A violet LED with partial phosphor conversion delivers white light for illumination while inactivating microorganisms and limiting blue-light melatonin effects.
Reflective and inclined material layers keep unconverted blue light inside the conversion layer, improving quantum dot efficiency and limiting leakage.
A 380-420 nm emitter with two light-converting materials balances white-light quality, luminous efficacy, and antimicrobial action.
A stepped converter concentration between the conversion layer and potting keeps LED color uniform across emission angles without scattering losses.
A consolidated fluoride phosphor ceramic converts blue LED light to red or orange while reducing thermal quenching and moisture-driven degradation.
Hot-pressed fluoride phosphor ceramics improve heat conduction, curb thermal quenching, and protect high-flux LEDs from moisture-driven degradation.
Nanostructured silicon nitride flash lenses focus and spread micro-LED light uniformly while cutting lens bulk, reflection, and flare.
A graded-index optical layer cuts total internal reflection at the LED surface, boosting light extraction and emission intensity.
A superluminescent diode excites a luminescent material to broaden spectral output, tune brightness, and reduce speckle for displays and projectors.
Off-axis conical mirrors split thermal plasma emission into two filtered optical paths, enabling bright dual outputs across a broad spectrum.
A phosphor-converted superluminescent diode combines tunable spectral output with high intensity and lower speckle for display and projector lighting.
Reflective pedestal walls and a spaced optical element narrow wide-angle LED output so display collection optics capture light more efficiently.
Reflective pedestal walls and a spaced optical element narrow LED emission angles, improving light capture for LCOS and display backlighting.
Selective blue-heavy, green-suppressed emission reduces mid-band visual cell excitation to attract insects more reliably to one light source.
A flexure plate with fixed and adjustable fasteners corrects phosphor wheel focus misalignment from tolerance stack-up while maintaining lens centration.
Quantum dots downconvert blue or violet light to red, lowering CCT while preserving yellow-green light and lumens.
A removable translucent filter mounts to recessed light trim to change bulb color without replacement, cutting cost and preserving sealed fixtures.
Alternating transparent and absorbing sectors remove Fresnel straylight while preserving high transmittance and sharp sky-sun contrast.
A semi-transmissive veneer with patterned openings and an intermediate reflector boosts transmittance and light extraction in covered LED lighting.
A line-emitting phosphor paired with a broadband phosphor keeps high-brightness pumped light spectrally stable over time and temperature.
Position-specific light shaping shifts and biases emission fields to keep head-up display brightness uniform across a larger curved viewing area.
Femtosecond laser ablation and roughening tune phosphor-converted LED color points, improving pixel-to-pixel uniformity and flux distribution.
Regional ridge structures redirect center and edge light to limit amber tones, improve fixture color consistency, and preserve efficient distribution.
Laser pumping excites line-emitting and broad-band luminescent materials to maintain spectral stability while producing high-intensity, high-CRI light.
This case uses consolidated fluoride ceramic phosphors to deliver high CRI and R9 with improved thermal stability in LED lighting.
Stacked polygonal panels use integrated strip-shaped electrodes to shade uncontrolled regions and simplify light-leakage control.
Coating a reflecting filter on an absorbing substrate blocks high-power laser wavelengths without reducing visible light transmission or color discrimination.
A perovskite lighting apparatus uses mixed cation compositions to achieve high photoluminescence quantum yields.
Planar encapsulants recycle light via total internal reflection, resolving the trade-off between compact device size and broad emission patterns.
A micro pattern film with non-circular engraved shapes redirects sideward light to increase brightness in organic light-emitting displays.
A controller adjusts light intensity and beam shape automatically, eliminating manual lens shifting while maintaining energy efficiency.