Planar Light Sources TRIZ Cases

A circular light-guiding structure uses microstructures and trenches to diffuse light uniformly across the emission area.

Segmented submounts and conductive elements electrically couple high voltage LEDs in series, improving heat dissipation and connection reliability.

A flexible organic electroluminescent illuminating device integrates a single driving unit to enable natural movement of the light-emitting surface.

A linear LED array uses translucent and semi-opaque panels to create architectural partitioning with integrated lighting.

Overlapping planar LED emission areas reduce non-uniform brightness on the outer tube globe while maintaining high luminous efficacy.

Integrated lens and translucent diffusing layer disperse LED light energy across a larger surface area for uniform illumination.

A tri-lobe optic with concave and convex curves spreads light from a linear LED source over a larger area.

Segmented rotating bars resolve the contradiction between high-resolution displays and structural complexity, enabling immersive interactive gaming.

A secondary optical element with a curved incidence surface and free-form emitting surface reduces glare while maintaining high light extraction efficiency.

An expanding fireproof unit covers the LED circuit board and surrounding gaps when heated, preventing flame spread through ceiling openings.

Extendable spring electrodes allow a reversible LED component to fit various sockets while maintaining functionality across current directions.

A rotatable lighting device uses a sliding ring and guide grooves to reduce cable stress and wear while maintaining illuminant orientation.

Air deflectors redirect heat expulsion opposite to light emission, preventing curing medium disturbance.

Applying a reflective coating after reflow soldering prevents paint discoloration and maintains uniform light output efficiency.

A resilient silicone gasket yieldingly constrains a secondary lens to accommodate thermal expansion.

A spotlight design uses a light mixing rod to homogenize LED output before reflection.

A one-piece optical member with polymeric secondary lenses directs light from LED sources.

Continuous optical elements linked by flexible joints eliminate alignment tolerances between separate reflectors.

A wavelength selection layer transmits first wavelength light and reflects second wavelength light in a backlight assembly.

Segmented LED modules with light shields reduce headlamp volume while preventing dazzling to other road users.

A light-emitting device uses multiple laser sources to drive a single section for flexible light distribution patterns.

A translucent insulating acoustic panel integrates LED lighting elements directly into its structure for decorative wall covering applications.

Thermoelectric cooling devices manage LED operating temperature, preventing thermal backflow and extending lifespan in high-power applications.

Segmented conductive patterns expand surface area to dissipate heat from high-power UV chips, preventing thermal damage and improving reliability.

An internal magnetic ball switch provides dimmer and toning control for LED bulbs, preserving the bulb's aesthetic shape and simplifying mold design.

Gravity alignment in a suspended fixture holds removable flat-panel lamps with external contacts, simplifying maintenance and reducing replacement costs.

Segmented borders with rotary shaft mechanisms enable rapid replacement of shielding plates, resolving complexity versus ease-of-operation trade-offs.

Segmented fixing portions and elastic members relieve thermal stress on bonding areas, preventing cracking while maintaining lens array positioning accuracy.

Thermal insulation separates the connector housing from the luminaire chamber, preventing electrical component overheating during high-power LED operation.

Transparent member guides light from surface emitting source to multiple exit surfaces, reducing complexity and cost.

Triangular LED groupings eliminate point-source shadowing and secondary optics while maintaining thermal management.

Segmented lens array rotates to direct omnidirectional LED emission into targeted beams, resolving intensity coverage trade-offs.

A light emitting device module combines blue and orange LEDs with phosphors to produce white light.

An LED light fixture uses specific lime and deep red wavelength ratios to produce a balanced color mix.

Clamping grooves on the lamp body engage with a bracket module to eliminate tedious screw alignment, simplifying the assembly process.

A barrier structure confines phosphor-containing encapsulating material around an LED chip to maintain uniform distribution.

A lighting system uses an LED array and controller to mix specific wavelengths, resolving the trade-off between spectral precision and device complexity.

A lighting module integrates a heat radiating layer with dome-shaped lenses to manage thermal energy and direct light output.

A light-emitting diode with multiple dies and a controlling unit selectively drives different groups to emit light beams.

Curved optical elements redirect linear LED emission into radial patterns, resolving illuminance unevenness without increasing device size.

Reflecting grooves on a light guide plate surface redirect trapped light to suppress brightness non-uniformities caused by total internal reflection.

An integrated optical device merges secondary lens functions into the package body to eliminate separate alignment steps while achieving wide beam angles.

A punching panel with color coating replaces traditional covers in LED side marker lamps to match building aesthetics.

A light source module uses a partial focusing lens and reflector array to redirect light beams into the optical path.

Integrating the fan into a ceiling groove reduces floor height occupation while maintaining airflow efficiency through an air outlet duct.

Magnetic attachment replaces mechanical fasteners for thin light-emitting bodies, enabling easy exchange while maintaining secure electrical contact.

Lens holder aligns silicone lens array on printed circuit board, resolving thermal expansion and mounting precision trade-offs.

A lighting device uses a micro-lens array on an optical plate to refract light and reduce glare.

A strip lamp uses lenses to refract blocked light across mounting seats, redirecting otherwise wasted rays toward the illuminated surface.