Abstract: An organic emitter represented by formula (I): having a highest occupied molecular orbital (HOMO) of more than 70% electron density localized on the Ar1Ar2N-L unit and having an energy of lower than 4.9 eV in absolute numbers, a HOMO-1 having more than 70% electron density localized on the BD unit and an energy higher than 4.75 eV in absolute numbers, and a lowest unoccupied molecular orbital (LUMO) having more than 70% electron density localized on the BD unit. A compound represented by formula (I), where BD is a group selected from the following formulas: A material for an organic electroluminescence device, which contains the compound. An electronic equipment containing the organic electroluminescence device. A light emitting layer containing at least one host and at least one dopant, where the dopant contains the compound.

Abstract: The present disclosure generally relates to managing user interface sharing. A computer system receives a representation of a first user interface template that specifies an arrangement of user interface elements. The computer system receiving a request to use the first user interface template for a respective computer system that includes a plurality of installed applications. The computer system initiates a process for creating a user interface for the respective computer system using the first user interface template. The process includes, in accordance with a determination that a first application is not available on the respective computer system, displaying an alert indicating that the first application needs to be installed on the respective computer system. The process includes, in accordance with a determination that the first application is available on the respective computer system, forgoing displaying the alert.

Abstract: A polyethylene terephthalate composite material containing glass fiber and a method for manufacturing the same are provided. The polyethylene terephthalate composite material includes 40 to 65.5 parts by weight of polyethylene terephthalate, 5 to 40 parts by weight of the glass fiber, and 0.15 to 2.5 parts by weight of a crystallizing agent. The crystallizing agent includes an inorganic crystallizing agent and an organic crystallizing agent, and an added amount of the inorganic crystallizing agent is less than an added amount of the organic crystallizing agent.

Abstract: A method for permission management includes: generating a plurality of job roles with different permissions according to organization permission table; generating first permission structure directed graph according to the job roles; selecting one of the job roles in first permission structure directed graph as target job role; generating minimum directed spanning graph in first permission structure directed graph according to target job role; determining whether permission of each of the job roles in first permission structure directed graph matches job of each of the job roles in first permission structure directed graph; and adjusting permission and job of each of the job roles to generate second permission structure directed graph if it is determined that permission of each of the job roles in first permission structure directed graph does not match job of each of the job roles in first permission structure directed graph.

Abstract: A heat pump system, a heat management method and a vehicle are provided. The heat pump system includes an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage. The refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is used for cooling and/or heating to adjust the temperature within a passenger compartment of a vehicle. The superconducting liquid flow passage is in communication with a motor heat dissipating conduit, for absorbing the heat generated by an on board motor and transferring the heat to the integrated heat exchanger by means of phase change heat transfer. The heat pump system can increase the energy utilization rate for the vehicle and reduce the allowable ambient temperature of the heat pump system.

Abstract: A method for manufacturing methyltetrahydrophthalic anhydride is provided, which includes steps as follows. Maleic anhydride is added into a reactor. Piperylene is added into the reactor, so that the piperylene and the maleic anhydride undergo a first addition reaction. When a conversion rate of the maleic anhydride is more than 25%, the first addition reaction is completed. Isoprene is added into the reactor, so that the isoprene and the maleic anhydride undergo a second addition reaction to obtain a methyltetrahydrophthalic anhydride product. The methyltetrahydrophthalic anhydride product contains 3-methyltetrahydrophthalic anhydride and 4-methyltetrahydrophthalic anhydride.

Abstract: A method for manufacturing a low-viscosity hardener is provided. The method includes the followings steps: providing a hardener crude product; and subjecting the hardener crude product and an alkaline catalyst to an isomerization reaction, so as to obtain the low-viscosity hardener. The hardener crude product contains 3-methyltetrahydrophthalic anhydride and 4-methyltetrahydrophthalic anhydride, and a weight ratio of the 3-methyltetrahydrophthalic anhydride to the 4-methyltetrahydrophthalic anhydride ranges from 7:3 to 3:7. A viscosity of the low-viscosity hardener ranges from 30 cps to 50 cps.

