Projectors TRIZ Cases

A beam deflector element and pseudo-surface light source scatter laser illumination to eliminate speckle noise while maintaining high light usage efficiency.

Time-division multiplexing of multiple color light sources increases image brightness without raising power consumption or heat generation.

A dual-wavelength laser light source emits narrow band beams with specific spectral separation to modulate image data.

A depolarizing plate converts polarized laser light to unpolarized light before the projection optical system.

A rotatable connection mechanism orients a projector main body relative to an image output device, improving operation when installed away from the user.

A projector optical system uses an overlapped lens module to superimpose integrated light on the LCD light valve.

A color wheel design uses recessed segment edges to engage hub pegs for precise self-alignment during assembly.

Rotating the second convex lens creates dynamic 3D patterns, resolving aesthetic fatigue from static lighting effects.

A reflector folds the optical path to enable diagonal projection in a compact apparatus.

A dust-proof substrate mediates stress between a holding member and an electro-optic panel to reduce color shading.

Symmetrically disposed conversion and penetration regions on a substrate improve heat dissipation and brightness in projection apparatuses.

A light homogenizing module uses a shielding element with reflection portions to redirect unnecessary light away from the optical path.

Automated cam rollers replace manual slide knobs to open and close louver boards, eliminating cumbersome user operation.

An illumination system splits excitation beams by polarization to direct light through distinct filter areas, stabilizing the optical path.

Independent correction mechanisms move distinct lens groups along the optical axis to compensate for temperature-induced back focus and field curvature shifts.

A polarization conversion system separates unpolarized light into orthogonal states and directs them through distinct optical paths to form overlapping images.

A circulatory air channel guides cold air from a thermal exchanger toward a phosphor wheel, preventing deterioration caused by high temperatures.

A phosphor composite with a high-refractive-index matrix reduces excitation light backscattering and reabsorption losses to improve light extraction.

Aligning the light source, prism, and lens linearly eliminates wasted margin space from perpendicular arrangements, reducing overall size.

Optimizing source region boundaries on a phase modulator creates high-luminance light fields while reducing computational complexity.

Separate heat insulation and dissipation regions on the rotating plate block thermal degradation of balancing substances, extending projector service life.

Adjustable beam duration ratios compensate for differential phosphor aging rates, maintaining white balance without mechanical color wheel replacement.

Tubular body with diagonal communicating ports directs cooling air toward the arc tube upper section for efficient heat removal.

A display projector uses a sweeping mirror and selective light emitter control to project pixels with variable density across the image plane.

Rotationally asymmetric transmission surfaces enable optical path folding in projection systems, maintaining path length while reducing device volume.

A light source module uses a wavelength conversion wheel to generate green light from blue illumination.

Real-time temperature feedback adjusts cooling capacity to prevent phosphor wheel overheating and preserve excitation efficiency.

A single blower divides airflow to cool multiple wavelength converters, reducing component count while maintaining luminous efficiency.

A wavelength selective element controls laser beam penetration via incident angle to combine light paths without polarization splitting prisms.

Replacing glass with a crystalline quartz substrate eliminates adhesive layers to resolve thermal dissipation bottlenecks in liquid crystal projectors.

Segmented motors and a disengageable engagement member allow the screen to extend beyond the housing height without increasing structural complexity.

Separating heat-generating control units onto a distinct substrate stabilizes display element temperature and reduces wiring complexity.

An asymmetric trapezoidal polarizing beam splitter absorbs stray lateral image light to eliminate ghosting artifacts on the screen.

Spectrally separated filters in a rotating wheel redirect blocked light to the complementary channel, resolving color accuracy versus light loss trade-offs.

A cross-shaped reflector arrangement symmetrizes flare distribution from multiple laser sources in projection illumination systems.

Unified correction processing detects measurement patterns from multiple projectors to adjust alignment precision.

A crystal phosphor waveguide generates luminescent light from a laser array and directs it via a compound parabolic concentrator.

Acoustic feedback mechanisms in remote controls replace visual indicators, allowing operators to monitor scenes while receiving reliable status alerts.

A wavelength conversion element uses an adhesive layer with varying density portions to balance the rotating plate centroid.

Segmented gobo frames with optical codings use rotating interference patterns to reveal specific images, overcoming single-orientation display limits.

An air gap between the wavelength conversion section and substrate prevents fluorescence absorption.

A projector system uses visible blue light for detection to allow an imaging section to distinguish the signal from image light.

An integrated light pipe uses planar reflectors to fold the optical path between transparent plates, extending the effective length within a compact footprint.

A projection lens integrates a deflecting prism with freeform surfaces to redirect light paths for oblique imaging.

Dual light combining modules merge multiple beams into a single exciting beam, reducing assembly complexity while increasing brightness.

A compressible auxiliary element secures the projection screen within the perimeter frame groove to maintain uniform tension.

A tapered through hole converts adhesive thermal expansion into downward reaction forces to fix the prism position.

A projection indicator generates directional arrows on parcels to guide workers through automated sorting tasks.

Replacing multiple color wheels with one fluorescence wheel reduces energy loss and spoke light artifacts while maintaining wide gamut color performance.