Planar/Plate-Like Light Guides TRIZ Cases

Segmented adhesion assembly maintains light guide plate position relative to the light source exit face, preventing luminance loss from thermal deformation.

A backlight module integrates a convex lug on the light guide panel into a middle frame groove to block direct light emission.

An anti-contact protrusion on the bottom chassis spaces a mold frame from the optical sheet, preventing mechanical stress damage.

A flexible light guide plate paired with a support member maintains constant spacing between the light source and incident surface.

A liquid crystal display light guide plate uses a tilted reflective polarizing plate to redirect S-polarized light for reuse.

A semi-transmissive film and reflecting device redirect light beams into a light guide plate to eliminate dark areas and improve uniformity.

Diffractive in-couplers and expanders route light through the guide to project virtual images, reducing eye adjustment latency.

Fixing protrusions on the metal printed circuit board engage panel guide recesses to prevent separation from thermal expansion and light leakage.

A light guide plate uses layered scattering particle concentrations to diffuse incident light and reduce return loss.

High refractive index lead-free glass light guide plates widen viewing angles and improve color reproducibility in head-mounted displays.

A laterally offset lens focuses light onto a planar grating that redirects the beam into a waveguide, resolving stringent alignment constraints.

Vertical LED sides mate with light guide in-coupling surfaces to distribute illumination uniformly, eliminating hot spots in camera modules.

A light-absorbing layer adjusts green and red light intensity relative to blue light in a display device optical assembly.

A diffusion layer on LEDs expands light distribution angles to transition point sources into line sources for uniform backlight emission.

A backlight unit uses an optical switch to direct collimated or diverging light for display mode selection.

Light guide plate recesses with perpendicular arrises redirect light beams to achieve uniform illumination across the display area.

A symbol illumination apparatus uses a lens sheet and diffusion sheet to create even light distribution through the transparent member.

Tailored glass substrate composition minimizes background noise from auto-fluorescence, improving signal clarity in fluorescent detection methods.

A solid-state luminaire uses a light guide and reflector to direct light within specific angular ranges for uniform illumination.

Segmented illumination sources behind the panel eliminate spatial resolution loss and image flicker while maintaining high brightness.

An electrode pair tunes a switchable grating to direct light toward an optical dump, replacing bulky mechanical dimmers in head-mounted displays.

Recesses on inclined light guide portions prevent premature light exit and hot spots, increasing backlight assembly efficiency.

Snap-fit optical plate structure replaces adhesive tape to resolve assembly speed and reliability trade-offs.

Bent metal boards mount LED packages to improve thermal conduction, reducing the number of required LEDs while maintaining luminous flux.

A light diffusing lens integrates a flange with a sheet escape recess to accommodate reflection sheet expansion and maintain precise optical alignment.

A diffractive optical waveguide couples light into a single substrate using asymmetric grating placement to expand pupils for both eyes.

Flat optical element shapes red green blue light emitting chip arrays into discrete spots for compact near-eye displays.

Segmenting the waveguide into distinct core and nanophotonic layers improves light outcoupling efficiency while maintaining high transparency and homogeneity.

Volume holographic gratings reflect light about non-normal axes to expand the field of view while maintaining optical clarity in head-mounted displays.

A backlight apparatus uses a peripheral yellow phosphor layer to enhance light emission from quantum dot phosphors.

Integrated chassis frame merges mold and support functions to reinforce liquid crystal panel assembly while resolving thickness constraints.

A positioning structure rigidly constrains a light guide panel toward the source while buffering lateral thermal expansion.

A conductive member with a grounding protrusion dissipates static electricity from optical components, preventing short circuit defects during assembly.

Staggered middle and front frame holes enable direct air convection, bypassing inefficient thermal conduction paths to protect liquid crystals from overheating.

Polar coordinate reflective surfaces in the backlight module redistribute light from point sources, eliminating dark regions and ensuring uniform brightness.

Peripheral LED arrangement distributes emitted light uniformly, reducing color shading and absorption losses in liquid crystal displays.

A backlight prism structure directs light rays into a predetermined viewing envelope to control angular distribution.

Placing quantum dot blocks in cavities on the light guide plate achieves light uniformity, reducing backlight thickness and improving structural flexibility.

A waveguide imaging assembly guides infrared light via total internal reflection to an optical sensor for precise eye tracking.

A lighting arrangement uses a single exit surface to guide light from multiple coupling sections, reducing installation space.

A liquid crystal display modulates light direction using voltage-controlled refraction and a reflective layer to manage optical paths.

PCB protrusions engage LGP fixing grooves to accommodate thermal expansion, maintaining uniform incident light distance for consistent display quality.

A lightguide overlaps the personalized area to detect tampering via optical coupling, resolving reliability versus manufacturing complexity.

Partition walls in a light conversion sheet block light diffusion between quantum dot sections, improving contrast ratio for local dimming applications.

A segmented light guiding plate joins an injection-molded flat portion with a heat-formed spherical resin sheet to illuminate curved displays.

Segmented micro-mirrors redirect extracted light to maintain contrast against ambient reflections without sacrificing efficiency.

Segmenting the light guide plate into parts with different thicknesses reduces weight while maintaining structural strength against warp or breakage.

An exit pupil expander homogenizes light distribution to resolve under-filled pupil issues in near eye displays.

An integrated optic design merges a compound parabolic concentrator with a tilted wedge to collimate light from an LED die.

Angle sensors detect actual light ray deviations from designed paths, enabling control subsystems to correct pixel placement and reduce image distortion.