Abstract: A display device includes a display panel, a light guide plate, a first light source and a second light source. The display panel is provided with a plurality of pixel units arranged in an array, the light guide plate includes a first reflection structure and a second reflection structure. The first reflection structure reflects light emitted from the first light source to the pixel units of the display unit and the light is guided to a first view side after passing through the display panel. The second reflection structure reflects light emitted from the second light source to the pixel units of the display panel and the light is guided to a second view side after passing through the display panel. The above display panel is capable of achieving naked eye dual vision display without wearing dedicated glasses.

Abstract: The disclosure provides a palmprint recognition circuit based on a LTPS technology, a palmprint recognition method and a display screen. The palmprint recognition circuit comprises an optical signal collecting unit, configured to collect an optical signal indicating a palmprint information and convert the collected optical signal into a current signal; a current signal amplifying unit, configured to amplify the converted current signal; and a current signal detecting unit, and configured to detect an intensity of the amplified current signal which indicates a ridge line or a valley line of the palmprint in the palmprint information. Therefore, it can solve the problem of having no palmprint recognition circuit and method for a LTPS-TFT display panel. This can eliminate an influence of a change of parasitic capacitance on the recognition result, wherein the change of parasitic capacitance is caused by a change of a wiring manner in the circuit.

Abstract: Embodiments of the present disclosure disclose an in-cell touch screen and a display device. A touch electrode arranged in the touch screen is provided with a slit at a region corresponding to a gap between two adjacent pixels, such that the slits in respective touch electrodes of the in-cell touch screen and the gaps between the touch electrodes are uniformly distributed to avoid defective problem of bright lines or dark lines present in the in-cell touch screen. Further, a strip-shaped floating electrode is further provided in the touch screen to be electrically connected with the touch electrode and is arranged at the a slit of the touch electrode and/or at the gap between two adjacent touch electrodes. The strip-shaped floating electrode is used to partially fill or cover the slit in the touch electrode, which can alleviate reduction in an effective area of the touch electrode due to providing the slit in the touch electrode.

Abstract: An embodiment of this disclosure discloses a touch panel. The touch panel comprises a first substrate and a second substrate opposite to the first substrate. The touch panel further comprises a plurality of magnetic protrusions arranged on the first substrate and protruding towards the second substrate. The touch panel further comprises a first coil group and a second coil group, the first coil group comprises a plurality of coils extending in a first direction, and the second coil group comprises a plurality of coils extending in a second direction. The first coil group and the second coil group are stacked on the second substrate and insulated from each other. The coils of the first and second coil group and corresponding magnetic protrusions constitute a plurality of inductive sensors.

Abstract: The present disclosure discloses a circuit and method for generating a light emission control signal for an AMOLED pixel circuit having in-cell touch sensors, as well as a pixel circuit driving method. The circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor and a first capacitor. Under control of a control signal transferred by a first control line, a first clock signal, a second clock signal, a voltage of a first level, a voltage of a second level and a control signal transferred by a second control line, the circuit outputs the desired light emission control signal via a light emission control line. The light emission control signal may turn off the OLED in the pixel circuit during a touch sense phase such that an influence of the capacitance between the anode and cathode of the OLED on the touch sensor-to-ground capacitance is reduced.

Abstract: The present disclosure provides an organic light-emitting diode (OLED) display substrate. The OLED display substrate includes a substrate and a plurality of organic light-emitting diode units. An organic light-emitting diode unit includes a first layer having an anode and a first electrode apart from the anode; an organic light-emitting layer; a cathode; and a second electrode insulated from the cathode. The anode and the cathode are configured to drive the organic light-emitting layer to emit light; and the first electrode and the second electrode are configured to recognize touch patterns.

Abstract: The invention discloses a capacitive built-in touch control display panel, a display device, a control device and method with a purpose of realizing display and touch control functions of the display panel without an additional touch panel, which simplifies the configuration of the capacitive built-in touch control display panel and improves the light transmittance.

