Electroluminescent Light Sources TRIZ Cases

Indolocarbazole skeleton-based compound serves as a host material in organic electroluminescent devices to enhance charge balance and luminous efficiency.

A light-emitting element integrates hole and electron transport layers with specific organic compounds to manage carrier balance.

Segmented electron transport layers with distinct mobility profiles prevent premature hole-electron collisions, extending device service life by 110 hours.

Segmented OLED electrode structure confines magnesium to an electron injection layer.

Cleaves glass on a stretchable sheet and separates pieces by stretching the sheet, preventing scratches from sliding surfaces.

Sharing a single hole transport layer across all subpixels reduces structural complexity and manufacturing steps without sacrificing luminous efficiency.

A drive control section supplies a sawtooth pulse waveform power signal to semiconductor light source elements by time division.

Segmented light-emitting layers with physical banks prevent color mixing in organic EL displays, eliminating energy loss from color filters.

A flexible organic light emitting device substrate forms on a glass mother substrate and separates cleanly for wearable applications.

Segmented device structures with osmocene electron blocking layers extend the recombination zone to improve luminous efficiency and device lifetime.

An adaptive threshold voltage source compensates for transistor and resistor fluctuations, maintaining stable constant current operation in LED power supplies.

A hybrid OLED architecture pairs a fluorescent blue layer with phosphorescent emitters to boost external quantum efficiency.

A LED lighting apparatus reconfigures light source groups between series and parallel connections to manage varying rectified voltage levels.

Integrated controller detects input duration to manage light sources, resolving complexity in smart lighting systems.

Convex pillar-mounted auxiliary electrodes equalize voltage drops to prevent central brightness unevenness in large organic EL displays.

A bottom-gate switching thin film transistor with a light-shielding layer and multilayer storage capacitor.

A control device superimposes light communication signals on recognizable LED lighting patterns to enable data transmission during both on and off states.

A sealing substrate with convex portions concentrates pressure on a heat conducting member to reduce its film thickness.

A passive peaking circuit uses a step-down impedance transformer to widen optical eye opening without active components or added power consumption.

Smart lighting translates electronic device operational data into color and brightness cues for intuitive monitoring.

A vehicle lighting controller uses a switch to bypass a resistance element during steady state operation.

Merging rectifier into main power supply eliminates AC-to-DC converter, reducing system complexity and cost.

Dynamic ramping slope adjustment optimizes PWM duty cycle calculation, enabling high efficiency and low total harmonic distortion for LED lighting applications.

A film formation substrate uses vapor-deposited films with inclined side surfaces to cover deposition regions and prevent film absence.

A light emitting device merges source and drain electrodes into a single mask step to simplify layer formation.

Europium-activated green phosphors improve color rendering while lowering manufacturing costs compared to cerium-based alternatives.

A phosphorescent dopant in an OLED light emitting layer manages triplet excitons to extend device service life.

An inkjet printhead ejects solvent around organic light-emitting ink to maintain uniform concentration during drying.

Plasma treatment removes fluorine groups from pixel electrodes, reducing interfacial resistance while maintaining hydrophobicity on the pixel-defining layer.

An OLED panel integrates sensing diodes with a light waveguide to detect touch positions through frustrated total internal reflection.

A LED converter transmits digital information to a control unit by applying voltage signals on power supply lines during AC interruptions.

A control system limits voltage across an electrical load using a signaling indicator and clipping device to manage power states.

A hybrid organic electroluminescence display structure combines wet coating with vacuum deposition to form uniform functional layers.

Nano-sized desiccant particles in transparent sealant absorb water vapor while maintaining high light transmittance for front emission displays.

A photosensitive composition forms a flexible cured film using epoxy compounds and resins with long-chain alkyl groups.

An assembly combines an LED light source with a distance measuring radio to determine its own position using neighboring anchors.

A rechargeable battery and current-fed inverter power LED arrays through high and low DC voltages.

An auxiliary driver adjusts light emitting device brightness via control signal swapping, increasing illumination intensity without adding drivers.

A multi-phase power supply uses a controller to selectively enable and disable DC/DC converters.

A voltage checker switches an emergency lamp between main and battery drivers, resolving complex line differentiation issues.

A power pedestal uses a relay to illuminate an indicator upon detecting ground faults.

Cumyl-substituted organometallic ligands enable efficient metal-ligand charge transfer in organic light-emitting devices.

Commissioning device writes GPS coordinates to NFC tags inside light fixtures for automated location mapping.

Conductive bridges on the cover lid inner side connect series OLED layer stacks, eliminating lamination damage and moisture ingress.

Multi-tone masks reduce photolithography steps and costs while maintaining pattern precision in oxide semiconductor thin film transistor manufacturing.

Simultaneous formation of metal interconnections and gate electrodes in OLED fabrication reduces mask count.

A flexible OLED device replaces glass encapsulation with a polymer resin layer and a getter to absorb moisture.

An indolocarbazole compound blocks electron and exciton leakage between the hole-transporting and light-emitting layers in organic electroluminescent devices.

Segmenting the working current range into multiple partial ranges maintains high manufacturing precision at low currents without increasing device size.

Segmented chiplets eliminate thin film transistor threshold voltage variability to improve luminance uniformity.