Light Protection Screens TRIZ Cases

A pre-loadable spring roller blind uses a holding spring to lock torsion force in the limiting spring.

A transmittance-variable film applies low frequency voltage signals to drive electrophoretic particle movement for mode switching.

A roller blind coupling assembly uses a movable sleeve and intermediate sleeve to secure the shaft within the housing.

A window covering attachment system uses interlocking guides and rails to secure blinds without permanent frame modifications.

Light guides activate embedded photochromic materials to alter window transparency, eliminating complex electrical electrodes and geometric constraints.

Composite conductive layers resolve coil strength limits in thin film shades, enabling dynamic solar control without mechanical failure.

Wireless induction removes protruding terminals, reducing the gap between curtain fabric and window frame to minimize light leakage.

A winding mechanism for window coverings uses a pivoting stopper to halt cord release when the covering material encounters an obstacle.

Quick-fit connector members and retaining flanges separate attachment stages, reducing assembly time while maintaining structural integrity.

Segmented sealing components allow current conductors to penetrate only the secondary seal, preserving primary gas tightness while simplifying assembly.

Segmenting the power supply into an independent compartment allows battery replacement without motor disassembly, reducing maintenance complexity.

A window shade employs a switchable coupling mechanism to decouple lift actuator from reel, enabling independent panel opening at any height.

A variable transparency glass uses segmented sub-electrodes to adjust light transmission via individual voltage control.

Hermetic sealing prevents moisture ingress while a pressure sensor monitors internal conditions to prevent blind jamming under differential pressure.

A gravitational sensor detects the angular position of a roller tube to enable precise motor control for architectural shading assemblies.

A multilayer film resin layer combines acrylic, polyester, and urethane components to achieve versatile adhesion.

A light modulating device uses an optically transparent adhesive film to attach a liquid crystal cell to a curved transmissive plate.

Integrating a solar cell within the device eliminates external power requirements, enabling self-sufficient operation in remote locations.

Magnetic control segments curtain pieces to eliminate safety hazards from cords while enabling selective light transmission.

Dynamic slat angles block sunlight interference, resolving the contradiction between image contrast and ambient light reflection.

A rotary drum incorporates a movable impeding part to wind and unwind suspension members in window shade actuating systems.

A window shade control module uses a clutch and arrester mechanism to transmit rotation for raising the shading structure.

Soft elastomer compression switches optical states while stiff dielectric layers maintain mechanical stability.

Integrated spring motor and brake apply opposing forces to a shared shaft, balancing panel weight to prevent sagging in compact headrails.

A stack of flexible sheets with non-metallic conductive layers transitions between open and closed states via electric potential.

A cordless blind roller uses a gravity weight and elastic member to balance screen torque through friction.

A multi-zone electrochromic device uses a common continuous bus bar to control independently controllable zones for uniform coloration.

A universal connector joins architectural coverings to surfaces using a rotating bayonet locking mechanism.

A telescopic roller shutter drum uses sliding motor means to adjust its length between fixed end supports.

Replacing unstable dye molecules, the dual-layer liquid crystal structure achieves a colorless and transparent state by controlling molecular orientation.

A bi-directional clutch mechanism uses a coaxial tether and torsion spring to enable compact mounting in confined spaces.

An adhesive adapter bonds to substrates while a holder element locks onto it, resolving the trade-off between installation simplicity and holding force.