Planar/Plate-Like Light Guides TRIZ Cases

A segmented edge light surface source device achieves local dimming through variable thickness control.

Resilient spacers prevent mechanical damage from vibrations by maintaining a controlled gap, stabilizing luminance distribution.

Rubber corner members absorb thermal expansion in a backlight unit, maintaining stable support for the light guide plate and preventing uneven luminance.

A transparent layer with a lower refractive index reduces light scattering at the substrate interface.

A portable magnifier uses a horizontally sliding camera to adjust magnification while maintaining a constant low profile.

A metasurface out-coupler expands compressed images into wide fields of view for near-eye displays.

Reverse-laminating asymmetric light guide plates creates a flat stack for efficient batch cutting and polishing.

A light guide plate uses holographic patterns to direct light emission from a surface emitting device.

A backlight module uses a light guide plate protrusion to form an accommodating space for the light source.

A see-through display device uses an extinction layer with alternating light guide and absorption regions to manage collimated light extraction.

Diffusion materials in light guide plates mix LED colors through refraction, reducing plate length and device weight.

A directional illuminator uses a tiltable reflector to steer light into a pupil-replicating lightguide.

Integrated optical multilayer film merges diffuser and brightness enhancement layers with a refracting intermediary to converge off-axis light beams.

A display device uses a diffraction layer and refraction pattern to control the viewing angle.

Segmented cutouts with shallower recesses disperse light reflections, preventing uneven brightness in side-light displays.

A backlight assembly light guide plate converts incident beams into collimated output via curved opposite surfaces.

Reflecting surfaces redirect Lambertian light to an arc-shaped region, resolving uniformity issues in linear illumination without increasing device complexity.

An organic and inorganic capping part seals lateral sides of a wavelength conversion layer against oxygen and moisture penetration.

An integrally configured light guide plate uses V-grooved patterns and a low-index connection layer to prevent leakage and warping.

Segmented lens portions diverge and compress LED light to enable efficient mixing over a shorter distance, reducing display panel space requirements.

An elastic spacer and pressing member maintain clearance during slide insertion, preventing LED damage while ensuring luminance uniformity.

Resin spacers absorb mechanical stress to stop LED solder cracking during vibration.

Transparent housing conducts optical signals to eliminate electromagnetic interference from electrical conductors.

Negative refracting power separates light paths from multiple output pupils to eliminate ghost images while maintaining expanded eye box ranges.

A mirror lighting assembly directs dispersed light into the glass perimeter to create a soft glow around the outer periphery.

Segmented optical channels with spherical lenses reduce cross-interference between densely packed specimens, improving measurement precision.

A backlight module adjusts LED distances to enhance coupling efficiency.

Polycarbonate resin composition with epoxy-functional additives improves light transmittance and color tone uniformity.

A backlight module uses a bent light guide plate to position the light source on the backplate rear side.

A light guiding film uses an array of prism bodies to refract and totally reflect incident light, enhancing optical efficiency.

Peripheral LED alignment eliminates color split at light guide plate edges, maintaining brightness ratio while simplifying device structure.

Variable patterns in a vehicle display limit viewing angles through electrophoresis, preventing driver distraction from side visibility.

An illumination device arranges red, green, and blue LEDs in an odd-numbered symmetric pattern along a light guide side surface to prevent color breakup.

A display panel uses total internal reflection in a protective layer to route light from a finger touch to an embedded sensor.

Recesses in the light guide mount electric elements, reducing circuit board area and improving light uniformity.

A vehicle lighting device uses a secondary hologram system with a waveguide substrate to direct illumination light toward a primary hologram.

A light-emitting module uses a bent substrate to direct point sources toward the light guide plate cross-section.

Annular protrusions on the light guide plate incidence face diffuse light to improve brightness and uniformity without increasing manufacturing complexity.

An inclined light guide directs illumination to dual panels while a reflective frame positions interference fringes away from image areas.

Monolithic pixel-level optics modulate emissive micro-pixel light directionally to eliminate bulky telecentric backlight units and reduce 3D display cross-talk.

Stacked light guide plate with multiple grating parts guides optical energy to an image sensor for pattern detection.

Femtosecond laser welding joins the housing and flexible glass film to prevent cadmium leakage while maintaining color purity.

Dual input regions and beam splitters expand the exit pupil in two dimensions, resolving non-uniform luminance and reduced brightness in head-up displays.

A sheetform optical apparatus uses a distributed lens array to collect incident light into a core material.

Cylindrical recesses and bulges on a light guide narrow side redirect coupled-in light toward flat sides for uniform emission.

A movable LED module adjusts position via elastic members to maintain a uniform gap with the light guide plate.

A tapered light guide with a bevelled mirror collimates rays from a thin end.

Segmenting the component into transmissive and plateable portions resolves the contradiction between chrome appearance and light transmission.

A stacked pinned photodiode pixel cell converts visible and infrared light into separate electrical charges within a single semiconductor structure.