Abstract: A pixel driving circuit includes a current controlling module, an outputting module and a time length controlling module including a comparator, a first energy storage element, an offset voltage writing sub-circuit, and first and second output sub-circuits. First terminal of first energy storage element is connected with first input terminal of comparator and second terminal with the first output sub-circuit. The second output sub-circuit is connected with second input terminal of comparator. The offset voltage writing sub-circuit writes an offset voltage of comparator to the first energy storage element. One of the first and second output sub-circuits outputs time signal and the other outputs reference voltage signal. The comparator outputs comparison signal according to the time signal and the reference voltage signal. The current controlling module outputs current signal.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate; an anode structure, disposed on the base substrate; a light emitting layer, disposed on a side of the anode structure away from the base substrate; and a cathode layer, disposed on a side of the light emitting layer away from the base substrate, the anode structure includes a reflective layer and an inorganic layer disposed on a side of the reflective layer away from the base substrate, the cathode layer includes a transflective layer, and the inorganic layer is configured to adjust a distance between the reflective layer and the transflective layer.

Abstract: A pixel circuit includes a current control circuit, a time control circuit, and a light-emitting component, which are electrically coupled to one another in series along a common passage path of a driving current. The current control circuit is configured to control an intensity of the driving current according to a display data signal received thereby. The time control circuit is configured to control a passage time of the driving current according to a time data signal and a switch control signal received thereby. The light-emitting component is configured to emit a light according to the intensity and the passage time of the driving current.

Abstract: The present application discloses pixel circuit including a current-control circuit coupled respectively to a first data-signal terminal, a first voltage terminal, a first scan-signal terminal, and a first output node. The current-control circuit is configured to output a driving current to the first output node based on a first data signal and a first voltage signal in response to a first scan signal. The pixel circuit further includes a timing-control circuit coupled respectively to a second data-signal terminal, a second scan-signal terminal, multiple modulation-signal terminals, the first output node, and a second output node. The timing-control circuit is configured to select one modulation signal based on a second data signal in response to a second scan signal and to output the driving current from the current-control circuit via the second output node to a light-emitting device based on the modulation signal.

Abstract: A pixel circuit and driving method are provided. The pixel circuit includes a light emitting device having a first terminal and a second terminal; a driving circuit, electrically connected to the first terminal of the light emitting device, for providing power to the light emitting device; a voltage comparator for generating a pulse width modulated signal having a duty cycle based on a data voltage and a reference voltage; an offset voltage detecting circuit, electrically connected to an output terminal of the voltage comparator, for detecting an input offset voltage of the voltage comparator; and a data voltage compensation circuit, electrically connected to the offset voltage detecting circuit, for compensating the data voltage according to the input offset voltage detected.

Abstract: The present disclosure provides an array substrate, a method for fabricating the array substrate, a display panel, and a display device, wherein there is disposed a shielding layer insulated from each of anodes and capable of shielding an electric field between two adjacent pixels, so that when a pixel emits light, an electric field between an anode in the pixel emitting light and an anode in an adjacent pixel can be shielded. Thus, it is possible to avoid a coupling voltage at the anode in the adjacent pixel caused by the anode in the pixel emitting light under the coupling effect, thereby eliminating the interference with the pixel light emission from the coupling effect between the anodes in the two adjacent pixels, and improving the display effect.

Abstract: The present disclosure provides a pixel circuit and a display device. The pixel circuit includes a light-emitting element, a first voltage control circuit, a light-emitting control circuit, a second voltage control circuit, a control capacitor circuit and a reference voltage write circuit. The reference voltage write circuit is configured to write a reference voltage to the first electrode of the light-emitting element. The second voltage control circuit is configured to, under control of the first gate drive signal, control the second electrode of the light-emitting element to be coupled with the control node, thereby controlling the light-emitting element to be turned on, so that the control capacitor circuit is charged by the reference voltage, a potential at the control node is changed accordingly, until the light-emitting element is turned off.

Abstract: A pixel circuit and a driving method thereof, a display substrate, and a display device are provided. The pixel circuit includes a driving circuit and a compensation circuit, the compensation circuit can connect the output terminal with the second power terminal to receive a second power signal under control of the voltage signal of the control node and a level of the second driving node.

Abstract: A pixel driving circuit includes a current control circuit and a time control circuit, the current control circuit controls to generate a driving current, and outputs the driving current through a driving current output terminal, the time control circuit includes a first data writing-in circuit and a driving time control circuit. The first data writing-in circuit writes a first data voltage provided by a first data line to the driving time control circuit under the control of a first gate driving signal provided by a first gate line. The driving time control circuit is connected to a reference voltage terminal, the current control circuit, the first data writing-in circuit, and a light emitting element, and controls a light emitting time period of the light emitting element based on the reference voltage and the first data voltage, the reference voltage terminal is used to provide the reference voltage.

