Abstract: There is provided an optimization model and methods for quick track of a Static Voltage Stability Region (SVSR) boundary of a power system. The methods include using a base power flow as a starting point to track a first power system SNB point by a traditional OPF and mapping the SNB point to obtain an SVSR boundary point, and includes repetitively changing a power stress direction to a new direction and tracking a power system SNB point in the new power stress direction and mapping the power system SNB point to obtain a new SVSR boundary point, and includes returning to the first power system SNB point if the power stress direction angle is ?0; repetitively changing the power stress direction to a new direction and tracking a power system SNB point and mapping the power system SNB point to obtain a new SVSR boundary point.

Abstract: A test circuit layout structure for a display panel is disclosed and includes a chip on film (COF) bonding region having two ends connected to two power conductor regions extending toward an active area; a test circuit region located between the COF bonding region and the two power conductor regions; two test pad regions and two electrostatic protection regions are both distributed around two sides of the COF bonding region; wherein a plurality of wires extend from the test pad regions and are configured to couple the electrostatic protection regions, the COF bonding region, and the test circuit region; wherein resistivity of the wires and resistivity of the power conductor regions are the same; and wherein the wires bypass the power conductor regions disposed in the same layer as the wires, alternatively, the wires and the power conductor regions are overlapped in an insulation manner.

Abstract: A pixel driving circuit and a display device are provided. The pixel driving circuit includes: a reset module, a compensation module electrically connected to the reset module, and a light emission module electrically connected to the compensation module. The reset module is configured to receive a reset control signal, and, in response to the reset control signal, reset the compensation module. The compensation module is configured to receive a scan signal, and, in response to the scan signal, receive a data signal and a compensation voltage, to complete performing threshold voltage compensation. The light emission module is configured to receive a light emission control signal, and, in response to the light emission control signal, emit light. Therefore, a threshold voltage is effectively compensated, and contrast of a displayed image is increased.

Abstract: The present disclosure discloses a display panel which includes a substrate and plurality of insulating layers disposed on the substrate, and a plurality of metal routings, and includes a display region and a first non-display region at left and right sides of the display region, and a display, the plurality of metal routings being at the first non-display region and insulated from each other, and at least adjacent two of the metal routings being positioned on different layers of the insulating layers. An interval between adjacent metal routings on different insulating layers in a horizontal direction can be reduced through the above wiring manner, thereby reducing a space occupied by the first non-display region.

Abstract: The disclosure provides a method for data instance processing. The method includes obtaining a set of data instances collected from a plurality of organizations. Each of the data instances includes at least one record formed in an organization that stores values of a plurality of attributes of the data instance. The method also includes dividing the set of data instances into groups, wherein data instances with conflicting values for the same attribute are divided into different groups. The method further includes subdividing data instances in each of the groups into clusters.

Abstract: The present disclosure provides an epoxy resin wave-absorbing composite material and a preparation method thereof. The method includes: heating an epoxy resin to 50° C.˜70° C., and adding carbon black, to obtain a mixture of the epoxy resin and the carbon black; heating the mixture of the epoxy resin and the carbon black to 100° C.˜120° C., adding a curing agent, and stirring and dissolving them to obtain a mixture of the epoxy resin, the carbon black, and the curing agent; and adding surface-treated hollow glass microbeads into the mixture of the epoxy resin, the carbon black, and the curing agent, and curing them to obtain the epoxy resin wave-absorbing composite material.

Abstract: The present invention provides an array substrate comprising a substrate, an inorganic layer formed on the substrate, a metal wiring formed on the inorganic layer, and an organic layer on the inorganic layer and covering the metal wiring; wherein the metal wiring and/or the inorganic layer include a bending performance enhancement structure. In this invention, by means of providing the bending performance enhancement structure in the metal wiring and/or the inorganic layer, the stress in the bending region is released when the flexible display is bent, so as to prevent the bending region from fracture or damage and improve the bending performance.

Abstract: A system to recognize user activity includes a filter to form a gravity measurement from a three-dimensional (3D) accelerometer measurement of a user activity; a body component extractor to form a body measurement of the user activity by removing the gravity measurement from the 3D accelerometer measurement; a rotation matrix calculator to form a rotation matrix that is used to rotate the extracted gravity to align with a predetermined direction, and to rotate the 3D accelerometer measurements and the body measurement to be the input to features determiner module; and a features determiner to determine values of a predetermined number of features of the user activity based on the rotated 3D accelerometer measurement and the rotated body measurement in which the predetermined number of features are invariant under arbitrary rotation of the accelerometer measurement around the predetermined direction.

Abstract: The present disclosure relates to an organic light-emitting diode (OLED) driving circuit, including: a switch thin film transistor (TFT), a driving TFT, a storage capacitor, a third TFT, a sixth TFT, an OLED, and an elimination module. A gate of the third TFT is configured to receive reset signals, a first end of the third TFT is configured to receive a reset voltage, and a second end of the third TFT is electrically connected to the first node. A gate of the sixth TFT is configured to receive enabling signals, and a first end of the sixth TFT is electrically connected the second node. An elimination module is electrically connected to the first electrode of the storage capacitor and the first end of the driving TFT. The elimination module is configured to receive the data voltage and the power supply voltage.

