Abstract: Embodiments of the present disclosure provide a video processing method and apparatus, a device, a storage medium and a computer program product, where the method includes: playing an audio in a process of capturing a video; playing a first part of the audio at a changing speed according to a first speed change mode in response to recognizing that a target object presents a target state in a captured video image; obtaining a target video according to the captured video image and the audio; and playing, in the target video, a video image captured before the target object presents the target state at a constant speed, and playing, in the target video, a video image captured after the target object presents the target state at a changing speed according to a second speed change mode, where the audio is played at a constant speed.

Abstract: The present disclosure provides an organic light-emitting diode display substrate, a method of preparing the same, and a display device. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.

Abstract: The present disclosure provides an OLED display panel and an OLED display device, and belongs to the field of display technology. The OLED display panel of the present disclosure includes a base substrate and a display cover disposed opposite to each other; a polarizing layer disposed between the base substrate and the display cover; a light extraction layer disposed between the base substrate and the display cover; the OLED display panel is provided with a light exit surface, and the light extraction layer is closer to the light exit surface than the polarizing layer.

Abstract: A displaying base plate includes a transparent displaying region. The displaying base plate located within the transparent displaying region includes: a substrate base plate, including a plurality of pixel regions, wherein each of the pixel regions includes a light transmission region and a non-light transmission region; and a transparent-trace layer, a first insulating layer and a first metal-trace layer provided in stack on one side of the substrate base plate, wherein the transparent-trace layer includes a plurality of first transparent traces, the first metal-trace layer includes a plurality of first metal traces, orthographic projections of the first metal traces on the substrate base plate are located within the non-light transmission regions of different pixel regions, each two neighboring first metal traces are connected by one of the first transparent traces, and the first metal traces and the first transparent traces are connected by via holes in the first insulating layer.

Abstract: A micro-thrust and micro-impulse application device and method generates micro-thrust to a target by light pressure action from laser reflection. The device comprises a laser, a laser adjustment device, a beam splitter, a shutter, a reflector, and a laser power meter. Laser beam is generated by laser, adjusted by laser adjustment device, and divided into two paths by beam splitter. Laser in one path is measured at laser power meter; power measured determines magnitude for micro-thrust. In another path, it irradiates on the reflector on the target via shutter for generating micro-thrust. Light reflected by the reflector arrives at another laser power meter. Power of two laser paths are measured in real time by two laser power meters, acting micro-thrust is calculated by combining parameters including reflectivity and incident angle of laser irradiating the reflector, and light output power of the laser is adjusted in real time.

Abstract: A display substrate includes a base and blue light-emitting units disposed on the base. A blue light-emitting unit includes a first electrode, a first light-emitting layer and a second electrode that are sequentially disposed on the base. Of the first electrode and the second electrode, one electrode is configured to reflect light, and another electrode is configured to transmit light. The first light-emitting layer is configured to emit light having a spectrum whose full width at half maximum is less than or equal to 16 nm.

Abstract: The present disclosure is related to a light emitting diode. The light emitting diode may include a pixel unit which may include a first sub-pixel. The first sub-pixel may include a dummy electrode layer and a first electrode layer on the dummy electrode layer. The dummy electrode layer may include a first reflective layer. The first electrode layer may include a second reflective layer and a second transparent conductive layer on the second reflective layer.

Abstract: A display substrate, a display device, and a manufacturing method. The display substrate includes a TFT substrate, and a pixel defining layer provided on the TFT substrate and surrounding a plurality of pixel pits, wherein an electroluminescent device layer, a connection layer, a first encapsulation layer, and a quantum dot layer are sequentially stacked in each pixel pit; the connection layers in the adjacent pixel pits are connected to the side of the pixel defining layer facing away from the TFT substrate; and the connection layers are configured to be electrically connected to the electroluminescent device layers in the two adjacent pixel pits.

Abstract: A display substrate includes a base substrate, a thin film transistor array layer, a planarization layer, a first electrode and a pixel definition layer, the pixel definition layer defining a plurality of pixel openings, each pixel opening includes a first edge and a second edge adjacent to each other, the pixel definition layer includes a first pixel definition layer parallel to the first edge and a second pixel definition layer parallel to the second edge. A surface of the first pixel definition layer away from the base substrate is located at a level lower than a surface of the second pixel definition layer away from the base substrate, a groove parallel to the first edge is arranged in a surface of the planarization layer away from the base substrate, at least a part of the first pixel definition layer is arranged in the groove.

