Electroluminescent Light Sources TRIZ Cases

A detection circuit monitors secondary currents in an LLC resonant converter to adjust half-bridge switch timing for balanced output.

Reflective layers redirect ambient light onto segmented photodiodes, compensating for organic material aging and maintaining uniform display luminance.

A xanthone derivative with high triplet energy confines excitons in the emission layer to enhance phosphorescence output.

Composite pixel electrode layers prevent silver peeling on insulating films, maintaining reflectance and yield.

A semiconductor device structure positions a conductive layer end inside a contact hole to reduce surface irregularities.

Auxiliary winding powers the driver and controller during light-off intervals, preventing communication failures in wireless LED systems.

An LED array package connects chips in series under a lens to eliminate reflective cups, reducing optical losses while maintaining high luminous flux.

A light-emitting transistor uses an ion-gel gate to tune the optical bandgap of a two-dimensional semiconductor via the giant Stark effect.

A nanostructure semiconductor light-emitting device combines multiple wavelength groups to produce white light.

A lighting system transmits electrical power wirelessly via induction and radio frequency to portable luminaires.

Simultaneous coating of organic electroluminescent layers using immiscible solvents prevents material mixing, eliminating complex vacuum deposition processes.

A boost converter forms a weighted average of main switch and LED string currents to control duty ratio.

An oxide break-through layer isolates adjacent OLEDs at normal voltage and triggers avalanche breakdown to restore current flow when a single component fails.

Wireless LED lighting devices integrate energy storage to shift power usage from external grids during peak demand periods.

A 6-5-6 fused membered ring structure suppresses triplet-triplet annihilation and excimer formation, reducing efficiency roll-off in green to orange OLEDs.

A zinc compound quantum rod with a ZnS shell emits short wavelength light through controlled core diameter.

Matching the refractive index of the color conversion layer to the barrier layer eliminates low-index fillers, reducing optical loss and manufacturing costs.

A projector sensor detects diffracted light from pixel arrays to measure modulated beam intensity without obstructing the main optical path.

Electrically conductive zinc oxide film emits infrared light upon Joule heating while a back reflector redirects photons through the layer.

A circuit controller calculates input impedance and adjusts current delivery to maintain stable operation.

A display control circuit switches between triangular and rectangular drive waveforms to optimize illumination timing for different content types.

Heavy atom compound blocks metallic ion diffusion to prevent luminance deterioration during high temperature storage.