Abstract: A backlight module and a display device (01) are provided.

Abstract: A cleaning system includes a cleaning device, a tray, a charging assembly, a body and a floor brush assembly. The floor brush assembly has rollers which rotate around an X-axis, and can rotate at least in the X-axis direction relative to the body. The charging assembly has a male charging end and a female charging end, wherein one of the male charging end and the female charging end is provided on the body, and the other is provided on the tray. Opposite sides of the male charging end have first electrode sheets and the female charging end has corresponding second electrode sheets. The body of the cleaning system, the body rotates such that the location of the first electrode sheets of the male charging end avoid a problem of poor contact with second electrode sheets of the female charging end.

Abstract: The provided is an on-time generator circuit and a switching converter. The on-time generator circuit includes a ramp module configured to generate a ramp signal based on a drive signal of a main power transistor and an input voltage; a compensation module configured to generate a compensation signal based on the input voltage and a duty cycle; and a timing signal generation module configured to generate a timing signal based on the ramp signal, the compensation signal, and an output feedback signal. The compensation signal is used to offset delay time generated by the timing signal, making turn-on time (Ton) be preset Ton corresponding to the duty cycle, and keeping a switching frequency constant at different duty cycles.

Abstract: A wireless communication method for use in a wireless terminal is disclosed. The method comprises performing, with a wireless network node, a data communication, wherein time information associated with the data communication and a time information identification of the time information are included in a Packet Data Convergence Protocol (PDCP) packet data unit (PDU) of the data communication.

Abstract: Curved origami-based meta-material, manufacturing method of the same, curved origami-based haptic module and a method for producing active mechanical haptics. The curved origami-based metamaterial includes a panel having a single curved crease extending in its longitudinal direction, which divides the panel into two facets at its two opposite sides. The panel is configured to be folded along the single curved crease to form a folding angle between the two facets. The folding angle is configured to be adjustable to achieve a variable stiffness when loaded in a vertical direction of the folded panel, covering positive stiffness to negative stiffness.

Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a light-emitting assembly, an optical processing assembly and a support structure located between the light-emitting assembly and the optical processing assembly and connected to the light-emitting assembly. The support structure includes a base and a support member, the base being fixedly connected to the light-emitting assembly. The support member has a supporting end and a connecting end. The supporting end faces the optical processing assembly. The connecting end and the base form a backout structure configured to cause the connecting end to back out in a direction away from the optical processing assembly in a case where the supporting end is squeezed by the optical processing assembly, so that can eliminate problems caused by stress concentration of an internal support structure when a backlight module is under pressure.

Abstract: An automatic detection function-integrated detection apparatus includes a drill rod and an elastic water storage bag; two sides of the drill rod are a head region and a tail region, respectively; an interior of the drill rod has a water supply channel, a side wall of the drill rod is provided with a first channel, and a first valve is disposed in the first channel. The automatic detection function-integrated detection apparatus and method for the water flowing fractured zone may complete the detection of the water flowing fractured zone while drilling, and thus the labor intensity of workers may be reduced.

Abstract: The present disclosure provides a display device, a splicing display device, the display device includes: a display panel including a display region and a non-display region surrounding the display region, the non-display region including a bonding region; a backlight module disposed opposite to the display panel; a tape layer located on a peripheral side of the display panel and the backlight module, and an orthographic projection of the tape layer on a plane where the display device is located is not overlapped with an orthographic projection of the display panel on the plane where the display device is located.

Abstract: Provided is a device for spraying an ammoniacal gas in an automatically-adjustable manner based on a flow rate

Abstract: A display device, comprising: a display assembly, middle frame assemblies, bezel members, frame structures, and a backplane. The middle frame assemblies are located one a light incident side of the display assembly; at the edge of the display assembly, the middle frame assemblies provide support for the display assembly in the thickness direction of the display assembly, and the middle frame assemblies are connected to the display assembly by the frame structures in the thickness direction of the display assembly; the distance from the middle frame assemblies to the display assembly is greater than 0 in the thickness direction of the display assembly; the backplane is located on the side of the middle frame assemblies distant from the display assembly; and the bezel members are located on the periphery of the display assembly and the peripheries of the middle frame assemblies, and are detachably connected to the middle frame assemblies.

Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a light-emitting assembly, an optical processing assembly and a support structure located between the light-emitting assembly and the optical processing assembly and connected to the light-emitting assembly. The support structure includes a base and a support member, the base being fixedly connected to the light-emitting assembly. The support member has a supporting end and a connecting end. The supporting end faces the optical processing assembly. The connecting end and the base form a backout structure configured to cause the connecting end to back out in a direction away from the optical processing assembly in a case where the supporting end is squeezed by the optical processing assembly, so that can eliminate problems caused by stress concentration of an internal support structure when a backlight module is under pressure.

