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.

A light intensity control element blocks stray light between homogenizer and collection optics.

Correction unit adjusts light quantity based on relative luminosity changes to maintain stable white balance despite temperature-induced wavelength shifts.

Synchronizing second blue light pulses with green light drive signals increases brightness by 40% without affecting color saturation.

An illumination device multiplexes modulated first light with second light entering a fly-eye lens within the optical path.

A projector system adjusts retardation plate rotation and light-emitting element brightness to maintain color balance.

A projector uses multiple detection light irradiation sections to enhance pointing element contrast.

A tilted light transmissive substrate induces astigmatism to overlap adjacent color pixels in a projector display.

Segmented apertures shape sinusoidal beams from simple gratings, resolving the trade-off between device complexity and measurement precision.

Dichroic unit splits blue light to recycle waste energy, increasing utilization rate without complex optical path changes.

Orthogonal securing members position the light valve on a prism, eliminating thermal distortion and improving shock resistance.

A projection apparatus uses a light sensing unit to detect color beam intensities and control the light source.

Integrated phosphorous flame retardants in the polymer matrix maintain optical clarity while meeting Class B fire standards.

Dual-sided fluorescent plates guide green fluorescence from blue lasers to balance color intensity and reduce speckle artifacts in projection displays.

Segmenting optical paths via a wavelength selective polarization splitter prevents blue light contamination in fluorescence generation, enhancing brightness.

An image relay device converts laser light to convergent beams and back to parallel light for direct retinal projection.

Segmented contact holes in interlayer insulating layers connect scanning lines to transistors, suppressing optical leakage currents from incident light.

A visual presenter camera lens uses a rotating reflective module to switch between learner and study material photographing modes.

A textured simulation panel using cast resin eliminates the glossy digital appearance of projected images.

A color combining prism unit merges modulated light beams using dichroic coatings and air gap faces to create a projection display.

A projector uses a segmented collimator lens and dichroic optics to manage solid-state light beams for uniform illumination.

Filling phosphor wheel slots with transparent material eliminates wind-cut noise and improves heat dissipation efficiency.

A projector lens module uses sliding components and a position adjustment device to move the lens plate precisely.

Stacked heat-dissipating fin assemblies direct airflow to balance thermal output, resolving temperature inconsistency between light source modules.

A multi-projection system projects synchronized images onto coated interior surfaces to create immersive 3D environments.

Rotating transmitting unit directs synchronizing signals regardless of projector tilt, eliminating external cables and complex handling.

Segmented lens parts correct asymmetry in all-in-one laser diode arrays, boosting wavelength conversion efficiency without adding volume.

A projection apparatus determines target regions for graphic display based on acquired image characteristic values.

A micromirror guiding device constrains drive element movement to a straight line, eliminating z-direction oscillations that deform carrier structures.

Staggered lens groups incline the optical axis to reduce image field distortion and lower weight in head-up displays.

Gaze detection sensors measure pupil positions to dynamically adjust optical axes, eliminating visual discomfort from inter-pupillary distance misalignment.

A projector and camera system traces a path to define arbitrary projection regions.

A rotationally asymmetrical collimator lens converges wide-angle light emission from an LED die into a directional beam.

A shock absorber sandwiches a frame with a buffer element to reduce vibration transmission from rotating color wheels.

Rollers distribute mechanical tension evenly across holographic foil edges, preventing slippage and vibration that degrade projection clarity.

Segmenting focus adjustment into independent back and corner mechanisms resolves large-angle defocusing in short-throw projectors.

A lens adjusting mechanism uses a leaf spring assembly to position optical components relative to each other.

Up-converting particles embedded in optical fibers emit visible light when excited by GaAs-based semiconductor sources.

A head-up display hot mirror selectively suppresses the P-polarizing component of visible light to protect optical elements.

Time-sharing control synchronizes excitation light cycles with luminescent wheel rotation to prevent material overheating and maintain stable luminance.

Segmented adhesive zone applies high-viscosity edge bonding and heat-resistant central bonding to prevent organic silica gel burning under thermal stress.

Recessed shaft cross-section disperses torsional stress to resolve rigidity and torque trade-offs in projector movable sections.

A light emitting device converts excitation light into wide-spectrum radiation and splits it into monochromatic beams.