Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a light-shielding layer. The base substrate includes a display region including repeating units, each repeating unit includes a transparent region and a pixel region, the pixel region includes sub-pixels, each sub-pixel includes a sub-pixel driving circuit and a light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting layer located between the first electrode and the second electrode. The light-shielding layer is located on a side of the sub-pixel driving circuit close to the base substrate, at least part of an orthographic projection of the light-shielding layer on a main surface of the base substrate overlaps with an orthographic projection of the sub-pixel driving circuit on the main surface of the base substrate, and the light-shielding layer is connected with the second electrode.

Abstract: An evaluation method of mixing uniformity of composite powder includes: determining raw materials of composite powder to be evaluated and mass ratio; mixing to obtain multiple standard composite powder with different mixing time; determining flow energy of each standard composite powder; analyzing the flow energy of multiple standard composite powders by significant difference method, determining at least 3 consecutive standard composite powders with no significant difference in flow energy according to mixing time from small to large, defining as uniform-mixed standard composite powder, calculating average value of flow energy of uniform-mixed standard composite powder, and recording as standard flow energy TFEs; determining the flow energy of composite powder to be evaluated, calculating percentage difference P·Vds between TFEd and TFEs, and evaluating mixing uniformity of composite powder according to P·Vds.

Abstract: Embodiments of the present disclosure provide a device for adjusting a wafer, a reaction chamber, and a method for adjusting a wafer. The device for adjusting a wafer includes: a lifting module, the lifting module including a first carrier surface configured to carry a wafer, and the first carrier surface ascending to a preset highest position or descending to a preset lowest position relative to a reference surface; a carrier module, the carrier module including a second carrier surface, a position of the second carrier surface being higher than the preset lowest position and being lower than the preset highest position, and the second carrier surface being configured to receive and carry the wafer carried on the first carrier surface; and a suction module, the suction module including a first suction opening facing the wafer and surrounded by the second carrier surface.

Abstract: A display panel includes: a plurality of pixel circuits arranged on base substrate, at least one pixel circuit includes a drive transistor and a first switch transistor; an active layer arranged on base substrate and including a first active portion and a second active portion, the first active portion is configured to form a channel portion of the drive transistor, the second active portion is configured to form a second electrode connection portion of the first switch transistor; and a first conductive layer arranged on a side of the active layer away from the base substrate, the first conductive layer includes a first conductive portion, a portion of the first conductive portion is used to form a gate electrode of the drive transistor, another portion is electrically connected to the second active portion and a channel length of the channel portion of the drive transistor is greater than a channel width.

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

Abstract: A special-shaped display panel includes: a special-shaped display area (S) having gate lines (G), some of the gate lines (G) being cut off in a non-display sub-area (S2) of the special-shaped display area (S); a first gate drive circuit set (A1) located on one side of the special-shaped display area (S), electrically connected to one ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected to gate lines (G) on one side which are cut off by the non-display sub-area (S2); and a second gate drive circuit set (A2) located on the other side of the special-shaped display area (S), electrically connected to the other ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected gate lines (G) on the other side which are cut off by the non-display sub-area (S2).

Abstract: A display substrate, including a base substrate, a plurality of pixel units, and a pixel definition layer. The pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The fourth sub-pixel is a white sub-pixel, and any two of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel display different colors. In at least one pixel unit, at least one of the first sub-pixel, the second sub-pixel and the third sub-pixel is located in a different row from the fourth sub-pixel. In at least one pixel unit, each of orthographic projections of a first opening of the first sub-pixel, a second opening of the second sub-pixel and a third opening of the third sub-pixel on the base substrate has an area less than that of a fourth opening of the fourth sub-pixel on the base substrate.

Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of pixel units arranged on the base substrate, the plurality of pixel units are arranged in an array in a first direction and a second direction, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light emitting element and a pixel driving circuit used to drive the light emitting element, and the pixel driving circuit includes a first transistor; and a plurality of gate lines arranged on the base substrate, the plurality of gate lines include a plurality of first gate lines used to provide a scanning signal to gate electrodes of the first transistors of the pixel driving circuits in a plurality of rows of sub-pixels respectively. At least one first gate line includes a first gate sub-line, a second gate sub-line and a plurality of connecting lines.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sensing signal lines. The base substrate includes a display region including repeating units arranged in array, each repeating unit includes a transparent region and a pixel region arranged in a first direction. Two lines of repeating units are provided between adjacent two of the plurality of sensing signal lines, the two lines of repeating units extend along a second direction, and each of the plurality of sensing signal lines is connected with sub-pixel driving circuits of the plurality of sub-pixels of two lines of repeating units which are adjacent to the each of the plurality of sensing signal lines and extend along the second direction, and is configured to provide a reference voltage signal. The display substrate reduces the space occupied by the signal lines and improves the light transmittance.

Abstract: A composite frame structure includes a metal frame and a plastic frame. The metal frame is formed by enclosing a plurality of metal sheets. The plastic frame is combined with an inner surface of the metal frame, the plastic frame has an integrally formed structure. An electronic device having the composite frame structure and a method for manufacturing the composite frame structure are provided.

