Passenger/Driving Compartment Lightings TRIZ Cases

A recessed light-entry surface and ventilated hollow volume improve backlight uniformity, touch sensitivity, and cover stability.

An inner-outer cover hinge with an absorption area concentrates deployment stress to protect a lighting emblem and control airbag opening timing.

A curved light guide uses at least two reflections to emit opposite the source direction, enabling compact steering-wheel status signaling.

Magnetic force sensing with a guided sliding housing enables low-wear, short-stroke brake and acceleration input detection with visual feedback.

A lens reshapes LED emission so more light reaches the steering wheel grip, improving perceived luminance while reducing wasted light.

Multi-zone sensing identifies passengers, speed, and carried objects to open the right vehicle door at the right time.

Embedded LEDs in transparent plastic let an airbag cover illuminate logos or warnings while preventing hazardous debris during deployment.

Optical gesture ignition and color-changing cabin feedback help EV drivers switch powertrain state clearly while avoiding unnecessary energy use.

Optical hand-gesture ignition with color-changing feedback helps EV drivers avoid unclear power states and unnecessary battery drain.

Edge-lit light guide film under a transmissive carpet spreads diffuse aisle light, reducing passenger disturbance and floor trip hazards.

A central holographic projector feeds optical fibers to independently control vehicle lighting sub-systems with less source complexity and easier maintenance.

An intrinsically stiff knitted surface covering enables edgeless vehicle interior cladding with stable shape, clean edges, and integrated light transmission.

Individually switchable opaque cover segments sharpen vehicle light contours and separate on, off, and color areas with guided light.

A movable shift lever and light module make EV ignition status and gear stage visible, helping drivers recognize when the vehicle is ready.

An elongated rotary control nested in the steering column improves reach and haptic use while allowing generous manufacturing tolerances.

A hidden spring-deployed handle and Bowden cable provide mechanical vehicle door release when battery loss or a crash disables the latch.

A diffusing layer turns LED points into a continuous steering-wheel light bar, improving warning visibility without distracting dashboard glances.

A ribbed inner hinge absorption area concentrates deployment stress to protect a lighting emblem cover and control airbag opening timing.

A layered trim with opaque apertures and translucent metallic coatings enables chrome-like backlighting without plating impact or angle distortion.

Integrated lighting in vehicle trim redirects light through a translucent layer to cut part count, footprint, and visible gaps.

Localized steering wheel lighting uses color, intensity, and pattern changes to show automation modes and hands-on requests faster.

A tab-and-strap mounting structure secures the curtain airbag without bending the plate, cutting assembly time and preventing sagging damage.

Pre-formed sheath openings with temporary closure and folded flaps prevent wrinkles around steering wheel rim devices and improve finish quality.

This case uses vehicle reading lights for visible light communication, simplifying seat occupancy control without video analysis.

An integrated rim display replaces lost mechanical feedback by showing dynamic steering angles, resolving driver uncertainty when the wheel remains stationary.

A vehicle trim element uses a luminous sheet to illuminate both main and peripheral display surfaces for seamless visual content.

A seat belt buckle housing uses a detent mechanism to align the light conductor and front panel.

A vehicle door handle shell integrates an optical waveguide to direct light from a source through a transmissive region for uniform interior illumination.

A connector restrains the driver airbag cover deployment, preventing hazardous debris from striking passengers during inflation.

Variable depth prisms in automotive light pipes prevent hot spots at bends by compensating for non-uniform light extraction through local quality adjustments.

A seatbelt assembly uses color-coded light sources on the buckle and latch plate to visually identify matching pairs.

Segmented emblem assembly with light guide reduces airbag system complexity while maintaining illumination intensity.

A shielding element between light guide branches prevents stray light and protects against dirt, improving insertion slot visibility.

A vehicle door control system detects recognized passengers and objects to activate liftgate and side doors based on arrival speed.

A vehicle interior molded part uses obliquely oriented light passages to conduct visible light from a rear side to a decorative front side.

Flared headrest wings integrate reading lights and loudspeakers, preserving peripheral vision while providing lateral support.

Weight sensors activate side-mounted lighting to illuminate the belt locking space, resolving installation complexity and energy use trade-offs.

A vehicle control system guides passengers to optimal floor positions using detection feedback.

Integrating a light source into a decorative handle attachment eliminates interior trim modifications and simplifies manufacturing across vehicle models.

A support plate dissipates heat from steering wheel LEDs, preventing thermal degradation of driver monitoring systems.

A vehicle door trim lighting device positions a light exit member on the inner side of the handle housing to direct illumination through a transmission portion.

A vehicle imaging light emitting unit uses two portions with intersecting optical axes to expand the irradiation range for occupant detection.

Segmented illuminated emblem assembly with non-permanent connection separates illumination source from airbag cover to prevent damage during maintenance.

Key identification signals differentiate primary from secondary drivers, disabling entertainment features when safety protocols remain unmet.

Pivoting light assemblies mounted on motion control levers protect components from damage while providing comprehensive side and front illumination.

Directional light emission on the steering wheel resolves confusion about future vehicle trajectories by mapping spatial positions to motion vectors.

Wrapping secures a steering wheel light bar assembly to the rim, resolving detection capability versus aesthetic appearance.

Segmented PCBs under the rim drive actuatable light sources to transmit real-time alerts, resolving information loss against device complexity.

Film printing replaces sequential painting steps on vehicle emergency switches, eliminating drying time while maintaining clear symbol visibility.

A lever switch integrates main and cover sections using engaging protrusions to hold a photoconductor between them.