Abstract: The invention provides an organic electroluminescent material and application thereof. The organic electroluminescent material of the invention contains pyrazine and cyano groups, has the structure of Formula (I). The organic electroluminescent device manufactured by doping with the compound of the invention can significantly improve the power efficiency, and can reduce the turn-on voltage.

Abstract: The present invention relates to preparation and application of a N{circumflex over (?)}N{circumflex over (?)}C{circumflex over (?)}O tetradentate platinum (II) complex, and belongs to the field of an OLED organic electroluminescence material. The complex of the present invention has the following structural formula, is used for a phosphorescent doped material achieving a photon emission effect in a light-emitting layer of an OLED luminescent device. The complex of the present invention has the advantages of high fluorescence quantum efficiency, high thermal stability and low quenching constant, and can be used for manufacturing an orange red light OLED device with a high luminous efficiency and a low roll-off factor.

Abstract: The present invention relates to an organic metal compound and application thereof. The organometallic compound has a structure as shown in Formula I. The compound provided by the present invention has the advantages of low sublimation temperature, high light and electricity stability, high luminous efficiency, long lifetime, high color saturation and the like, can be used in an organic light-emitting device, and particularly has a possibility of being applied to an AMOLED industry as a red luminescent phosphorescent material.

Abstract: Preparation of n{circumflex over (?)}n{circumflex over (?)}c{circumflex over (?)}n tetradentate platinum (ii) complex and uses thereof are provided. The complex of the present invention has a structure as shown in Formula (11). The performance of an organic electroluminescence device prepared from the complex of the present invention is better than that of a reference device. A great application value is realized on an OLED (organic light-emitting diode), and the N{circumflex over (?)}N{circumflex over (?)}C{circumflex over (?)}N tetradentate platinum (II) complex can be used as a phosphorescent doped material to manufacture an orange red light OLED device with a high luminous efficiency.

Abstract: The invention relates to a platinum (ii) tetradentate onno complex luminescent material, preparation method and application thereof in organic light emitting diode. A platinum (II) tetradentate pyridine diphenol ONNO complex light-emitting material having the chemical structure of Formula (I) can be used for manufacturing organic light-emitting diodes emitting pure red light. The light-emitting material of the invention, because the end of the left side thereof is connected to benzofuran, has more red shift than the emission spectrum of the bipyridyl phenol ONNO-Pt(II) complex without a benzofuran group, and the anti-aggregation performance of the platinum(II) complex is effectively increased, as a B group is introduced on the phenolic ring on the right side thereof, so the self-quenching rate constant is low, and the color purity emitting deep red light and better luminous efficiency can be maintained in a certain range of doping concentration, which is more suitable for industrial preparation systems.

Abstract: The invention provides an organic electroluminescent material and application thereof in optoelectronic devices. The organic electroluminescent material according to the invention having the structure of Formula (I), the compound of which contains a unit formed by imidazole and indenopyrrole, with its spiro structure molecule that is beneficial to inhibit the stacking between molecules. The compound has better thermal stability and will be applied to organic electroluminescent devices with characteristics such as luminous efficiency and color purity, has the potential to be applied to organic electroluminescent devices. The invention further provides an optoelectronic device including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole-blocking layer, an electron injection layer, and an electron transport layer. At least one layer of the organic layer contains the compound having Formula (I).

Abstract: The invention provides an organic electroluminescent material, preparation method thereof and an organic electroluminescent device. The organic electroluminescent material of the invention is a class of compounds based on imidazole [1,5-a][1,8]naphthyridine, and has a structure presented by Formula (I) as below. The invention also provides application of the material in organic light-emitting diodes (OLED). The compound of the invention has high stability, and the organic electroluminescent device according to the invention has high efficiency.

