Electroluminescent Light Sources TRIZ Cases

Non-uniform heat dissipation cools the periphery while maintaining center warmth, compensating for low electrode conductivity to fix luminance non-uniformity.

A common seal line unites adjacent light emitting diodes on a mother substrate, reducing forming and curing times while maintaining seal integrity.

A power supply control device adjusts PWM frequency to maintain constant luminous flux in vehicle lighting circuits.

A wavelength conversion sheet uses spherical phosphor particles dispersed in a heat-curable resin to achieve uniform light emission.

A wearable electronic device uses motion tracking sensors to detect user gestures and transmit predefined commands wirelessly to a loudspeaker.

A light emitting element uses a resonator structure between electrodes to direct optical output.

Balancing electron and hole transport via specific host-dopant combinations improves OLED efficiency and lifespan without raising driving voltage.

A driver adjusts lamp arc and cathode power via pulse width modulation duty cycle.

Flexible films with barrier layers seal phosphorescent organic electroluminescent elements, protecting against moisture while maintaining thin profiles.

A button backlight processing device adjusts red, green, and blue LED duty cycles to match the terminal theme interface.

Segmented sealants with varying widths prevent oxygen permeation while enhancing impact resistance across flat and corner regions.

A light emitting device uses temperature and humidity data to adjust optical output signals.

Alternately driving two LEDs in the time domain combines their emissions to produce white light, eliminating phosphor conversion losses.

A liquid crystal display panel uses a dummy structure to compress sealing material in the wide frame region.

Ester-linked hole transport polymers ensure complete ink spreading in openings, resolving defects that reduce element lifespan.

An etching-stop layer overlaps the pad-line boundary to prevent separation errors, ensuring reliable electrical connections in display devices.

Conditional preliminary charging prevents brightness drops from parasitic capacitance while reducing power consumption in electroluminescence displays.

A PWM light source drive stabilizes output voltage by switching between optical power feedback and an inverse PWM signal, reducing bandwidth requirements.

Optimizing wiring resistance ratios in a charge pump suppresses transient through currents and maintains output potential VPP.

A light emitting diode incorporates an electron injection layer containing a lanthanide element, an alkali metal, and a halogen in a perovskite structure.

Substituting hydrogen with deuterium in aryl-anthracene hosts increases device lifetime and air tolerance without reducing quantum efficiency.

Metal halide or metal oxide electron blocking layers with higher LUMO values than the host material reduce recombination losses and extend device lifespan.

A bilayer lower electrode structure combines an organic conducting layer with a metal layer to enhance planarity in active-matrix displays.

An organometallic compound acts as a dopant in organic light-emitting devices to enhance electrical conductivity.

A white organic light emitting device adjusts layer thicknesses to satisfy specific optical path conditions.

Resin banks with controlled cure degrees absorb ink to prevent unfilled regions and light leakage, ensuring uniform film thickness in inkjet displays.

A rotary knob drives a transmission mechanism to adjust LED module position and brightness via a potentiometer.

A radiation converting panel uses a europium concentration gradient to suppress luminance drops in peripheral areas.

Green pixel fences connect to lower voltage terminals to eliminate leakage emission light without reducing resolution.

An organic charge transport layer sits between emission layers to improve interfacial properties and simplify manufacturing processes.

Series resistor and capacitor damp EMI filter resonance in SEPIC converters, preventing triac dimmer induced instability.

Dynamic white extraction resolves the luminance versus color sensitivity trade-off in organic electro-luminescent displays.

An average current regulator uses an ON-time controller to adjust PWM signals for precise output regulation.

Controlling sulfur oxide exposure during organic functional layer formation in organic EL device production.

An ultra-thin self-healing metal layer reduces permeation rates by three orders of magnitude while maintaining conductivity.

A substrate scattering layer using a high refractive index binder resolves light trapping at the organic interface to boost external quantum efficiency.

Segmented gate lines with variable thickness reduce signal delay and improve display quality in large-area organic electroluminescent displays.

A dimmable LED lamp integrates an MCU microcontroller and RF wireless transmitter for brightness adjustment via traditional dimmers, key switches, or remote signals.

Composite ligand structures resolve thermal stability trade-offs, reducing triplet-triplet annihilation in blue emission devices.

A separation layer between common light-emitting layers in organic EL subpixels prevents adjacent color mixing during vapor deposition.

Precharge unit supplies M-times current to signal lines, compensating for voltage drops during shortened 1:N demultiplexing sampling windows.

An interception layer blocks migrating fluorine from bank material dross, reducing contact resistance and maintaining voltage supply stability.

Gamma correction unit applies modification coefficients to input image data, compensating for OLED and transistor degradation without adding pixel transistors.

A digital control multiplexor alternates between open and closed loop topologies to manage power supply states.

Asymmetric quantum well structures in multi-electrode superluminescent diodes reduce minimum current density for high-energy emission.

Particle mask etching generates non-uniform surface structures that convert near-field light into radiant energy across visible and near-infrared spectra.

An organic electroluminescent element uses a mixed layer with low molecular compounds to reduce driving voltage caused by interface hindrance.

Segmenting insulation into organic and inorganic layers prevents short circuits caused by external pressure on the sealing substrate.

A thin film transistor merges the body contact region with the semiconductor layer edge to reduce occupied area.