Abstract: An electrical connector includes a housing that is adapted to mate with a corresponding electrical connector. A connector latch is attached to the housing and is adapted to retain the housing in a mounted position on the corresponding connector. A connector position assurance is also attached to the connector latch. The connector position assurance is movable from a pre-lock position to an assurance position when the housing is attached to the corresponding connector. A block engages the connector position assurance when the connector position assurance is moved from the pre-lock position to the assurance position. The block resists movement of the connector position assurance to the assurance position.

Abstract: Disclosed are a multi-modality molecular imaging probe, and a preparation method and use thereof. The multi-modality molecular imaging probe has an ABA structure, with a magnetic functional unit of a gadolinium complex at the center, and two identical phosphorescent functional units of an iridium complex, which are reasonably integrated into the same one complex molecule. The multi-modality molecular imaging probe simultaneously introduces two optical functional units of the iridium complex and one magnetic functional unit of a gadolinium chelate in the same one complex molecule, which exhibits magnetic-optical dual functional properties. It therefore could be used to prepare both a contrast agent for magnetic resonance imaging and an optical probe for optical imaging.

Abstract: A separator for a lithium battery and a method for manufacturing the same are provided. The separator includes a substrate layer and a coating layer. The substrate layer is a polyolefin porous film and has a substrate thickness ranging from 10 to 30 micrometers. The coating layer is coated on the substrate layer, and has a coating layer thickness ranging from 1 to 5 micrometers. The coating layer includes a heat-resistant resin material and a plurality of inorganic ceramic particles glued in the heat-resistant resin material. The heat-resistant resin material has a melting point (Tm) or a glass transition temperature (Tg) of not less than 150° C. An average particle size of the inorganic ceramic particles is 10% to 40% of the coating layer thickness of the coating layer. The inorganic ceramic particles are stacked in the coating layer with a height of at least three layers.

Abstract: An inspection system, including: at least one ray source rotatable between at least two scanning positions around a rotation axis, and a rotation angle of at least one ray source between two adjacent scanning positions is greater than an angle of adjacent target spots of each ray source relative to the rotation axis; a detector assembly, and a conveying device configured to carry an object to be inspected. At least one ray source and the detector assembly are movable in a traveling direction relative to the conveying device, so that the object to be inspected may enter an inspection region. When at least one ray source is located at one scanning positions, at least one ray source and the detector assembly move in the traveling direction relative to the conveying device and at least one ray source emits X-rays; after moving a predetermined distance, at least one ray source rotates around the rotation axis to another scanning position.

Abstract: A hot spot defect detecting method and a hot spot defect detecting system are provided. In the method, hot spots are extracted from a design of a semiconductor product to define a hot spot map comprising hot spot groups, wherein local patterns in a same context of the design yielding a same image content are defined as a same hot spot group. During runtime, defect images obtained by an inspection tool performing hot scans on a wafer manufactured with the design are acquired and the hot spot map is aligned to each defect image to locate the hot spot groups. The hot spot defects in each defect image are detected by dynamically mapping the hot spot groups located in each defect image to a plurality of threshold regions and respectively performing automatic thresholding on pixel values of the hot spots of each hot spot group in the corresponding threshold region.

Abstract: Curable polyolefin composition comprising: (A) polyolefin having at least two aliphatic unsaturated bonds per molecule; (B) wax with melting point of 30 to 100° C.; (C) organopolysiloxane having at least two silicon atom-bonded hydrogen atoms per molecule; and (D) catalytic amount of hydrosilylation reaction catalyst, wherein content of component (A) is 20 to 80 mass %, content of component (B) is 10 to 75 mass %, and content of component (C) is 1 to 20 mass %, each based on the total mass of components (A) to (D). The composition can be cured to form a cured product capable of storing and releasing thermal energy, and preventing the wax leaking/pumping out during heat cycling.

