Abstract: Provided is a display drive system, including: a plurality of drive units and a control unit. The plurality of drive units are connected to a lamp panel, and at least one of the plurality of drive units is configured to drive, during a display stage, the lamp panel to emit light. The control unit is connected to the plurality of drive units, and is configured to detect an operating state of the drive units driving the lamp panel to emit light. In response to detecting that a first drive unit is abnormal, the lamp panel is driven, by a second drive unit, to emit light, wherein the first drive unit is at least one of the drive units driving the lamp panel to emit light, and the second drive unit is at least one of the plurality of drive units other than the first drive unit.

Abstract: A method for preparing TOPCon battery substrate and double-sided electroplated TOPcon battery prepared therefrom are provided. The method includes: providing a double-sided grooved silicon matrix of a TOPCon battery; carrying out thermal repair treatment on the silicon matrix; respectively carrying out light injection treatment on the front side and the back side of the silicon matrix after thermal repair treatment, thereby the TOPCon battery substrate is obtained. Thermal repair treatment can greatly increase the overall lattice thermal motion of the silicon substrate, and light is injected into the front side and the back side in the directions of two different light incidence surfaces, so that both the front side and the back side can absorb light, thereby repairing the defects at the interface between the amorphous silicon and the silicon wafer and improving the quality of the PN junctions.

Abstract: Disclosed is a hot-state efficient filling device and method for a root of a flange of a clarification section of a platinum channel, comprising a material conveying structure. A refractory brick channel is provided outside the clarification section of the platinum channel, the clarification section of the platinum channel includes a platinum body and the flange, a cavity region is provided between the flange and the refractory brick channel, one or more filling observation openings are formed on the refractory brick channel corresponding to the cavity region, a transmission end of the flange penetrates through the one or more filling observation openings, the material conveying structure penetrates through the one or more filling observation openings, an input end of the material conveying structure is provided outside the refractory brick channel, and a reserved distance is arranged between the output end of the material conveying structure and the platinum body.

Abstract: An optical module for a luminous keyboard includes a mask film having a mask pattern, a patterned layer disposed on the mask film, and a light guide sheet disposed on one side of the mask film. The mask pattern defines a plurality of light-transparent regions respectively corresponding to a plurality of keyswitches of the luminous keyboard. The patterned layer has a light transmittance larger than that of the mask pattern. The light guide sheet has a light-exit edge, and a vertical projection of the light-exit edge of the light guide sheet on the mask film at least partially falls within an outer light-transparent region of the plurality of light-transparent regions. The patterned layer is at least partially located in the outer light-transparent region and adjacent to a region boundary of the outer light-transparent region.

Abstract: A display apparatus and a splice display system are disclosed. The display apparatus includes: a lamp panel, which includes a circuit board and a plurality of light-emitting elements on the circuit board; and a mask on side of the plurality of light-emitting elements away from the circuit board, where the mask includes a plurality of light-transmitting parts corresponding to the plurality of light-emitting elements, an orthographic projection of each of the plurality of light-emitting elements on the circuit board is within an orthographic projection of a corresponding light-transmitting part on the circuit board, each of the plurality of light-transmitting parts includes a concave lens, and a surface of the concave lens close to the light-emitting element is a concave arc surface.

Abstract: An antenna apparatus includes a first radiating patch with slots and a feed module. There are a plurality of feed modules in correspondence with the slots. The feed module includes a ground component and a feed component. The ground component includes a first conductor patch, a second conductor patch, and a conductor column. The feed component includes a second radiating patch and a first feed member, the second radiating patch and the second conductor patch are spaced from each other. When the foregoing structure is used, integration of an antenna radio frequency system can be improved.

Abstract: The present disclosure provides a display control method of a spliced screen including a plurality of sub-display screens, including: sending a display control signal to each sub-display screen in a wireless sending manner according to a time code signal; receiving, by each sub-display screen, the display control signal in a wired receiving manner, and reporting status information of each sub-display screen to the display controller; and controlling, by the display controller, displaying of each sub-display screen according to the status information of each sub-display screen, where the time code signal indicates a current time point; the display control signal is configured for controlling the sub-display screen to perform corresponding display processing on display content stored, so that the sub-display screens display a target display content together. The present disclosure further provides a display control device, a display system, an electronic device, and a computer readable storage medium.

