Planar Light Sources TRIZ Cases

A lighting device substrate holder applies pressure through a padding made of the same material as the sealant to secure the light-emitting module.

Hinged side bodies and a pivotable base adjust illumination direction without moving the device, resolving bulk and fixed-angle constraints.

A vehicle light uses a reflective seat and lens to redirect and concentrate light rays from multiple emitters.

Recessed flange surfaces improve mold separation and adhesion strength while preserving optical performance of the functional part.

A monolithic light-emitting source pairs with converging optics to form virtual images of individual elements for precise light projection.

Tool-free locking members enable quick panel replacement, eliminating the time-consuming multi-step disassembly required by traditional screw-fixed structures.

A surgical light uses pivotable swivel plates and a linear gear to adjust the field diameter without moving the lamp housing.

A flexible lighting device uses a movable cover layer to mechanically adjust light direction and angle without electronic control.

Guide rails allow form-fitted carrier insertion, eliminating material bonding to simplify defective unit replacement.

An optical lens with segmented refractive indices directs light uniformly upward, resolving non-uniform distribution and hot spots in LCD backlight units.

Cavities in a flexible light guide enable total internal reflection to resolve uneven light distribution from spaced LED units.

A pixelated light beam forming device emits controllable sub-beams through a projection optical element to create versatile interior illumination patterns.

Convection holes in the PCB and heat sink drive natural air circulation, resolving low passive cooling efficiency while avoiding fan maintenance costs.

A three-dimensional organic substrate supports a radiation-emitting layer sequence to produce electromagnetic energy across all spatial directions.

Composite copper-aluminum substrates and heat pipes conduct heat away from LED elements, reducing temperature gradients for higher power densities.

LED array light assembly uses heat sinks and cooling fans to dissipate thermal energy from projector components.

Grooved secondary substrate secures primary LED array for efficient thermal transfer, reducing manufacturing time and failure risk from individual chip defects.

Transparent cover structural elements refract light through varying flank angles to direct optical output.

A vehicle headlamp uses a conductive film on the exterior lens to dissipate heat from an internal light source.

Gasket seals light board assembly to preexisting conduit body, resisting high pressure wash leakage without complex manufacturing steps.

Elongated diffusive lenses redirect light from LED arrays to achieve uniform color distribution in existing troffer fixtures.

Segmented refractive and TIR zones collimate peripheral light, reducing scattering losses in wide-field illumination.

Side protruding parts on optical lenses block lateral light transmission to eliminate interference and hot spot noise in compact lighting modules.

A hyperbolic reflector redirects directional LED light rays to create uniform illumination without separate lenses.

Optical forks replace friction-prone potentiometers in a medical lighting device, ensuring reliable handle position detection.

An integrated lens assembly covers multiple LEDs and houses the power driver within a single unit.

An intermediary positioning element aligns the optical element relative to the light source, reducing manufacturing complexity and cost.

A wide beam angle LED assembly uses a perpendicular flexible circuit to redirect light through a diffuser.

Segmented aluminum frame bars and LED strips connect via connectors to tensioned cables, reducing storage space and manual assembly time.

A vehicle illumination device uses two connected planar light-guiding elements to produce homogeneous and linear light emission.

Segmented light-emitting units with dedicated heat dissipation channels resolve the trade-off between variable light intensity and high manufacturing costs.

A frame component uses an expansion piece to drive a moving plate against a light guide plate.

A ceiling-mounted device support engages fixture adapters to distribute weight during removal.

A rotating joint member connects an LED lamp to a mount via convex and concave interfaces.

Rotating individually positionable optics creates customizable beam patterns, reducing inventory complexity and tooling costs.

Damming grooves on strip-like wirings prevent solder overflow into wire bonding zones, enabling high-density LED arrangements and effective cooling.

Elastic polymer bearings absorb vibration and mounting stress, protecting fragile OLEDs from breakage.

Detachable side plates on a text light box resolve transport damage risks while PVC materials extend lifespan against UV exposure.

Segmented polymeric layers improve manufacturing precision and optical efficiency by reducing cooling time during the molding process.

A lighting apparatus uses elastic hooks to secure a heat sink within a cup body for efficient thermal management.

A multicolor light engine substrate integrates separate LED chip groups to produce varied color outputs.

Single metal body merges heat dissipation, pole fixation, and mounting functions to reduce component count and assembly cost.

An asymmetric lens structure with a free-form second surface directs light beams to achieve uniform illumination across rectangular targets.

Helical lighting modules on a universal hub enable homogeneous illumination while allowing laminar air flow through the device structure.

Segmenting light output reduces abrupt brightness changes and glare for smoother visual adaptation.

Variable transparent insulating and electrode layer thicknesses across color subpixels minimize oblique color shift while maintaining luminance uniformity.

Rotary connectors enable orientation adjustment for non-round LED fixtures, resolving installation conflicts in standard recessed enclosures.

A phosphor layer with specific metal oxide particles emits fluorescent light from a high energy density excitation source.

Rear cavity placement protects the illuminant from environmental factors while maintaining electrical accessibility through the mounting structure.

A downlight uses a transparent surface ring with a truncated cone structure to guide light from an aluminum substrate.