Projectors TRIZ Cases

A polarization conversion system uses beam splitters and rotators to direct light along distinct paths.

A controller manages drive current sequencing across solid light sources to stabilize thermal conditions during activation.

A projection device adjusts trapezoidal distortion correction based on the derived projection angle to maintain image stability.

Coaxial rod mechanism translates plunger position while magnetic revolution sensors detect rotational cycles to resolve measurement discrepancies.

A light-transmitting optical element sits between the prism group and digital micromirror device to shorten the optical path.

Replacing wavelength combiners, this system employs a reflector and compound eye field lens to mix RGB light, reducing assembly complexity and production costs.

Selective light shielding in a projection display maintains uniform illuminance while achieving high contrast and large dynamic range.

A birefringent waveplate aligns orthogonal projector light with the screen, eliminating absorption loss and reducing power consumption.

An inorganic spacer overlaps pixel electrodes to stabilize substrate spacing and prevent organic contamination.

Segmented optical sensor detects vertical scanning errors to correct MEMS mirror phase inaccuracies caused by environmental shifts.

A projection apparatus uses a vibrating lens to deflect light beams from sub-images, forming a single projected image through temporal superimposition.

A centering pin contacts an inclining surface on a lens frame to move the optical axis.

A light source unit polarizer uses a recessed and protruding structure to transmit TM polarized light while diffracting TE waves.

A projection device case structure uses elastic members and slide grooves to secure a sliding cover plate.

Repositioning blue LED heat sinks into the main cooling airflow path reduces internal temperatures without increasing fan noise.

Direct bonding of stacked optical components reduces etendue penalties, maintaining high brightness while lowering power consumption and cooling requirements.

Dynamic tuning of image device position and tilt angle resolves the trade-off between expanded coverage area and image focus deterioration on non-flat surfaces.

A metalens array aligns with a laser source to project point clouds via nanostructured refraction.

Multi-surface drainage ports clear water from submersible camera microphones via capillary forces, restoring acoustic performance after submersion.

A projection apparatus captures surface shape and color information to determine optimal projection range and position for precise image placement.

Displaced laser units with independent heat paths and combining optics resolve space complexity while ensuring uniform incidence on the focusing lens.

Independent movement of dual negative lens units corrects field curvature without altering conjugate length, resolving defocus issues on curved screens.

Grooved wheel plates integrate driver assembly and balancing features to resolve rotational stability versus heat dissipation trade-offs.

A light converging lens mediates beam transfer between a wavelength conversion element and an integration rod.

A head-up display light projecting system uses dual panels and a mirror assembly to reflect distinct virtual images onto a windshield.

Integrated wavelength conversion sections combine fluorescence to emit white light, reducing device size and complexity.

A wavelength-converting wheel uses substrate protrusions to position heat conductive glue, reducing layer thickness and enhancing thermal pathways.

A lens cap with a chamfered elliptical aperture mechanically engages projector lenses to provide precise vignetting.

Aligning the elongated laser emission axis with the rod integrator's longer side reduces device size while maintaining high output power.

Tailored microlens numerical aperture values in a fly-eye lens component homogenize multi-color laser beams, resolving light spot uniformity issues.

Heat dissipation tooth portions disturb airflow around the substrate to resolve temperature reliability contradictions in projection devices.

Segmenting the optical element into regions with different refractive powers suppresses aberrations while maintaining a wide angle of view.

A reflector acts as a heat sink to cool the screen in an image generating device.

A color wheel module positions wavelength conversion layers on a substrate outer periphery to guide excitation beams through filters parallel to the central axis.

Stacked projector arrays with lenticular lenses direct light beams to create multi-view autostereoscopic images while reducing space occupation and cost.

A reflective wide-angle lens uses a curved mirror and segmented lens groups to achieve a 0.2 projection ratio.

Dynamic control of MEMS mirror deflection angles corrects keystone distortion while maintaining constant image size and brightness despite distance variations.

A rear-projection screen uses a light-absorbing film to reduce ambient sunlight reflection.

Convex-concave inorganic binders dissipate heat from fluorescent devices, preventing wavelength shifting and intensity loss caused by temperature increases.

Elongated piezoelectric actuators in a biaxial MEMS reflector precisely control frequency differences, reducing flicker and improving image resolution.

A projection instruction device generates visual guidance on parcels using identification data and position sensors to direct workers.

A dichroic reflector optical element concentrates primary light onto a luminescent material and reflects converted emission to a second focal point.

A wavelength conversion element uses an intermediate layer to totally reflect P-polarized light at the dichroic interface.

An annular wavelength conversion layer on a reflecting plate reduces optical component count and weight while maintaining beam alignment precision.

Parallel substrates and waveguides guide light to movable mirrors, decreasing device height while simplifying fabrication costs.

A fluorescent wheel with a polarization conversion layer directs blue light to a mirror.

Variable color wheel segments adjust light emission timing to resolve the contradiction between device complexity and dynamic color balance adaptation.

A light source unit directs cooling air through a ventilating hole to stabilize output and extend lifetime despite dense packing.

A light emission control circuit detects potential differences across a resistor to manage switching elements.

Electro-optical modulation via a dynamic mask minimizes over-brightness and multiple blacks in overlap zones without mechanical repositioning.