Abstract: A time synchronization method, a time synchronization sender, a time synchronization receiver and a time synchronization system are provided. The method includes: determining whether at least one parameter causing recalculation of a best master clock (BMC) algorithm changes; in a case where it is determined that the parameter changes, sending a 1588 standard-based Announce message; and in a case where it is determined that the parameter does not change, sending a keep-alive message of the Announce message. In the present disclosure, by distinguishing keep-alive messages from protocol messages, the problem that a CPU system is busy due to the processing of Announce messages is solved, thereby realizing the optimization of the 1588 protocol, and reducing the impact on the CPU.

Abstract: One of the main objects of the present invention is to provide a silicon microphone that is reasonably designed and can effectively improve electroacoustic performance. To achieve the above-mentioned objects, the present invention provides a silicon microphone including a substrate with a back cavity; and a capacitor system attached to and insulated from the substrate. The capacitor system includes a diaphragm and a back plate spaced from the diaphragm. At least one through hole is formed in the back plate. The diaphragm includes a vibration part in a middle thereof and a fixed part surrounding and spaced from the vibration part by a first slit. An orthographic projection of the vibration part on the substrate partially overlaps with the substrate thereby forming a second slit between the vibration part and the substrate and communicating with the first slit and the back cavity, respectively.

Abstract: A light emitting diode and a driving method thereof, a light source apparatus, and an electronic device are disclosed, relating to the technical field of semiconductors. The light emitting diode includes: a substrate; a reflective light-emitting layer disposed on the substrate; a first electrode, a second electrode, and a first insulating layer which are discretely disposed on the reflective light-emitting layer; a saturable absorber layer disposed on the first insulating layer; and a third electrode, a fourth electrode, and a reflective composite layer which are disposed on the saturable absorber layer, respectively, the reflectivity of the reflective light-emitting layer is greater than the reflectivity of the reflective composite layer; wherein the orthographic projections of the saturable absorber layer, the third electrode, the fourth electrode, and the reflective composite layer on the reflective light-emitting layer, respectively, do not overlap with the first electrode and the second electrode.

Abstract: A method, apparatus and system for calculating stress parameters is provided. The method comprises establishing a first image pyramid according to an image of a sample before deformation, and establishing a second image pyramid corresponding to the first image pyramid according to an image of the sample after deformation; starting from a top level in the first image pyramid, iteratively calculating displacement information on each level in the first image pyramid relative to a corresponding level in the second image pyramid based on a center point of each sub-region at each level in the first image pyramid and other positions in the sub-region; calculating strain information on the sample according to displacement information on a bottom level of the first image pyramid; and calculating stress parameters of the sample based on the strain information.

Abstract: Provided is a pharmaceutical composition and application thereof, specifically, said pharmaceutical composition comprises: salvianolic acid B as a first active ingredient; and ginsenoside Rg1 as a second active ingredient, and the weight ratio of the first active ingredient to the second active ingredient being 5: (1-4.5). The pharmaceutical composition has a better active-ingredient proportion than the prior art, has a better therapeutic efficacy in preventing and/or treating ischemic diseases, and ischemia-reperfusion tissue or organ damage, and can be used for treating ischemia and/or ischemia-reperfusion damage of different tissues and organs.

Abstract: The pixel circuit includes a write-in compensation module for writing data signal(s) into a light emission device through a driving transistor and compensating a threshold voltage of the driving transistor; a first reset module for providing a signal of a first reset signal end to a gate of the driving transistor under control of a first reset control end; a second reset module for providing a signal of a second reset signal end to an anode of the light emission device under control of a second reset control end; and a light emission control module for connecting a drain electrode of the driving transistor with the anode under control of a light emission control end. A cathode of the light emission device is connected with a first power source voltage end; a potential of the first reset signal end is larger than a potential of the second reset signal end.

Abstract: The present disclosure provides an organic electroluminescent device, a display panel and a display device, including a first electrode, a first light-emitting layer, a first electron transport layer, an N-type charge generation layer, a P-type charge generation layer, a first hole transport layer, a second light-emitting layer and a second electrode that are stacked; where the N-type charge generation layer includes a host electron transport material and a first guest electron transport material having a set matching energy level there between.

Abstract: A color filter substrate, a manufacturing method thereof and a display panel are provided. The color filter substrate includes a first substrate, at least one spacer on a side of the first substrate, at least one electrode on a side of the at least one spacer facing away the first substrate, and at least two elastic supports on the side of the first substrate. In a plane parallel with an extending plane of the first substrate, a periphery of each spacer comprises at least two of the elastic supports, and in a direction perpendicular to the extending plane of the first substrate, a sum of a height of the spacer and a thickness of the electrode on the spacer is smaller than a height of each of the elastic supports in the periphery of the spacer.