Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region further includes a plurality of first cathode blockers, and the first cathode blocker includes at least one first groove, wherein the first cathode blocker is provided between at least two adjacent columns of first pixels, to make the cathodes of the two adjacent columns of first pixels disconnected.

Abstract: The present invention relates to a mechanical tunneling apparatus and process for a tunnel in a quicksand stratum. The mechanical tunneling apparatus comprises isolating apparatuses arranged at an upper end and a lower end of a supporting apparatus; an excavation apparatus arranged at a front end of the supporting apparatus; a spraying apparatus arranged on the isolating apparatuses and the excavation apparatus; a muck discharging apparatus arranged at a lower part of the supporting apparatus; and a propulsion apparatus arranged at a rear end of the supporting apparatus. The mechanical apparatus of the present invention may effectively increase a tunneling speed and safety for the tunnel in the quicksand stratum, ensure the stability of surrounding rocks of the tunnel, and reduce a large volume of collapse of the quicksand stratum due to tunnel construction disturbance.

Abstract: The present invention relates to an experimental apparatus for researching characteristics of subsea tunnel at bottom of seabed under wave, comprising main control system, wave making test system, rock and soil confining pressure test system and water level regulation test system, wherein a bottom of the rock and soil confining pressure test system is connected with the water level regulation test system; a bottom of the wave making test system is connected with the rock and soil confining pressure test system; and all test systems are electrically connected with the main control system. The experimental apparatus, when being small, may simulate the situation of the subsea tunnel under a nonlinear complex wave, may consider the common action of the seabed and the wave, and may regulate water levels and soil pressures, having perfect functions and effectively exploring the effect of various aspects on the subsea tunnel.

Abstract: The present invention relates to method for filling deformable karst cave, and the steps are: penetrating a grouting pipe into an elastic silicone tube, penetrating the grouting pipe and the elastic silicone tube into a deformable bracket, and lowering into a karst cave; sealing the elastic silicone tube, injecting silicate resin materials into the grouting pipe, and injecting steel fiber reinforced grout to implement a “block stone-like” structure; sealing the elastic silicone tube, separating the “block stone-like” structure from the elastic silicone tube to complete a “block stone-like” structure; lowering the elastic silicone tube and the deformable bracket, sealing the elastic silicone tube, lowering the elastic silicone tube and the deformable bracket tore construct the “block stone-like” structure, and completing the filling. The present invention may effectively stabilize the karst cave, ensure safe tunnel construction and stable surrounding rocks, and improve engineering construction speed.

Abstract: The present invention belongs to the technical field of ocean traffic engineering, and relates to a fabricated ocean tunnel structure with an escape device and an application method thereof. The present invention includes a fabricated ocean tunnel structure and an escape device. the partition plate separates a middle bin in the tunnel, and the escape device is connected into the middle bin; and the escape device includes a rescue capsule, transverse ladders are evenly arranged in the rescue capsule, and a balancing weight block and a rescue equipment area are arranged at the bottom of the rescue capsule. The ocean tunnel structure can be provided with a rescue device during installation, and the safety of personnel escape can be guaranteed; therefore, the safety of the ocean tunnel structure is improved, cost is relatively low, secondary damage to the ocean tunnel structure is not needed.

Abstract: A driving mechanism, includes a frame body, as well as a driving assembly and a transmission assembly mounted on the frame body; the driving assembly including a driving member and a reduction gearbox structure connected together and mounted to the frame body; the transmission assembly including a first transmission member and a second transmission member, the first transmission member being mounted to the frame body and connected to the reduction gearbox structure, the second transmission member being in transmission connection with a flexible display screen. The driving member outputs a first torque to be converted into a second torque, and the second torque is output to the first transmission member, to drive the flexible display screen to move, wherein the first torque is less than the second torque.

Abstract: A volume measurement system and method for a closed water-filled karst cave, including a water collecting device, concentration tester and control system. The control system is connected to the water collecting device by a connecting piece. The water collecting device is a container with a top closed and bottom open. The water collecting device top is a piston. The piston is connected to a propulsion rod, and propulsion rod is controlled by control system to extend or retract, so as to realize the forward or backward movement of the piston. An openable and closeable placement table is hinged to the water collecting device's inner wall. The placement table is connected to piston, the placement table moves upward when piston is raised, and placement table moves downward when piston is lowered. The placement table is configured to accommodate a chemical substance. The concentration tester is configured to detect the solution's concentration.

Abstract: A slide rail mechanism for a retractable screen structure includes: a holder assembly including a holder, the holder having a plurality of guide rails extending along a first direction; and a slide rail assembly including a sliding member coupled to a flexible display screen of the retractable screen structure, and an elastic assembly that includes at least one first elastic member having a first end coupled to the holder and a second end coupled to the sliding member, and at least one second elastic member fitted over at least one of the guide rails. The sliding member is arranged on the plurality of guide rails and slidable along the first direction, and the at least one first elastic member, the at least one second elastic member, and the flexible display screen are driven to move together when the sliding member slides along the guide rails.

