Abstract: A fingerprint detection touch control display apparatus. The fingerprint detection touch control display apparatus includes a base substrate; a plurality of touch sensors on the base substrate; and a counter substrate facing the base substrate. Each of the plurality of touch sensors includes an invisible tight emitting element; a driving circuit configured to driving light emission of tire divisible light emitting element; an invisible light sensor; and a light shield. The invisible light emitting element is configured to emit light toward the counter substrate, at least a portion of the light being reflected by a touch object on the counter substrate into the invisible light sensor through a via extending through the light shield. The invisible light sensor is configured to detect tire portion of the light, thereby detecting a fingerprint information.

Abstract: This application provides an ultrasonic fingerprint recognition module including: a base substrate; at least one ultrasonic wave signal receiver and at least one ultrasonic wave signal transmitter on the base substrate, which are on a same side of the base substrate and spaced apart from each other in a first direction parallel to the base substrate; a piezoelectric sensing layer on a side of the at least one ultrasonic wave signal transmitter and the at least one ultrasonic wave signal receiver distal to the base substrate; and an electrode layer on a side of the piezoelectric sensing layer distal to the base substrate.

Abstract: The present disclosure provides a compensation apparatus and method of a light-emitting device and display substrate and fabrication method thereof. The apparatus of light-emitting device includes a light sensing circuit and a compensation amount computing circuit. The light sensing circuit is configured to output a first photo-generated current under a condition that the light-emitting device emits light, when the light-emitting device needs to be compensated. The compensation amount computing circuit is connected with the light sensing circuit, and configured to compute a compensation amount required to compensate the light-emitting device according to the first photo-generated current.

Abstract: The present disclosure relates to an organic luminescent substrate. The organic luminescent substrate may include a first organic luminescent field effect transistor and a second organic luminescent field effect transistor. The first organic luminescent field effect transistor may include a first gate electrode, a first electrode, a second electrode, and a first active luminescent layer. The second organic luminescent field effect transistor may include a second gate electrode, a third electrode, a fourth electrode, and a second active luminescent layer. One of the first organic luminescent field effect transistor and the second organic luminescent field effect transistor may be an N-type transistor and the other one may be a P-type transistor. The first gate electrode may be coupled to the second gate electrode.

Abstract: A display substrate and a method for manufacturing the same. The display substrate includes a stretchable substrate and a signal line on a first surface of the stretchable substrate. The first surface of the stretchable substrate is provided with a plurality of grooves spaced apart from each other, and the signal line includes a first portion within the grooves and a second portion outside the grooves.

Abstract: A mother substrate for display substrates, a manufacture method thereof, a display substrate and a display device are provided. The mother substrate for display substrates includes multiple display element formation regions and a dividing line surrounding each display element formation region. A recess-protrusion structure is provided between the dividing line and the display element formation region, the recess-protrusion structure includes multiple recesses and protrusions which are arranged alternately, and extension directions of the recess and the protrusion are identical to an extension direction of the dividing line.

Abstract: The embodiments of the present disclosure disclose a pixel circuit and a method for driving the same, a display panel and a display apparatus.

Abstract: The photoelectric detection circuit includes a pixel circuit and a phototransistor. The pixel circuit includes an infrared light-emitting element and is configured to emit infrared light according to a scanning signal and a light-emitting data signal. The phototransistor is configured to detect the infrared light emitted by the pixel circuit and reflected by a detection object in response to a sampling control signal.

Abstract: The present application provides a method of fabricating a stretchable electronic device. The method includes forming an elastomer polymer layer on a base substrate; selectively stiffening the elastomer polymer layer in a plurality of defined regions of the elastomer polymer layer, thereby forming a modified elastomer polymer layer having a plurality of stiffened portions respectively in a plurality of stiffened regions spaced apart by one or more elastomeric portions in one or more elastomeric regions, the plurality of stiffened portions having a Young's modulus greater than a Young's modulus of the one or more elastomeric portions; and forming a plurality of electronic devices respectively in the plurality of stiffened regions, each of the plurality of electronic devices formed on a side of one of the plurality of stiffened portions distal to the base substrate.

Abstract: This application provides an ultrasonic fingerprint recognition module including: a base substrate; at least one ultrasonic wave signal receiver and at least one ultrasonic wave signal transmitter on the base substrate, which are on a same side of the base substrate and spaced apart from each other in a first direction parallel to the base substrate; a piezoelectric sensing layer on a side of the at least one ultrasonic wave signal transmitter and the at least one ultrasonic wave signal receiver distal to the base substrate; and an electrode layer on a side of the piezoelectric sensing layer distal to the base substrate.

Abstract: The present disclosure relates to display technologies and, in particular, to a pixel driving circuit, a pixel driving method, and a display device. The pixel driving circuit includes first to fifth switching elements, a driving transistor, a first storage capacitor, and a second storage capacitor. The pixel driving circuit can eliminate the influence on the driving current caused by the threshold voltage of the driving transistor, the voltage drop resulting from the wire resistance, and the aging of the electroluminescent element, so as to ensure the consistency of the driving current output by each pixel driving circuit and the uniformity of brightness of each pixel display.