Abstract: This application provides a power supply system for a motor control module and a vehicle. The power supply system includes a first current limiting unit and an isolation unit. An output end of a first direct current power supply is coupled to a first input end of the isolation unit to form a first power supply loop with the isolation unit. A first output end of a second direct current power supply is coupled to one end of the first current limiting unit. Another end of the first current limiting unit is coupled to a second input end of the isolation unit to form a second power supply loop with the isolation unit. The second power supply loop is connected in parallel to the first power supply loop.

Abstract: An adapter device enabling a peripheral component interconnect express (PCIe) slot in a server to additionally accept an open compute project (OCP) card includes a bracket assembly compatible with an OCP card and a server. The adapter device comprises a chassis, a front-end bracket, an adapter assembly, and a rail assembly. The front-end bracket defines a first inserting port for OCP card insertion, the adapter assembly comprises OCP interface, adapter circuit board, and PCIe interface. The PCIe interface is connected to the adapter circuit board, and the adapter circuit board provides electrical connection and conversion between OCP interface and PCIe interface. The rail assembly between the front-end bracket and the OCP interface carries in the OCP card when the card is inserted.

Abstract: In a control method for overlay accuracy, whether a similar layer of a present layer exists is determined first, where both the present layer and the similar layer are aligned relative to a same reference layer, and overlay accuracy requirements of both the present layer and the similar layer are relative to the reference layer; if so, an overlay error compensation value of a present batch of wafers at the present layer is determined according to an overlay error value of the present batch of wafers at the similar layer and/or an overlay error value of a previous batch of wafers at the similar layer; and a photoetching process is performed on the present layer of the present batch of wafers by means of the overlay error compensation value of the present batch of wafers at the present layer.

Abstract: A display substrate and a display apparatus. Each pixel repeat unit (10) includes two pixel regions (P1, P2) arranged in a first direction, and a light transmission region (T) located between the two pixel regions (P1, P2), where each of the pixel regions (P1, P2) is provided with at least three sub-pixels (A, B, C) which are adjacently provided; and the area of the light transmission region (T) is equal to twice the area of a light transmission region (T) corresponding to a single pixel region (P1, P2).

Abstract: A system and method for fitting virtual eyewear models on face models is described herein. The method includes attaching a first collider to a model of eyewear and attaching a second collider to a model of a user's face. The method also includes positioning the model of eyewear onto the model of the user's face by reducing a distance between the model of eyewear and the model of the user's face until the first collider attached to the model of eyewear collides with the second collider attached to the model of the user's face and anchoring the model of eyewear to the model of the user's face.

Abstract: A pixel compensation circuit includes: a pixel driving circuit including a driving transistor; a detection signal line coupled to the pixel driving circuit and providing a reset signal to a source of the driving transistor or receiving a source voltage of the driving transistor; a sampling module including a switch unit coupled to the detection signal line, a first and second storage units coupled to the switch unit enabling the first storage unit to be connected to the detection signal line, the first storage unit storing a voltage on the detection signal line and taking same as a reference voltage, and enabling the second storage unit to be connected to the detection signal line, the second storage unit storing the source voltage; a comparison and calculation module coupled to the first and second storage units, generates sampling data according to the difference between the reference voltage and the source voltage.

Abstract: A pressurizing pre-impregnating die head for a fiber reinforced plastic sheet machine is provided. The die head includes a body; at least one group of fiber channels arranged in a longitudinal hole-through manner in a middle of the body, and a fiber yarn conveyed in the fiber channel. The body includes a feeding port and discharging ports, which communicate with each other. The discharging ports are located in outer sides of the fiber channel. Thermoplastic base materials in a molten state are paved on two sides of the fiber yarn. The thermoplastic base materials may be paved on surfaces of the two sides of the fiber yarn when being extruded.

Abstract: A shift-register unit includes a first circuit including a first input circuit coupled via a first node to a first output circuit, and a second circuit including a second input circuit coupled via a second node to a second output circuit. The first input circuit is configured to control a voltage level of the first node in response to a first input signal. The first output circuit is configured to output a shift-register signal and a first output signal in response to the voltage level of the first node. The second input circuit is configured to control a voltage level of the second node in response to the first input signal. The second output circuit is configured to output a second output signal in response to the voltage level of the second node. The first input circuit and the second input circuit have a same circuit structure.

Abstract: Provided are a display substrate and display apparatus. The display substrate includes a display region and non-display region; base substrate, driving structure layer and wiring layer. The driving structure layer located in the display region includes a first power supply line, data signal line and reference signal line extending along a first direction; the wiring layer located in the non-display region includes a first power supply wiring electrically connected to first power supply line and located on first side of the display region, a data wiring located on second side, different from the first side, of the display region, and a reference wiring located on second side of the display region. For the first power supply line, data signal line and reference signal line with the same length, resistance of first power supply line is greater than that of the data signal line and that of the reference signal line.

Abstract: An evaluation method of mixing uniformity of composite powder includes: determining raw materials of composite powder to be evaluated and mass ratio; mixing to obtain multiple standard composite powder with different mixing time; determining flow energy of each standard composite powder; analyzing the flow energy of multiple standard composite powders by significant difference method, determining at least 3 consecutive standard composite powders with no significant difference in flow energy according to mixing time from small to large, defining as uniform-mixed standard composite powder, calculating average value of flow energy of uniform-mixed standard composite powder, and recording as standard flow energy TFEs; determining the flow energy of composite powder to be evaluated, calculating percentage difference P·Vds between TFEd and TFEs, and evaluating mixing uniformity of composite powder according to P·Vds.