Abstract: Provided herein are compounds having the following structure: wherein the substituents are as defined herein, compositions comprising an effective amount of a compound, and methods for modulating activity of KRAS G12D and/or G12V.

Abstract: A lighting keyboard includes a backlight module and at least one keyswitch. The backlight module includes a lighting unit, a light guide panel, and a lighting board for illuminating a keycap of the keyswitch. The light guide panel includes a panel hole to accommodate the lighting unit. The light guide panel further includes plural slots intervally surrounding the lighting unit. The lighting board includes a micro-structure region facing toward the light guide panel. Each of the slots of the light guide panel has a bulge portion protruding to the lighting unit. At two sides of the bulge portion, each of the slots forms two slots walls with an obtuse angle, thereby expanding the transmitting angle for the multi-color lights from the lighting unit and enhancing the light-mixing uniformity while illuminating the keycap.

Abstract: Embodiments of the present disclosure provide a device and method for controlling an extraction amount and homogenizing glass liquid, comprising a feeding device and an auxiliary heating device. The feeding device includes a feeding inner pipe and a feeding outer pipe, the feeding inner pipe being provided inside the feeding outer pipe. The feeding outer pipe includes a feeding upper outer pipe, a feeding middle outer pipe, a feeding lower outer pipe, and a tapered pipe, the feeding upper outer pipe being mounted at an upper end of the feeding middle outer pipe, the feeding lower outer pipe being installed at a lower end of the feeding middle outer pipe, and the feeding upper outer pipe, the feeding middle outer pipe, and the feeding lower outer pipe being connected through the tapered pipe, and the auxiliary heating device includes an inner heater and an outer heater.

Abstract: Disclosed is a hot-state efficient filling device and method for a root of a flange of a clarification section of a platinum channel, comprising a material conveying structure. A refractory brick channel is provided outside the clarification section of the platinum channel, the clarification section of the platinum channel includes a platinum body and the flange, a cavity region is provided between the flange and the refractory brick channel, one or more filling observation openings are formed on the refractory brick channel corresponding to the cavity region, a transmission end of the flange penetrates through the one or more filling observation openings, the material conveying structure penetrates through the one or more filling observation openings, an input end of the material conveying structure is provided outside the refractory brick channel, and a reserved distance is arranged between the output end of the material conveying structure and the platinum body.

Abstract: Devices and methods for preventing a cooling flat tube of a platinum channel from collapsing during warming are provided. The devices include a traction structure. The cooling flat tube is externally wrapped with a plurality of heater modules. There may be a gap between the cooling flat tube and the plurality of heater modules. A docking seam is disposed between every two docked heater modules. The traction structure is disposed on an outer surface of the cooling flat tube and includes a traction hanging bar. A position of the traction hanging bar coincides with a position of the docking seam. By designing the special traction structure on the upper surface of the cooling flat tube, combined with a matching mounting manner, the stability of a cross section structure of the cooling flat tube during warming is realized, and the cooling flat tube is prevented from deforming and collapsing during warming.

Abstract: An image readout device includes comparator circuits. Each comparator circuit includes an amplifier, an input capacitor, an auto-zero switch, and a control capacitor. The amplifier compares a pixel signal to a reference signal to generate a comparison signal. The input capacitor receives the pixel signal or the reference signal. The auto-zero switch couples or decouples the input node and the output node of the amplifier. The control capacitor receives a respective control signal. Alternatively, the control capacitor can be replaced with a control switch. The control switch is coupled to the auto-zero switch in parallel. The control switch and the control capacitor can be omitted. Instead, the voltage level of the reference signal is adjusted to change the transition time points of the comparison signal.

