Electroluminescent Light Sources TRIZ Cases

A control circuit with frequency compensation adjusts oscillator signals to manage current flow in open-loop systems.

A modular display system uses a reversible support portion to expand viewing surfaces while maintaining device portability.

A laminate barrier layer with intermediate refractive index embeds the recess structure of an organic light emitting element.

A flexible organic electroluminescent device uses a double sealing structure with an intermediate moisture absorbent layer to capture intruding water vapor.

A current limiting circuit adjusts the upper limit current value in response to voltage fluctuations at the bridge rectifier output.

A triazine ring-containing polymer compound forms the light-emitting layer between anode and cathode to enhance carrier transport properties.

A control unit adapts the detection threshold based on output voltage to resolve fixed comparator errors and improve zero crossing accuracy.

A switched-mode power supply switches regulation from sourcing to sinking current in response to load changes.

A laser irradiation apparatus removes organic layers from auxiliary electrodes using a beam passed through a transparent window.

A common blue light-emitting layer reduces mask count and misalignment errors in organic light-emitting device production.

A multi-output power converter system sequences energy delivery to stabilize secondary outputs during start-up.

A light-emitting device combines a blue semiconductor element and a red LED to shape the spectral power distribution.

Grooves with light shielding layers prevent light entry into adjacent elements, maintaining chromaticity while reducing structural complexity.

A diffusion prevention film on the electrode boundary face ensures reliable electrical connection between the luminescence unit and thin film transistor array.

Orange phosphor with broad emission spectrum and controlled absorptance ratio minimizes mutual light absorption to improve color rendering index values.

A multi-tone mask integrates gate electrode and semiconductor layer patterning into a single photolithography step.

Alternating current polarity switches between two LEDs to blend white light, reducing device complexity and cost compared to multi-LED arrays.

A control chip uses a multi-function pin to receive dimming and feedback signals, generating PWM output based on signal duty ratio.

Annealing and curing the planarization layer reduces surface roughness, preventing scattered reflection that degrades reflectivity and color coordinates.

Digital hysteresis control balances output current periods using dynamic switching delays to stabilize LED loads.

Segmenting LED dice into groups with varying phosphor amounts compensates for manufacturing variations, ensuring strict color specification compliance.

Separating light-emitting elements and driver circuits onto distinct substrates enables independent processing steps.

A top emission organic EL device uses optimized optical distances to achieve constructive interference for blue and red/green light emissions.

Slits in insulating films allow flattening layers to fill gaps, enabling island conductors to bridge wiring lines and prevent breakage during bending.

Manufacturing methods adjust LED emission spectra to match target reflection spectra, resolving discontinuous spectrum issues in pseudo white LEDs.

A smart lighting control device manages module enablement to reduce standby power consumption.

A passivation layer adjacent to the first electrode reacts at elevated temperatures to form a passive oxide.

A quantum dot electroluminescent device uses asymmetric organic ligand distributions on the light-emitting layer surfaces to improve carrier injection efficiency.

A gateway module merges multiple lighting sub-systems via dual personal area networks, reducing installation complexity and hardware costs.

Polarity inversion in the chuck ensures uniform flatness, preventing damage during large device fabrication.

An organic light emitting device utilizes an emitting layer with specific triplet energy levels to enhance emission efficiency.

Composite polycyclic aromatic dopants linked by boron, nitrogen, or oxygen resolve the contradiction between high quantum efficiency and device complexity.

Segmented LED strings adjust drive currents to fill spectral gaps, delivering high fidelity and gamut indices across 1800K to 10000K.

Segmented LED chips on common isotherms adjust correlated color temperature to resolve adaptability versus complexity trade-offs.

Multiple independent light-emitting regions deliver distinct melanopic ratios without varying correlated color temperature or color rendering index values.

A dual-layer blue pixel combines phosphorescent and fluorescent materials to generate triplet and singlet excitons for efficient light emission.

A detachment film removes photoresist and organic material patterns from an OLED substrate without leaving residual films.

Structured electrodes reduce conductivity at dividing lines to control segment brightness without separate supply lines.

A patterned polarizing layer with variable polarization degrees transmits light from electroluminescent elements.

An auxiliary electrode oxidized to form an insulating oxide layer ensures uniform luminance across the light-emitting device.

A graphene sheet transparent electrode delivers high conductivity and flexibility, replacing brittle ITO layers in flexible displays.

Silane coupling agents coat phosphor particles to prevent luminance deterioration under high-temperature and high-humidity conditions.

Sol-gel coating fills diffraction grating grooves on glass substrates to create uniform optical layers for organic electroluminescent devices.

Dummy light emission stabilizes LED temperature and heat generation, ensuring consistent line widths despite pauses between processing cycles.

Partition walls with scattering materials reduce light loss and color mixing, improving illumination intensity in displays.

Adjusting the light source emission spectrum reduces red light leak through the green filter, improving color purity and chromaticity coordinates.

A buck-boost converter uses segmented transistor fingers and an activation controller to dynamically adjust active components based on load current.