Abstract: The present invention relates to an organic light-emitting material based on a platinum tetradentate ONCN complex, a preparation method and application thereof in organic light-emitting diodes, A platinum (II) tetradentate ONCN complex light-emitting material having the chemical structure of Formula I can be used for manufacturing organic light emitting diodes with pure greenemission. The material has been optimized in structure and has better anti-aggregation ability compared with the reported platinum (II) tetradentate ONCN complex light-emitting material. The emission spectrum of the material only slightly changes or even remains unchanged at high doping concentration, so the organic light-emitting diode made of this material obviously has higher emission efficiency. The preparation method for the complex light-emitting material is simple and does not require the use of highly toxic and harmful reagents, and is more suitable for industrial preparation systems.

Abstract: The present disclosure discloses a file access method of a virtualization instance, including performing union on some image subfiles in a host operating system (host OS) and mounting a united directory to a union directory, and when an application in a library operating system instance needs to access a file in the union directory, causing a central processing unit to generate an exit event such that a hypervisor captures and processes the exit event, and during processing, converts an access request that is from the instance into an access request based on a system call of the host OS, and performs access.

Abstract: A method in one embodiment includes intercepting a message in an on-board unit (OBU) of a vehicular network environment between a source and a receiver in the vehicular network environment, verifying the message is sent from the source, verifying the message is not altered, evaluating a set of source flow control policies associated with the source, and blocking the message if the set of source flow control policies indicate the message is not permitted. In specific embodiments, the message is not permitted if a level of access assigned to the source in the set of source flow control policies does not match a level of access tagged on the message. In further embodiments, the method includes evaluating a set of receiver flow control policies associated with the receiver, and blocking the message if the set of receiver flow control policies indicates the message is not permitted.

Abstract: The present disclosure relates to an encoder and an encoding method thereof, as well as a decoder and a decoding method thereof, which can be used to reduce the number of wires necessary for data transmission and transmit more data at a faster speed with the same number of wires, thereby improving the efficiency of data transmission. The encoder may comprises two input terminals configured to receive two input signals simultaneously, each input terminal comprises a wire identifying a positive voltage and a wire identifying a negative voltage; and a plurality of output terminals, wherein each output terminal comprises a wire identifying a positive voltage and a wire identifying a negative voltage, a combination of the two input signals corresponds to one of the plurality of output terminals, and the output terminal to which the current combination of the two input signals corresponds is configured to output signals through the two wires of the output terminal.

Abstract: A device containing an organometal-complex luminescent material has a luminescent layer that includes an organometal complex having a structural formula (I), wherein A, B and C refer to substituted or unsubstituted C, N, O and S atoms independently; a dashed ring for linkage between A and B atoms refers to a substituted or unsubstituted conjugated ring structure; L1, L2, L3 and L4 are single or double bonds independently, L3 and L4 are part of the conjugated ring structure for linkage between A and B atoms; X, X1, Y and Y1 are C, N, O and S atoms independently; Ar1 and Ar2 are substituted or unsubstituted conjugated ring structures independently; M refers to Pt, W and Au atoms. An organometal complex in the luminescent material is high in fluorescence quantum efficiency and heat stability and low in quenching constant and can be used for manufacturing high-efficiency and low-efficiency roll-off red-light OLEDs.

Abstract: The present invention relates to an organometal-complex luminescent material which has a structural formula (I), wherein A, B and C refer to substituted or unsubstituted C, N, O and S atoms independently; a dashed ring for linkage between A and B atoms refers to a substituted or unsubstituted conjugated ring structure; L1, L2, L3 and L4 are single bonds or double bonds independently, wherein L3 and L4 are part of the conjugated ring structure for linkage between A and B atoms; X, X1, Y and Y1 are C, N, O and S atoms independently; Ar1 and Ar2 are substituted or unsubstituted conjugated ring structures independently; M refers to Pt, W and Au atoms. An organometal complex in the luminescent material is high in fluorescence quantum efficiency and heat stability and low in quenching constant and can be used for manufacturing high-efficiency and low-efficiency roll-off red-light OLEDs.

