Electroluminescent Light Sources TRIZ Cases

See how tapered through-holes filled with light-transmitting ink hide display openings when off

See how asymmetric through-holes and light-transmitting ink layers conceal display openings whe

See how duty-cycle control of light emission units prevents unintended bioelectric operation an

See how a film layer and tapered through-holes filled with light-transmitting ink hide display

See how a ventilator integrates a power storage module and control unit to maintain illuminatio

See how a helmet-mounted solar array, battery pack, and heater resolve power loss in remote col

A resin structure surrounding the frit seal blocks moisture and oxygen ingress while strengthening OLED encapsulation edges.

Solar charging, battery storage, and helmet heating/cooling keep devices powered and users warmer in remote cold conditions.

A solar array, battery pack, and heater built into a helmet attachment keep small devices powered and usable in cold, remote conditions.

PWM duty-cycle control makes selected panel icons brighter than background LEDs, improving command visibility in clothes treating appliances.

A frit seal and elastic polymeric bracket improve OLED hermetic sealing, adhesion, and impact resistance against moisture damage.

A same-polarity n-type pixel circuit uses adjustment and clamp circuits to control OLED current while correcting amorphous silicon TFT threshold shifts.

A same-polarity n-type pixel circuit compensates amorphous silicon threshold shifts to simplify OLED panel manufacturing and stabilize light control.

Different-sized front and rear connection pads absorb side-wire misalignment, lowering resistance and reducing uneven display luminance.

Primary-side current averaging replaces optocoupler feedback in a forward converter, cutting LED driver complexity and cost while keeping load current control.

A nickel-plated stainless steel substrate improves bismuth-glass adhesion, moisture barrier performance, and bending resistance for flexible devices.

Tilting and rotating the substrate or mask during vapor deposition enables direct, resist-free 3D nanopatterning with precise self-aligned structures.

Separated electrodes, guide structures, and reflective surfaces align ultra small LEDs without damage while boosting front-facing light emission.

A 5 μm+ polyimide layer planarizes the PZT sensor stack, suppressing display unevenness while preserving pressure sensing.

Insulating blocking films and an orientation-controlling layer suppress leakage paths in GaN transistors while supporting high breakdown voltage.

A silicon oxide interface and insulating layer suppress leakage between adjacent OLED pixels while preserving luminous efficiency and color stability.

A hydrophobic-to-hydrophilic transfer process builds low-resistance composite electrodes while limiting substrate damage in photoelectric elements.

A spiro-structured NCNC platinum(II) complex limits molecular stacking and excimer formation, improving red OLED efficiency and service life.

Residual radicals from polyimide bank photopolymerization are neutralized in OLED light-emitting layers to reduce unevenness and extend lifespan.

Selective removal of inorganic films and exposed organic layer edges help flexible EL devices resist cracks during repeated small-radius bending.

Low-dipole host and blue dopant materials balance charge transport and reduce interlayer interaction for purer blue emission and higher EQE.

Primary-side current sensing replaces the optocoupler in a forward LED converter, cutting cost while maintaining precise load current control.

A stepped inorganic film and resin overlap help flexible display panels resist crack growth, moisture ingress, and dark-spot failures.

Staged heating removes ligands and solvent, then drives epitaxial shell growth to raise quantum dot LED efficiency and reliability.

Keeps output stable under DC grid voltage fluctuations, then uses input voltage itself to control output without extra control circuits.

A silicon oxide interface and silicon compound insulation curb drive current leakage between adjacent OLED pixels, protecting efficiency and color emission.

Vertical pressing at the mask deflection center closes substrate-mask gaps, enabling sharp, uniform organic EL deposition patterns.

Multiple protecting groups block Dexter triplet transfer in fluorescent layers, improving luminance, efficiency, and reliability.

A photosensitive ligand stamp patterns quantum dot films without residue or mixed ligands, preserving carrier transport and luminescence.

Alternating reflective metal and transparent electrode layers cut oblique-view luminance variation and keep white free of color tinge.

Dispersing n-type nanoparticles in a p-type hole transport layer improves hole-electron balance and raises quantum dot light-emitting efficiency.

Specific molecular-weight matching between two organic compounds lowers driving voltage in electroluminescent light-emitting devices.

Overlapping light-emitting layers cover pixel electrode edges, preventing anode degradation while removing the edge cover film process.

Uranyl-sensitized Eu3+ phosphors improve energy transfer and quantum efficiency while filling the teal gap for high-CRI displays and lighting.

Fluorinated pyrromethene-boron complexes improve green color purity, emission efficiency, and durability in color conversion films for displays and lighting.

A nanoparticle layer bonds display electrodes without sputtering onto subpixel layers, improving yield and reducing short-circuit risk.

A layered translucent electrode and conductive resin path dissipate static charge, protecting inorganic LEDs from electromagnetic noise damage.

Multiple boron-nitrogen heteroring emitters are spectrally tuned to curb self-absorption and raise external quantum efficiency.

Overlapping boost and data-retention capacitors lets a pixel generate higher drive voltage without sacrificing aperture ratio or raising power use.

A stacked lower-middle-upper metal terminal electrode covers flush end faces to block short circuits from wire overlap and surface steps.

Halogen and chalcogen surface coordination helps quantum dots suppress defects, raise quantum yield, and improve light-emitting EQE.

A dual hole-transport stack uses a continuous film plus nanoparticles to improve carrier transport while reducing leakage current in quantum dot emitters.

A five-subpixel display layout uses reflective electrodes to block background-light excitation of quantum dots while enabling dual-sided image output.

A constant-potential conductive layer shields thin flexible display panels from parasitic capacitance noise, reducing luminance defects.

Overlapping boost and storage capacitors raise pixel drive voltage while preserving aperture ratio, luminance, and lower source-driver power.

Eu3+-doped uranium phosphors improve energy transfer and quantum efficiency for high-CRI lighting with reduced hazardous blue emission.

An organic intermediate layer with greater thickness in the shortest-wavelength element reduces charging and preserves balanced luminance.

A two-compound OLED host melt mixture aligns deposition temperature and emission wavelength to raise efficiency, extend lifespan, and keep driving voltage low.

Overlapping asymmetric non-transmission areas keep bonded transparent displays bright and see-through even when layer alignment shifts.

A reflective optical layer redirects converted red or green light outward, improving light extraction and lowering display power use.

An insulating layer and sine-wave drive circuit enable low-cost external-electrode UV tubes with uniform emission and no edge spark discharge.

Staggered subpixels with different quantum dot peak wavelengths limit self-absorption and preserve color purity at high gray scale.

A shared phosphor layer mixes light from multiple LEDs to deliver tunable white output with more uniform color and less need for secondary optics.

A dual hole injection layer with tuned materials and energy levels improves charge transfer, lowers voltage, and extends OLED lifespan.

Curved conductive layers within a flexible display integrate multiple antennas to support 5G beamforming without enlarging circuit size.

A controlled-atmosphere organic EL line links deposition, etching, and sealing to avoid impurity exposure while improving aperture ratio and throughput.

A flash LED driver switches transistor paths by brightness level to cut excess voltage headroom, energy waste, and transistor area.

Touchless signal detection lets a microcontroller switch and dim lighting without mechanical contacts, reducing sparks and contamination.

Sampling detection voltage only during LED current flow keeps PWM dimming feedback accurate and current stable at very low duty cycles.

Parallel resistor-diode RC paths ramp LED on/off timing without active circuitry, cutting space, power use, and heat in cabin lighting.

PWM charging and discharging control lowers LED PN junction temperature, improving LCD backlight brightness and uniformity.