Electroluminescent Light Sources TRIZ Cases

Electrochemical inert ligands prevent carrier consumption and ligand detachment, extending QLED half-life beyond 50 hours.

A platinum organometallic compound with rigid condensed heterocyclic groups facilitates efficient blue phosphorescence emission.

Transparent electrodes between stacked light-emitting layers resolve complexity and luminous efficiency trade-offs while improving display resolution.

Joule heating from a metal pattern on the gate interconnection crystallizes the semiconductor layer, preventing arc formation and improving uniformity.

An opaque frit sealing layer encapsulates organic electroluminescent pixels to block moisture ingress.

An insulating assistant member isolates the driving voltage connecting member from the common electrode in OLED displays.

An active matrix substrate integrates light-shielding and transmitting films using oxidized carbon particles to simplify manufacturing.

Segmented color filters transmit mixed light to extend red emission wavelengths, resolving precision and complexity trade-offs.

A pyrimidine-containing matrix enables efficient electron injection in organic light-emitting devices.

A two-layer organic electroluminescent element uses a non-emitting intermediate layer to control carrier injection between distinct emission zones.

A light-emitting element uses a hybrid hole transport layer combining inorganic oxide semiconductor and organic compounds to enable low-voltage operation.

A heat conductive sheet integrates thermal management and optical sensing capabilities within a single display layer structure.

A quantum dot light-emitting device uses a metal oxide electron transport layer to move charge carriers into the emissive region.

Transmittance control devices adjust incident light transmission in transparent display pixels to enhance visual output.

A multi-electrode field emission device uses a voltage division unit with divider resistors to distribute partial gate voltages from one power source.

Spark plasma sintered Ce:YAG and Al2O3 composites eliminate organic encapsulation to resolve thermal instability in high-power solid-state lighting.

A single-layer perovskite light-emitting diode incorporates an ionic-conducting polymer composite to facilitate charge injection.

A biphase laser diode driver uses master and slave stages to minimize output ripple.

Variable off-time control eliminates audible whistling by adapting switching frequency to output voltage conditions.

A light-emitting element extracts uniform Lambertian emission to serve as a stable reference source.

Dual-layer hole transport zones in top emission organic electroluminescent devices reduce drive voltage while maintaining high blue emission efficiency.

Low melting point glass fills defects during heat treatment to block moisture, preventing dark spots caused by solvent accumulation.

A CMOS inverter-based constant voltage circuit regulates drive current for light emitting thyristors in image forming apparatuses.

A light emitting device applies reverse voltage to abnormal elements using a forward/reverse inverting circuit.

Series-connected light emitting units in an organic electroluminescent element distribute current to maintain high luminance while extending device lifespan.

A multifunctional display pixel integrates stacked light-emitting and sensing layers to produce high-resolution images alongside ambient lighting.

A light emitting element control circuit switches between variable and fixed current generation modes to manage luminance transitions.

A pulse laser beam deposits and hardens a sealing portion at the substrate edge, resolving thermal damage risks while maintaining manufacturing simplicity.

A DC-to-DC driver uses a feedback controller with a compensator and sampler to generate duty cycle control signals for precise current regulation.

Normal pressure sintering of aluminum deficient raw materials eliminates gas pressure complexity while forming single-phase α-SiAlON phosphors for LED packages.

Planar encapsulating layer fully encloses organic light emitting diode structures to enable uniform deposition of successive manufacturing layers.

An intermediate layer encloses surface particles on barrier thin-film layers, reducing mechanical damage from localized pressure peaks during cover lamination.

Copper-activated phosphors in white LEDs deliver high color rendering index and humidity stability by resolving narrow spectrum limitations.

Series-connected OLED modules use bypass switches to isolate electrical shorts and reduce power loss.

A timer-based protection circuit acquires working currents and output voltages to compare against predetermined thresholds.

Scaling the overvoltage threshold by active LED count reduces capacitor discharge energy, preventing damage during open-load conditions.

A micro light emitting diode display device incorporates a mirror layer to optimize the optical path and enhance emission efficiency.

A parallel switch configuration divides current across multiple transistors to mitigate overvoltage damage in LED matrix control circuitry.

High-frequency voltage modulation enables individual device addressing, reducing impedance losses while maintaining precise control capability.

Doped molecular layers mediate electron injection, preventing damage to organic materials during sputtering.

Holes in the planarizing film of an organic EL device discharge absorbed water, preventing degradation and adhesion issues.

An organic layer fills cracks in a first barrier film, preventing moisture ingress and enhancing reliability.

An optical laminate uses an alignment layer with controlled elastic modulus and thickness to maintain structural stability.

An LED operating circuit uses adaptive inductance and variable clock frequency to improve brightness resolution while managing switching losses.

A cadmium-free quantum dot with a zinc-tellurium-selenium core and zinc-selenium-sulfur shell achieves enhanced electroluminescence.

An auxiliary power supply circuit feeds an on/off switch via isolation, resolving dimming performance deterioration caused by inner current interference.

Laser processing creates curved cut surfaces to disperse stress and eliminate edge grinding defects.

Rectified DC signals from SCR switches ensure uniform LED brightness by preventing partial turn-on at large phase angles.

Segmented channels of dye-converted white LEDs enable independent drive circuits that maintain color uniformity while reducing manufacturing costs.