Abstract: Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for communicating and sharing blockchain data. One of the methods includes sending current state information associated with a current block of a blockchain to one or more shared storage nodes of the blockchain network; sending a hash value to the one of the one or more shared storage nodes for retrieving an account state stored in the historic state tree; receiving the account state in response to sending the hash value; and verifying, by the consensus node, that the account state is part of the blockchain based on the hash value.

Abstract: A touch structure, a touch panel and a display device are provided. The touch structure includes a plurality of repeating units. Each of the repeating units includes: a first touch electrode extending in a first direction, the first touch electrode including two parts connected with each other, each part of the first touch electrode including a first section having a first width, a second section having a second width, and a first tip section; a second touch electrode extending in a second direction, the second touch electrode including two parts, each part of the second touch electrode including a third section having a third width and a second tip section; and dummy electrodes provided in regions of each of the repeating units not provided with the first touch electrode and the second touch electrode.

Abstract: A display panel and a liquid crystal display device are disclosed. The display panel includes an array substrate, a color filter substrate, an alignment film, a liquid crystal layer, and at least a bank portion. The bank portion is disposed on a peripheral region of the display area, and includes at least a first platform and at least a second platform. An edge of the alignment film adjoins the bank portion, and the first platform has a thickness different than a thickness of the second platform. By disposing the bank portion on the display panel, thicknesses of the alignment film in middle and peripheral areas of the display panel are substantially the same, and non-uniform brightness of the peripheral areas of the display area can be prevented.

Abstract: Embodiments of this application provide a method and an apparatus for obtaining optical distribution network (ODN) logical topology information, a device, and a storage medium. The method includes: obtaining identification information of each first ONU that is connected to a first passive optical network (PON) port and whose optical path changes and feature data of the first ONU in a first time window, where the feature data includes receive optical power and/or an alarm event; obtaining, based on the feature data of each first ONU, a feature vector corresponding to each first ONU; and performing cluster analysis on the feature vector corresponding to each first ONU, to obtain topology information corresponding to the first PON port. ONU topology information is obtained by analyzing an ONU feature.

Abstract: Blockchain-based exchange method and apparatus for available resource quotas are disclosed. An example of method comprises: selecting, by a management node of a blockchain network, a set of object nodes as a target object according to a selection rule; determining, by the management node for each object node in the target object, a resource quota; determining, by the management node for the each object node, virtual resources corresponding to the resource quota as virtual resource decrements corresponding to the object node; and constructing, by the management node, a quota exchange transaction comprising the determined virtual resource decrements corresponding to the object node, and adding the quota exchange transaction to a blockchain on the blockchain network.

Abstract: A method implemented by an optical line terminal (OLT) comprising a memory storage comprising instructions, a processor in communication with the memory, wherein the processor executes the instructions to generate a multi-rate downstream frame having a pre-defined length, the multi-rate downstream frame comprising a plurality of subframes that are each associated with a respective data rate, and a transmitter coupled to the processor and configured to transmit each subframe of the plurality of subframes of the multi-rate downstream frame at the respective data rate.

Abstract: A light-emitting module includes a light-shielding sheet, a light guide plate, a light barrier, a circuit board, and first and second light-emitting elements. The light-shielding sheet includes a first pattern area and a second pattern area. The light guide plate is disposed under the light-shielding sheet and has a microstructure disposed corresponding to the second pattern area. The light barrier is disposed under the light guide plate and has first and second holes. The circuit board is disposed under the light barrier. The first light-emitting element is disposed on the circuit board, enters the first hole, and is configured to emit light toward a bottom surface of the light guide plate. The second light-emitting element is disposed on the circuit board, passes through the second hole, and is configured to emit light toward a side surface of the light guide plate.

Abstract: The present disclosure provides a light emitting device and a manufacturing method thereof, a display panel and a display apparatus. The light emitting device includes a substrate; a light emitting element on the substrate; and a light coupling layer on a light emitting side of the light emitting element, wherein a thickness of the light coupling layer gradually decreases in a direction from a central region of the light emitting device toward an edge region of the light emitting device.