Abstract: Disclosed is a pixel driving circuit and a liquid crystal display device thereof being implemented in a 6T2C structure. The pixel driving circuit includes a scanning switch (T1), a first reset switch (T2), a second reset switch (T3); a third reset switch (T4), a control switch (T5), a driving transistor (T6), an organic light-emitting diode (OLED), a storage capacitor (C1) and a coupling capacitor (C2). With the embodiment of the disclosure, the drift of the threshold voltage of the driving thin-film transistor can be compensated to enhance the uniformity of the display screen of OLED and promote display quality.

Abstract: A spherical reamer comprises a cutting element having a support member and at least one circumference cutting member built on it. The cutting member can be characterized by edge configuration, geometric parameters or further by positional parameters, respectively. All variations of the parameters above lead various types of the cutting elements and methods of including self- assembling and/or “One Size Cutting Element for Assembling Several Size of Reamers” in order to assembling either reusable or disposable reamer.

Abstract: The present invention discloses a method of preparing a functional peptide from a germinated bean, including the steps of: germinating a bean until a sprout length is about 0.5-1.0 cm; adding water to the obtained germinated bean, and then blending and crushing the germinated bean; adjusting the obtained slurry to a pH value between 6.5-8.0, and then adding neutral protease, papain and compound flavor protease to perform enzymatic reaction under stirring condition, wherein an enzymatic reaction solution is obtained including the functional peptide; subjecting the enzymatic reaction solution to ultrafiltration using an ultrafiltration membrane; keeping the ultrafiltrated enzymatic reaction solution at a temperature between 70-80° C. or using ozonated water at a concentration between 20-25 mg/L thereby avoiding decomposition by microorganisms; and performing spray drying to obtain the functional peptide.

Abstract: A CMP simulation method includes inputting a chip pattern layout including a plurality of graphic patterns, partitioning the chip pattern layout into targeting grids including a plurality of surrounding grids, and then calculating grid geometry characteristics of the targeting grids. The method also includes generating shifted grids by shifting the targeting grids, calculating weighted average grid geometry characteristics of the targeting grids and the shifted grids, and locating first hot spots on the chip pattern layout by performing a CMP simulation based on the grid geometry characteristics of the targeting grids. Further, the method includes generating optimized grid geometry characteristics by modifying the grid geometry characteristics of the targeting grids based on the weighted average grid geometry characteristics and the defined first hot spots, and then locating second hot spots on the chip pattern layout by performing the CMP simulation based on the optimized grid geometry characteristics.

Abstract: A pixel compensation circuit is provided, and includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, a storage capacitor, and a light emitting device.

Abstract: Present embodiments provide for optical imaging lenses. An optical imaging lens may include at least seven lens elements positioned sequentially from an object side to an image side. Through arrangement of the convex or concave surfaces of the lens elements, the length of the optical imaging lens may be shortened while providing better optical characteristics and imaging quality.

Abstract: A blood pump control system includes a local processing terminal and a remote processing terminal. The local processing terminal is configured to transmit to the remote processing terminal, collected current state parameters of the blood pump and heart activity indexes, and to drive and control the blood pump according to blood pump adjusting parameters received from the remote processing terminal. The remote processing terminal is configured to obtain current blood pump adjusting parameters according to the current state parameters, and the heart activity indexes received from the local processing terminal, and set adjusting conditions; and to transmit the blood pump adjusting parameters back to the local processing terminal.

Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element from an object side to an image side in order along an optical axis. The first lens element to the sixth lens element each include an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. A periphery region of the image-side surface of the second lens element is convex. An optical axis region of the image-side surface of the third lens element is concave. A periphery region of the object-side surface of the fifth lens element is concave. An optical axis region of the image-side surface of the sixth lens element is concave.

Abstract: An optical imaging lens including a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element arranged in sequence from an object side to an image side along an optical axis is provided. Each lens element includes an object-side surface and an image-side surface. The first lens element has negative refracting power. The second lens element has negative refracting power, and a periphery region of the object-side surface of the second lens element is convex. An optical axis region of the image-side surface of the fourth lens element is concave. An optical axis region of the image-side surface of the sixth lens element is concave. A periphery region of the image-side surface of the sixth lens element is convex.

Abstract: The present disclosure provides a TFT array substrate and an OLED display panel. The TFT array substrate includes a display area, a non-display area around the display area, a COF bonding area and a test area. The COF bonding area and the test area are arranged in the non-display area. The test area includes several test pads spaced apart. According to the present disclosure, the test pads are arranged on the TFT array substrate. Thus, during testing, it is not necessary to cut off the connection wire between the test pads and the TFT array substrate. Therefore, the problem of uncovered metal residue after the cut-off of the connection wire may be avoided. Moreover, when the test of the TFT array substrate is finished, the test pads will be covered by insulating material such that the problem of uncovered metal residue of the test pads can be avoided.

Abstract: A navigation system may be provided. The navigation system may obtain an image comprising displayable content. The navigation system may receive a trigger instruction to plan a route based on the image. The navigation system may recognize, by an image recognition system, in response to receipt of the trigger instruction, feature content included in the displayable content. The feature content may be indicative of a target geographic location. The system may generate, in response to recognition of the feature content, at least one route from a current geographic location of a terminal to the target geographic location.