Provided is a display device. The display device includes a first substrate including a first base layer, a circuit layer disposed on the first base layer, and a light emitting layer disposed on the circuit layer, a second substrate including a top surface and a bottom surface and in which a plurality of grooves arranged in a first direction are defined in the bottom surface, the second substrate being disposed on the first substrate, and a plurality of light blocking members disposed on the plurality of grooves to control propagation direction of light outputted from the light emitting layer.

A touch sensor integrated type display device includes: a display panel including: pixels connected to data lines and gate lines and division-driven into a plurality of panel blocks, and a plurality of touch sensors connected to the pixels, a display driving circuit providing data of an input image to the pixels in multiple display periods divided from one frame period, and a touch sensing circuit driving the touch sensors and sensing a touch input in a touch sensing period allocated between the display periods of the frame period, adjacent panel blocks being division-driven in the display periods that are separated from each other with the touch sensing period, in which the touch sensors are driven, interposed therebetween, the display driving circuit including a shift register: shifting a gate pulse in accordance with a shift clock timing, and sequentially supplying the gate pulse to the gate lines.

An electronic device is provided, which includes a substrate, a protruding pattern, a first conductive pattern, an insulating layer, and a second conductive pattern. The protruding pattern is disposed on the substrate. The first conductive pattern is disposed on the substrate and covers the protruding pattern. The insulating layer is disposed on the first conductive pattern. The insulating layer includes an opening overlapping at least a portion of the protruding pattern. The second conductive pattern is disposed on the insulating layer. The second conductive pattern is connected to the first conductive pattern through the opening.

A display system has a flexible display screen which has a front side and a back side, and a plurality of haptic elements arranged in an array on the back side of the screen. The display system also has a controller board connected to the plurality of haptic elements and the flexible display screen. The controller board is configured to display a plurality of interactive buttons on the front side of the flexible display screen in locations corresponding to the plurality of haptic elements. The plurality of haptic elements are configured to provide haptic feedback based on touch input provided to the front side of the screen. The haptic feedback includes actuating a haptic element which corresponds to the location of an interactive button selected by the touch input.

Aspects disclosed herein relate to the use of navigational control UI elements to aid in navigating large surfaces on a touchscreen device. The navigational control UI element may be operable to facilitate traversal of the navigable surface along the axis upon which the navigational control UI element is placed. In alternate examples, the navigational control element may be operable to provide functionality to traverse or adjust the navigable surface along both the horizontal vertical axes. In still further aspects, other types of navigational control UI elements may provide the ability to directly jump to a specific position on the navigable surface.

Various embodiments relating to exchanging a cryptographic key between a display device and an input device via electrostatic communication are disclosed. In one embodiment, an interactive communication device includes one or more electrodes and a radio transceiver. The one or more electrodes may be excited to capacitively couple with one or more electrodes of a proximate communication device so as to capacitively send a cryptographic key from the interactive communication device to the proximate communication device. The radio transceiver may be configured to communicate with a radio transceiver of the proximate communication device via a radio channel. The interactive communication device may be configured to subsequently exchange encrypted communications with the proximate communication device over the radio channel. The encrypted communications may be encrypted using the cryptographic key.

A method for controlling a screen of a user terminal includes the follows. A touch operation on a screen is detected in a black screen state. When a preset condition is met, the screen is controlled to switch from the black screen state to a bright screen state in which the screen brightness is the target brightness value. A user terminal is also provided.

An operation method of an electronic device for sensing an optical signal is provided. The electronic device includes a plurality of optical sensors and a plurality of light-emitting elements disposed adjacent to the plurality of optical sensors. The operation method of the electronic device for sensing the optical signal includes the following steps. The optical signal is provided to a first optical sensor of the plurality of optical sensors. The first optical sensor outputs a driving signal when dimming the plurality of light-emitting elements adjacent to the first optical sensor. Therefore, the accuracy of sensing the optical signal may be effectively increased.

Disclosed is a touch display device with tactile feedback function, including a first substrate (10), a second substrate (20), a liquid crystal layer (30), a patterned conductive layer (50) and an insulation layer (40); the patterned conductive layer (50) comprises a plurality of first signal lines (1) which are separately arranged in parallel and extended along a horizontal direction, and a plurality of second signal lines (2) which are separately arranged in parallel, and extended along a vertical direction, and insulated with the first signal lines (1); a side of the second substrate (20) close to the liquid crystal layer (30) includes a plurality of third signal lines (3) which are separately arranged in parallel along the vertical direction; the touch scan is achieved with the first and the third signal lines (1, 3), and the tactile feedback is achieved with the first and the second signal lines (1, 2).

The present invention provides a touch switch attachable on a wall. The touch switch, attachable on a wall, comprises: a switch box unit which is inserted into an embedded box formed on a wall; a back cover unit which is inserted inside the switch box unit and has a plurality of PCBs stacked and placed; a fixing plate unit which is coupled to the switch box unit and fixes the back cover unit; and an LCD touch pad unit which is fixed on one end of the back cover unit passing through the fixing plate unit, is electrically connected to the plurality of PCBs, and is for inputting switching operation information to the plurality of PCBs by means of capacitive touch.