Abstract: Composite dielectric structures for semiconductor die assemblies, and associated systems and methods are disclosed. In some embodiments, the composite dielectric structure includes a flexible dielectric layer configured to conform to irregularities (e.g., particles, defects) at a bonding interface of directly bonded semiconductor dies (or wafers). The flexible dielectric layer may include a polymer material configured to deform in response to localized pressure generated by the irregularities during bonding process steps. The composite dielectric structure includes additional dielectric layers sandwiching the flexible dielectric layer such that the composite dielectric structure can provide robust bonding strength to other dielectric layers through the additional dielectric layers. In some embodiments, a chemical vapor deposition process may be used to form the composite dielectric structure utilizing siloxane derivatives as a precursor.

Abstract: An electrical connector includes a terminal housing with one or more terminal cavities and a slot. The electrical connector also includes a terminal position assurance. The terminal position assurance includes a base, two sliders that extend from the base in an assurance direction, and a lock arm that extends from the base in the assurance direction. The terminal position assurance is supported on slot by the sliders for movement relative to the terminal housing.

Abstract: In particular embodiments, a computing system may capture a first image of a scene using a first camera of an artificial reality device. The system may capture a second image of the scene using a second camera and one or more optical elements of the artificial reality device. The second image may include an overlapping portion of multiple shifted copies of the scene. The system may generate an upsampled first image by applying a particular sampling technique to the first image. The system may generate a tiled image comprising a plurality of repeated second images by applying a tiling process to the second image. The system may generate an initial output image by processing the upsampled first image and the tiled image using a machine learning model. The system may generate a final output image by normalizing the initial output image using the upsampled first image.

Abstract: An optical camera lens includes a first camera lens component including at least one first lens and a second camera lens component including a second lens barrel and at least one second lens mounted in the second lens barrel. The first and second lenses together constitute an imageable optical system. At least one of the two camera lens components has a smooth region located on an end surface of the camera lens component, and a connecting medium for fixing the first and second camera lens components together. A corresponding assembly method of the optical camera lens and a corresponding camera module and an assembly method thereof are also provided. The optical camera lens can improve a pre-positioning accuracy by improving a height measurement accuracy, and can use a distance measuring point as a feature point of image recognition so as to perform pre-positioning and active calibration.

Abstract: A user equipment (UE) (e.g., an enhanced machine type communication (EMTC) UE) may identify several narrowbands associated with eMTC protocol based on a system bandwidth of a New Radio (NR) carrier. A base station may transmit an indication of a set of valid narrowbands for eMTC (e.g., based on coexistence considerations between eMTC and NR) to the UE. The base station may further transmit a frequency hopping pattern to the UE (e.g., associated with narrowbands within the set of valid narrowbands), and transmit one or more downlink transmissions according to the frequency hopping pattern. Additionally or alternatively, a base station may identify a subcarrier offset and/or resource block offset between resources (e.g., a resource grid) used for eMTC protocol and resources used for NR. The base station may transmit a frequency alignment parameter to the UE, and the UE may align narrowbands for eMTC accordingly.

Abstract: A semiconductor device includes a first metal layer, a second metal layer, and an inter-metal dielectric layer disposed between the first metal layer and the second metal layer. The inter-metal dielectric layer includes: a first dielectric layer disposed on the first metal layer and in direct contact with the first metal layer, wherein the first dielectric layer has a stress value less than 0; a second dielectric layer disposed on the first dielectric layer, wherein the second dielectric layer has a stress value greater than 0; and a third dielectric layer disposed on the second dielectric layer, wherein the third dielectric layer has a stress value less than 0. A thickness of the third dielectric layer is greater than a thickness of the second dielectric layer, and the thickness of the second dielectric layer is greater than a thickness of the first dielectric layer.

Abstract: Disclosed is a method for preparing a nano-porous carbon material, comprising the following steps of: mixing polypyrrole nano-fibers with an activator, conducting microwave heating for reaction, and purifying to obtain the nano-porous carbon material. Compared with a conventional high-temperature carbonization method, the method for preparing the nano-porous carbon material of the present disclosure is simple in raw material, convenient to operate, less in time consumption and more suitable for mass preparation and production of the nano-porous carbon materials.