Abstract: The disclosure provides a shelf label communication method based on a synchronous network, a shelf label system and a computer device. In the method, an electronic shelf label establishes a first timing task of a timer when receiving a timing service instruction; determines a timing duration of the first timing task based on a time difference between current local system time when the timing service instruction is received and the instruction execution system time, and starts the first timing task; the electronic shelf label cyclically calibrates a current timing duration in the first timing task based on the periodically received base-station system time, to obtain the calibrated current timing duration.

Abstract: An organic light-emitting display panel has a display area and a non-display area and includes a base substrate, an organic light-emitting layer arranged at a side of the base substrate and including a plurality of light-emitting units, a pixel definition layer including a plurality of first openings, a microlens layer arranged at a side of the pixel definition layer facing away from the base substrate, and a refractive index matching layer located on a side of the microlens layer facing away from the base substrate and including at least one second sub-microlens. The second sub-microlens protrudes along a direction from the pixel definition layer to the base substrate. An orthogonal projection of the second sub-microlens on the base substrate at least partially overlaps with an orthogonal projection of the light-emitting unit on the base substrate.

Abstract: This disclosure provides a method of dynamically adjusting timing between adjacent networks in a synchronous network and an electronic shelf label system. The method includes: determining, by a server, a timing adjustment direction and a timing adjustment value of a current network based on an interference timing relationship diagram; generating, by the server, a corresponding adjustment task form the timing adjustment direction and the timing adjustment value of the current network, and sending the adjustment task to a master base station in the current network in the processing of each of the current networks, such that the master base station and a secondary base station dynamically adjust timing based on the adjustment task.

Abstract: An organic light-emitting display panel has a display area and a non-display area and includes a base substrate, an organic light-emitting layer arranged at a side of the base substrate and including a plurality of light-emitting units, a pixel definition layer including a plurality of first openings, and a microlens layer arranged at a side of the pixel definition layer facing away from the base substrate and including at least one first sub-microlens. One light-emitting unit of the plurality of light-emitting units is located in one of the plurality of first openings. One first sub-microlens of the at least one first sub-microlens protrudes along a direction from the base substrate to the microlens layer. An orthogonal projection of one first sub-microlens of the at least one first sub-microlens on the base substrate overlaps with an orthogonal projection of the pixel definition layer on the base substrate.

Abstract: Provided is a positioning method and device, an electronic device and a storage medium. The method includes that: an identification image captured at a first site is acquired; according to identification information of a first identifier extracted from the identification image, position information of the first identifier is determined; and position information of the first site is determined based on the position information of the first identifier and projection information of the first identifier in the identification image.

Abstract: This disclosure provides a method of dynamically adjusting timing between adjacent networks in a synchronous network and an electronic shelf label system. The method includes: determining, by a server, a timing adjustment direction and a timing adjustment value of a current network based on an interference timing relationship diagram; generating, by the server, a corresponding adjustment task form the timing adjustment direction and the timing adjustment value of the current network, and sending the adjustment task to a master base station in the current network in the processing of each of the current networks, such that the master base station and a secondary base station dynamically adjust timing based on the adjustment task.

Abstract: An information processing method includes: three-dimensional (3D) point information of a 3D point cloud is obtained; a two-dimensional (2D) point cloud image from projection of the 3D point cloud on a horizontal plane is generated based on the 3D point information; and projection coordinates of 3D points comprised in the 3D point cloud in a reference coordinate system of a reference plane graph are determined based on a consistency degree that the 2D point cloud image has with the reference plane graph, where the reference plane graph is used for representing a projection graph with reference coordinates that is obtained through the projection of a target object on the horizontal plane, and the 3D point cloud is used for representing 3D space information of the target object.

Abstract: The present disclosure provides a multi-path universal asynchronous transceiver (UART) and transmission method thereof. The multi-path UART comprises a first buffer, a second buffer, and a tx aggregation and arbitration circuit respectively coupled to the first buffer and the second buffer and presets a predetermined threshold. The tx aggregation and arbitration circuit polls the first buffer and the second buffer according to the predetermined threshold, and executes an arbitration procedure on the first buffer and the second buffer to obtain at least one of first log information packet and at least one of second log information packet correspondingly. Thus, when inputting a plurality of log sources, it is not necessary to have a plurality of output pins and to avoid disorder caused by the cross-influence of multiple log information for resource conservation and providing log information correctness.

Abstract: The present application provides a method for a WiFi module and system of the same. The method including: determining whether a specific process is a high-power consumption event; and when the specific process is determined as the high-power consumption event, performing a time-divisional operation upon the specific process. The present application further provides another method for a WiFi module, including: determining whether a specific process is a high-power consumption event; and when the specific process is determined as the high-power consumption event, estimating a first power consumption request information and transmitting the information to a control module of a local end; and receiving a first response corresponding to the first power consumption request information from the control module.

Abstract: A frequency measurement method and a system thereof are provided. The method includes: generating to-be-detected emergent light under an action of the electro-optical crystal when a light source irradiates an electro-optical crystal disposed in the microwave electric field; detecting, by a single-photon detector, the to-be-detected emergent light to obtain a detection result of the single-photon detector; and determining a frequency of the microwave signal based on the detection result of the single-photon detector and a Fourier transform algorithm.