Abstract: A fingerprint identification device and a manufacturing method thereof, an array substrate and a display apparatus are provided. The fingerprint identification device comprises first gate lines and read signal lines. The first gate lines and the read signal lines intersect with each other to define a plurality of fingerprint identification units, and each fingerprint identification unit is provided with a photosensitive element and a first transistor. The photosensitive element includes a first electrode layer, and a first doped semiconductor layer, a second doped semiconductor layer and a second electrode layer which are sequentially positioned on a surface of the first electrode layer.

Abstract: The present invention provides a pixel circuit and a driving method thereof, a display device. The pixel circuit comprises a display driving module, a compensation module, a light emitting module and a fingerprint identification module. The compensation module is connected with the display driving module, a first signal terminal, a second signal terminal, a third signal terminal, a first voltage terminal, a data signal terminal and a common voltage terminal respectively. The display driving module is further connected with the light emitting module. The light emitting module is further connected with an enable signal terminal, the first voltage terminal and a second voltage terminal. The fingerprint identification module is connected with a fourth signal terminal, a fifth signal terminal and a readout signal line respectively.

Abstract: The present disclosure provides a pixel driving circuit, a display substrate and a driving method thereof, and a display device. The pixel driving circuit includes a driving unit, a data voltage write unit, an energy storage unit, a threshold compensation unit, and a touch driving compensation unit. The energy storage unit comprises a first energy storage end and a second energy storage end. The touch driving compensation unit is connected to the second energy storage end of the energy storage unit to compensate the voltage of the second energy storage end in a touch phase, so as to maintain that driving current generated by the driving unit does not vary with time. The pixel driving circuit provided by the present disclosure can allow luminance of a driven electroluminescent element does not vary with time in a touch phase, thereby avoiding affecting light emission display of the driven electroluminescent element.

Abstract: A touch display panel having a pressure detecting function, a display device and a driving method are provided. The touch display panel includes: an array substrate and a counter substrate that are arranged opposite to each other; a plurality of touch electrodes disposed on the counter substrate and a touch electrode wiring electrically connected to each of the touch electrodes; a plurality of pressure detecting electrodes disposed on the counter substrate or the array substrate and a pressure detecting electrode wiring electrically connected to each of the pressure detecting electrodes, wherein any one of the pressure detecting electrodes overlaps with at least one of the touch electrodes in a direction perpendicular to the counter substrate, and with respect to the pressure detecting electrode, the touch electrode is closer to a light exit side of the touch display panel.

Abstract: The present disclosure provides in some embodiments a pixel driving circuit, a display panel, a method for driving the display panel, and a display device. The pixel driving circuit includes a preset unit, a driving unit, a compensation unit, an energy storage unit, and a driving signal output unit.

Abstract: Provided are a driving circuit and a driving method thereof, a touch display panel, and a touch display device. The first input terminal of the delay unit is connected to corresponding previous gate driver, the first output terminal of the delay unit is connected to corresponding subsequent gate driver. The delay unit outputs a starting signal to the subsequent gate driver for enabling it after a predetermined time elapses since the previous gate driver outputs a driving signal. The delay unit achieves shift registering between the previous gate driver and the subsequent gate driver, to form a touch-control time period after the previous gate driver outputs a driving signal and before the subsequent gate driver is enabled, so as to ensure that the touch display panel can also achieve a touch-control function with high precision on the premise of achieving a display function of high resolution.

Abstract: The present disclosure relates to a display device and a method for fabricating a display device. The display device includes a display layer and a base layer under the display layer. The base layer includes a substrate having a first conductivity type, a well region in a portion of a side of the substrate facing towards the display layer, the well region having a second conductivity type, and an ultrasonic receiver formed in the well region. The ultrasonic receiver includes a first bottom electrode facing towards the substrate, the first bottom electrode including a first semiconductor region formed in the well region, and the first semiconductor region having the first conductivity type, a first top electrode facing towards the display layer, and a first piezoelectric layer formed between the first bottom electrode and the first top electrode.

