Non-Electric Lighting TRIZ Cases

Alternating PCB and wiring film sections prevent LED package tilting, ensuring uniform height and luminescent efficiency in backlight units.

A directionally-adjustable LED spotlight uses a ball-and-socket joint to attach the light array to a fixed heat sink.

A vehicle armrest illumination device uses a light directing member to redirect emitted beams toward the front of the cabin.

A light transmissive solid fills an optical integrating volume to closely conform to LED emitters and redirect emitted light.

Heat sink element creates cooling airstream via APU exhaust pressure difference, reducing LED temperature without mechanical blowers.

A translucent vehicle switch body acts as a light pipe to guide illumination from an internal source directly through the component structure.

A personal lighting device housing uses interlocking protrusions and threading to secure attachment while enabling easy activation.

A projection system uses two light source units to manage power and brightness levels.

Asymmetric light source arrays with varied spacing and orientation distribute illumination uniformly, eliminating hot spots in the display.

Segmented LED modules with interchangeable lenses eliminate light waste while adapting to changing warehouse layouts.

A transparent solid sphere refracts LED light into tubes to concentrate optical energy onto bifacial photovoltaic cells.

Segmenting the housing and light module reduces lens size while universality enables decorative shade attachment.

Snap-fit buckles and threaded fixing seats simplify lampshade assembly, reducing labor intensity for large-scale installations.

A cover member seals moisture vapor barrier film edges on a phosphor sheet, blocking humidity ingress that degrades sulfide-based phosphors.

Segmented waveguides and integrated shields reduce glare while expanding illumination coverage.

A compact beam combining light source uses staggered emitter rows and interleaved collimating reflectors to align polarized optical radiation.

Segmenting the light source from the optical component resolves glare efficiency trade-offs while maintaining architectural design flexibility.

Segmented prism plates enable flexible beam angle adjustment in downlights, reducing inventory costs and improving product versatility.

Reflective channels manage LED heat through fins, preventing temperature buildup that degrades efficiency.

Two-component injection molding joins opaque and transparent polymer layers to embed LEDs, resolving glass inflexibility while reducing weight.

Segmented laser stacks and interchangeable modules eliminate multiple projector requirements for variable spot shapes.

Perpendicular LED orientation with reflectors replaces xenon flash tubes, reducing maintenance frequency while maintaining illumination intensity.

A light source module uses direct-mounted blue LED chips with wavelength converting layers to produce uniform illumination.

A vehicle headlight projection lens directs light from specific incident positions to control beam orientation and color distribution.

Photoluminescent materials absorb light energy to emit visible illumination, resolving low-light visibility contradictions in water sports equipment.

A luminaire uses a concave reflector to redirect light from an OLED surface source, suppressing glare at large emission angles.

Perimeter spaced LEDs on a disc mount direct uniform light to eliminate shadow effects from clustered sources.

Segmented layers and composite materials resolve durability and power consumption trade-offs in under-the-hood vehicle emblems.

A linear LED illumination device uses inclined light sources and a parabolic reflective body to direct optical paths toward the emission face.

Housing fastens printed circuit and optical device stack without screws, reducing production complexity and cost.

A reflective partition between light sources redirects stray rays to block leakage, eliminating the ripple phenomenon (Mura) that degrades display clarity.

LED landing lights generate a Y-shaped light distribution to eliminate wasted light from cockpit shading.

Spacing the phosphor layer from excitation sources suppresses color unevenness caused by nonuniform application and environmental deterioration.

A lighting assembly holder with adjustable fixing members enables precise light-output angle control.

Asymmetric deflection patterns on the light guide plate broaden directivity while maintaining front luminance, preventing flickering during device inclination.

Rotational connections and angle limiting latches enable compact folding, reducing storage volume while maintaining waterproof reliability.

A fuel-burning torch system uses a central reservoir and plumbing to automatically replenish local fuel tanks for continuous insect repellent operation.

An integrated charging emitter in a lamp holder generates electromagnetic fields to charge digital products, eliminating wired connections.

A heat pipe elevates LEDs above the base to dissipate thermal energy, enabling higher drive currents and omnidirectional emission patterns.

A document illuminating system uses a reflective element to guide light from an array of emitting elements across a read area.

Resin rear frame protrusions contact the bent fluorescent tube corner to maintain wall temperature, preventing mercury condensation and extending lifespan.

An automated imaging system uses synchronized flash photography and a rotating turntable to capture high-quality product images.

A high refractive index polymeric total internal reflection lens redirects light efficiently within compact solid state lighting assemblies.

A mixed light apparatus uses overlapping focal points to mix LED light sources.

Segmented steel ropes detach fan assemblies, resolving ladder safety hazards during cleaning.

Communicating air cells in a PCB reflective unit boost luminance without adding the thickness of a separate light guide plate.