Abstract: The present disclosure provides a display panel having a first display area and a second display area, the display panel including: a substrate; a driving device layer on a side of the substrate, including transistors; a first electrode layer in the first display area and on a side of the driving device layer away from the substrate, including first electrodes; a first transparent part in the first display area and between the driving device layer and the first electrode layer, including first padding layers, which are electrically connected to the transistors; and a second transparent part in the first display area and between the first transparent part and the first electrodes, including second padding layers for connecting to the first padding layers, that the transistors transmit signals to the first electrodes through the first padding layers and the second padding layers.

Abstract: Disclosed are a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate; a plurality of organic light emitting elements, which are located on a side of the substrate; a film encapsulation layer, which is located on a side of the plurality of organic light emitting elements facing away from the substrate; wherein the film encapsulation layer covers the plurality of organic light emitting elements, the film encapsulation layer comprises a first inorganic layer, a lens layer and a second cover layer, the lens layer is located between the first inorganic layer and the second cover layer, and the second covering layer is located on a side of the first inorganic layer facing away from the plurality of organic light emitting elements; wherein the lens layer comprises a plurality of lenses, and a material of the second cover layer is an inorganic material.

Abstract: Disclosed are a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate, multiple organic light emitting elements, and a film encapsulation layer. The film encapsulation layer covers more than one of the multiple organic light emitting elements, the film encapsulation layer includes a lens layer and a first cover layer, the lens layer is located on a side of the first cover layer facing the organic light emitting elements, materials of the lens layer and the first cover layer are both organic materials, a refractive index of the lens layer is M, a refractive index of the first cover layer is N, N<M, the lens layer includes multiple lenses, and a surface of each of the multiple lenses facing away from the organic light emitting elements is convex towards a side facing away from the multiple organic light emitting elements.

Abstract: An organic light-emitting display panel has a display area and a non-display area and includes a base substrate, an organic light-emitting layer arranged at a side of the base substrate and including a plurality of light-emitting units, a pixel definition layer including a plurality of first openings, and a microlens layer arranged at a side of the pixel definition layer facing away from the base substrate and including at least one first sub-microlens. One light-emitting unit of the plurality of light-emitting units is located in one of the plurality of first openings. One first sub-microlens of the at least one first sub-microlens protrudes along a direction from the base substrate to the microlens layer. An orthogonal projection of one first sub-microlens of the at least one first sub-microlens on the base substrate overlaps with an orthogonal projection of the pixel definition layer on the base substrate.

Abstract: The present disclosure provides a display panel, including a substrate, a pixel driving circuit, a planarization layer, and a display area. The planarization layer is arranged on a side of the pixel driving circuit away from the substrate. The planarization layer includes a first area and a second area. The first area and the second area are in a direction perpendicular to the substrate. A vertical distance from a surface of the first area away from the substrate to the substrate is greater than a vertical distance from a surface of the second area away from the substrate to the substrate. The display area includes a second light-shielding layer arranged between the substrate and the planarization layer. In the direction perpendicular to the substrate, a projection of the second light-shielding layer partially overlaps with a projection of the first area.

Abstract: An organic light-emitting display panel having a display area and a non-display area surrounding the display area and includes a base substrate, an organic light-emitting layer, a pixel definition layer, and a microlens layer that are located in the display area is disclosed. The organic light-emitting layer is located at a side of the base substrate and includes light-emitting units. The pixel definition layer includes first openings, and each light-emitting unit is located in one of the first openings. The microlens layer is located at a side of the pixel definition layer facing away from the base substrate and includes at least one first microlens. An orthogonal projection of the first microlens on the base substrate is located between orthogonal projections of two adjacent first openings on the base substrate.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a display area, including a first display area. The first display area includes light non-transmissive areas and light transmissive areas, and sub-pixels in the light non-transmissive areas include a first light-shielding layer, a pixel driving circuit, and a light-emitting structure layer. In a direction perpendicular to a substrate, a projection of the first light-shielding layer covers a projection of the light-emitting structure layer and a projection of at least one transistor of the pixel driving circuit.

Abstract: Display panels and display devices are provided. The display panel may include a first display area, a second display area and a third display area with a light transmittance of the first display area being greater than a light transmittance of the third display area; first pixel circuits; second pixel circuits; third pixel circuits; first light-emitting units, second light-emitting units; third light-emitting units; and first signal lines extending along a first direction and spaced apart along a second direction intersecting the first direction. Each first signal line is connected with one or more first pixel circuits, one or more second pixel circuits and one or more third pixel circuit, and the one or more first pixel circuit and the one or more third pixel circuit electrically connected to each of at least one portion of first signal lines are misaligned along the first direction.

Abstract: Methods, apparatus, systems and computer-readable storage media for calibration of image acquisition devices are provided. In one aspect, a calibration method includes: obtaining one or more images collected by an image acquisition device, the one or more images including information of a plurality of calibration plates with different position-orientation information and without being shaded by each other; detecting corner points corresponding to the plurality of calibration plates in each of the one or more images; and calibrating the image acquisition device based on the detected corner points.

Abstract: Methods, devices, systems, and computer-readable storage media for calibration of sensors are provided. In one aspect, a calibration method for a sensor includes: obtaining an image acquired by a camera of a sensor and obtaining radar point cloud data acquired by a radar of the sensor, a plurality of calibration plates being located within a common Field Of View (FOV) range of the camera and the radar and having different position-orientation information; for each of the plurality of calibration plates, detecting first coordinate points of the calibration plate in the image and second coordinate points of the calibration plate in the radar point cloud data; and calibrating an external parameter between the camera and the radar according to the first coordinate points and the second coordinate points of each of the plurality of calibration plates.