Abstract: Provided herein are compounds having the following structure: or a pharmaceutically acceptable salt, tautomer, stereoisomer, or enantiomer thereof, wherein the substituents are as defined herein compositions comprising an effective amount of a compound, and methods for inhibiting activity of cyclin-dependent kinases.

Abstract: Provided is a display drive system, including: a plurality of drive units and a control unit. The plurality of drive units are connected to a lamp panel, and at least one of the plurality of drive units is configured to drive, during a display stage, the lamp panel to emit light. The control unit is connected to the plurality of drive units, and is configured to detect an operating state of the drive units driving the lamp panel to emit light. In response to detecting that a first drive unit is abnormal, the lamp panel is driven, by a second drive unit, to emit light, wherein the first drive unit is at least one of the drive units driving the lamp panel to emit light, and the second drive unit is at least one of the plurality of drive units other than the first drive unit.

Abstract: An illuminated touchpad includes a panel, a light guide layer and a circuit board. The panel includes a first light transmitting region and a second light transmitting region. The light guide layer includes a first light guide region and a second light guide region. The circuit board includes a controller, a touch module, a first light source and a second light source. The controller controls the first light source to emit light, such that the first light guide region guides the light emitted by the first light source to the first light transmitting region. When the touch module senses that the first light transmitting region is touched, the controller controls the second light source to emit light, such that the second light guide region guides the light emitted by the second light source to the second light transmitting region.

Abstract: Disclosed is a microreactor for continuous flow synthesis of 2,5-furandicarboxylic acid, the microreactor includes a first container, a collection device, an injection pump, a first flow pump, a second flow pump, a first microreactor substrate, ion exchange resin adsorption pipes, activated carbon adsorption pipes, a second microreactor substrate, an oxygen source, a first T-connector, a second T-connector, and a third T-connector; where the first container is connected to the first T-connector via the first flow pump, the injection pump is connected to the first T-connector, the third T-connector is connected to the first T-connector and the first microreactor substrate, respectively, the first microreactor substrate is connected to the ion exchange resin adsorption pipes, the activated carbon adsorption pipes, the second T-connector, and the second microreactor substrate in sequence, and the oxygen source is connected to the second T-connector.

Abstract: A backlight keyswitch includes a backlight module and a keyswitch body having a cap with a symbol. The backlight module disposed under the cap includes a light guide plate, a light-blocking sheet, a backlight circuit board having first, third, and second lighting units disposed in the light guide plate and arranged sequentially along a longitudinal direction for emitting first, third, and second color lights respectively, and a micro optical layer. The light-blocking sheet is located above the backlight circuit board and has a transparent region. The light guide plate is located between the light-blocking sheet and the backlight circuit board. The micro optical layer is parallel to the light guide plate and formed corresponding to the transparent region to guide the first, second, and third color lights to the symbol and has first and second clearance regions respectively adjacent to the first and second lighting units in the longitudinal direction.

Abstract: The present disclosure relates to a differential pressure driven burst-pipeline emergency blocking system. The system includes a valve body with flanges on opposite axial ends, a cylindrical valve sleeve connected with the inner wall of a flange end and having a through-hole in the valve sleeve wall. The wall of the valve sleeve is in movable fit with a valve spool having a U-shaped section. The working fluid through-hole in the valve sleeve is communicated with the inner chamber of the valve body and can be closed by a cylindrical surface of the valve spool. A horizontal push rod is in movable fit with a central hole at the left end of the valve spool, and opposite ends of the horizontal push rod are in movable fit with axial orifices of left and right support seats in the valve body respectively.

Abstract: A lock electronically controls whether the battery box can be removed or not and has a base and a battery box. A first base latch seat of the base has an electronic controller and a latching member. The battery box is detachably mounted on the base. The latching member is movable or rotatable to engage with the first battery latch seat of the battery box. The latching member is moveable or rotatable to disengage from the first battery latch seat under the control of the electronic controller. The latching member on the base regularly engages with the first battery latch seat. To unlock the battery box, it is only necessary to control the electronic controller by signal, and then the latching member on the base may be disengaged from the first battery latch seat, so that the battery box can be removed.