Projectors TRIZ Cases

Grid test patterns enable precise blending area boundary selection, resolving manual calibration deviations in overlapping projection zones.

A projection processor corrects second projected images using feedback from a first captured image to refocus light on an aerial space section.

Two-dimensional scanning micromirror devices use resonant oscillation to direct light along non-sinusoidal paths.

A projection display device uses semiconductor lasers and an integrator illumination system to form rectangular light regions.

An asymmetric optical multiplexer uses a flipped dummy waveguide to prevent inward waveguide fall, ensuring reliable light coupling in densely packed designs.

Actuators move movie screens in multiple directions, resolving fixed screen limitations.

A lens module expands illumination beams using dual focal length assemblies to increase incident angles on integration rods.

A wheel-type optical assembly integrates a light shielding structure to protect the sensing element from diffused illumination interference.

Protruding fixing members insert light modulating devices to boost thermal contact area, resolving cooling inefficiency caused by restricted air circulation.

A first diffuser plate with anisotropic diffusion characteristics expands the light flux from a solid-state source array.

An optical scanning imaging apparatus alternates illumination and projection light to superimpose white-light and fluorescence images.

A beam splitter uses a light-transmitting substrate with distinct optical elements to align color beams and prevent leakage.

Coplanar optical path arrangement reduces system volume and shortens projection distance in laser projection devices.

Modulating projected beam amplitude during sensing periods reduces interference disturbance, thereby enhancing signal-to-noise ratio and measurement precision.

A sealing member covers the thermoelectric element to block outside air exposure.

Adjustable condenser lenses precisely align orthogonal light beams to resolve brightness and alignment precision trade-offs in projection systems.

Rotating projector shafts replace computational anti-aliasing to achieve smooth motion without increasing resolution.

An anamorphic prism assembly modifies light shape for spatial light modulator illumination.

A light source apparatus uses a polarization conversion element to separate incident light into p and s components for uniform intensity distribution.

A projector cooling system adjusts temperature thresholds based on elapsed time since power-on to manage thermal states accurately.

Dual stacked fluorescent substances balance emission spectra to resolve projector color reproducibility and efficiency trade-offs.

A control unit monitors color wheel position to shut off UV light sources when blue segments illuminate the path.

A display system recovers non-image light to maintain consistent total intensity across different images.

A heat dissipation module uses fins spaced at varying distances from side walls to optimize cooling fluid flow resistance and enhance heat exchange.

Acoustic or electromagnetic waves vibrate the screen to average intensity variations and eliminate coherent light interference patterns.

A sandwich radiator heat dissipating module circulates working fluid through opposing radiators to enhance thermal exchange.

Alternating reflecting and transmitting regions in opposing laser light source units synthesize output beams into a unified direction.

A multi-array light source system integrates blue, red, and green laser beams through specialized optical modules to enhance brightness.

A filter wheel blocking region interrupts excitation beams during specific intervals to prevent color differences in projection systems.

Rotating mirrors redirect light to a fixed telescope, reducing mass and power consumption while expanding the field of regard.

Rotating a modular light-blocking sheet on the lens circumference blocks stray light, resolving fixed-position contrast limits.

Biaxial half-wave retarders and A-plates compensate for polarization shifts at aggressive angles, reducing light leakage and improving contrast ratios.

Adjusting incident angles on a combiner filters illumination lights to combine wavelength ranges, reducing crosstalk and speckle noise.

An aspheric meniscus lens with varying radii of curvature shortens projection distance while maintaining image quality and minimizing peripheral light loss.

Segmented dustproof covers shield projector connectors, preventing dirt entry through pinholes and improving device reliability.

Catadioptric projection optical systems separate object and image planes using non-concentric mirrors and positive lenses to achieve unit magnification.

A projection device sets an imaging area to extract object images from a display surface.

An offset phosphor color foil adjusts emission times across varying light sources, eliminating dedicated foils and reducing manufacturing costs.

A light source unit reduces interference fringes in projection images by varying microlens characteristics to superpose laser beams uniformly.

A projection lens system uses a negative lens with specific refractive index and Abbe number conditions to correct axial chromatic aberration.

Three-axis deflection with compensation angles corrects surface distortions, preventing image deformation and incomplete projections on uneven support surfaces.

A light shaping optical system with free-form surface lenses forms rectangular spots with uniform illuminance distribution.

A transmissive ceramic phosphor supported by a substrate maintains a minimum 0.34 mm distance from the excitation irradiation zone to prevent stray light reflections.

Inverting the polarized light separation section to the magnification side reduces lens diameter and suppresses luminance unevenness.

A phosphor wheel calibration system uses laser timing detection to adjust rotation speed for precise color region alignment.

A laser light source device disperses beams into multiple lower-intensity paths to protect optical components from damage.

An A-pillar image projector displays blind spot video via a facet pattern area aligned with driver eye position.

A 0.3 to 9.0 μm air layer transmits fluorescence while isolating thermal stress on the optical element.

A mirror objective images the deflection unit aperture onto a projection surface to maintain optical alignment in compact laser projectors.