Electroluminescent Light Sources TRIZ Cases

Optimizing the energy gap difference between singlet and triplet states in the host material reduces drive voltage while maintaining high luminous efficiency.

Coordinate generation unit calculates observation coordinates based on nozzle arrangement information to detect defective pixels during liquid material deposition.

Replacing shadow masks with a hydrophobic double-layered bank eliminates deposition non-uniformity and dark edges, increasing aperture ratio.

Controller calculates correction factors for out-of-gamut color requests, producing an approximation set of control parameters that maintains consistent output.

Integrating rectifying circuits into fluorescent ballasts eliminates new driver costs during LED lamp retrofits.

A patterned bus electrode layer with openings minimizes ambient light reflectance to increase contrast ratio while maintaining electrical conductivity.

Impregnating first metal oxide particles into a second metal oxide matrix increases substrate flatness and resolves leakage current issues.

Segmented feedback routes instantaneous signals for fast transient response while averaging maintains precise current regulation without external filters.

A reverse current generating means sustains self-oscillation in electronic transformers driving low-power LED loads.

A drive circuit monitors an LED string for shorts and switches to a defect mode using existing input nodes.

Sacrificial layer solvation removes polymer residues that degrade element characteristics in organic electroluminescence displays.

Solution-processable quantum dots convert blue OLED light to red and green, reducing manufacturing costs while enhancing light saturation.

A light-emitting device disperses thermally activated delayed fluorescence bodies and quantum dots in a shared layer to enable efficient optical energy transfer.

Island-shaped injection layers overlap inward from light emitting layer ends to prevent peripheral crosstalk in organic EL displays.

A switching regulator controller uses a hysteretic comparator and dual feedback loops to stabilize output current.

Deuterated compounds in adjacent emitting layers reduce interface degradation to extend device lifetime without increasing structural complexity.

Sterically hindered donor arylboranes enhance electron injection and transport in organic electronic components.

Rolling and inspection of elongated metal plates maintain thickness uniformity to reduce through-hole dimension variation in deposition masks.

Segmenting red, green, and blue LED arrays into vertical layers improves positioning accuracy while reducing manufacturing complexity and interlayer damage.

A thin metal film interposed between the cathode and organic layer alters interface junction characteristics to improve electron injection efficiency.

Twisted aryl platinum compounds prevent excimer formation to improve device stability and lifetime.

A modular lighting control device uses dedicated security means to decrypt and encrypt data for wireless network communication.

Inorganic semiconductor particles embedded in organic materials enhance carrier transport and bonding strength, extending service life.

Segmented cathode bus lines and auxiliary electrodes distribute heat evenly, preventing concentration at the periphery of the contact unit.

An electronic converter uses pulse width modulation to transmit signals across an insulation barrier.

Triazolium and tetrazolium derivatives emit visible light across the spectrum, resolving efficiency-versatility trade-offs in full-color displays.

A subtractor circuit eliminates voltage offset across current-limiting resistors to preserve dimming control accuracy in traditional dimmers.

Escape grooves constrain adhesive flow to prevent cutting defects and peripheral area enlargement in organic EL displays.

An integrated conductive reflective layer reduces voltage drop across large-area OLEDs by lowering electrode resistance while maintaining luminance.

Merging separate driver circuits into one unit reduces device complexity while maintaining independent control of red, green, and blue LEDs.

A bank structure with reverse and normal slopes guides solution deposition to form uniform light-emitting layers in electroluminescent displays.

A color LED drive apparatus adjusts light flux output by selectively charging an energy storage device through the selected primary color LED.

A transmission circuit encodes feedback and sensor data using pulse width modulation across an optical coupler for electronic converters.

Segmented driving electrodes reduce the active matrix OLED pixel footprint, eliminating separate storage capacitors to increase aperture ratio.

A new nitride phosphor emits yellow-green to orange light with a large full width at half maximum.

Segmenting large chassis into smaller members reduces material, distribution costs, and equipment space requirements.

A heteroaryl polymer aligns energy levels in the hole-transporting layer to enhance external quantum efficiency.

Curved aperture contours in bank structures enhance mechanical collapse resistance while maintaining ink fillability.

A vapor deposition nozzle unit connects multiple members to common supply lines for uniform gas distribution.

A cholesteric liquid crystal layer selectively reflects blue light to maintain brightness and color balance in optical laminate films.

A PWM signal generation circuit uses duty setting and output control units to produce immediate soft-start signals.

Feedforward cancellation removes large DC offsets from photoplethysmography signals, preventing amplifier saturation and reducing power consumption.

A networked lighting system uses color-changing LED signals to convey emergency alerts across large facilities via a unified visual interface.

Joule heat sublimes organic material onto acceptor substrates, eliminating metal mask bending and reducing chamber size.

A chamfer cutting reflective layer on a display panel reflects laser energy away from edges to prevent structural damage during fabrication.

Ultraviolet curing of a photocurable resin composition achieves high adhesion strength between display layers despite light-shielding barriers.

Optimizing the chemical composition of a nitride oxy-nitride phosphor resolves the trade-off between color rendering properties and light-emitting efficiency.

Composite auxiliary electrode reduces electrical resistance and prevents total internal reflection to improve light emission efficiency.

Dual feedback control stabilizes the current modulating element, reducing power losses and control difficulty when transmitting data via standard LED drivers.

A quantum dot light emitting element uses a photosensitive host material to enable photolithographic patterning of the active layer.