Electroluminescent Light Sources TRIZ Cases

A circularly polarized light-separating layer converts emitted light into linear polarization to improve utilization efficiency in organic electroluminescent displays.

A light-emitting element drive device uses a mask signal generation unit to suppress output ground fault detection during initial power-on.

An OLED capping layer integrates UV interception materials to block ultraviolet rays and moisture, extending device lifespan.

A segmented boost converter topology uses inductive and switched capacitor circuits to manage voltage boosting.

Photolithographic patterning defines organic layer film edges with specific slant angles to secure electrical connections and minimize frame region width.

A load driver uses a single converter to simultaneously power the load and charge the source during normal operation.

A control unit measures pixel currents and corrects video signals to maintain consistent light emission across the display area.

A buffer layer with lower surface roughness provides a smooth substrate for organic emission layers in OLED displays.

Adjusting bank sidewall inclination angles locally controls ink pinning to ensure uniform organic film thickness and prevent luminance unevenness.

Through-hole conductive pads eliminate front-surface pad lines in OLED displays, reducing bezel area while maintaining connection reliability.

A two-stage LED driver uses current pulses to meet electronic transformer minimum load requirements.

Segmented mask processes deposit uniform common layers across organic light-emitting display subpixels to eliminate white angular dependency.

An intermediate inorganic film with higher oxygen content bonds directly to a resin layer, resolving low adhesiveness between inorganic films and resins.

A recess in the flattening film directs inkjetted organic resin to prevent edge chipping and ensure uniform sealing film thickness.

A releasing layer enables separation of a rigid mother substrate from a flexible plastic device.

Segmented light emitting units separated by charge generating layers in a tandem organic electroluminescent element achieve high luminance and color rendering.

Segmented emission layers in a white OLED element maintain blue luminance while compensating for filter losses, extending device lifespan.

Segmented anode regions using PEDOT and ITO materials increase surface area while maintaining high light extraction efficiency.

A dimming buck LED driver regulates current via a dedicated capacitor and control unit to enable smooth brightness transitions.

Dual memory storage in light and driver modules allows automatic visual light communication code transfer, preventing data loss when replacing components.

Base chips overlap cover emitter regions to enable independent electrical control of light emission directions.

Non-uniform film thickness at the recessed structure bottom suppresses current leakage and abnormal light emission while maintaining uniformity elsewhere.

Optimized CaAlSiN phosphor composition maintains stable emission characteristics across temperature variations in automotive LED applications.

Scattering layers redirect isotropic light from organic electroluminescent pixels, reducing power consumption while maintaining brightness.

A control system adjusts drive signal amplitude and timing for each organic EL element to maintain uniform light output.

A dimming device uses a current limiter to stop control power generation when AC input exceeds a threshold.

A light-transmitting conductive film in the OLED seal portion enhances electrical shielding and sealing integrity.

Time division drives red and green LEDs at high current while managing heat generation to achieve high luminance without thermal saturation.

Blocking layer with higher triplet energy confines excitons within the emitting layer of an organic electroluminescent element.

Switches and DC-to-DC converters maintain controller input voltage above threshold during cold cranking.

Segmented conductive tracks create dynamic luminance variations to resolve homogeneous radiation and restore spatial depth perception.

A negative feedback circuit monitors LED voltage to maintain constant current, eliminating brightness variations caused by exponential voltage changes.