Abstract: A pixel driving circuit and a display device are provided. The pixel driving circuit includes a voltage control circuit and a light-emitting time control circuit. The voltage control circuit is configured to control a voltage at a voltage writing node according to a first data voltage on a first data line; the light-emitting time control circuit is configured to connect the voltage writing node to a first electrode of a light-emitting device or disconnect the voltage writing node from the first electrode of the light-emitting device according to a second data voltage on a second data line and a reference voltage at a reference voltage terminal; and a second electrode of the light-emitting device is electrically connected to a first voltage terminal.

Abstract: A motorized latch retraction system for transitioning a latch of an exit device from a latched position to an unlatched position is provided. The motorized latch retraction system includes a lock indicator indicating the latched or unlatched position of the latch and a floating motor.

Abstract: A pixel driving circuit, a pixel driving method and a display device are provided. The pixel driving circuit includes a pixel sub-circuit and a power supply control sub-circuit, the pixel sub-circuit includes a first connection terminal, a second connection terminal and a light-emitting element, and is configured to respectively receive a first voltage and a second voltage to drive the light-emitting element to emit light. The power supply control sub-circuit is configured to, in a first state, control the first power supply terminal to provide the first voltage to the first connection terminal of the pixel sub-circuit, control the second power supply terminal to provide the second voltage to the second connection terminal of the pixel sub-circuit, and store energy; and in a second state, release the energy to the first connection terminal and the second connection terminal of the pixel sub-circuit to drive the light-emitting element to emit light.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a pixel defining layer, and a first electrode layer between the base substrate and the pixel defining layer. The pixel defining layer defines a plurality of sub-pixels on the base substrate, the first electrode layer comprises a plurality of first electrodes, and the plurality of first electrodes being separated from each other by gaps, and an orthographic projection of the pixel defining layer on the base substrate covers an orthographic projection of the gap on the base substrate.

Abstract: What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure, What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within. the scope of the present disclosure.

Abstract: A flexible display screen, a bending detection method and device, a driving method are disclosed. The flexible display screen includes an array substrate, a light emitting device on a side of the array substrate, and an elastic conductor layer on a side of the array substrate distal to the light emitting device. The array substrate includes at least one target region, and a plurality of storage capacitors in each target region. The array substrate further includes a target electrode-plate including first electrode-plates of storage capacitors in the same target region. The target electrode-plate is electrically connected to a detecting signal terminal, and the detecting electrode-plate includes at least the target electrode-plate. The array substrate is configured to form a bending detection capacitor collectively by the detecting electrode-plate and the elastic conductor layer in response to the target electrode-plate receives detecting signal.

Abstract: The invention discloses equipment and preparation method for open and continuous growth of a carbon nanomaterial. The equipment comprises a metal foil tape feeding system, a CVD system and a collection system. The method includes continuously conveying a metal foil tape pretreated or not into the CVD system via the metal foil tape feeding system, depositing a required carbon nanomaterial on the surface of the metal foil tape by CVD, directly collecting by the collection system or directly post-treating the carbon nanomaterial by a post-treatment system, and even directly producing a end product of the carbon nanomaterial. All the systems in the invention are arranged in the open atmosphere rather than an air-isolated closed space. The invention can realize round-the-clock continuous operation to greatly improve the production efficiency of carbon nanomaterials.

Abstract: A method for fabricating the organic light emitting diode includes providing a substrate, forming an anode electrode layer on the substrate, forming a passivation layer on the anode electrode layer, the passivation layer having an area smaller than that of the anode electrode layer, performing ion bombardment of the anode electrode layer and the passivation layer, and removing the passivation layer.

Abstract: A pixel circuit and a driving method thereof, a display substrate, and a display device are provided. The pixel circuit includes a driving circuit and a compensation circuit, the compensation circuit can connect the output terminal with the second power terminal to receive a second power signal under control of the voltage signal of the control node and a level of the second driving node.

Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.

Abstract: Embodiments of the present disclosure provide a thin film encapsulation structure and a method for manufacturing the same. The thin film encapsulation structure includes a laminated layer for encapsulating a member to be encapsulated located on a substrate, the laminated layer including an organic layer and an inorganic layer alternately stacked, wherein an outermost layer of the laminated layer is the inorganic layer, the organic layer having an inner surface facing the member, an outer surface opposite to the inner surface, and an end surface located between the inner and outer surface and extending over a region, at a periphery of the member, of the substrate, a restriction layer, for positioning the organic layer, located between the end surface of the organic layer and a surface of the substrate, wherein the organic layer has one of hydrophilicity and hydrophobicity and the restriction layer has the other of hydrophilicity and hydrophobicity.