Projectors TRIZ Cases

A circumferential angle adjustment device aligns cylindrical lens generatrices using a screw-driven cam mechanism.

Curved theater entrance video walls synchronize with spatialized sound to guide patrons through the venue while overcoming traditional design limitations.

Separate air pathways cool heat-generating components without circulating dust into the projection optical unit, preserving image purity.

A zooming projection method adjusts lens position or scales images to maintain constant picture size across varying distances.

A single biconcave lens replaces complex optical assemblies to collimate reflected light, reducing device complexity while increasing source brightness.

A detector verifies the exit pupil enlarger presence on the optical path, stopping the light source drive unit when absent to prevent excessive laser intensity.

A switching control valve manages light flow between a guide plate and projection lens.

A projection display apparatus uses a light-masking unit with array lenses to control illumination distribution across the image area.

A conjugate illumination system recycles polarized light using a bisected condenser and reflector to boost projector brightness.

A spectral member with wavelength-selective coating prevents stray light exposure to optical devices, extending service life.

A projection apparatus uses a deflection member to redirect light along an intersecting optical axis, reducing overall device size.

A projection system restores its calibrated state by combining sparse camera measurements with stored reference geometry.

A light source device uses a scattering layer on a color wheel to combine supplementary and excited light, reducing energy loss while expanding the color gamut.

Integrated metal plate shields electromagnetic radiation while conducting heat to fan exhaust duct, reducing local overheating.

Separating power supply and signal wires into distinct layers simplifies the wiring structure, easing projector assembly.

Cyan and yellow phosphors replace inefficient red phosphors, boosting conversion efficiency and expanding the color gamut in projection systems.

Time-multiplexed stereoscopic projection system uses uniaxial lenses to minimize optical path-lengths.

Optical steering elements direct mixed resolution streams to the retina, reducing screen-door effect without uniform pixel density.

A runtime distorter component pre-calculates and applies geometric transformations to graphical objects projected onto irregular curved surfaces.

Controller synchronizes phosphor wheel rotation with light emission to eliminate flickering during rapid projector startup.

A single light collecting rod integrates multiple incident and reflecting surfaces to merge light beams from separate sources into one uniform output.

Segmenting the color wheel into a replaceable unit with a quick-release connector reduces maintenance complexity while preserving optical performance stability.

Asymmetric columnar structures in the metasurface reduce interface reflection while maintaining precise optical phase modulation.

Offsetting optical path length differences for obliquely incident light improves angular characteristics without sacrificing vertical optical properties.

A gobo projector mounting assembly adjusts the gobo plane inclination relative to the optical axis.

Delaying image portions across successive tiles synchronizes laser scanning to eliminate the stair step effect in moving objects.

Periodic modulation along metal wires reduces s-polarized leakage, resolving low contrast limits in conventional wire-grid elements.

Segmenting concentrated laser light via a lens array prevents fluorescent powder damage from heat buildup while maintaining high conversion efficiency.

Integrated biaxial O-plate and uniaxial C-plate compensate pre-tilt and oblique light phase differences to restore contrast in vanishing angle mode displays.

Single projector housing consolidates multiple optical engines to project seamless panoramic images onto circular screens.

Conductive material distributed on convex portions of a concavo-convex substrate structure reduces brightness variations with viewing angle.

A light distribution adjusting member redirects excitation light to enhance in-plane uniformity across the luminescent material surface.

Rotatable ring structures enable a wearable projection device to direct images across multiple orientations.

A head-up display uses a retractable combiner and two deviation mirrors to adjust projection distance.

Sequential lighting of segmented phosphor regions prevents localized deterioration from concentrated laser irradiation while reducing device size.

Image generation unit adjusts brightness levels in overlapping projection regions to maintain uniform gradation across the display surface.

Projecting content onto the rear face doubles the available display surface area without requiring costly panel replacement or regulatory changes.

Inclining the maximum-light-intensity direction resolves contrast degradation from oblique viewing angles in head-up displays.

A blocking unit on a mirror member partially blocks light from the source to prevent stray light interference.

A microfabricated light collimating screen uses high aspect ratio transparent columns to channel light in two dimensions simultaneously.

A light source module combines a blue laser and an adjusting light source to modify the blue beam chroma for projection applications.

A dual-path illumination system uses segmented blue light sources and a wavelength converting element to enhance optical quality in projection devices.

Sector carrier with inner and outer ramp frames enables independent module disassembly for maintenance access.

Dynamic mirror movement varies the optical path length in a laser projector, effectively eliminating speckle interference while maintaining compact device size.

An aspherical lens array distributes light energy across a phosphor layer to enhance conversion efficiency in projection devices.

A projection system displays guide and reference figures to align multiple projectors on a shared plane.

A reflective screen uses photochromic materials to change color via electromagnetic radiation, enabling scalable passive displays.

A polarization state conversion element adjusts light ratios within an illuminator to combine beams efficiently.