Optical Filters TRIZ Cases

Surface-modified metal particles in a color filter substrate eliminate leveling agents, resolving particle aggregation while increasing luminance.

Composite film structure absorbs specific light wavelengths to narrow the transmission spectrum.

A region division element separates excitation and fluorescent light to suppress color gamut deterioration in phosphor-based time-division projectors.

Perovskite color filters resolve the trade-off between color purity and transmittance, eliminating the need for expensive quantum dot synthesis.

An infrared lamp illuminates facial images captured by an RGB-IR sensor to determine epidermal composition via liveness confidence scoring.

A wavelength selective filter uses a periodic metal structure with alternating dielectric layers to achieve narrow full width at half maximum transmission.

Illumination filter uses spatial pattern to mask distinct filtering fractions across separate illumination paths.

A plastic optical lens assembly integrates long wavelength absorbing materials directly into the substrate to filter infrared light.

Hydrogen-free light compensation layers prevent thin-film transistor deterioration while expanding viewing angles.

An edge-mounted infrared touch assembly reduces touch height and eliminates adhesive layers, resolving signal reception issues.

Graded binder particulates near the substrate enable low-temperature manufacturing without degrading metal components.

A reflective layer on inclined conversion layer sides redirects light to pixel areas.

Segmented optical functional layers balance external light shielding and image light transmission to resolve contrast trade-offs.

A quantum dot phosphor layer converts blue light to full-spectrum visible emission, replacing traditional color filters in liquid crystal displays.

An image-side negative lens with a localized infrared cut film minimizes color shading while maintaining compact optical dimensions.

A six-lens optical imaging system uses a plastic sixth lens with negative refractive power to achieve a telecentric effect.

A see-through transmittance compensation mask centers optical windows relative to eye position.

Alternating positive and negative refractive powers with aspheric surfaces reduce aberration in a compact six-piece optical lens system.

A photosensitive composition uses a carboxylic acid binder and dual photoinitiators to disperse quantum dots in polymer matrices.

Tin-doped indium oxide particles dispersed in an organic binder generate surface plasmons for infrared reflection.

Segmenting stray light control into local coatings on dual molded lens elements resolves the contradiction between precision and optical performance.

Active optical filter integrates shutter and color filtering functions using a magnetic field to control light transmission through multi-layer thin films.

Organic fluorescent substances replace cadmium-based quantum dots in a thermoplastic resin matrix, eliminating safety hazards while maintaining high luminance.

A release layer separates the rigid substrate from the flexible color filter, preventing polyimide yellowing and preserving optical transmittance.

An intermediate refractive index capping layer reduces external reflection while quantum dots convert wavelengths to boost brightness.

Ionic bonding in the resin structure resolves adhesiveness and storage stability contradictions.

A quantum dot color filter uses an optical filtering layer to absorb unexcited light and enhance display brightness.

A photosensitive coloring composition uses a fine magenta pigment and ultraviolet absorber to form precise color filter patterns.

A pyrimidine dye compound absorbs blue and green wavelengths to resolve light reflection and reliability trade-offs in quantum dot displays.

A frame with a through hole closes the opening using a light-absorbing film containing a compound.

Concave infrared cut-off filter suppresses wavelength shift to eliminate red color variation between central and peripheral image areas.

Optimizing refractive index difference between 0.005 and 0.53 reduces manufacturing error sensitivity while correcting chromatic aberration.

A CuO glass infrared cut-off filter uses an ultra-thin cover element and optically clear adhesive to create a stable sandwich structure.

Optimizing the distance between the diaphragm and projection lens group reduces module volume, enabling handheld microscopy applications.

Optimized initiator ratios in the photosensitive composition prevent lens mura and pattern unevenness during large-area block patterning.

A four-lens optical imaging system with specific refractive power distribution and concave surfaces.

A metal nanostructure optical filter uses discrete resonant units to encode wavelength across a two-dimensional plane.

Diffractive lenses redirect peripheral light onto photodiodes, reducing optical cross-talk that degrades conventional curved microlens performance.

Nano-optical filters in the sensor detect spectral differences between real and fake fingerprints, resolving security risks from replicated biometric data.

Dual filling materials in trenches create an optical uniform surface that eliminates backside striation.

Diverging optical elements restrict light acceptance angles through apertures, resolving blurring issues in thick cover glass.

Optimized chalcogenide glass composition resolves infrared transmittance trade-offs to enhance sensor sensitivity for living body detection.

A color converting substrate uses light blocking regions to guide inkjet printing alignment of color filters.

Actively tunable narrow band optical filter structure compensates for transmitter wavelength drift by adjusting passband via thermal or rotational control.

A five-element plastic lens design uses aspheric surfaces and specific focal length ratios to correct optical aberrations.

Substrate concaves in the color filter adjust resin layer thickness to balance brightness and color saturation without compromising either parameter.

Encapsulating an inorganic first layer within a hydrophobic second layer prevents undercut, stabilizing the quantum dot light-conversion layer.