Projectors TRIZ Cases

Modulated projection light enables touch and gesture detection without separate sensor modules, reducing optical system size and reflection issues.

Blue-light reflection and polarization alignment improve light use and illumination uniformity in compact HUD display light sources.

Local heating welding joins the metal ring and cover plate to improve sealing while avoiding thermal damage to laser light-emitting chips.

Projects rear lateral images onto the road surface to widen blind-spot visibility, improve driver communication, and reduce side-part size.

A lookup table links mirror swing positions to projection points, correcting RGB shift after assembly and improving image sharpness in compact displays.

Controlled aluminate phosphor crystallite size and composition improve LED light intensity, color purity, and dispersibility in resin.

Magnetic attraction between the projector housing and sleeve enables quick attachment and removal while maintaining reliable protection.

A solder bond to a metal heat sink improves heat transfer in optoceramic phosphors, preventing cracking under high-power laser pumping.

A reflective polarizing layer and diffuse reflector let the LED emit polarized light, cutting LCD polarizer loss and improving extraction.

Visible laser control forms weak plasma pixels in air, balancing scattered light and plasma brightness for quieter full-color indoor imaging.

A dual-projector HUD uses local bright vector highlights over a digital image to improve visibility while reducing glare, weight, and energy use.

Controlled light-diffusion particles in a thermoplastic resin film improve laminated glass screen color reproducibility while preserving brightness and transparency.

Separated photonic crystal regions preserve resonance and directional emission while reducing scattering loss, threshold rise, and slope-efficiency drop.

A curved reflector and cylindrical lenses combine RGB beams into collimated output while cutting optical combiner size and weight for AR/VR.

Blue-to-green wavelength conversion cuts green laser demand while preserving wide color gamut and lowering speckle-related projector cost.

A retractable screen built into the front trunk closure adds cargo access and video display without blocking lid movement.

Stepwise charge sharing lets a MEMS mirror driver cut tank capacitors, reducing power dissipation, switches, and circuit area.

A finned bottom cover cools the HUD through conduction and convection while sealing the optical path against dust entry.

A segmented p-type AlGaN layer lowers in-plane refractive index to confine light, cut leakage, and preserve current injection.

A segmented metal-insulator-metal relay layer enables deep contact-hole etching while preserving the conductive path to the pixel electrode.

A crystal-orientation discontinuity layer and masked growth block threading dislocations while preserving light emission efficiency in nanocolumn emitters.

A heat conductive layer beneath the reflective layer improves projector phosphor-wheel cooling and conversion efficiency without costly hard substrates.

A porous ventilated blade on a rotating phosphor wheel creates micro-vortex airflow to cut light-spot temperature and sustain projector brightness.

A light control layer switches haze and screen gain to keep projected images visible outside while preserving clear outward views from inside.

Split phase compensation between a pre-correction optic and holographic combiner reduces aberrations, shortens the optical path, and improves AR image quality.

A photo detector and controller vary projected image brightness with ambient light to keep ground markings visible while cutting energy use.

Micro-vortices from a roughened non-ventilated blade improve phosphor layer heat dissipation and sustain projector brightness at higher power.

A tapered anode chip with a second incline focuses the electric field to limit arc drift, maintain illuminance, and extend projector lamp life.

A hybrid inorganic-organic wire grid uses tapered ridges and partial metal wrapping to improve heat dissipation and oblique-angle polarization.

A non-uniform laser chip layout lowers center heat buildup, protecting junction temperature while preserving projection luminance and color uniformity.

Dichroic optics split and recombine two phosphor spectra to add red content, maintain brightness, and improve thermal management.

A tapered anode chip with a second inclination angle concentrates the electric field to limit arc shift and reduce start-up failures.

Integrated collimation and beam homogenization inside a sealed laser source improves beam uniformity, heat dissipation, and compactness.

Stepped conductive member heights match uneven nanocolumns to prevent junction-down contact failure while supporting multicolor light emission.

An inorganic interstitial layer with tuned thickness reduces phosphor-wheel warping and improves heat transfer to sustain projector brightness.

Concave surface features on phosphor particles improve excitation-light absorption while letting more fluorescence escape for brighter wavelength conversion.

Aromatic polyimide reflective layers cure at 200-300°C to cut pore formation, moisture uptake, and brightness degradation in laser projection.

Sequence signals sent through the power circuit let a projection apparatus switch image content without manual replacement, improving user convenience.

A diffuser and segmented reflector expand head-up display field of view while preserving brightness and image stability at lower power.

A conductive plate links the LCD emission surface to an external heat sink, improving HUD cooling without increasing housing size.

A cholesteric liquid crystal layer with a λ/2 phase layer suppresses windshield double images while keeping HUD reflectivity and transmittance high.

Beam multiplication films split laser light into similar-intensity beams, improving structured light safety and 3D sensing precision.

Two light sources and a reflective optical path widen display light output range while avoiding bulky high-current drive electronics.

A ratio-tuned LED matrix and multi-reflection prism improve HUD luminance uniformity, producing clearer windshield images.

Reflectors and polarization combining shrink laser beam spacing without afocal optics, cutting projector light source size, cost, and heat.

Segmented strain sensor elements detect pixel-area strain to estimate liquid crystal thickness changes and prevent display luminance unevenness.

Controlled anodized surface roughness on the pressure ring strengthens balance weight bonding and prevents phosphor wheel imbalance at high speed.

A rotatable projector uses 3D interior sensing to align images across more vehicle surfaces without adding extra projectors.

A transflective, retroreflective, and diffusing light path expands HUD image size and field of view while improving brightness at lower power.

A light-diffusion layer separates the LCD panel from the heat-transfer member to preserve heat dissipation while reducing interference and uneven display.

Optimized telecentric projection lens suppresses chromatic aberration of magnification at half angles exceeding 40 degrees.

Optical module pixels use area ratios to maintain display quality despite bonding misalignment.

An imaging displacement module uses a vibrating carrier with elastic torsion to eliminate net-like black areas in projection apparatuses.

A wavelength conversion device uses a reflective layer with varying thickness and particle concentration to enhance optical reflectivity.

Rotating phosphor wheel fins induce radial airflow directly into a circumferential heat exchanger, removing heat without separate fans.

A vehicle projection system displays external patterns using windshield optical control and synchronized multi-vehicle networks.

Retardation films and a birefringent substrate manage reflected light in projectors, suppressing ghost artifacts while maintaining high ANSI contrast.