Electroluminescent Light Sources TRIZ Cases

Controlling the molecular weight distribution of a charge transport polymer prevents lower layer dissolution during wet processing multilayer formation.

A startup control circuit generates voltage using a capacitor and charge switch element to power the control unit.

Uneven flattening edges guide resin flow to cover frame banks, preventing moisture infiltration and ensuring reliable sealing coverage.

A unified mask deposits organic material and metal electrodes sequentially to simplify vapor deposition equipment.

Selective laser annealing of stacked emissive layers with specific glass transition temperatures achieves high resolution without complex masks.

A dual-layer sealing member combines a filler-rich first sealant with a filler-free second sealant to bond OLED substrates.

Combining RGB and RGBW algorithms via a correction factor maintains constant high CRI values above 90% across the entire color temperature spectrum.

Squeeze-printed phosphor on a shared substrate strip reduces manufacturing costs and performance variations while preventing substrate deformation.

An organic optoelectronic component integrates a light detecting element on the same substrate as the emitter to generate a control signal.

A common hole transport layer captures vapor deposition residuals, extending mask washing cycles while maintaining high-resolution display quality.

An adaptive load circuit mimics high power consumption using periodic dummy loads to support low current LED lamps.

A multi-channel LED driver uses negative current sensing to protect against output short circuits.

A resonant LED driver circuit generates constant load current using transformer leakage inductance and a rectifier buffer.

Segmented safety modules with lower-rated fuses interrupt DC current from failed diodes, preventing EM ballast overheating.

Varying distances between light emitting devices compensate for power differences, resolving uneven emission issues in lighting modules.

An organic-inorganic hybrid polymer shield layer prevents sulfurous component reactions to maintain LED luminance and efficiency.

A stabilizing resistor in the current path reduces output ripple in flyback LED drivers.

Transition metal-carbene compounds reduce driving voltage and inhibit dark spot formation in organic electroluminescent devices.

Power sourcing equipment supplies distinct voltage levels to trigger powered device emergency modes.

A quantum dot emission layer uses an external light source to excite nanocrystals for photoluminescent output.

Distinct phosphor viscosities define independent color zones, shrinking the mounting substrate while maintaining high color mixing properties.

A light-emitting element uses distinct hole-transporting layers with varying HOMO levels to control carrier transport.

A digital controller adjusts PWM duty cycles based on measured voltages to maintain stable illumination without manual programming.

An ultraviolet light-emitting element eliminates high-resistance p-type layers by using electron collision with a multi-quantum well structure in a vacuum.

An organic electroluminescent device uses specific host compounds with carbazolyl and diarylamino groups to enhance phosphorescence emission.

A photo sensor uses a dark diode to subtract temperature-induced currents from light signals.

Feedback controls pulse amplitude and width to compensate for thermal variations and speed jitter in spinning phosphor wheels.

Thermoelectric modules on the primary and secondary circuits harvest waste heat from voltage transformers, reducing power consumption.

Alternating flip chip and chip scale package LEDs with a phosphor encapsulant improve thermal conductivity by removing fragile wire bonds.

Optimized particle size and concentration prevent sedimentation, ensuring uniform light emission and high manufacturing yield.

An LED module integrates a controllable switching means to manage current flow and suppress residual glow without external components.

A luminaire device uses a light directing structure with reflective surfaces to concentrate output from multiple organic light emitting diodes.

Dual-contact adhesion between a passivation film and metal components prevents peeling-off defects that cause moisture penetration and short circuits.

A display apparatus uses varying optical distances between light-emitting layers and reflective electrodes to optimize light extraction for subpixels.

A resonant LED driver adjusts switching frequency to match circuit resonance, boosting voltage across the secondary winding.

Parallel capacitors supply current to the controller during zero voltage periods, preventing reset and ensuring consistent lighting patterns.

An organic buffer layer interposed between inorganic films maintains sealing capability over insular non-display areas.

A light-shielding pattern layer on the package substrate blocks laser irradiation during frit sealant welding.

Segmented auxiliary electrodes resolve voltage drops across cathodes by generating localized heat to remove adjacent organic layers.

A switching regulator uses time-varying digital inputs to correct low-resolution DAC errors.

Rear-mounted vibration apparatuses drive display panels with piezoelectric composites to overcome fragility and thickness limits while delivering stereo sound.

Adjacent light-emitting layers with specific blocking layers prevent dopant deactivation while reducing drive voltage and improving luminous efficacy.

A phosphorescent organic electroluminescent element uses a specific guest-host material pair to produce high-efficiency light emission.

An igniter circuit detects excessive current through a load switch and disables the DC power source to prevent semiconductor damage.

A mobile device generates color control signals with zone assignment data to broadcast synchronized lighting effects across remote locations.

Flexible suspension portions conform the mask to substrate irregularities, eliminating minute gaps between the mask and substrate during film formation.

Laser irradiation forms a high-resistance mixed layer to fix anode-cathode shorts without damaging surrounding organic layers.

Segmented switching regulators with adaptive voltage circuits compensate for forward voltage variations, preventing dimming in LED arrays.

A third insulating layer with higher dielectric constant separates overlapping wires to reduce parasitic capacitance and RC delays.