Electroluminescent Light Sources TRIZ Cases

A translucent pixel electrode and rear electrode form an integrated capacitor within the light-emitting area of an organic light-emitting display.

A single-stage LED driver integrates rectification and DC-to-DC conversion using synchronous switch control for stable current output.

Segmented receiver and transfer coils transmit power over long distances without sparks, enabling safe LED operation in hazardous environments.

Half-etched open masks lift the substrate edge to stop gate line damage from mask contact, ensuring reliable thin film patterning.

A low-reflection layer coats a corrugated light absorbing unit to diffuse incident light, resolving external reflection that reduces photopic contrast.

Magnetic field replaces rubbing treatment to eliminate static contamination while ensuring sufficient orientation-regulation force.

A reverse-tapered second barrier wall uses low temperature viscosity transition inorganic material to form a strong sealing structure.

A light-outcoupling structure with an uneven substrate matrix reduces total reflection losses in organic electroluminescence elements.

A flexible carrier with a retaining element transports odd-sized phosphor sections through sheet-fed scanners without requiring separate flatbed equipment.

Bootstrap circuit boosts gate voltage to ensure reliable MOS transistor turn-on, eliminating high-voltage power supply needs.

Varying atomic ratios across distinct source, drain, and channel regions stabilizes normally-off switching behavior against oxygen diffusion-induced n-type transformation during manufacturing.

A light emitting element positions a resonator output spectrum peak wavelength between an inner emission maximum and a relative luminous efficiency maximum.

A switching unit reconfigures LED groups between series and parallel states to maintain continuous current flow.

Multicast messages compress light settings via predetermined functions to reduce bandwidth consumption while maintaining individual luminaire control.

Graded indium gallium zinc oxynitride buffers lower electrode contact resistance, minimizing display unevenness in large-area thin film transistors.

Dual overvoltage detection units use external and internal resistors to divide power supply output voltages for semiconductor protection.

Segmented hyperbranched polymers enable solution processing, resolving the trade-off between vacuum deposition costs and polymer performance limitations.

A boosting unit and rectifier condition power while an inrush current breaker blocks initial surges, extending device lifespan.

A wireless control circuit enables autonomous power source selection in LED lighting devices without wired connections.

Spherical phosphor particles in a thermoplastic resin minimize metal impurity content by preventing abrasion during mixing.

Segmenting blue wavelengths into independent sets maintains color temperature on the black body locus during dimming without complex controllers.

A light emitting element failure detector measures anode-cathode voltage during current interruption to identify short circuits.

Segmented pixel modules with flexible shells withstand environmental stress while reducing enclosure complexity.

A signal processing circuit counts PWM pulses to generate a higher frequency output.

Laser curing a patterned frit paste creates a hermetic seal, resolving the contradiction between moisture protection and complex glass firing processes.

An auxiliary capacitor connects between an organic light emitting element and a power supply line to lower the potential during mobility correction.

Nitrogen-containing layer enables single-layer silver growth, resolving conductivity and light transmissibility trade-offs in transparent electrodes.

Classifying nozzles by discharge distribution eliminates complex drive circuits while ensuring uniform film thickness through passive surface tension.

A high-oxidation metal layer reacts with native oxides on OLED electrodes to improve charge injection efficiency.

A color filter uses a transparent layer over the second organic EL element to transmit light through the sealing layer.

Switchable constant current sources dynamically activate LED arrays based on AC voltage levels to reduce light off-time at zero crossing.

A protection circuit uses transistor switching to manage LED power supply current flow.

A control circuit operating in peak-value current mode adjusts maximum on-time to maintain constant output current without external compensation.

Controlling the P2/P1 ratio and europium concentration in beta-sialon phosphors increases fluorescence peak intensity to improve LED brightness.

Buffer and stabilizing filters prevent flickering from non-resistive loads by isolating distorted voltages.

Tuning gold complex ligands enables phosphorescence across ultraviolet to near-infrared wavelengths.

Segmented light sources enable super-resolution imaging below the diffraction limit without complex nonlinear optical components.

Switching between capacitor modules shares operational time and reduces electrolyte evaporation.

A power supply circuit for organic EL lighting devices gradually increases voltage to stabilize light output.

Automatic battery type detection prevents temperature increases and extends lifespan by adapting charging algorithms to specific chemistries.

An inclined first electrode redirects light emission to minimize reflection losses and reduce viewing-angle-dependent color shift.

Unipolar charge carrier barrier layers prevent space-charge regions and ion diffusion, extending service life during alternating current operation.

A ferromagnetic collecting member in a transparent area gathers contaminants via magnetic fields during deposition.

A shunt protection module reduces operational voltage across semiconductors using a control unit that monitors adjacent device potential differences.

Segmented transparent cathodes reduce voltage drops to improve luminance uniformity without compromising the aperture ratio of sub-pixels.

A dual switcher flyback converter uses segmented transformer windings to regulate output voltage across varying input levels.

Segmented thyristors with openings reduce light absorption while driving light-emitting diodes for higher efficiency.

A high LUMO electron control layer partially blocks electrons to fix charge balance, boosting quantum efficiency in QD LEDs.

An LED driver powers its control circuit using an auxiliary switch to charge a capacitor from the DC bus voltage.

A light absorption layer selectively absorbs 570 to 610 nm wavelengths between InP quantum dot layers.