OLED Parameters TRIZ Cases

A phosphorescent organic electroluminescent element uses segmented hole transport layers to optimize energy transfer and charge injection.

Higher work function conductive portions prevent silver ion deposition on metal wires, ensuring flat OLED panel surfaces.

A thin film transistor array panel uses overlapping double-layer metal blocks to form source and drain electrodes with reduced electrical resistance.

Dual organic capping layers with distinct thicknesses and refractive indices selectively reflect light to enhance emission efficiency.

An intermediary cover layer absorbs printing stress to prevent cathode damage, enabling thinner buffers and higher luminance.

Calculating inorganic film diameter from organic thickness prevents moisture ingress while minimizing dead space.

Multi-layer encapsulation with controlled Young's modulus and water vapor transmittance rate prevents delamination and extends device lifespan.

A light-emitting layer uses two emitter compounds with specific energy levels to recycle triplet states efficiently.

LiF:Yb composite layers reduce cathode resistance and voltage drops while enhancing emission efficiency in organic light emitting displays.

A first light compensation layer with a lower refractive index sits between the light emitting layer and second electrode.

Aligning transition dipoles in the light-emitting layer overcomes low light extraction efficiency limits.

Segmenting blue emission into light and deep blue devices reduces power consumption while extending display lifetime.

An intermediate viscosity buffer layer between dam and fill structures prevents bubbles and glue flushing in OLED displays.

An auxiliary buffer layer with intermediate thermal expansion reduces stress from sealant shrinkage, preventing second mother board deformation.

High Stokes shift phosphors minimize triplet-triplet annihilation, maintaining efficiency at high brightness.

An elliptic arc lens structure minimizes reflection losses in the long axis direction, increasing light extraction by 41 percent.

Tuning upper and lower module stiffness ratios positions the neutral bending plane below the OLED, maintaining compressive strain during folding.

Segmented phosphorescent layers in the organic electroluminescence element improve chromaticity stability and reduce dark spots.

A light-emitting element uses a composite material with minimized charge-transfer interaction to enhance hole injection efficiency.

A first electrode forms a metal oxide layer through oxidation of a carrier-injection metal alloy to inject holes directly into the functional layer.

An organic electroluminescent device uses an electron injection layer with a high dipole moment matrix compound to facilitate efficient electron movement from the cathode.

Controlling upper electrode surface profile skewness between -0.5 and 0.7 prevents oxygen and material intrusion into the organic functional layer.

Alternating silicon oxide and silicon nitride layers reduce water vapor transmission while maintaining adhesive strength to prevent peeling.

Segmented encapsulation with grooves distributes bending stress to prevent cracking and maintain moisture barriers.

A light-emitting component uses an intermediary layer with a refractive index lower than the cover glass to boost optical transparency.

Mixed solvents with similar boiling points neutralize edge-thickening and center-dominant flow patterns to achieve planar functional layers.

Combining a sterically shielded fluorescent compound with a TADF material achieves efficient emission across all colors while improving device lifetime.

A high refractive index glass composition matches substrate and ITO film indices to improve light extraction efficiency.

An anti-reflective layer on an OLED cathode uses destructive interference to reduce external light reflection.

Segmented bulk heterojunction charge generation layers in tandem organic light-emitting diodes boost carrier injection efficiency.

Bank layer with spatially varying resistance manages organic electroluminescent material spread across pixel electrodes.

A high-boiling-point solvent with controlled viscosity and surface tension forms a uniform organic light emitting element function layer.

Segmented hole-transporting layers with distinct excited state energies prevent phosphorescence quenching to enhance external quantum efficiency.

Exciplex host material converts triplet excitons to singlet states, enabling high efficiency without expensive phosphors.

Relative permittivity between 2 and 10 in the electron transport layer reduces degradation influence during cathode formation, improving device performance.

Match anode and cathode sheet resistances to achieve uniform potential distribution, resolving luminance non-uniformity caused by resistive losses.

A display panel controls green and blue energy ratios to maintain precise chromaticity coordinates within defined CIE 1931 boundaries.

An OEL display apparatus pairs an organic electroluminescence device with a color filter to adjust light emitting spectra for specific correlated color temperatures.

A white organic light emitting device uses a hole transport layer with a triplet energy level higher than the fluorescent light emitting layer.

An opaque metal encapsulant layer with a lower thermal expansion coefficient reduces heat-induced deformation during sealant curing.

Encapsulation film integrates thermal conductive fillers into a protective layer to manage device temperature and block moisture ingress.

Metal foil seals organic light emitting diodes on glass substrates, preventing panel bending during thermal manufacturing.

Optimizing host and dopant reorganization energies minimizes non-radiative deactivation, reducing dark spots while improving luminous efficiency and durability.

Optimized frit optical density increases effective seal width, blocking moisture and improving reliability.

High-resistivity pixel definition layers minimize voltage changes in the cathode layer during sudden voltage shifts, reducing crosstalk.

A second hole transport layer with high electron mobility resonates with emission light wavelength in an organic light-emitting device.

A light emitting layer uses a host and assist dopant with distinct electron and hole mobilities to balance carrier transport.

Optical distance configuration between emission layers and reflective electrode enhances emission efficiency in organic light-emitting elements.

Optimizing carrier density between 10^12 and 10^19 per cubic centimeter resolves the trade-off between low drive voltage and high light emittance efficiency.

Host material with charge-transfer transitions utilizes triplet excitons via thermal activation to achieve high efficiency without noble metals.