Planar Light Sources TRIZ Cases

A portable lighting device uses a flexible polymeric diffuser screen positioned between an LED array and transparent cover to control light emission.

A reflective sheet with a wavelength conversion layer redirects light back to the cover.

Argon-filled LED module prevents UV damage and VOC penetration through hermetic sealing, ensuring long-term light quality.

Synthetic jet ejectors draw ambient air between fins to resolve insufficient localized cooling for hot spots in LED fixtures.

Closed reflective barrier walls on a lens plate reflect high-angle light rays to improve G/G* classification without increasing manufacturing costs.

Die-cast and extruded components manage LED heat to balance manufacturing cost with structural strength.

A halo lighting unit uses a rotational light guide to redirect secondary lamp emissions horizontally across a 360-degree angle.

Protruding support rods prevent drifting toward water edges, maintaining preset distances and preserving landscape effects.

Segmented mounting and locking rings increase contact area to dissipate heat from LED modules, preventing premature failure.

A separate optical element modifies the uniformity of a light field emitted by a module to create adaptable illumination patterns.

A thermistor sensing system monitors LED light engine temperature to adjust electrical signals via pulse width modulation for precise color output.

A single illumination apparatus uses a microlens array with two distinct light source arrays to generate both structured patterns and continuous flood lighting.

Segmenting a semiconductor layer into independently controlled high and low luminance areas shapes the beam distribution to prevent upward light projection.

Segmented substrate recesses increase reflective surface area while narrow inner leads minimize light shielding, maintaining directivity.

Dispersing coloured light-emitting diode elements eliminates visible banding and hot spots while enabling scalable luminaire designs beyond fixed module sizes.

Mesh-type conductive wires on a flexible base film lower resistance for faster electric response speed in LED panel lamps.

A flush mount lighting fixture uses magnetic attachments for interchangeable faceplates and wall wash inserts to enable customizable illumination levels.

Extracting the driver to the base module reduces cap size while a segmented design allows easy removal for maintenance.

Segmented LED modules and dynamic positioning resolve the contradiction between illumination uniformity and device complexity in indoor growing facilities.

A light emitting device uses semi-cylindrical lens portions with varying radii of curvature to distribute ultraviolet light intensity.

Segmented holder and cover element protect light guides from thermal damage while maintaining precise alignment.

Segmented RGB LEDs on a transmissive flexible substrate maintain object visibility within 90 cm by minimizing glare from close-proximity illumination.

An integrated connector uses circumferential bores to orient LED tubes for light redirection without complex adapters.

Segmented tree-shaped PCB subassemblies interlace to increase LED density while reducing substrate waste.

Integrated on-board connector and rigid wireway duct streamline electrical connections while maintaining environmental sealing for high-luminance LED fixtures.

An opening in the reflector cap redirects light to reduce shading and enhance radiation isotropy without adding complex components.

A reflective optical system deflects light rays from an organic light-emitting diode surface source, resolving low luminance on curved flexible substrates.

Radial dots on a 3D reflecting sheet compensate for directional LED emission to resolve non-uniform brightness in displays.

A buffer layer enhances adhesive strength between protective and adhesion layers in light emitting diode packages.

Chessboard LED placement stabilizes emission characteristics despite source loss.

An extruded heatsink with fins and a mounting tray supports LED light sources in outdoor lighting fixtures.

Imagers detect shaded regions and glare, triggering actuators to reposition lighting modules for shadow-free visibility.

Edge-mounted terminals on LED substrates enable flexible array expansion while keeping circuitry off the light-emitting surface to maintain luminous output.

Mixing ultraviolet and blue LED chips in parallel strings balances threshold voltages, preventing uneven light emission and improving luminous efficiency.

A lighting device uses a parabolic collimator and diffuser to shape light output.

A light emitting device uses a spherical optical component to shape beams from an extended source.

Curved lenses merge separate light paths into a shared optical axis, eliminating distribution deviations from manufacturing tolerances.

A lighted brick construction system integrates an LED matrix and PCB within modular bricks to provide dynamic illumination.

An integrated LED housing and heat sink structure channels ambient fluid flow across dissipating surfaces.

A lighting module uses a flexible optical component with embedded lenses to align over LEDs on a rigid carrier substrate.

Flat lenses and reflective paper on a slim troffer housing minimize light mixing, reducing glare while maintaining uniform illumination.

Integrating a silicone lens into the enclosure replaces thick glass, reducing weight and cost while maintaining impact resistance.

A lighting module integrates a driver circuit board within an open-rear housing to enable direct electrical connections.

An integrated LED lens suppresses luminance variability by merging multiple diodes into a single unit that eliminates separate optical members.

Independent phosphor excitation resolves narrow spectral spikes, delivering high CRI and black body curve conformity without added complexity.

An LED work light assembly uses an integrated metal housing fixture to dissipate heat from the light source.

Non-uniform light source density and parabolic reflectors eliminate brightness variations without requiring a thick light-guide plate.

A dual-sided LED light source emits illumination from both surfaces while transferring heat through passage openings.

Flat lighting modules with planar coils enable contactless power delivery, eliminating bulky drivers and pollution risks.