Electroluminescent Light Sources TRIZ Cases

Specific repeating units in the polymer enhance charge transport, resolving the trade-off between manufacturing ease and emission efficiency.

An LED driving arrangement couples an inductance element and a parasitic capacitance discharge path in series to limit current spikes.

A depletion mode transistor generates an initial voltage to enable a controller during the start-up phase of a power converter.

Tag-driven lighting nodes execute local policies to maintain autonomous operation, resolving reliability drops during communication loss.

Forming a preform with specific chromaticity differences and irradiating regions to create organic electroluminescent elements.

A LED driving system uses shared energy storage and controlled output switches to supply distinct voltages for multiple LED arrays.

LED illumination device modulates light color based on digital data while maintaining constant luminous flux for efficient signal transmission.

Integrating WiFi and Zigbee modules into one primary LED device eliminates the home gateway, reducing system complexity while maintaining remote connectivity.

A driving circuit for light emitting elements uses switches to select between battery and boosted voltages.

Spatially varying backscattering strength corrects positional color variations, enabling thinner converters without compromising conversion performance.

A switching mode converter uses a single transformer to provide multiple constant current and voltage outputs.

Novel aromatic polymer featuring fused ring structures and π-conjugated systems for enhanced charge transfer.

Selecting LED dice and phosphors with reproducible spectral changes maintains color accuracy across operating conditions.

Dynamic hysteresis boundaries filter low-frequency noise in LED drivers, eliminating flickering at low dimming currents.

Metal catalyst diffusion creates a seed region that spreads uniform grain size to resolve irregular boundary distribution in thin film transistors.

Non-uniform frit sealant width reduces maximum principal stress on OLED displays, improving impact resistance while preserving pixel area.

Asymmetric bridge rectifiers in an AC-driven LED ladder circuit manage reverse voltage exposure while reducing component count.

Extended charge transfer methods maintain precise current control and prevent flicker at deep dimming levels by utilizing supplemental switching cycles.

Dual-stage flyback converter with secondary bucking circuit maintains constant output current for LED modules.

Optimized aluminum, oxygen, and europium concentrations in a beta-sialon phosphor resolve insufficient luminance by improving internal quantum efficiency.

An integrated controller manages LED power and signals through dual-purpose connectors to enable camera assist functions.

A sealed body uses a metal layer to control laser energy during glass frit sealing.

Varying pixel definition layer heights guide organic material deposition to improve color reproducibility while simplifying manufacturing complexity.

UV-treated silane deformed layers allow flexible display substrate separation without damaging thin film transistors during high temperature processing.

A voltage output circuit selects optimal power signals via transistor switching to maintain continuous system operation.

Feedback control regulates voltage spikes from the multiplier, extending light source lifespan while maintaining electrical efficiency.

A discontinuous insulating layer in an OLED structure redirects light through the substrate to enhance brightness.

Sub-banks divide groove regions to ensure uniform functional layer thickness, preventing current density spikes and degradation in blue light emitting elements.

A solid state lamp driver circuit detects input power frequency to switch between linear and switching regulation modes.

A display device manufacturing method measures initial and final brightness to calculate a deterioration rate for quality control.

A resin film layer with magnetic metal powder enables strong substrate attraction without a holding member.

Block copolymer with distinct aromatic blocks optimizes charge transport and light emission properties, resolving performance limitations in random copolymers.

A discharge unit connected to the feedback terminal of a DC power supply provides a safe path for output current during shutdown.

A light emitting device uses a triple phosphor fluorescent member to produce green, yellow, and red light from a blue LED source.

Segmenting the sealing structure into layers with graded phosphor concentrations resolves color shade variation across viewing angles.

A SIMO converter controller manages current conduction through multiple output channels using dynamic sequencing schemes.

Nonorganic layer under thin film encapsulation prevents moisture and oxygen intrusion at the edge, protecting OLEDs from deterioration.

An integrated light-emitting diode chip uses a shared common electrode to connect multiple transistors and emission units within a single substrate structure.

Segmenting the second electrode into transparent and reflective regions resolves brightness unevenness while maintaining high external quantum efficiency.

Circuit detects LED malfunctions via voltage-dependent elements to trigger active switches, eliminating complex control logic and auxiliary voltage sources.

Shadow mask patterning avoids etching chemicals that oxidize silver, preventing metal oxide formation and electrode delamination.

A Zn1-xMxO electron auxiliary layer adjusts electron mobility to resolve hole-electron imbalance and enhance luminous efficiency.

Applying ionic polymer ink creates the electron injection layer at atmospheric pressure, removing vacuum equipment requirements for organic EL manufacturing.

A current compensation circuit charges a capacitive element to offset switching delays in LED drivers.

A bank with an inclined portion reflects energy rays to decrease liquid repellency and ensure uniform functional layer thickness.

A protection member shields the common voltage line side wall during OLED manufacturing.

An adaptive compensation filter removes inter-symbol interference from feedback signals to maintain stable illumination and accurate data transmission.

Visual light communication automates luminaire mapping, eliminating manual address assignment and reducing commissioning time.

Substituted benzodithiophene polymers reduce operating voltage and extend device lifetime by optimizing charge transport properties.