Abstract: A process for preparing a TPU alloy material through in-situ compatibilization includes: 1) adding a premixed TPU raw material to a feeding port of a twin-screw extruder; injecting a mixture of an alloy component and a dual-active substance into the twin-screw extruder through a lateral feeding port; adding an auxiliary reagent to the TPU raw material or the mixture of the alloy component and the dual-active substance, wherein the alloy component is a polyolefin or a thermoplastic polymer material having reactivity, wherein the dual-active substance is a substance containing a group reactive with the TPU raw material and a group reactive with the alloy component, and the auxiliary reagent includes an initiator; 2) controlling a temperature of a reaction zone of the twin-screw extruder at 50° C. to 250° C., and granulating an extruded material by underwater cutting; and 3) drying the granulated product to obtain the TPU alloy material.

Abstract: A foldable golf cart includes an upper frame, a lower frame, a handlebar set, a front wheel set, and two rear wheel sets,. The upper frame is mounted on the lower frame. The front wheel set is mounted at a front end of the lower frame. The rear wheel sets are rotatably mounted on the left side and the right side of the rear end of the lower frame respectively. The handlebar set is connected with the upper frame through a first lock mechanism, the upper frame is connected with the lower frame through a second lock mechanism, and the first lock mechanism and the second lock mechanism are connected through a link mechanism. When the first lock mechanism is unlocked, the handlebar set is rotated, and at this moment, the link mechanism drives the second lock mechanism to be unlocked.

Abstract: A manufacturing method of a semiconductor device including the following steps is provided. A substrate having a device structure and a first interconnection structure on a front side is provided. A first annealing process is performed in an atmosphere of pure hydrogen at a first temperature. A second interconnection structure is formed on a back side of the substrate. A second annealing process is performed in an atmosphere of gas mixture including hydrogen at a second temperature.

Abstract: Pharmaceutical and chemical intermediates and related chemistry providing a green preparation method for quinoline compounds. N-Substituted arylamine derivatives as raw material react with arylacetylene or arylethylene derivatives for 24 hours at 80° C.-160° C. in the presence of Brønsted acid catalyst and oxidant without solvent, to obtain quinoline compounds. Beneficial characteristics include convenient operation, mild reaction conditions, environmentally friendly property and possibility of realizing industrialization, and provides the quinoline compounds in high yields. The quinoline compounds synthesized by this method can be further functionalized into various compounds which have potential applications in development and research of natural products, functional materials and fine chemicals.

Abstract: A flat-panel display device and method to prevent display panel burn-in through a decimated look-up table with pixel shifting in a display or an augmented reality display.

Abstract: The present disclosure relates to systems and methods of accounting for the kickback voltage in an LCD display. For example, a method may include obtaining, via a processor, a difference between a nominal voltage of a common electrode of a display and a measured voltage of the common electrode. The processor may obtain image data associated with an image to be displayed on the display. The processor may adjust the image data of a pixel of the display based on the difference. The processor may output an image signal indicative of the adjusted image data to a pixel electrode of the pixel.

Abstract: A wafer level packaging method includes the following steps. A first wafer is bonded over a second wafer. A first grinding process on the first wafer is performed, to remove an upper chamfered edge of the first wafer and reduce a thickness of the first wafer. A trimming process is performed on the first wafer, to remove a lower chamfered edge of the first wafer to form a trimmed first wafer. A second grinding process is performed on the trimmed first wafer, to reduce a thickness of the trimmed first wafer.

Abstract: A mixed reality system that includes a device and a base station that communicate via a wireless connection The device may include sensors that collect information about the user's environment and about the user. The information collected by the sensors may be transmitted to the base station via the wireless connection. The base station renders frames or slices based at least in part on the sensor information received from the device, encodes the frames or slices, and transmits the compressed frames or slices to the device for decoding and display. The base station may provide more computing power than conventional stand-alone systems, and the wireless connection does not tether the device to the base station as in conventional tethered systems. The system may implement methods and apparatus to maintain a target frame rate through the wireless link and to minimize latency in frame rendering, transmittal, and display.

Abstract: The current invention belongs to the technical fields of fine chemicals and related chemistry, and provides a preparation method for butadiene derivatives. Arylacetylenes and derivatives using as raw materials react in an anhydrous organic solvent in the presence of a metal catalyst and an additive, and are converted into 2,3-disubstituted-1,3-butadiene derivatives. The current invention has some beneficial characteristics such as cheap and readily available raw material, mild reaction conditions, environmentally friendly property and possibility of realizing industrialization, and obtains the 1,3-butadiene derivatives in high yields. The 1,3-butadiene derivatives synthesized by this method can be further functionalized into various compounds which have potential applications in development and research of natural products, functional materials and fine chemicals.

Abstract: The present invention relates to a thermoplastic silicone-polyurethane elastomer and a method for preparing the same. The elastomer is prepared from raw materials comprising: 25-80 parts of a macromolecular polyol, 0-60 parts of a silicone oil or a liquid silicone rubber, 10-50 parts of a diisocyanate, 3-20 parts of a small molecular diol as a chain extender, and 0.1-3 parts of an auxiliary agent. The macromolecular polyol is selected from a silicon-free polyol having a molecular weight of between 1,000 and 4,000 g/mol and a polyol modified by silicone through copolymerization or grafting. The small molecular diol is a small molecular diol comprising 10 or less carbon atoms.