Abstract: An electronic device with a flexible display screen includes a first housing and a second housing enclosed to form a receiving structure with an opening. A sliding rail mechanism is connected to the second housing, and slidably provided on the first housing along a first direction. The flexible display screen has a first end connected with the sliding rail mechanism and a second end connected with the first housing to cover the opening. A driving mechanism is connected to the first housing, and connected to the sliding rail mechanism for driving the sliding rail mechanism to move. A control mechanism includes a displacement sensor for measuring displacement change of the sliding rail mechanism relative to the first housing; and a controller provided at the first housing and configured to control a first stroke amount that the sliding rail mechanism moves along the first direction according to the displacement change.

Abstract: A sliding mechanism for an electronic device is provided. The sliding mechanism includes a slide rail assembly and a driving assembly. The slide rail assembly includes a fixed member and a slide rail, the fixed member is fixed to a housing assembly of the electronic device, the fixed member is provided with a sliding slot, and an end of the slide rail is slidably limited in the sliding slot. The driving assembly is fixed to the housing assembly, the driving assembly includes a driving unit connected to the slide rail in a one-to-one correspondence, and the driving unit is configured to drive the slide rail to slide from the housing assembly to the outside and to slide from the outside to the housing assembly.

Abstract: An electronic device with a flexible display screen includes: a housing with a first housing and a second housing enclosed to form a receiving structure; a sliding rail mechanism arranged in the receiving structure, connected to the second housing, and slidably arranged to the first housing; a flexible display screen with a first end connected to the sliding rail mechanism and a second end connected to the first housing; and a support assembly including a first support plate connected to the first housing and a second support plate slidably connected to the first support plate as well as connected to the sliding rail mechanism. The sliding rail mechanism drives the first end of the flexible display screen to be switched between an expanded state and a retracted state. When expanding, the second support plate slides relative to the first support plate to support the expanded part of the flexible display screen.

Abstract: An electronic device includes a first housing provided with a first sliding portion and a second housing slidably arranged on the first housing along a first direction, the first housing and the second housing being enclosed to form a receiving structure with an opening; a flexible display screen having a first end arranged at a side close to a bottom of the housing and a second end connected to the first housing to cover the opening; and a sliding rail mechanism including a bracket connected to the flexible display screen and provided with a second sliding portion matching the first sliding portion, the first sliding portion being one of a sliding rail and a sliding groove, the second sliding portion being the other. The sliding rail moves along the sliding groove to drive the flexible display screen to slide along the first direction relative to the first housing.

Abstract: A slide rail mechanism for a retractable screen structure includes a holder assembly including a holder; and a slide rail assembly including a fixed seat fixedly coupled to the holder, a sliding member coupled to a flexible display screen of the retractable screen structure and arranged on the fixed seat and slidable along a first direction, and an elastic assembly having a first end coupled to the fixed seat and a second end coupled to the sliding member. The second end of the elastic assembly and the flexible display screen are driven to move together when the sliding member slides along the first direction relative to the fixed seat.

Abstract: An elastic stretch and retraction mechanism for an electronic device is provided. The elastic stretch and retraction mechanism includes a fixed bracket, a guide member, a sliding member, and an elastic member. The fixed bracket is fixed to a housing assembly of the electronic device. The guide member is connected to the fixed bracket. The sliding member is slidably connected to the guide member. The sliding member is configured to connect with a stretch and retraction end of a flexible screen of the electronic device. The elastic member is arranged between the fixed bracket and the sliding member. The elastic member is configured to reset the sliding member. The flexible screen can easily and stably stretch and retract through the elastic stretch and retraction mechanism, which provides high operability and ensures the reliability of the use of the electronic device.

Abstract: The present disclosure relates to an electronic device including a telescopic driving mechanism and a flexible display screen. The telescopic driving mechanism includes a housing and a movable assembly, and the movable assembly is slidably coupled to the housing and may be driven to move towards or away from the housing. The flexible display screen includes a first end and a second end arranged oppositely. The first end is coupled to the housing and located at a front surface of the electronic device. The second end is coupled to the movable assembly and wound to a rear surface of the electronic device via a side surface of the electronic device. The second end moves towards or away from the first end as the movable assembly is moved relative to the housing.

Abstract: The present disclosure provides a sliding mechanism and an electronic device. The sliding mechanism is used in the electronic device, and includes a sliding rail assembly and a driving assembly. The sliding rail assembly includes at least one fixing member and at least one sliding rail, the fixing member is fixed to a housing assembly of the electronic device and provided with a first sliding groove, and the sliding rail has an end slidably limited in the first sliding groove. The driving assembly is fixed to the housing assembly, coupled to the sliding rail, and configured to drive the at least one sliding rail to slide outwards from a retracted state to an extended state from the housing assembly and to slide inwards towards the retracted state of the housing assembly from the extended state.