Optical Filters TRIZ Cases

See how a multi-layer door with inclined reflective surfaces uses ambient light to create aesth

See how metal azo pigment adducts with controlled Ni/Cu ratios and heat treatment resolve the t

See how composite metallazo pigments with multiple metal ions and melamine achieve both high di

Solvent vapor re-mobilizes dried ink surfaces in color filter pixels, equalizing thickness to reduce light leakage and image blur.

Violet-pumped filtering and wavelength conversion suppress 440-500 nm blue output while preserving color gamut, efficiency, and lower circadian impact.

High-index green filters and a microlens improve light condensation in small pixels, boosting image sensor sensitivity without thicker filters.

Image-height-dependent pixel shielding balances PDAF and normal pixel sensitivity to prevent bright spots and improve CMOS image quality.

Doped semiconductor layers with a buried structure widen infrared absorption to 3-12 μm while keeping high efficiency and angle insensitivity.

Mixed dielectric and metal layers reduce angle shift and improve transmissivity, helping sensors capture more accurate data across incidence angles.

A lower-index blue-violet color filter preserves microlens focusing efficiency while improving peak sensitivity in the 400-500 nm range.

Nonperiodic silicon dielectric resonators deliver 0-2π phase control to reduce chromatic aberration and keep deflection or focus stable across wavelengths.

Scatterers, refractive layers, and stacked partition walls improve light transmission and color conversion efficiency in display panels.

Combining color, absorption, and polarization filters lets one sensor distinguish wet, dirty, and reflective road surfaces more reliably.

Meta-surface pixel layers replace conventional color filters to route wavelengths, improve light collection, and correct image distortion.

An upconversion crystal layer shifts infrared light above 1100 nm into silicon-detectable wavelengths, extending low-cost sensing into SWIR.

Between-pixel light attenuation sections block oblique stray light while preserving sensitivity in color filter imaging elements.

Apertures with cutoff frequencies filter infrared and separate colors in an image sensor while preserving light intensity and reducing angle dependence.

Aperture waveguides block infrared light while passing visible wavelengths, improving color separation and light collection without absorptive filters.

A dichroic filter and diffractive optics block external radiation, cut stray light, and protect the light source in transparent displays.

Layered black matrix and reflective wall alignment enables high-resolution display patterning with strong light shielding and easier photolithography.

A siloxane-coated quantum dot resin balances fine lithography patterning with strong luminous properties for micro-LED film formation.

A TiOx/NiOx and metal stack blocks oxygen diffusion to keep IR reflection high, visible transmission clear, and coating stability intact.

An integrated moving diaphragm and lens barrel shares terminals and drive structure to cut camera module assembly complexity and cost.

A dual-band filter and back-side optical adhesive counter cover-glass warpage while preserving UV curing and infrared sensing.

A boron-diazine condensed cyclic compound improves OLED chemical stability, lowers driving voltage, and supports efficient blue-shifted emission.

Nanostructured color separation and oblique light compensation redirect edge rays to improve pixel sensitivity and reduce dark edges.

A crosslinked protective layer blocks stripping-solution permeation during dry etching, preserving infrared cut filter spectral characteristics.

Matched-index absorbing and conversion layers suppress blue leakage and total reflection, improving display color purity and luminance.

A wavelength-splitting lens array replaces absorbing color filters, improving light use and autofocus in image sensors.

Precise thiol control in a curable color filter composition improves patterned edge shape, adhesion, and defect resistance.

An optical sensor aimed at the first mirror detects solar flux early, letting the protection module cut beam intensity before HUD overheating.

A projection-depression filter structure preserves guided-mode wavelength selectivity while avoiding precise waveguide thickness control.

Interior windshield-mounted context and LPR cameras use skirts and synchronized IR lighting to cut false positives in traffic violation detection.

Neutral density filtering and ink layering hide display components when off while preserving brightness and color accuracy when active.

An opaque lens tube and 50/60 Hz filtering let a camera work inside an emergency lightbar without LED or IR interference.

Alternating red and clear filters with a 520-620 nm band-stop filter improve traffic-signal color discrimination without full RGB sensing.

Nano-structured routing and unit spectral filters split light into four bands, improving color reproduction and object recognition in compact sensors.

Larger light-dispersing layers scatter emission from inorganic LEDs to even sub-pixel luminance and prevent localized degradation.

A stepped via in the light filtering and insulating layers cuts light leakage and color mixing while preserving pixel aperture ratio.

A single blue LED and fluorescent body generate stable broadband light from visible to 1050 nm, reducing spectral drift in sorting machines.

A dichroic filter matched to the light source wavelength blocks solar radiation, reducing stray light and overheating in diffractive displays.

An oxide or paraxylene interlayer blocks optical filter damage to quantum dots, suppressing dark current while preserving sensitivity.

Subwavelength light separation and pixel boundary shielding improve spectral accuracy while reducing oblique-light leakage and color mixing.

Concave color filters with different curvatures align RGB focal paths, reducing channel differences and improving outer-pixel sensitivity.

A mirror-integrated near-IR camera tracks driver eyes in low light while adapting to mirror adjustment for reliable attentiveness monitoring.

