Optical Filters TRIZ Cases

Polarized dual-light imaging separates tablet powder from true foreign matter in PTP film inspection without slowing packaging lines.

A dielectric grating on lossy metals enables vivid reflective color pixels with wider sRGB coverage, high contrast, and CMOS compatibility.

A composite of black pigments and hollow silica particles cuts reflectance and bright edges while keeping micro LED light shielding uniform.

Partitioned openings, conversion layers, and a spacer keep panel spacing uniform to limit light leakage and brightness variation.

Phase-shaped apertures focus coherent light through interference, reducing lens weight and broadening wavelength flexibility.

Multiple notch filters in a polycarbonate visor coating suppress secondary reflections while preserving outside-world transmission and image contrast.

Blue-glass and long-wavelength absorbing lens elements filter near-infrared light while limiting visible reflection that causes petal-shaped flares.

An avoidance groove in the lens barrel confines liquid adhesive around the filter, preventing overflow and preserving lens assembly performance.

A four-lens optical layout and tilted filter enable thin camera modules to deliver high resolution and accurate ToF depth mapping.

An asymmetrical phthalocyanine dispersion aid improves pigment stability and coloring power in ultra-thin green color filters.

By integrating blue-glass and long-wavelength absorbing lens elements, this case cuts petal-shaped flares while maintaining near-infrared filtering.

A UV protection layer on the outer pane shields the hologram from aging while limiting reflections that can degrade head-up display quality.

Fiber-shaped fillers with a controlled 10-500 aspect ratio reinforce cover-window films while preserving light transmission and flexibility.

Microstructures and nanostructure layers on a light blocking sheet scatter stray light to cut reflection and suppress ghost images.

A barrier layer with low oxygen transmittance protects the infrared filter from oxidation, preserving visible and infrared detection accuracy.

Scattering particles and pigment in a partition wall help isolate quantum dot color conversion layers while improving light extraction and color clarity.

Hydrogenated silicon and silver layers enable a single sputtering bandpass filter with high transmissivity, low angle shift, and ambient light blocking.

A dual-stack film structure blocks visible wavelengths while preserving infrared transmittance for optical sensing from 850 to 1550 nm.

A resin IR dye layer plus dielectric multilayer film keeps visible light clear while blocking near-infrared light at large incident angles.

By combining lens and random phase functions, this case improves lensless image reconstruction while eliminating focal-length space.

Selective absorption areas filter infrared, yellow, and short-wave blue leakage to widen color gamut and reduce eye-hazard light.

A colored-particle overcoat and subpixel thickness tuning replace the polarizer to cut OLED reflectance, power use, and panel cost.

Multiple objectives image segmented microplate regions in parallel to boost screening speed while preserving resolution for live-cell events.

A ring light and reflection detector map surface electrostatic fields to spot charge buildup and potential ESD risks on semiconductor components.

Stacked optical structures guide and condense specific colors to target pixels, avoiding high-aspect-ratio fabrication and simplifying sensor optics.

A narrow bandpass filter placed within the condenser lens suppresses chromatic aberration and improves exposure resolution.

A scotopic filter paired with a silicon photomultiplier improves ambient light measurement below 0.1 lux with human-eye-like low-light response.

A convex wire-mesh filter scatters direct reflections in smoke detector test paths, improving infrared beam testing accuracy and reliability.

Encapsulated micro-resonant elements and reflective stopbands narrow the passband while keeping center wavelength stable across angle changes.

Aspheric plastic lenses combine IR-filter coatings and long-wavelength absorption to curb light leakage, reflection, cost, and size.

Independent luminance and saturation control in a multi-primary display expands color gamut, cuts metameric errors, and preserves RGB compatibility.

Alternating dielectric stacks widen NIR reflection to reject solar heat while transmitting at least 85% of RF signals for device-friendly glazing.

A multilayer solar control coating balances champagne-like or soft-gray aesthetics with moderate reflectance, low interior reflectance, and 40%+ light transmittance.

Alternating transmissive and high-aspect-ratio absorptive regions keep on-axis transmission above 75% while limiting side-angle visibility.

Adding cyan, magenta, and yellow channels with non-linear luminance transfer expands display gamut while reducing metameric errors.

A diffraction grating and fine-pitch pixel array encode wavefront angle and phase on one sensor, enabling passive depth mapping and 3D imaging.

A nano grating film guides or resonantly reflects blue-violet light to cut transmission without chromatic aberration or high reflection.

Beam-split optical paths and separate filtering capture multiple image views in one shot, enabling depth extraction and varied filter effects.

An absorption layer in a hybrid interference filter decouples transmission and reflection spectra to cut back-reflection and improve sensor SNR.

A recessed light guide wall around each color filter redirects oblique light to the photoelectric unit, boosting sensitivity while limiting color mixing.

Alternating collimating regions and multilayer reflectors help display sensors image fingers or veins across visible and infrared angles.

A six-primary image conversion workflow expands display gamut, cuts metameric errors, and stays compatible with RGB equipment.

Multiple in-layer lenses redirect incident light away from wiring-layer reflections, stabilizing sensitivity and improving image quality.

Band-aligned core-shell particles induce a Stokes shift to cut reabsorption loss while preserving high absorbance and emission efficiency.

A UV absorber in an inorganic-oxide hard coat helps plastic optical members resist yellowing and humidity-driven cracking.

A benzotriazole absorber in a xylene diisocyanate-polythiol lens raises HEV blocking while avoiding precipitation and loss of clarity.

Dielectric multilayer Fabry-Perot filters improve peak spacing and line-width uniformity for higher-resolution multiwavelength imaging.

Distinct blue, green, and red-infrared reflection bands cut ambient reflection while preserving OLED brightness and color at off-angle viewing.

A coumarin-based heavy metal-free composition converts visible light to UV at low excitation intensity while improving upconversion efficiency.

A doped tungsten oxide and dielectric layer stack improves solar selectivity while preserving light transmission and radiofrequency transparency.