Abstract: The present invention relates to expanded thermoplastic polyurethane beads, a preparation method for same, and an application thereof. The expanded thermoplastic polyurethane beads consists of components of the following parts by weight: 100 parts of a thermoplastic polyurethane, 1-10 parts of a cell size stabilizer, and 1-35 parts of a melt viscosity modifier. The preparation method for the expanded thermoplastic polyurethane beads is also disclosed. The bead is produced by employing a volatile blowing agent to immerse the thermoplastic polyurethane, comprising the pore size stabilizer and the melt viscosity modifier, in an aqueous suspension, and is then followed by the foaming process. Utilization of the expanded thermoplastic polyurethane beads of the present invention allows for preparation of a foam product. The expanded thermoplastic polyurethane beads prepared per the present invention has uniform cell sizes and a high product yield.

Abstract: A display device may include a display having a plurality of pixels. The display device may also include a replica pixel circuit having a switching device configured to output a first current based on a received voltage, a light-emitting diode (LED) configured to illuminate to a first gray level based on the first current output by the switching device, and current mirror circuitry configured to generate a second current that mirrors the first current. In addition, the replica pixel circuit may include a current source configured to output a reference current based on a voltage value that corresponds to the received voltage, comparator circuitry configured to determine a difference between the second current and the reference current, and voltage adjustment circuitry configured to adjust a source voltage output provided to the plurality of pixels based on the difference.

Abstract: A manufacturing method of a semiconductor device including the following steps is provided. A substrate having a device structure and a first interconnection structure on a front side is provided. A first annealing process is performed in an atmosphere of pure hydrogen at a first temperature. A second interconnection structure is formed on a back side of the substrate. A second annealing process is performed in an atmosphere of gas mixture including hydrogen at a second temperature.

Abstract: A wheel logo imprinting device includes a wheel feeding system, a position identification system, a wheel turning system, a logo imprinting system, a station switching system, a logo drying system and a wheel discharging system. The device can be used for continuous production of assembly lines, can realize multi-directional, multi-angle and multi-number imprinting of personalized logos, orderly connects feeding, imprinting, drying and discharging through a reasonable process layout, and integrates imprinting and drying by using double stations so as to greatly improve the production efficiency and shorten the production cycle.

Abstract: A height difference gauge includes a base plate, a sliding sleeve, a guide sleeve, a measuring column, a positioning cone, a positioning sleeve, a spring. The height difference gauge can be used for measuring the relative height difference of two planes, and has the characteristics of strong versatility, high detection precision, simple structure, low manufacturing cost, convenient operation and the like.

Abstract: Embodiments of the present disclosure disclose a cloud platform, including: an Internet unit, configured to distribute an application and a lite server that are developed by an application service provider to a core network unit; the core network unit, configured to distribute the application and the lite server to an access network unit, wherein the access network unit is configured to virtualize a terminal and migrate a computing task of the terminal to virtual user equipment in a virtual machine for execution, and virtualize the lite server and migrate a network service capability of the lite server to the access network unit, so that the virtual user equipment runs the application distributed by the core network unit.

Abstract: An electronic device may include a display for displaying image content to a user and dynamic image stabilization circuitry for dynamically compensating the image content if the device is moving unpredictably to help keep the image content aligned with the user's gaze. The electronic device may include sensors for detecting the displacement of the device. The dynamic image stabilization circuitry may include a usage scenario detection circuit and a content displacement compensation calculation circuit. The usage scenario detection circuit receives data from the sensors and infers a usage scenario based on the sensor data. The content displacement compensation calculation circuit uses the inferred usage scenario to compute a displacement amount by which to adjust image content. When motion stops, the image content may gradually drift back to the center of the display.

Abstract: An apparatus is disclosed. In some examples, the apparatus comprises a display panel comprising a plurality of display pixels. In some examples, the apparatus comprises a plurality of temperature sensors disposed at different portions the display panel, wherein the plurality of temperature sensors comprise ratioed pairs of thin film transistors and the ratioed pairs of thin film transistors are formed on the display panel. In some examples, the apparatus comprises control circuitry for changing illumination properties of the plurality of display pixels based on changes is temperature detected by a proximate temperature sensor of the plurality of temperature sensors. In some examples, the ratioed pairs of thin film transistors are operated in a sub-threshold mode.

Abstract: An electronic device such as a head-mounted display or other display system may have a pair of adjustable focal length lenses. Control circuitry in the head-mounted display may adjust the adjustable focal length lenses so that the adjustable focal length lenses exhibit a series of different focal lengths. A graphics processor may generate undistorted image frames. The adjustable focal length lenses may exhibit a different amount of lens distortion at each focal length. To compensate for these different amounts of lens distortion, a distortion compensation circuit may predistort the undistorted image frames by an appropriate amount for each focal length. The distortion compensation circuit may include mapping and interpolation circuitry and look-up tables that store mapping and interpolation data for each of the focal lengths.