Metal-dielectric pixel filters vary dielectric thickness ratios to separate wavelength bands, cut color mixing, and lower filter cost.

Spectral tuning at 480, 530, and 550 nm helps phosphor-converted white light improve letter visibility for users with reduced blue sensitivity.

A neutral density filter and selective ink regions hide inactive display components while preserving brightness and color accuracy.

A concave bandpass filter keeps narrow infrared passbands across varying ray angles, reducing ambient light noise in ranging.

A multilayer optical stack cuts radio-wave reflection from metallic-look covers while passing radar and infrared signals for more accurate detection.

Microstructured spectral elements split wavelengths toward adjacent pixels, improving light use and preserving spatial resolution without color filters.

A reflective polarization film and color conversion layers cut external light reflection while improving color reproducibility and display contrast.

A sapphire window with absorption and refraction layers blocks UV-C light before it reaches display adhesive, preventing bubbles and adhesion loss.

A curved lenticular display uses color filters, opaque masking, and a Fresnel lens to cut ghosting and widen 3D viewing angles.

A long-pass filter paired with a peaked photoelectric layer enables narrow-band imaging with better edge light intensity and lower temperature sensitivity.

Reflective pixel cavities and aligned microlenses extend photon paths in silicon, boosting near-infrared quantum efficiency in low light.

A symmetric polarizer aperture layout simplifies sensor fabrication while preserving phase detection, quantum efficiency, and depth mapping.

A UV-blocking first film shields a wavelength-selective second film, preserving head-up display color filtering and long-term performance.

A stepped light blocking structure separates adjacent pixel regions to curb light leakage while preserving converter thickness, brightness, and color gamut.

Using SiC instead of TiO2 helps optical filters cut angle shift while reducing sputtering difficulty, scatter loss, and layer count.

A four-metal-layer coating uses one discontinuous metallic layer and dielectric spacing to cut solar heat gain while preserving visible light transmission.

Alternating transmissive and high-aspect-ratio absorptive regions block off-axis views while preserving strong on-axis visible, UV, and NIR transmission.

A lower-index color filter composition helps microlenses focus 400-500 nm light more effectively, improving blue-light collection and sensitivity.

Dual nanoantenna arrays on both phosphor surfaces steer fluorescence to narrower angles, reducing propagation loss and improving extraction.

A multilayer EUV membrane uses emissive base materials and oxide capping layers to cut reflectivity, manage heat, and resist degradation.

Six lens elements distribute refractive power and use aspheric curvature to correct chromatic aberration, astigmatism, and coma.

Microstructures scatter non-imaging light while nanostructure layers lower reflectivity, helping prevent ghost images in electronic-device imaging.

Silane-coordinated quantum dots remain anchored during development, enabling fine micro-LED patterns with favorable luminous properties.

A cemented lens group uses differing aspheric coefficients to suppress stray light and improve imaging quality in compact optical systems.

Photomask patterning creates distinct polarization axes in an organic film, resolving the trade-off between wide viewing angles and fabrication complexity.

A mask plate design uses semi-transparent regions between shading and transparent areas to control photoresist solubility during development.

A dual coating and lift-off method deposits patterned dielectric-metal layers using a two-layer resist undercut to define precise filter features.

A monolayer metasurface structure directs incident light phase to form an image while a wavevector filter modulates wavevectors by angle.

Nanostructured metallic layers couple incident light into multiple absorption modes to enable precise color filtering in pixelated devices.

Segmented polymeric repeat units in a multilayer optical film suppress third-order blue harmonics while controlling infrared reflectance.

A screen protection filter uses magnetic attraction to attach to electronic devices.

A halogen-free green color filter uses optimized pigment mixtures to achieve high light transmittance.

A light conversion unit with partitioned accommodation parts prevents liquid leakage in display devices.

Graft polymer disperses pigments as primary particles to prevent aggregation and maintain dispersion stability at high concentrations.

A transparent film product uses UV-A absorbing sections to create contrasting patterns visible only to birds.

A conductive filter film layer serves as a detection plate for under-display fingerprint recognition circuits.

Segmented waveguides with varying cross-sections suppress temperature dependency while maintaining compact length and low signal loss.

A writing film uses a rough layer and photonic crystal to transmit visible light while reflecting infrared beams.

Larger edge light-transmitting regions in the mask plate compensate for optical distribution, preventing color resist block peeling from non-uniform thickness.

A biometric sensor integrates into a display activation area using an optical coupler to reflect light through a transparent cover for fingerprint sensing.

Squarylium dyes in resin substrates resolve trade-offs between near-infrared cutting capacity and visible transmittance, enabling thinner imaging devices.

Individual optical elements modify light paths for each detector, resolving focus issues caused by shared optics in conventional LIDAR systems.

Segmenting a metalens into an array with angular-dependent transmission reduces crosstalk and geometric aberrations for large field imaging.

A fish-eye lens integrates an infrared cutting coat directly onto a curved lens surface within the second lens group.

A color dependent aperture stop tailors opening sizes by wavelength to optimize light transmission in projection systems.

Transfer printing separates quantum dot deposition from resist formation to eliminate photoresist polymer doping and improve light extraction efficiency.