Planar Light Sources TRIZ Cases

A flexible sheet luminaire uses a pulley drive to twist or roll its shape based on detected hand gestures.

A lighting module integrates an LED light-emitting device, a thermal interface for heat conduction, and an optical element to direct emitted light.

Inverting LED mounting on a flexible substrate eliminates hot spots and boosts luminous efficiency without requiring separate light-shielding patterns.

A detachable driver cover conceals the module while dissipating heat from the panel light apparatus.

Merging individual lenses into a single common segment reduces lateral area while maintaining beam shaping control and homogeneous illumination.

A vehicle lamp uses a prism light distribution adjusting element to refract emitted light and expand the source image across the projection area.

Hybrid canopy lighting uses interchangeable LED clusters and reflector cups to deliver customizable light distribution patterns.

Segmented housing structure exposes light source board to improve thermal dissipation in ultra-thin downlights.

Segmented LED arrays with collimating optics enable high-contrast image projection without increasing overall power consumption.

A lighting apparatus uses a light distribution modification panel to diffuse and transmit dynamic light emission.

A vehicle lamp device uses a bendable light-emitting surface supported by a driving bracket to dynamically adjust illumination shape and color.

An optical waveguide body uses linear and nonlinear light extraction features to direct light asymmetrically through the substrate.

An elastic pressed device secures the bottom edge of an LED light bulb shell, eliminating weak mechanical buckles and harmful adhesive gluing processes.

Segmenting the LED array into individually controllable elements changes beam angle without mechanical movement, maintaining optical quality.

A close-packed array of light emitting diodes uses conductive rods in a nonconductive substrate to dissipate heat and produce light efficiently.

An inclined planar light source directs more light toward a bowl-like reflector, increasing wall illumination in a vertically wide range.

Discontinuous facets on the optic surface minimize visibility of individual LED dies, reducing dark borders and artifacts in the emitted beam.

Three segmented emitter groups achieve a CRI Ra of at least 70 while maintaining color accuracy within ten MacAdam ellipses of the blackbody locus.

A dimmable LED growth light uses segmented reflector housings and a multi-channel driver to deliver customizable spectral output for plant cultivation.

Reversing refrigerant flow through segmented heatsink channels averages temperature distribution, extending LED chip lifespan in photolithography modules.

Inclined patterns on an optical member guide light via refraction, replacing mechanical filters to reduce device complexity in LED lighting.

Nested liquid silicone rubber inside a rigid housing reduces manufacturing cycle times and component count while maintaining optical efficiency.

A luminaire uses a circumferential support frame with spacer elements to position the light guide plate at a defined distance from LED sources.

Embedded PCB coolant channels dissipate heat from densely packed LEDs, resolving thermal constraints that limit device orientation and lifespan.

A light emitting device uses distinct lens clusters to produce dynamic natural lighting effects without mechanical cooling noise.

Adhering flexible substrates to a reflective sheet reduces production costs while maintaining electrical insulation.

A deployable multi-sided illumination device with a delayed activation mechanism provides 360-degree lighting coverage.

Integrating the housing and lens holder eliminates cumulative dimensional errors, ensuring precise distance control for accurate light spot shaping.

A transparent cathode paired with a specific adjacent layer improves light extraction in organic electroluminescence elements.

Segmented LED drive circuits adjust spectral output to minimize melatonin suppression while maintaining high color rendering indices.

Lever arms swing from a narrow profile for insertion to a wedged position that locks the adapter, solving compatibility issues with traditional lamp holders.

High ductility aluminum bases and silicone gaskets absorb ballistic shock energy, preventing transmission to illumination sources during projectile impacts.

A light module uses segmented single-layer substrates to mount emitting and drive elements separately.

A baffled tri-region optic lens system images a square LED array into a rectangular field using aspherical plastic components.

A ceiling light uses a circumferential dial wheel to regulate brightness without disassembly.

Secondary optics block stray light to eliminate glare and spill light while maintaining precise beam control.

A pullable downlight module moves via a drawstring mechanism to reposition the light source within the housing rim.

An Nd3+ and F3- ion coating filters specific wavelengths to improve color rendering while simplifying the white light generation process.

Upstanding heat conductive walls transfer thermal energy from meandering light emitting elements to a heat sink interface, reducing neighbor-induced heating.

Radial ribs on the light guiding member refract LED beams into cone-shaped patterns, resolving monotonous beam identification issues.

Relocating the light source axially frees radial space for larger fan blades, improving heat dissipation efficiency.

A rotatable beam angle selector aligns multiple primary optics with a fixed light source to adjust illumination spread.

Curved reflection surface directs light from LEDs to form adjustable patterns, eliminating complex housing structures and improving heat dissipation.

A light emitting arrangement uses a pixilated wavelength converting member with multiple quantum dot domains to produce continuous spectrum output.

An organic electroluminescent module uses a single electrode for both light emission and capacitive touch sensing.

A weather-tight LED fixture uses a Fresnel lens and active air cooling to resolve metal halide bulb life and energy consumption trade-offs.

Sized surface depressions redirect edge light to eliminate shading shadows and achieve uniform illumination across the panel.

A light emitting array positions high-performance elements at the center to align with a collection optic axis.

Folded flexible light sheets enable customizable lengths and shapes, resolving the trade-off between geometric adaptability and manufacturing cost.

Combining blue and yellow-green LEDs with phosphors to generate consistent white light, resolving hue variations across large illumination areas.