Projectors TRIZ Cases

A laser projection display device uses a light emission control unit to adjust drive current based on detected light amount.

Asymmetric light-guiding units paired with scattering particles disrupt periodic structures to reduce diffraction and improve image clarity.

Integrated projecting portions position collective lenses near optical wheels, reducing device size while maintaining rotational balance.

An air layer between the optical member and wavelength conversion element guides fluorescence propagation, reducing leakage losses at the interface.

Honeycombed ladder hinges increase tensional rigidity while restraining torsion, resolving the trade-off between response speed and swing stability.

A laser light source unit segments multiple diodes to control illumination luminance via selective activation.

Segmenting the dust cover by angle of incidence applies localized anti-reflection coatings, reducing manufacturing costs while maintaining image brightness.

A segmented light shutter panel switches between high transmittance and opaque states using dynamic ink positioning to control optical output.

Rotating connector prevents wire twisting during multi-axis projector rotation, maintaining electrical connection reliability.

A structured underlayer with inclined features and a multilayered film compensates residual retardation in liquid crystal displays.

A luminescent wheel uses a reflective portion to guide diffuse light and reduce speckle noise in projector light source units.

A projector cooling system uses a refrigerant generator with thermoelectric elements to transform air into gas for heat dissipation.

A static phosphor and light tunnel combine illumination and collimation for spatial light modulation.

A swinging light guide redirects excitation beams through optical paths, preventing laser waste from circular reflectors and improving optical quality.

Single laser scanner projects driving and cluster data onto separate curved surfaces using rotating mirrors, cutting hardware costs and space.

Directly mounting the light source on the actuator changes beam transmission paths, resolving stray light issues while maintaining high image resolution.

A multi-projector system uses distinct color tones to project alignment patterns for automated lens shift adjustment.

Orthogonal quarter wave retarders compensate for mirror-induced polarization distortion, reducing leakage and ghosting in 3D projection imagery.

A rotating wavelength conversion device uses a phase transition cooling mechanism to manage heat from the phosphor element.

A projection apparatus combines a laser-based moving star field with an LED-generated deep blue cloud-like effect using rotating optical wheels.

Separate TIR paths direct RGB components to distinct DMD chips, eliminating purplish tint from phosphor wheels while reducing power consumption.

A light source apparatus uses a polarization rotator and wavelength converter to combine polarized beams for image projection.

Dynamic focal point adjustment tracks pupil position to eliminate misalignment errors and reduce power consumption in head-mounted displays.

A projection device casing uses a baffle to divide internal areas and direct hot airflow through distributed outlets.

A projector optical system integrates projection and detection paths via a polarizing beam splitter near the focal point.

A projector uses a wavelength variable interference filter to detect and adjust blue light levels.

Integrated holder positions lens and wheel together, resolving trade-offs between device complexity and positioning accuracy.

Dividing power source boards into multiple sections directs airflow to high-heat areas, reducing fan noise and power consumption.

Multilayer thermal barrier coatings utilize distinct layer compositions to maintain low thermal conductivity and strain tolerance.

An intermediate optical system restricts the diffusion angle of coherent light beams in a projection device.

Switching color wheel states generates specific light sequences, resolving the trade-off between color saturation and brightness in projection displays.

A projection system identifies stable image regions to maintain focus during motion.

An intermediary washer matching glass filter segments reduces thermal stress on adhesives, preventing delamination during high-speed rotation.

Seven-group projection lenses with fixed outer groups and moving inner segments correct off-axis aberrations while maintaining wide field angles.

A light modulation module integrates a temperature adjustment mechanism with an LCoS display panel to maintain stable operating conditions.

A seven-group projection lens system moves internal groups to change magnification while maintaining optical alignment.

Symmetric locking surfaces on opposite substrate sides balance the optical processing turntable, reducing noise and extending service life.

Image processing apparatus generates recording data for uneven layers with discrete projections to create anisotropic printed materials.

A projection lens system stabilizes optical performance through controlled material parameters.

An optical scanning apparatus uses a waveplate with an inclined end plane to redirect laser beams.

Asymmetric telecentric illumination expands dead-zones between light states, reducing flat-state scatter and improving projected image contrast.

Nanoparticle layers with varied sizes reduce brightness differences across the screen surface.

Orienting second lens arrays relative to light emission areas accommodates mounting variations, maintaining light homogeneity and use efficiency.

A projection apparatus synchronizes time and schedules operations using a network process module connected to a server.

A sliding lens cap moves along a track to cover or uncover a projector lens unit.

A polarized lightguide directs illuminating light to an LCoS panel while recycling orthogonal polarization states for enhanced brightness.

A measurement system tracks control objects to project optical indicators on a worksurface.

Segmented absorptive ribs on both substrate sides absorb reflected light from LCDs and X-Cubes, eliminating ghosting in projection systems.

A projection mirror uses motors and photosensors to detect reflected light for positional orientation adjustments.