Abstract: Techniques are described for configuration and/or transmission of reference signals. An example wireless communication method includes transmitting, by a first network device, a first reference signal to a second network device, where the first reference signal is transmitted on N occasions, where each of the N occasions is based on a first set of time domain resources and a first set of frequency domain resources of the first reference signal, where each of the N occasions includes X time units in time domain and Y frequency units in frequency domain, and where N, X, and Y are integers greater than or equal to 1; and receiving, by the first network device from the second network device, a measurement report in response to the transmitting the first reference signal.

Abstract: Provided are a display panel and a driving method thereof, and a display device. A light emission control transistor of a pixel driving circuit in the display panel is connected in series between the anode of a light-emitting element and a first power signal line. A cathode switch transistor is connected in series between the cathode of the light-emitting element and a second power signal line. In at least one light emission stage, the time when the cathode switch transistor is turned on lags behind the time when the light emission control transistor is turned on.

Abstract: In accordance with some embodiments of the present disclosure, a diamond-like carbon coating is provided. The diamond-like carbon coating may include a substrate and a diamond-like carbon film formed on the substrate. The diamond-like carbon film may include a plurality of layers of diamond-like carbon. A first layer of diamond-like carbon in the diamond-like carbon film is softer than a second layer of diamond-like carbon in the diamond-like carbon film. In some embodiments, the diamond-like carbon coating may further include a barrier layer and/or a UV protection layer formed between the substrate and the diamond-like carbon film. In some embodiments, the diamond-like carbon coating may further include a hydrophobic layer formed on the diamond-like carbon film. The diamond-like carbon coating is optically transparent.

Abstract: A display panel and a display device are provided. The display panel includes a fingerprint identification area, at least one support unit, and a pixel definition layer. The fingerprint identification area includes a light-transmitting area and a non-light-transmitting area. The support unit is disposed in the light-transmitting area and the non-light-transmitting area. The pixel definition layer includes a plurality of aperture areas each exposing at least one light-emitting unit. Each aperture area has a first neighboring side adjacent to a support unit having a second neighboring side disposed opposite to the first neighboring side. The second neighboring side has an effective length that is parallel to and directly facing the first neighboring side, and the effective length is smaller than a length of the first neighboring side; or, the support unit is disposed adjacent to the first neighboring side, which is a short side of the aperture area.

Abstract: A display panel and a display device are provided. The display panel includes a fingerprint identification area, at least one support unit, and a pixel definition layer. The fingerprint identification area includes a light-transmitting area and a non-light-transmitting area. The support unit is disposed in the light-transmitting area and the non-light-transmitting area. The pixel definition layer includes a plurality of aperture areas each exposing at least one light-emitting unit. Each aperture area has a first neighboring side adjacent to a support unit having a second neighboring side disposed opposite to the first neighboring side. The second neighboring side has an effective length that is parallel to and directly facing the first neighboring side, and the effective length is smaller than a length of the first neighboring side; or, the support unit is disposed adjacent to the first neighboring side, which is a short side of the aperture area.

Abstract: A display panel and fabrication method, and a display device are provided. The display panel includes a base substrate and a plurality of first units formed over the base substrate. A first unit includes an organic light-emitting diode, a fingerprint recognition unit, and a first micro-cavity. The organic light-emitting diode includes an anode, a cathode disposed opposite to the anode, and an organic light-emitting layer disposed between the anode and the cathode. The display panel also includes a plurality of first film layers formed over the base substrate. A first film layer is disposed between two adjacent mutually insulated anodes. The cathode covers the anode and the first film layer, and the first micro-cavity is formed between the first film layer and the cathode. The fingerprint recognition unit is disposed over a side of the first film layer away from the cathode.

Abstract: A power control device is adapted for controlling output power of an electric vehicle including a motor, an accelerator pedal, and a sensing module that senses an accelerator pedal depth and a vehicle speed to provide a sensed pedal depth and a sensed vehicle speed. The power control device includes a condition judging module operable to make a judgment of at least one of an acceleration condition, a starting condition, and a load condition based on the sensed pedal depth and the sensed vehicle speed from the sensing module, and a control module operable to generate a torque output signal according to the judgment made by the condition judging module, so as to control an output torque of the motor.

Abstract: A computer implemented method, apparatus, and computer program product for optimizing a non-uniform memory access system. Each thread in a set of threads is affinitized to a processor in a set of processors at different times to form a temporarily affinitized thread, wherein a single temporarily affinitized thread is present. The set of threads execute on the set of processors to perform one or more tasks each time the temporarily affinitized thread is formed. Information is collected about memory accesses by the temporarily affinitized thread. Based on the collected information about the memory accesses, at least one thread in the set of threads is permanently affinitized to a processor in the set of processors.

Abstract: A programmed electronic ballast circuit including a voltage maintenance circuit to ensure that the integrated circuit continues to oscillate and drive the half-bridge inverter until the DC bus voltage falls to a level insufficient to permit the fluorescent bulbs at the output to ignite. Additionally, the voltage maintenance circuit drives the voltage of the integrated circuit down to a level whereby proper resetting of the integrated circuit and proper preheating of the florescent bulb filaments is assured.