Abstract: Embodiments of the present disclosure provide a display module, a splicing screen and a display apparatus, which includes: at least two main display regions and a splicing display region, at least a part of the splicing display region is between two adjacent main display regions on a side of a light-emitting surface of the display module; a first type display panel is in the splicing display region, a second type display panel is in the main display regions; on the side of the light-emitting surface of the display module, at least a cover plate is on the first type display panel, a surface of the cover plate close to the first type display panel includes a first surface protruding to a side away from the first type display panel, a surface of the cover plate away from the first type display panel is a flat second surface.

Abstract: Provided is a spliced display panel, including: a plurality of display panels, adjacent display panels in the plurality of display panels splice are spliced; a seam between at least two adjacent spliced display panels; and an optical assembly located on a light emitting side of the plurality of display panels, an orthographic projection of the optical assembly on the display panel covers an orthographic projection of the seam on the display panel. The optical assembly includes: a spacer portion and a prism portion provided on the spacer portion, the prism portion includes a plurality of prisms, and an orthographic projection of at least one prism in the plurality of prisms on the display panel overlaps with the orthographic projection of the seam on the display panel.

Abstract: A display module, a display device, and a backlight module avoid bad image quality. The display module includes: a backlight module and a display panel, and the backlight module includes: a back plate, a first light source and a middle frame, wherein the back plate includes a bottom plate; the first light source is on the bottom plate; the middle frame is between the bottom plate and the display panel, a concave part is on a surface of the middle frame adjacent to the display panel, and a second light source is in the concave part, such that bad image quality of the edge shadow of the display module is effectively avoided by arranging the second light source in the concave part of the surface of the middle frame adjacent to the display panel.

Abstract: The embodiments of the present disclosure provide a display module, a manufacturing method thereof, and a display device. The display module includes a liquid crystal cell, a first polarizer, a functional layer, a middle frame, the first polarizer is on a main surface of the liquid crystal cell, the functional layer is integrated in the first polarizer or the functional layer is provided on a side of the first polarizer away from the liquid crystal cell. The functional layer is configured to increase a brightness of the display module and adjust a haze of the display module, the liquid crystal cell, the first polarizer and the functional layer are combined to form a display panel. The middle frame is on a side of the functional layer away from the liquid crystal cell, a side edge of the functional layer is provided outside a display region of the display panel.

Abstract: A hydrogen fueling control device and method comprising step S100, obtaining initial parameters of a vehicle-mounted hydrogen reservoir, wherein the initial parameters comprise volume, initial hydrogen pressure, and initial ambient temperature of the vehicle-mounted hydrogen reservoir; step S200, computing a fueling rate and a target pressure for hydrogen fueling according to the initial parameters, wherein the computed fueling rate and target pressure cause the temperature of hydrogen during a hydrogen fueling process to be within a preset safe range; and step S300, controlling a hydrogen fueling station to fuel hydrogen to the vehicle-mounted hydrogen reservoir at the computed fueling rate to the computed target pressure.

Abstract: The present disclosure provides a display module having: a supporting intermediate frame and a transparent cover plate, wherein the supporting intermediate frame comprises a main plate portion extending in a direction the same as the transparent cover plate and a supporting lateral edge disposed to surround the main plate portion, and the supporting intermediate frame and the transparent cover plate form a first accommodation space; a display unit disposed in the first accommodation space; and a control board disposed at a side of the main plate portion away from the display unit, wherein the control board is electrically connected to the display unit to transmit a display signal to the display unit; wherein the supporting intermediate frame further has at least one fixing portion disposed at a side of the main plate portion away from the display unit for fixing the control board.

Abstract: A display device (1), a container system, and a method for controlling the display device (1) are provided. The display device (1) includes: a display screen (10) including a display surface (101) and a back surface (102) opposite to the display surface (101); a depth camera component (11) configured to obtain image information in front of the display screen (10) in real time, the image information including distance information between a user and the display screen; and a processing component (12) electrically connected to the depth camera component (11) and configured to control switching of display content and/or format of the display screen (10) according to the distance information between the user and the display screen (10) determined by means of the obtained image information.

Abstract: Provided are a display module, a method for manufacturing the same, and a display device. The display module includes a display panel, an optical film disposed on a backlight side of the display panel, a support assembly configured to support the display panel and the optical film, and a light shielding structure disposed on a side surface of the optical film.

Abstract: A jack bracket is provided. The jack bracket comprises a bracket base including a first side and a second side opposite the first side, a flexible strap having a first end portion coupled to the first side and a second end portion opposite the first end portion, and a lock assembly configured to couple the second end portion of the flexible strap to the second side of the bracket base. The flexible strap further includes a connection member disposed between the first end portion and the second end portion. The connection member is selectively attached to a vehicle part and selectively released from the vehicle part. The jack bracket of the present disclosure allows for removal and installation of a jack in a simple and fast manner in a limited space.