Planar/Plate-Like Light Guides TRIZ Cases

A roughened prism light-shielding surface scatters and absorbs stray light, improving blind-spot visibility through the optical member.

A holographic optical waveguide projects a larger virtual image farther away, easing rear-seat eye strain without adding display bulk.

Segmented slot waveguides adjoined to a photodetector improve coupling and responsivity while preserving bandwidth in a compact chip structure.

A concave incident surface and inclined bottom faces redirect and reflect light to raise output luminance without thickening the light guide panel.

A light guide and extraction layer create hidden off-state display graphics while preserving high-contrast visibility on curved vehicle surfaces.

Step-shaped reflective surfaces and prism parts alter reflected light pitch to suppress moire while preserving blind spot scene visibility.

Rectangular prism light couplers bonded to laminated roof glass improve cabin illumination without adding extra glass layers, weight, or assembly complexity.

Alternating refractive-index regions and switchable opaque layers narrow display viewing angles for privacy mode while preserving brightness.

Silicone lens arrays and shaped lightguides replace glass concentrators to cut cost and complexity while maintaining high solar transmittance.

Embedded scattering particles in a vehicle mirror light guide improve luminance uniformity and reduce reliance on prisms or multiple light sources.

A reflective mirror bezel hides touch icons until lit, using ToF sensing and guided light to keep gesture control visible and precise.

A light guide and extraction layer hide display edges when off, then reveal clear graphics through curved cover glass when illuminated.

Holographic optical elements split and deflect incident light so one image sensor can capture a wide field of view with lower distortion and cost.

Volume gratings replace diffusers in LED backlights to improve light uniformity and luminance while reducing light loss, thickness, and cost.

Segmented slotted waveguides improve light coupling and absorption, helping photodetectors raise bandwidth and responsivity in less chip area.

Plasma-etched lithium-oxide diffractive waveguides improve AR depth perception by aligning vergence and accommodation cues.

Asymmetric micro-structure edges increase grating design freedom, improving coupling-out efficiency, pupil expansion, and image brightness.

A MEMS scanning mirror and matched spatial light modulator steer waveguide image light to ease vergence-accommodation conflict in thin AR displays.

Segmented grating layouts aligned to beam-writing axes cut write time for near-eye display waveguide fabrication.

A 2D tiled grating modulates efficiency through period changes while keeping 1D diffraction, improving AR display brightness and uniformity.

Partitioned out-coupling gratings and tuned duty ratios make AR waveguide brightness more uniform across the field of view.

Surface relief gratings couple image and infrared light in one waveguide, enabling compact AR/VR displays with lower power gaze tracking.

Refractive-index mismatch at a waveguide interface mixes rays for uniform images while preserving wide field of view and eye-motion tolerance.

A dual-backlight and privacy film structure switches between narrow-angle privacy and wide-angle sharing while avoiding complex grating fabrication.

A birefringent organic solid crystal layer in a waveguide cuts AR/VR optics weight while improving color uniformity and light coupling efficiency.

Discrete out-coupling grating cells simplify waveguide fabrication while controlling light energy distribution and improving HMD imaging quality.

A closed k-space grating vector path keeps AR waveguide images distortion-free while blocking ambient-light rainbow patterns in the eye box.

Dual-sided expansion gratings widen field of view while keeping waveguide size compact and improving eyebox efficiency and image uniformity.

Perpendicular diffraction gratings spread light in two dimensions, expanding AR eye box and field of view while improving depth cues.

A low-index layer reflects unconverted light back into the color conversion layer, improving display luminous efficiency without sacrificing color purity.

Asymmetric micro-structure units add shape freedom to tune optical waveguide coupling-out efficiency, diffraction selectivity, and image brightness.

Replacing thick laminated base film with glass stabilizes lenticular lenses, improving 3D HUD resolution uniformity and manufacturability.

Waveguide pupil expanders and a diffractive combiner enlarge the eye-box and send separate images to two users without blocking the driver's view.

Directly formed microlenses at the waveguide exit steer light downward, reducing adapter size and simplifying continuous beam alignment.

Transfer-film multilayer gratings enable low-cost, high-volume AR waveguides while preserving high index contrast and grating precision.

A selective light absorption layer blocks harmful short blue wavelengths, preserving organic phosphor luminance, color stability, and eye protection.

Synchronized MEMS beam steering and spatial light modulation create 3D waveguide images that ease vergence-accommodation conflict and eye strain.

Multiple output zones with tuned diffraction efficiencies suppress external-light rainbow artefacts while improving AR/VR waveguide image uniformity.

A grating-based waveguide splits light from one display into two eye paths, cutting near-eye display weight and optical complexity.

A single display splits left and right eye images through transparent members, cutting duplicate optics and reducing wearable AR weight.

Curved lightguides use total internal reflection and diffractive gratings to widen field of view while shrinking headset optics.

Varying photonic crystal profiles suppress opposite-direction light leakage, improving AR waveguide efficiency and viewer privacy.

Smooth curved grating boundaries with valleys improve out-coupled light uniformity while reducing scattering and boosting image contrast.

Chief ray angle tuning shifts x and y pupils to match replicator entrance ports, reducing coupling losses in display optics.

Multi-beam splitting forms in-coupling, turning, and out-coupling gratings in one exposure, cutting alignment error and preparation time.

Segmented waveguide gratings improve AR glasses light coupling and brightness uniformity by separating light entry, redirection, and emission.

Hexagonal grating pupil expansion in a waveguide improves AR image uniformity while preserving optical efficiency and reducing bright stripes.

Orthogonal diffraction gratings on a waveguide distribute and outcouple light in 2D, improving AR depth perception and visual comfort.

Chief ray angle tuning creates separate x and y pupils at different planes to align replicator entrance ports and cut display coupling loss.

Side bets on community card sum, color, and odd-even outcomes make poker more inclusive by reducing reliance on bluffing and raises.

Varying grating duty cycle and pitch along the light path helps a waveguide keep large-area AR displays bright and uniform with lower light loss.

Left-right FOV segmentation and center-steering grating vectors improve waveguide display uniformity and MTF across RGB plates.

Asymmetric light guide plate geometry aligns incident rays with hologram patterns to eliminate dead zones and boost brightness uniformity.

Engraved patterns on a light path control element redirect and diffuse light, preventing hot spots and improving luminance uniformity in thin displays.