first and second detection electrodes are arranged on at least one of the first and second main surfaces. The first and second detection electrodes are arranged so as to face each other obliquely to the uniaxial direction.

Abstract: An electronic circuit is adapted to drive a display panel having touch sensors and fingerprint sensors. The electronic circuit includes a first circuit, a second circuit, a first switch circuit and a control circuit. The first circuit processes touch sensing signals from the touch sensors. The second circuit processes fingerprint sensing signals corresponding to a fingerprint from the fingerprint sensors. The first switch circuit includes a plurality of first terminals coupled to the first circuit and the second circuit and a plurality of second terminals configurable to be coupled to the display panel. The first switch circuit couples a part of the first terminals to the second terminals in a first time interval and couples the other part of the first terminals to the second terminals in a second time interval. The touch sensing signals and the fingerprint sensing signals are inputted to the electronic circuit through the second terminals.

Abstract: A touch input device includes an organic light emitting display module; a pressure sensor including a pressure electrode outputting a first sensing signal for detecting a touch pressure and which is attached under the organic light emitting display module; a touch sensor including drive electrodes to which a driving signal is applied and receiving electrodes outputting a second sensing signal for detecting a touch position; and a substrate located under the organic light emitting display module. The substrate is spaced apart from the organic light emitting display module and includes a reference potential layer. A controller detects a magnitude of the touch pressure based on the first sensing signal. The organic light emitting display module is bent by the touch pressure. A distance between the pressure electrode and the reference potential layer is changed according to a bending of the organic light emitting display module.

Abstract: A system may include a display element. The display element may include pixel groups. Each of the pixel groups may include a first set of sub-pixels and a second set of sub-pixels. The first set of sub-pixels may include: a first sub-pixel; a second sub-pixel; and a third sub-pixel. The second set of sub-pixels may include: a fourth sub-pixel; a fifth sub-pixel; and a sixth sub-pixel. Each of the fourth sub-pixel, the fifth sub-pixel, and the sixth sub-pixel may have a maximum brightness that is dimmer than a maximum brightness of each of the first sub-pixel, the second sub-pixel, and the third sub-pixel. Some or all sub-pixels of one of the first set of sub-pixels or the second set of sub-pixels may be driven while all sub-pixels of the other of the first set of sub-pixels or the second set of sub-pixels are undriven.

Abstract: Positioning a handle in a head mounted display system, and a head mounted display system. A wireless radio frequency master device is used on a head mounted device in the head mounted display system to perform operations of pairing with a wireless radio frequency slave device of a first handle and a wireless radio frequency slave device of a second handle. An electromagnetic wave receiver is used to receive electromagnetic waves emitted by an electromagnetic wave emitter of the first handle and an electromagnetic wave emitter of the second handle and generate an induced electromotive force. And, calculating position and posture information corresponding to the first handle and information of position and posture corresponding to the second handle respectively, wherein the position and posture information includes position translation information and direction rotation information when the wearer wears the first handle or the second handle.

Abstract: An electronic device is disclosed.

Abstract: A picture processing device includes a picture acquisition section that acquires data on a moving picture indicating a space to be viewed, an image extraction section that extracts an image of a target from a frame of the moving picture, and a magnification control section that causes the extracted image of the target to be displayed at a position corresponding to the target, at a magnification that is different from that of a remaining image.

Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.

Abstract: An electronic device includes: a light transmissive unit including an incidence surface and an emission surface oriented in two different directions, first reflectors disposed on a first surface, and second reflectors disposed on a second surface spaced apart from the first surface; and a display unit disposed adjacent to the incidence surface to direct light toward the first reflectors and the second reflectors; wherein the first reflectors and the second reflectors are offset from each other, when viewed through the incidence surface and the emission surface.

Abstract: An HMD includes a display section and a lens. The display section includes organic light emitting diodes (OLEDs). The lens enlarges an image displayed on the display section and presents the enlarged image to a user. A PC generates an image of a virtual space. The PC generates an image to be displayed on the display section by correcting an image obtained by shifting the generated virtual space image according to distortion caused by the lens.

Abstract: Apparatuses, methods, and systems for touch pad sensors that are further operative as antennas, are disclosed. One apparatus includes a plurality of touch sensors, a controller, and a radio. The controller is operative to receive sensed signals of the plurality of touch sensors, and provide controls of the apparatus in response to the receive sensed signals of the plurality of touch sensors. The radio is operative to wirelessly communicate with an external wireless device. One or more conductive lines electrically connect the radio with one or more of the plurality of touch sensors, wherein the plurality of touch sensors operate as one or more antennas for facilitating the wireless communication.

Abstract: A sensor controller is provided, to be connected to a sensor electrode group configuring a surface. The sensor controller supplies a determined AC signal to one or more AC signal transmission electrodes that form part of a plurality of sensor electrodes included in the sensor electrode group, and the sensor controller transmits, from cancellation signal transmission electrode(s) different from the AC signal transmission electrodes, a cancellation signal configured to prevent a signal transmitted from the AC signal transmission electrodes from appearing in a ground terminal of a detection circuit of the stylus. The sensor controller thusly configured may facilitate preventing a situation in which the stylus cannot detect an uplink signal and facilitate preventing the uplink signal from affecting the operation of another apparatus such as a display apparatus.