Electroluminescent Light Sources TRIZ Cases

Varying strip line thickness across the substrate prevents color shift while simplifying the OLED manufacturing process.

A power control circuit detects AC input voltage levels to adjust laser driver output and restrict current consumption.

A self-healing overtemp circuit uses solid-state sensing to detect thermal runaway and automatically restore power to LED arrays.

Micro-LED arrays use circular parabolic mirrors to direct light into specific angular directions for high-resolution spatial imaging.

A shared green light-emitting layer eliminates color filters to prevent energy loss and simplify manufacturing.

Voltage-driven liquid crystal alignment adjusts display viewing angles, resolving the trade-off between fixed privacy limits and user-controlled versatility.

Modulating drive signal duty cycles transmits operational information through light intensity, eliminating separate communication circuitry.

Detects inductor current via a single resistor node across all switching modes.

A single constant-current unit powers multiple LED groups via parallel current path controllers for independent luminance adjustment.

Holes in the electrode plate allow moisture outgassing while an inorganic layer prevents re-absorption, maintaining display uniformity.

A dual feedback loop power converter adjusts commanded voltage to stabilize output levels.

Segmenting three blue chips with specific conversion elements regulates mixture ratios to match surrounding light chromaticity.

Offset liquid-philic layer guides semiconductor ink within apertures, preventing overflow between closely spaced features.

Nozzle groups allocate drops based on detected volume variations to achieve uniform distribution across organic EL display apertures.

A dielectric elastomer precursor fluid combines an elastomer matrix with ionic liquid and solvent to boost conductivity and fluidity.

A resin composition combines benzotriazole and triazine UV absorbers with a polyester matrix to form thin protective films.

A drying device reduces atmospheric pressure to evaporate solvents from organic ink layers on display substrates.

A quantum dot light emitting element uses spin coating to mix charge transporting particles and quantum dots into a single functional layer.

A thin film OLED structure integrates a linear polarization layer with a quarter wave layer directly on the substrate to form a circular polarizer.

Stacked ytterbium and silver cathode layers optimize light transmittance in top-emitting OLED displays.

Using an auxiliary dopant with a higher band gap energy than the host prevents unwanted emission and improves device lifespan.

A polymer host material with specific repeating units enhances phosphorescent device efficiency.

Subpixel groups arranged along intersecting axes overcome restricted layout density in existing OLED displays, enabling higher resolution.

Cholesteric liquid crystal layers reflect blue light to improve brightness while phase difference layers suppress oblique reflection.

Oblique spray nozzles deposit organic material on OLED substrates, reducing shadow effects from intermediate layers to maintain light emission efficiency.

Segmenting capacitance into parallel capacitors reduces expansion vibrations and sound production while maintaining voltage smoothing performance.

A segmented electroluminescent device shifts color points by adjusting operating voltage across parallel regions with distinct luminance-voltage characteristics.

An undulated vapor deposition mask substrate controls liquid flow to minimize adhesion issues during processing.

A multi-layer organic electroluminescent element uses specific luminescent materials to enhance light emission across wide angles.

Auxiliary switches regulate LED current through base-emitter voltage, reducing implementation costs compared to integrated circuits.

A controlling circuit modulates switching periods to achieve wide dimming ranges across multiple operational modes.

Carbazole hosts and heterocyclic guests boost emission stability while keeping fabrication simple.

A conductor portion on an organic EL device substrate detects luminescent section temperature via electrical resistance changes.

A flyback converter control device regulates constant output current using an auxiliary primary winding and signal multiplier circuit.

Stacking a drive integrated circuit on the substrate surface opposite to light emitting elements reduces area while enhancing connection stability.

Capacitive shunt detection eliminates standby drain by merging measurement functions into a single sensing pin.

Adaptive open loop LED driving circuit adjusts turn-off period via resistive network to maintain constant average current.

Control circuit detects transformer current amplitude and switches operating modes to prevent oscillation fading during low power LED operation.

A physiological monitor adjusts light drive current limits based on real-time signal quality metrics to optimize power usage.

Alternating pixel circuit driving modes offset manufacturing-induced current errors, resolving non-uniformity without increasing device complexity.

Carbon dots form the active emissive layer in electroluminescent devices to deliver tunable color and white-light output.

Neat phosphorescent films block electrons and excitons to prevent efficiency roll-off at high brightness.

A semiconductor device uses a quantum well structure to generate incoherent radiation by absorbing first wavelength light.

Patterned inorganic films create outgassing routes that release trapped gas from organic layers, preventing diode deterioration and shrinkage.

Cross-shaped protrusions on LCD substrates prevent sealant adhesion at corners, allowing precise cutting of ultra-narrow bezels without cracking or peeling.

Polymerizable ionic compounds form insoluble layers via wet processes, preventing lower layer dissolution and enabling multi-layered organic EL elements.

A nanocrystal mixture uses polymer composites to isolate semiconductor particles and enhance luminescence efficiency in white LEDs.

Oxygen plasma patterning eliminates photoresist residue and wettability layers, lowering driving voltage while ensuring uniform film thickness.

A ceramic layer compensates for thermal expansion differences between unencapsulated LEDs and silicon components in a single integrated circuit package.