Abstract: A security check system using face ID sensing for secure access to an electronic platform includes a camera. The camera includes an imaging lens configured to form a modulated image of an object positioned in front of the camera. The modulated image of the object includes deviations from an ideal image. The security check system further includes a computer memory configured to store face ID data of an authorized person. The face ID data is generated from one or more modulated images of a live face of the authorized person acquired by the camera during a registration process. The security check system further includes a processing module configured to analyze the modulated image of the object to extract facial signatures, compare the facial signatures to the face ID data, and determine whether the object is the live face of the authorized person based on the comparison.

Abstract: Provided herein is a mobile robot including: a first carrying device configured to carry a first item; a second carrying device configured to carry a second item; a control device connected to the first driving device and the second driving device and configured to control operation of the first driving device and the second driving device; the first driving device configured to drive, under control of the control device, the mobile robot to travel along a delivery path matching routings of the first item and the second item; and the second driving device, connected to the first carrying device and the second carrying device and configured to drive, under the control of the control device, the first carrying device to deliver the first item and the second carrying device to deliver the second item.

Abstract: The present disclosure relates to information transmission methods, optical line terminations (OLTs), optical network units (ONUs), and communications systems. One example method on an OLT side includes allocating, by the OLT, an identifier to a first ONU through a first channel, performing, through the first channel, ranging on the first ONU to obtain ranging information about the first channel, and after determining, by the OLT and the ONU through negotiation, to use two channels to perform information transmission, performing, by the OLT, data transmission of a first service with the first ONU through a second channel.

Abstract: The present invention provides an encapsulation structure and a display device, the encapsulation structure includes a frame, a sidewall edge of the frame is provided with at least one first buckle along a sidewall direction of the frame; and a bracket, a sidewall of the bracket is protruded from an inner surface thereof to provide at least one second buckle, wherein when the frame is inserted into the bracket, the first buckle engages with the second buckle corresponding to the first buckle.

Abstract: The present disclosure provides a display assembly, a display device and a method for controlling the display device. The display assembly includes a first polarizer, a first liquid crystal panel, a second polarizer, a second liquid crystal panel and a third polarizer laminated one on another sequentially. One of the first liquid crystal panel and the second liquid crystal panel is a display panel, and the other is a light-transmitting control panel. The display assembly further includes a first semi-transparent reflective layer and a second semi-transparent reflective layer located on two sides of the light-transmitting control panel, respectively.

Abstract: A method and circuit for obtaining a capacitive feedback signal of a capacitive feedback micro torsion mirror are provided to solve the problem of poor stability of the capacitive feedback signals of the micro torsion mirror. First, a pulse signal is used as a driving signal to drive the capacitive feedback micro torsion mirror to vibrate; it is ensured that the micro torsion mirror may twist freely for at least 0.5 cycles during an interval of two adjacent sets of driving pulses; secondly, the capacitive feedback signal of the capacitive feedback micro torsion mirror is extracted, and converted into a voltage signal; then, the voltage signal is amplified; and finally extracted during the interval of the two adjacent sets of driving pulses, and taken as a real capacitive feedback signal. A carrier generation circuit and a detection circuit are omitted, and the influence of the carrier generation circuit and the detection circuit on a capacitive feedback signal is eliminated.

Abstract: A display panel and a method of manufacturing the same are provided. The display pane includes an array substrate; a plurality of pixel defining portions, the pixel defining portions spaced apart from each other on the array substrate; a plurality of pixel units, each of the pixel units including: a plurality of sub-pixels, each of the sub-pixels disposed between corresponding adjacent pixel defining portions, each of the sub-pixels including a light emitting layer for emitting light and a hole injection layer. A thickness of the hole injection layer is positively correlated with a wavelength of light emitted by a corresponding light emitting layer.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a base substrate; a plurality of gate lines on the base substrate; and a touch electrode layer located on a side, away from the base substrate, of a layer where the gate lines are located. The touch electrode layer includes a plurality of touch electrodes, and the touch electrodes are provided with first hollowed-out areas at the positions of at least part of the gate lines.