Planar Light Sources TRIZ Cases

Alternating LED module orientations reduce bright spot distance to fix uneven color distribution in displays.

Segmented fluorescent layers with interstitial gas gaps reduce thermal quenching and reabsorption losses in compact white LED packaging.

Segmented phosphorescent organic light emitting device panels maintain surface temperature below 40°C to eliminate glare in personal lighting.

Merging antennas with filtering surfaces resolves design space constraints, enabling smart city infrastructure without increasing device complexity.

Integrated sheet metal housing with thermal barriers and reflective coatings reduces thermal stress on high-wattage LEDs while maintaining a compact profile.

Mild steel downlight housing dissipates LED heat through conduction and radiation without a separate conventional heat sink.

Internal radial fins transfer LED heat through the base, resolving conflicts between thermal management and fixture size constraints.

Rectangular LED surfaces orient light differently horizontally and vertically, reducing intensity irregularities in the cutoff zone.

A multi-sided light guide member redistributes LED light through internal reflection to create uniform linear and surface emission patterns.

Inclined LED units in a rectangular lattice create overlapping beams that obscure rectangular outlines, increasing light density.

Continuous variation of symmetrical wave grooves expands illumination width to 110 degrees at 25 meters.

A rotary lighting apparatus uses a pivot connection to enable infinite rotation of the movable part.

A stepped aspheric optical lens refracts directional LED light into a controlled orientation angle for outdoor lighting applications.

A light source uses phosphor-embedded transmissive members to emit uniform light distribution across multiple color channels.

A variable master current mirror circuit dynamically balances currents across parallel LED strings by referencing the highest forward voltage.

Spring-loaded mounting carriage connects the heat spreader to existing street light heads, enabling efficient heat dissipation without structural modifications.

A lamp uses dot matrix light sources to display dynamic preset patterns.

Scattering units between matrix light sources reduce dark areas and improve light distribution uniformity on curved displays.

Compressing an annular reflector between a base and retainer eliminates manufacturing distortions in aviation anti-collision lights.

Non-adhesive bonding of light extraction features on a substrate eliminates adhesive layers, improving production throughput and luminance control.

Partially metal-coated faces in a flat lighting device create depth effects, reducing space requirements for vehicle interior functions.

A dual-sided LED lamp uses a reflection surface to radiate light in forward and rearward directions.

Central wide-angle LED mixes light from adjacent narrow-angle LEDs to reduce color unevenness in illuminating light.

Segmented LED modules maintain light intensity over distance while covering larger areas, resolving the trade-off between coverage and plant illumination.

An optical-transformation layer with metasurfaces adjusts light parameters to resolve the trade-off between device complexity and photosynthesis efficiency.

Rotatable mounting posts adjust optical module height to match different LED substrates, eliminating the need for specific modules per LED type.

Segmented movable and stationary light modules reduce shadows and glare while maintaining simple ceiling integration.

Remote optical system deflects light rays from an OLED surface source, resolving insufficient luminance and glare constraints in motor vehicle signaling.

Transparent plate disperses LED light evenly, eliminating shadows and reducing mechanical stress on the illuminating module during table displacement.

Grid patterns on the back surface scatter light from emitting elements, preventing unevenness in illuminance and annular bright spots.

Rear surface pattern illumination preserves wood-grain aesthetic continuity while enabling passenger information display.

Aluminum elongated housing with polycarbonate cover resolves heat dissipation and pressure resistance trade-offs in LED ceiling lamps.

Elastic sheet enables tool-free lens replacement while rotating assembly adjusts light distribution direction.

A gyro sensor detects headlamp vibrations while a microprocessor selects active LEDs in a matrix to maintain a stable light cone for cyclists.

A lighting assembly substrate positions a light emitting element within an opening to separate optical and electronic components.

Segmented light sources in a lamp reduce glare by activating multiple emitters for larger emission surfaces.

A lighting module uses an additional solid state light emitting component to increase lumen output without altering the desired white point.

A torsion spring retention feature secures an LED light engine within a recessed lighting can housing.

Segmented electrode patterns with protrusions distribute current across the active layer, reducing forward voltage and heat emission in light emitting devices.

Connector pins engage trenches in composite boards to link extension modules, eliminating individual wiring for flexible component positioning.

Varying LED density on the board optimizes heat distribution while a clamp bar reduces thermal resistance between drivers and the housing.

A heat pipe with evaporator and condenser portions transfers heat from light sources to a housing, resolving thermal bottlenecks that shorten LED lifespan.

A passive optical lens steers light beams using segmented illumination sources without moving parts.

Hinged plates fold to restrict wire movement, preventing dislodgment and electrical shock in LED linear modules.

A multi-layer protection layer on the peripheral region of a light emitting structure reinforces adhesive strength at the electrode interface.

Variable adhesive strength stabilizes the reflector on the substrate, preventing detachment during temperature changes.

A rotatable LED optic module directs light to a target area through a molded lens coupled to the heat conducting body.

Flush-mounted retention clips secure LED boards to substrates without protruding above the board surface.