Projectors TRIZ Cases

A projection apparatus uses a fly's eye integrator to uniformize energy intensity distribution across the image beam.

A projection system rectifies images using dynamic keystone correction parameters derived from depth data.

Varying cell shapes in the fly-eye lens reduce optical path losses and simplify the projector structure, lowering manufacturing costs.

A monolithic beam combiner uses a solid transparent volume with integrated planar and dichroic reflectors to aggregate laser light beams.

Varying the rotational speed of a rotary diffuser minimizes visible speckle artifacts by moving brightness variations beyond human visual detection thresholds.

A tunable lenticular screen uses individually addressable meta-material elements to dynamically control light reflectance and pixel-based grayscale.

Dual-wavelength red and blue modules balance energy proportions to reduce thermal saturation and improve color rendering in projection devices.

A light recycling system redirects non-projection light back to a spatial light modulator to enhance projection image brightness.

Elastic fixation members press support members against substrates to stabilize fluorescence intensity and prevent phosphor damage from dimensional errors.

Inclined laser axes prevent beam spread from irradiating adjacent units, suppressing stray light while enabling compact multiplexer spacing.

A projection apparatus adjusts light source emission timing during spoke periods to maintain color balance.

A projector optical path changer uses a swingable frame and elastic vibration absorbing member to redirect image light.

Rear-end light reception in a single-package MEMS micro-mirror device eliminates parasitic interference and precise alignment needs.

Segmented substrate regions balance energy density and color performance in projection apparatuses by directing excitation beams to independent zones.

A cover part conceals the rotary shaft of an adjustable projector leg, resolving the conflict between inclination versatility and appearance quality.

A projector illumination device adjusts light emission from multiple regions to change angular distribution.

An integrated projection system displays touchless interfaces on surfaces parallel to the device, eliminating screen contamination risks.

Periodic power increases prevent photo-darkening and glass tube explosion while maintaining energy savings.

A lens frame notch redirects reflected light to widen projection angles while preventing shielding from the cam barrel.

Tendon profiles tension a flexible projection cloth on a concave frame, preventing wrinkles while enabling compact rolling storage.

A shadow fairytale projector combines a lens module with a drive mechanism to rotate film packs for visual output.

A compact light source apparatus combines blue and yellow light to produce white illumination.

Phase difference elements with R<λ/4 suppress orientation disorder while preventing light leakage from side surface reflections, maintaining contrast ratio.

A Fresnel lens projection curtain uses a flexible thin film substrate to reduce weight and improve handling convenience.

A segmented projection lens combines refractive and reflective surfaces to form intermediate images while maintaining a compact optical path.

A projector with a movable optical engine adjusts screen size without relocating the device.

A projection lens increases the diverging angle of virtual input element images to enable shorter projection distances.

Nested heat exchangers reduce projector volume by embedding cooling components within the exterior housing structure.

A phase-modulating spatial light modulator redirects illumination from dark to bright areas in holographic projection systems.

Segmented adhesive zones isolate silicone from light paths, preventing deterioration while maintaining bonding strength.

A head-up display projection lens generates reverse chromatic aberration to offset positive aberration in the image light transmission module.

A display apparatus separates file selection candidates from computer drawing screens to suppress unwanted information during presentation setup.

A micromirror control device generates distinct frequency signals to distribute actuation energy across tilt axes.

An antireflective plate covers the display and frame areas to unify optical characteristics.

A rotating polarization element and reflective surface modulate excitation light beams to generate varying polarization states.

A projection apparatus registers initial keystone correction values and monitors subsequent user adjustments to detect structural changes in the device housing.

Segmenting LEDs into a scanning module reduces power consumption and manufacturing complexity compared to static panels.

A projection screen with a translucent layer diffusively reflects light to create a luxurious visual appearance.

Positioning a glass plano-convex lens after plastic elements reduces de-centration tolerance requirements and lowers manufacturing costs for miniature cameras.

Segmenting the optical path into multiple emitters and lenses reduces light scattering from contaminants on individual lenses.

Adjustable aperture stop controls light amount to resolve drive circuit complexity and glare trade-offs.

A wavelength conversion member with optimized phosphor-to-binder volume ratios and controlled layer thickness improves fluorescence efficiency.

Six-lens projection optical system reduces total volume by removing light combiners while maintaining telecentricity and high light efficiency.

Segmented Fresnel lenses reduce beam distribution changes to eliminate dark peripheral portions in projected images.

Engineered optical element surface roughness scatters coherent laser beams to reduce speckle noise.

A light source device positions a collecting system focal point inside a wavelength conversion layer to distribute excitation light entry across multiple surfaces.

An instruction projecting device generates visual guidance images on parcels to direct worker actions during high-volume distribution.

A projection lens carrier uses elongated apertures and buffer members to lock the lens while absorbing shocks.