Abstract: A fingerprint detection touch control display apparatus. The fingerprint detection touch control display apparatus includes a base substrate; a plurality of touch sensors on the base substrate; and a counter substrate facing the base substrate. Each of the plurality of touch sensors includes an invisible light emitting element; a driving circuit configured to driving light emission of the invisible light emitting element; an invisible light sensor; and a light shield. The invisible light emitting element is configured to emit light toward the counter substrate at least a portion of the light being reflected by a touch object on the counter substrate into the invisible light sensor through a via extending through the light shield. The invisible light sensor is configured to detect the portion of the light thereby detecting a fingerprint information.

Abstract: A pixel circuit and a driving method thereof, and a display panel are provided. The pixel circuit included a data writing circuit, a driving circuit, and a compensation circuit. The data writing circuit is configured to write a data signal to the control terminal of the driving circuit in response to a scan signal; and the compensation circuit is connected with the control terminal of the driving circuit, the first terminal of the driving circuit, the second terminal of the driving circuit and a first voltage terminal, and is configured to store a data signal written by the data writing circuit, to compensate the driving circuit, and to adjust, by coupling, a voltage of the second terminal of the driving circuit.

Abstract: A pixel driving circuit is disclosed. A first electrode, a second electrode, and a third electrode of a driving sub-circuit respectively receives a first voltage signal, is coupled to the light-emission control sub-circuit, and to a first electrode of a second storage sub-circuit. A first electrode and second electrode of a first storage sub-circuit is coupled to a first node and receives a second voltage signal respectively. A second electrode of the second storage sub-circuit is coupled to a second node. A writing-compensation control sub-circuit is coupled to the first node and the second node, and receives a data signal, a gate signal, and a third voltage signal. A light-emission control sub-circuit is coupled to the first node, the second node, a second electrode of the driving sub-circuit, and the light-emission sub-circuit, and receives a light-emission control signal.

Abstract: The disclosure provides a display device including a stretchable display panel that includes multiple rows and columns of conventional pixels and a controller, a row of compensation pixels are between at least two adjacent rows of conventional pixels, and a column of compensation pixels are between at least two adjacent columns of conventional pixels. The controller is configured to: drive the compensation pixels between two adjacent columns of conventional pixels to emit light, when the stretchable display panel in a display state is stretched in a row direction; drive the compensation pixels between two adjacent rows of conventional pixels to emit light, when the stretchable display panel in the display state is stretched in a column direction; and control the compensation pixels not to emit light when the stretchable display panel is not stretched. The disclosure further provides a driving method of a display device.

Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a pixel drive layer, a light-emitting device, an encapsulation layer, a first insulation layer, and a covering layer. The base substrate includes a display region and a peripheral region, the peripheral region includes a first peripheral region and a second peripheral region. The first insulation layer is in the second peripheral region, and includes a first notch, a side edge of the first notch away from the display region overlaps with the edge of the base substrate. The covering layer is at least partially filled in the first notch, and an orthographic projection of the covering layer on the base substrate at least partially overlaps with an orthographic projection of the first notch on the base substrate.

Abstract: The present disclosure provides a display panel and a method for fabricating the same, a display device and a fingerprint recognition method and belongs to the field of display technologies. The display panel includes a base substrate, a plurality of pixel units and a plurality of photosensitive units. The photosensitive units and the pixel units are disposed on the same side of the base substrate. Each of the photosensitive units is disposed between adjacent ones of the pixel units.

Abstract: A display substrate and a method for manufacturing the same. The display substrate includes a stretchable substrate and a signal line on a first surface of the stretchable substrate. The first surface of the stretchable substrate is provided with a plurality of grooves spaced apart from each other, and the signal line includes a first portion within the grooves and a second portion outside the grooves.

Abstract: An electroluminescent display substrate and a manufacturing method thereof, and an electroluminescent display apparatus, are disclosed. The display substrate includes: a base substrate; an electroluminescent element on the base substrate, the electroluminescent element including a first electrode layer, a light-emitting layer and a second electrode layer which are disposed in sequence on the base substrate; an encapsulating layer disposed on the base substrate and covering the electroluminescent element; an aperture, the aperture at least penetrating the encapsulating layer; and at least one eave structure on the base substrate, the at least one eave structure surrounding the aperture, and being located between the aperture and the electroluminescent element. Each eave structure includes at least one undercut at one end of the eave structure close to the base substrate, and at least one of the light-emitting layer and the second electrode layer is disconnected at the at least one undercut.

Abstract: The present disclosure provides a touch display panel and a manufacturing method thereof and a display device, the touch display panel includes a first substrate and a second substrate arranged oppositely, light emitting units are arranged on the first substrate, each light emitting unit includes a first electrode, a light emitting layer and a second electrode which are arranged in sequence along a direction away from the first substrate; a touch control layer is arranged on the second substrate and includes a first touch pattern and a second touch pattern, the second touch pattern is located on a side of the first touch pattern distal from the second substrate, auxiliary electrodes are arranged on the second substrate, the auxiliary electrodes are spaced apart from the second touch pattern and arranged in a same layer as the second touch pattern, the auxiliary electrodes are in electrical contact with the second electrodes.