Projectors TRIZ Cases

Separate imaging optics position red and blue focal points within the mixing rod to resolve etendue mismatch from source size differences.

The light source optical system segments blue laser conversion into separate green and red paths to reduce phosphor temperature while maintaining high conversion efficiency.

A wavelength-converting element uses phosphors of multiple particle sizes to match excitation beam intensity.

An augmented reality light system projects virtual content onto room surfaces using high and low-resolution LED projectors.

An image deflection section divides a projection into area images and deflects them at different angles to overlap on a screen, reducing device size and cost.

Rear-mounted fans cool light source modules through perpendicular airflow paths, reducing noise by 2-3 dB(A) while minimizing device volume.

A wavelength conversion module uses a silicone-free phosphor layer on a reflective substrate to convert blue laser light into visible colors.

Synchronized infrared projections energize suspended particles in a volumetric display, resolving low resolution and translucent image issues.

A scanning optical system uses a convex to-be-scanned surface to form an intermediate image.

A light absorbing element captures stray light beams exiting a prism device in projection modules.

A transparent display projection system alternates a light source and electrically-controllable screen between opaque and transparent states to scatter emitted light.

Adjustable fan speed reduces acoustic noise during projector cooling cycles while maintaining effective heat dissipation.

Elastic holder presses converter against substrate to prevent breakage from thermal expansion differences.

Stacked polarization separators and phase retarders align light fluxes without small-interval converters, enabling compact projector designs.

Low incidence angles on a coated surface combine modulated beams without glue, reducing energy loss and improving reliability.

A projection system captures user images to detect interaction states through shadow and brightness analysis.

A dual light source illumination system guides visible and pure infrared beams to a shared image-forming subsystem.

Segmented power supply allows lens detachment without restart, reducing energy waste and time loss.

Chamfered spacer surfaces capture excess adhesive, resolving the contradiction between module footprint and light-tight seal reliability.

Asymmetric lens arrays homogenize excitation light on phosphor wheels, reducing heat generation and power consumption in compact projectors.

Segmenting flow paths along wireless module surfaces cools components efficiently, reducing size and noise without increasing fan speed.

An optical system using free-form surfaces on multiple lenses suppresses lateral aberrations while achieving a screen width magnification ratio of up to 1.35.

Segmented annular areas on a rotating wheel convert laser beams via phosphorescence, resolving the trade-off between high output power and device complexity.

A projection lens uses a reflector to bend optical paths between negative and positive lens groups.

A projector adjusts luminous flux based on distance sensor data to maintain target brightness.

Alternating fin pitches reduce air resistance while maximizing surface area, enabling efficient cooling of multiple components within compact devices.

Asymmetric protrudent bodies with smooth viewer-facing surfaces resolve the trade-off between reflection intensity and floating image clarity.

Mirror arrangement directs light through a holographic diffuser for gesture detection, eliminating specialized glasses while maintaining system complexity.

Asymmetric reflector ports reduce air resistance at the discharge side, lowering fan power consumption while maintaining light-emitting tube temperature.

An air guiding structure directs flow through a projector optical element to remove heat without adding external components.

A vehicle display device rotates a reflecting member to adjust the reflection angle of display light toward a windshield.

Blue light excites organic contaminants on microelectronic circuits to generate visible fluorescent feedback for non-destructive inspection.

A dual reflector light source device expands the pitch between parallel output beams through a multi-dimensional reflection path.

A tilt mechanism adjusts an optical compensation plate to align its slow axis with liquid crystal pretilt, compensating for phase differences.

A holding mechanism for projector image display elements uses a screw hole protrusion to absorb tightening stress.

An elliptical light-shape adjusting element prevents stray light overlap to maintain image contrast and high extraction efficiency.

A controller calculates rotation data from captured images to orient multiple projected displays.

A projection device uses a mecanum wheel position adjustment module to move the imaging unit for precise image placement.

A collimating system directs principal rays to distinct positions on a rod lens surface for uniform light collection.

Low melting point alloy bonding prevents thermal expansion mismatch cracking and adhesive scorching, ensuring stable light conversion.

Segmented carrier subareas enable color temperature adjustment via mechanical alignment, eliminating complex electronic control required for multi-LED systems.

Segmenting the heavy power source from the projection body reduces load on the support mechanism while enabling wide-range angle and position adjustments.

Free curved lens and mirror correct trapezoidal distortion while tilting the virtual image plane.

Aspherical optical element modifies blue light field curvature to achieve uniform illuminance distribution across the image forming region.

A light source drive device controls pixel-by-pixel brightness using divided frame periods to align input-output characteristics with a reference gamma curve.

Hybrid wire grid polarizing element uses inorganic substrate and organic grid to dissipate heat while maintaining polarization splitting properties.

Modular frame segments with universal mounting interfaces resolve assembly complexity while maintaining image stability.

Segmenting the screen into a translucent diffuser and a dark second element resolves low black luminance while maintaining high white brightness.

A lens barrel uses a cam mechanism to move non-circular lenses along the optical axis.

Asymmetric shaft rigidity balances torsional angles in lightweight frames, improving durability and precision.