Abstract: A safety seat is provided, including a seat base and a seat back. The seat back includes a framework adjustable in shape and a covering part covering the framework and made of flexible material. A surface of the covering part is provided with multiple sensors for obtaining back position information of a person sitting on the safety seat. The safety seat further includes a data processing device and a driving structure. The data processing device is for receiving the back position information, determine a shape of a back surface of the person and send a covering part adjustment signal. The driving structure is for adjusting a shape of the framework according to the covering part adjustment signal and changing a shape of the surface of the covering part by changing the shape of the framework so as to match the shape of the back surface of the person.

Abstract: The present invention provides a fingerprint recognition device, a display screen and a display device, which belong to the field of display technology and can solve the problem of high cost for conventional fingerprint recognition devices. The fingerprint recognition device of the present invention arranged at a light emitting side of a display panel includes a protection substrate, a glass base positioned under the protection substrate, a plurality of detecting electrodes formed on the glass base, capacitance being formed between the plurality of detecting electrodes and ridges or valleys of a fingerprint when touching occurs, and a control unit used to recognize the fingerprint based on the capacitance. The fingerprint recognition device of the present invention has a simple structure and a low cost.

Abstract: The present disclosure provides touch substrate and display apparatus, belonging to field of display technology. The touch substrate includes a substrate, and a plurality of control lines, a plurality of read lines and a plurality of touch control units disposed on the substrate; each touch control unit includes a first patch disposed on first surface of the substrate and a second patch disposed on second surface of the substrate opposite to the first surface, orthogonal projection of the first patch at least partially overlapping with that of the second patch, the first and second patches being electrically connected through conductive via penetrating the substrate; each touch control unit operates under control of control signal inputted through corresponding control line, and read, through corresponding read line, pressure signal for the first and second patches in the touch control unit to determine position of touch point at which a press occurs.

Abstract: A touch panel, a display device and a touch driving method are disclosed. The touch panel includes a plurality of first self-capacitance electrodes. The plurality of first self-capacitance electrodes are at least distributed in two areas; the first self-capacitance electrodes at corresponding positions in the at least two areas are electrically connected with each other; and at least one in each group of electrically connected first self-capacitance electrodes corresponds to one row-scanning electrodes, which is configured to determine the touch condition of each first self-capacitance electrode in the same group of electrically connected first self-capacitance electrodes. The disclosure reduces the total amount of leads and hence reduces touch blind areas and is favorable to a narrow-bezel design.

Abstract: An electronic device, a face recognition and tracking method and a three-dimensional display method are provided. The electronic device includes: a pick-up device configured to shoot a face image of a user; a frontal face image acquisition module configured to acquire a frontal face image of the user via the pick-up device; and a face tracking module configured to perform a comparison operation on the face image shot by the pick-up device and the frontal face image, and determine a moving distance of the face of the user along a direction in a plane perpendicular to a central optical axis of the pick-up device, wherein the comparison operation includes a comparison between a ratio of an area of a specific part to an area of an entire face for the face image shot by the pick-up device, and the ratio for the frontal face image.

Abstract: The present disclosure provides a display panel and a pressure sensing method for the same, which belongs to the field of pressure sensing technology for display panel, and can solve the problem that the existing pressure sensing technology for the display panel needs to change the overall structure of the display device and has poor accuracy. The display panel of the present disclosure includes a first substrate and a second substrate, which are opposed to each other; a constant voltage electrode, which is applied with a constant voltage, and disposed on one of the first substrate and the second substrate; and a pressure sensing electrode, which is disposed to be opposite to the constant voltage electrode, configured to sense a pressure applied on the display panel in accordance with a distance thereof from the constant voltage electrode, and disposed on the other one of the first substrate and the second substrate.