Projectors TRIZ Cases

A view angle control sheet uses trapezoidal lens portions and wedge-shaped sections to direct diffuse light toward the observer.

A light source module uses a wavelength conversion wheel to transform blue light into green light alongside a red source.

Segmenting the fluorescent layer into distinct color gamut zones balances spectral coverage with luminance efficiency in projector light sources.

A projection lens moves a correction group along the optical axis to adjust focus.

A divided dust-proof case houses the illumination optical system with integrated positioning and mounting features.

A projection illumination system uses a filter module with a light passing-through area to output excitation light directly.

A projector optimization system generates a model from test images to calculate an optimal scanning path for laser mirrors.

Coordinated liquid crystal devices resolve slow transition times and image crosstalk in time-multiplexed stereoscopic projection systems.

Porous boss structures enhance thermal conductivity and heat exchange efficiency for DMD chips in projectors.

Spatial multiplexing combines laser beams via broadband mirrors, eliminating complex dichroic mirror coatings that increase manufacturing costs.

A laser projection apparatus uses heat pipes and a vibrating lens to manage thermal output and enhance image resolution.

Complementary hooks stretch to shape the display medium on an inflatable structure, reducing manufacturing complexity for variable dimensions.

A plate-shaped optical device uses a planar magnetic field guide layer to replace protruding yokes, enabling thinner electromagnetic actuation.

Alternating reflecting and transmitting regions in the combining component merge optical paths to reduce volume while maintaining illumination efficiency.

A light source device uses a polarization separation element to combine converted illumination light.

An optical-path length converter with a polarizer and mirror folds the light trajectory, reducing apparatus thickness while maintaining projected image size.

A phase difference element uses an interface anti-reflection film group to minimize light reflection at the substrate interface.

A projection device uses two micro LED panels and a single color combiner prism to generate image light.

A light source module uses a static diffusion plate to improve illumination uniformity without mechanical drive components.

Segmenting the module with varied binding materials balances manufacturing costs against heat resistance requirements.

A segmented mirror guides excitation light to a phosphor wheel while transmitting fluorescent light, reducing optical components and minimizing loss.

A rotating diffuser randomizes coherent light phase and spatial location to uniformize laser projection images.

Half-wave plates rotate blue and green beam polarizations to match the red beam, eliminating color cast phenomena in projected images.

A dedicated heat dissipation wind flow device cools condenser lenses, preventing overheating from concentrated light.

Fluorescent patterns on vehicle windows illuminate with ultraviolet light to display symbols, reducing system cost compared to laser-based displays.

A retro-reflective screen uses oriented elements to reflect projector light toward viewers, increasing image brightness and uniformity.

A one-piece imaging lens directly images divergent light from a source using convex entry and exit surfaces.

Segmented sources and a buried numerical aperture expander maintain intensity while expanding the field of view.

Adjacent reflecting surfaces combine illuminating beams along a single direction, reducing overall size while maintaining high light emission efficiency.

A scanning laser projection module uses a beam-deflection system to steer light between separated components.

A wedge-based adjusting module moves optical elements via elastic members and a screw-driven adjuster.

A projection device modulates color gamut range using a segmented phosphor wheel excited by laser light.

Integrated annular optical element merges reflection and transmission functions to reduce projector size and minimize beam scattering losses.

A projector driver generates common and pixel voltages to modulate light modulation elements via pulse width modulation.

A projection device adjusts image position and size to avoid overlap with other projected images.

A projection display device uses a switch unit and micro-scanning mirrors to direct light beams across multiple surfaces.

Positioning the drive section on the phosphor layer side shields stray light, preventing projection flare while maintaining condensing efficiency.

A vapor chamber heat dissipation module uses cyclic fluid evaporation and condensation to transfer thermal energy from light-emitting sources.

Separate polarization separators and retarders convert light fluxes without small-interval converters, reducing projector size.

A projection device adjusts color sub-image brightness ratios to compensate for varying deflection efficiencies in volume holograms.

A micro-projection system uses a μ-LED array with integrated collimation structures to generate high-efficiency imaging output.

An inclining section expands cross-sectional area to guide polarized light, while a 3 μm air layer prevents leakage between the exiting surface and panel.

Segmented sidewall and zenith projectors provide continuous image coverage across the dome surface, eliminating viewer shadows during free movement.

Liquid lens projector module uses transparent cooling liquid to dissipate heat from LCD light valves.

A bubble generation system tracked by an infrared camera creates a dynamic projection surface on liquid.

An electronic pen generates virtual code patterns to complete undetected portions of a detection area.

Symmetrical incidence on the uniformizing element resolves asymmetric blue light entry that degrades projection color uniformity.

A laser display apparatus uses stored conversion tables to correct non-linear current-light output characteristics for accurate color reproduction.

A laser scanning video projection device controls emission timing and scanning angles to project bright images.