Electroluminescent Light Sources TRIZ Cases

A filler layer with yellow phosphor particles converts blue light to generate stable white emission in organic light emitting diode devices.

Aromatic valerolactam derivatives function as matrix materials in organic electroluminescent devices to enhance charge transport properties.

Laser-treated optical modification layers on OLED electrodes minimize ambient light reflection, boosting contrast without polarization plates.

A photo diode with P-type, intrinsic, and N-type semiconductor layers detects external light to regulate drive voltage.

A quantum confined semiconductor nanoparticle optical component converts blue light to predetermined wavelengths in solid state lighting devices.

A switch control circuit synchronizes parallel LED switches via an inductor loop to maintain stable current flow.

A strontium-based phosphor composition emits blue-green light while maintaining high quantum efficiency across varying temperatures.

Dynamic current regulation using individual temperature sensors equalizes aging rates in automotive OLED luminaires, extending system lifetime.

A source-controlled power switch generates supply voltage using parasitic capacitance to eliminate external components.

Glass-based light scattering layer with tilted side surfaces enables continuous transparent electrode coverage on organic LED elements.

Replacing resin with a patterned ceramic plate eliminates discoloration and improves temperature reliability in high-power LED packages.

A mixed charge injection layer allows fast sputtered electrode deposition while maintaining luminescent efficiency by preventing interface damage.

Capacitive current control circuit compensates for AC voltage fluctuations to maintain uniform illumination and improve power factor.

Segmenting the polymer structure resolves the trade-off between charge mobility and excited state energy, enabling efficient phosphorescent emission.

Crosslinking surface ligands creates a polymeric outer layer that prevents detachment and maintains quantum yield under extreme heat.

Sealing substrate with carbon composite and hygroscopic filler protects organic light emitting diode displays from moisture ingress.

A bent organic electroluminescent display adjusts optical path lengths between reflective layers to enhance specific wavelengths.

An electromagnetic generator converts wide voltage inputs into induction to drive a switch, isolating external noise and enabling accurate polarity detection.

An inverted organic light emitting diode uses an n-type doped electron transport layer to facilitate efficient electron injection from a transparent cathode.

An adhesive reinforcement layer prevents pixel definition chipping by enhancing adhesion stability, ensuring reliable charge movement.

Extending an electrode layer beyond the organic layer creates an exposed taking-out portion, simplifying manufacturing efficiency for roll-to-roll processes.

A SIMO converter manages current conduction through multiple output channels using a dedicated controller.

Segmenting the inorganic insulating layer with openings relieves thermal stress and prevents cracks that cause dark spots in organic EL elements.

Prearranged optical elements on a support film enable heat and vacuum lamination to bond wavelength conversion components directly to light emitting devices.

Combining 2,6-diaminoanthracene dopants with benz[a]anthracenylanthracene matrices in organic electroluminescent devices.

A switching power converter adjusts its frequency to regulate average current and stabilize LED operation.

Segmented light-emitting apparatus adjusts chromaticity via selective drive current to individual LED sets sealed in varying resin thicknesses.

A photonic crystal phosphor light conversion structure integrates dielectric nanostructures into a solid phosphor layer to enhance light extraction efficiency.

A second converter limits its power draw using a microcontroller that receives load index data from a first series converter.

A series inductor limits initial current flow through an organic light emitting diode arrangement to prevent damage from high inrush currents during switch-on.

Infrared curing of an inorganic frit seal creates a hermetic barrier between OLED substrates while preventing power supply line damage.

Topographical features disrupt waveguiding in thin-film LEDs to redirect trapped light, resolving angular dependency issues while maintaining color consistency.

Switching a dummy load at zero-crossings stabilizes dimmers with low-current LEDs by mitigating flicker and resonant frequencies.

Aluminum substitution and interstitial cations stabilize nitride phosphors against humidity degradation while maintaining red emission intensity.

A boost converter uses variable switching frequencies to increase output voltage rising rate during startup.

A hydrogen blocking layer stabilizes oxide semiconductor thin film transistors.

Masked deposition of inorganic and organic materials creates a lateral barrier that blocks oxygen and moisture diffusion at OLED edges.

Nested sealing walls position desiccant near the display unit to prevent light emission blockage.

Aggregated acknowledgment mechanism eliminates popcorn effects and control delays in wireless lighting groups by enabling simultaneous scene activation.

A quantum dot light-emitting device uses an inorganic electron transport layer to inject electrons into the emissive layer.

A semiconductor light emitting device uses a separately fabricated inorganic wavelength converting element bonded to the die.

Decouples load capacitor effects from the inner current control loop to stabilize switching regulator operation.

Segmenting the planarizing layer into two distinct thicknesses resolves the contradiction between step coverage and reliable pad compression.

Emergency management node uses dynamic power allocation to maintain continuous lighting during bus power loss.

A light-emitting device uses phosphorescent afterglow to bridge non-light periods in blue LED groups, stabilizing output across AC voltage cycles.

Segmented hole-transport layers with tailored HOMO levels reduce driving voltage and suppress temperature dependence in organic electroluminescence devices.

A heterocyclic compound enhances electron mobility and thermal stability in organic photoelectric devices.

Orienting the slow axis of a liquid crystal phase difference film at 75 to 105 degrees reduces reflectivity while maintaining bending resistance.

Using substrate trays as masks eliminates metal mask transport and cleaning steps, reducing process time in organic electroluminescent device fabrication.

A light radiating device with a transmissive light modifier defines an exposure region on a substrate to couple substrates via laser heating.