Abstract: A system and method for evaluating cardiovascular-related health of a user including an RF sensor device configured to transmit incident pulse signals towards the user, and to receive reflected pulse signals for generating a reflected pulse signal dataset, a pulse signal modification module configured to modify the reflected pulse signal dataset, and a processing system communicably coupled to the RF sensor device and the pulse signal modification module, the processing system configured to generate a cardiovascular parameter for the user based on the modified reflected pulse signal dataset.

Abstract: The present invention belongs to the field of machine vision. A saliency-based method for extracting a road target from a night vision infrared image is disclosed. The method combines saliencies of the time domain and the frequency domain, global contrast and local contrast, and low level features and high level features, and energy radiation is also considered to be a saliency factor; thus, the object of processing is an infrared image and not the usual natural image. The extraction of a salient region is performed on the raw natural image on the basis of energy radiation, and the obtained extraction result if the salient region is more accurate and thorough, and the contour of a target in the salient region is clearer.

Abstract: The present application provides an eyeglass positioning method. The method includes: acquiring a real-time image shot by a shooting apparatus, and extracting a real-time face image from the real-time image using a face recognition algorithm; recognizing whether the real-time face image includes eyeglasses using a predetermined first classifier, and outputting a recognition result; and positioning the eyeglasses in the real-time face image using a predetermined second classifier and outputting a positioning result when the recognition result is that the real-time face image includes the eyeglasses. The present application also provides an electronic apparatus and a computer readable storage medium. The present application adopts two classifiers to detect images in eyeglass regions in the face images, thereby enhancing precision and accuracy of eyeglass detection.

Abstract: A container monitoring method and apparatus, which are used for monitoring a plurality of monitored objects running on a physical machine. The type of plurality of monitored objects comprising at least one of a container, a process-in-container, or a thread-in-container. The physical machines comprising a primary monitor. The primary monitor receives monitoring information respectively reported by the multiple monitored objects. Monitoring information of monitored objects of a same type in the multiple monitored objects is reported by using a same channel. The primary monitor determines respective service statuses of the multiple monitored objects according to the monitoring information and unique identifiers. This can reduce resources consumed during monitoring in the prior art, and resolve a problem that a requirement for multidimensional monitoring on a container cannot be met due to high resource consumption.

Abstract: This application provides a virtualized device, and an interrupt processing method running on the virtualized device. The method includes: performing, by a processor, the following operations in a guest mode: receiving, by the processor, an interrupt request from hardware; determining, by the processor, a processing entity of the received interrupt request based on a correspondence between the interrupt request and the processing entity; and when the processing entity of the received interrupt request includes the virtual processor currently running on the processor, determining, by the processor based on a correspondence between the interrupt request and an interrupt service routine, the interrupt service routine corresponding to the received interrupt request, and invoking the interrupt service routine to process the interrupt request.

Abstract: A method includes receiving, by a processor of a data collector, a request for sensor data related to an event. The method also includes sending a plurality of requests for the sensor data to a plurality of on-board units (OBUs), respectively, where the plurality of OBUs is associated with a plurality of vehicles, respectively. The method further includes receiving a plurality of responses from the plurality of OBUs, respectively, wherein each response of the plurality of responses includes a sensor data item related to the event. In more specific embodiments the plurality of requests are sent to the plurality of OBUs based on the plurality of OBUs being located within a certain proximity to the event. In yet further embodiments, each sensor data item of the plurality of responses is encapsulated with a respective tag.

Abstract: A display data transmission method and apparatus, and a display panel drive method and apparatus are provided. The display data transmission method is provided for transmitting display data to a display panel having a plurality of pixels. The display data transmission method comprises: calculating transmission data comprising an initial value and a plurality of sequential values, each value corresponding to a pixel of the plurality of pixels of the display panel; each of the sequential values being a difference value between a gray scale value of the corresponding pixel and a gray scale value of an adjacent previous pixel; and transmitting the transmission data to the display panel.