Projectors TRIZ Cases

Curved reflectors replace plane mirrors to adjust optical parameters, resolving the trade-off between device complexity and volume.

A scanning unit guides illumination radiation over a pixel array to generate images with reduced speckle visibility.

Segmenting the heat sink from the light-transmissive substrate resolves conflicts between cooling efficiency and optical transmission in rotating converters.

Insulated transmission section routes temperature data through power supply cables, eliminating separate wiring paths and reducing noise interference.

Complementary engagement portions fix adjacent substrates to prevent separation from centrifugal forces and reduce wind shear noise during rotation.

A wavelength converter uses a heat insulating member between the phosphor and rotating mechanism to manage thermal load.

Inclined abutment surfaces guide a flexible sealing member to prevent dust intrusion, reducing assembly time compared to adhesive methods.

A light guiding unit uses a gradient adhesive layer to transmit fluorescence from a phosphor rod to an angle conversion member.

A phosphor color wheel illuminated by multiple light sources generates synchronized multi-color beams for projection systems.

A projection system uses a measurement assisting apparatus to switch image light between the projection lens and a measurement apparatus.

SiPM arrays detect reflected light to dynamically correct beam paths, resolving image quality deterioration caused by surface irregularities.

Magnified image formation enables etendue-based combination of supplemental and excitation light, resolving phosphor efficiency losses.

Graded porosity in the bonding layer relaxes thermal stress while maintaining conductivity, preventing phosphor peeling.

Segmenting pressure zones eliminates internal ribs that cause pillowing, achieving a smooth concave surface without bulky solid components.

Segmenting arc lamps into modular LEDs and adding polarization recovery modules maintains high illumination power while extending lamp lifetime.

A wavelength conversion module uses a composite diffuse reflection layer with bimodal particles to enhance optical reflectivity and light efficiency.

Introducing a diffuser between source and object redistributes concentrated beam energy, eliminating uneven intensity that causes depth measurement errors.

A projection image compensating apparatus extracts pixel information from supplementary images to fill occluded mesh faces.

Synchronized spinning projectors eliminate motion blur by timing light emission with rotation to create sharp 3D imagery.

A light outputting apparatus uses a multi-lenslet array to widen parallelized light in a specific direction.

A light source device routes specific wavelengths outside a dichroic mirror to synthesize output light.

Segmented imaging lenses with protruding central portions reduce distortion while expanding the projection area.

An optically isotropic exposure layer with bumps and depressions widens the viewing angle of a stereoscopic screen.

Aligned top and bottom casing holes enable natural convection airflow through finned heat sinks, reducing fan noise while managing high LED power.

An asymmetric pyramid phosphor structure directs light via reflection layers, preventing self-absorption and improving luminance.

A message projector couples to mobile devices via wireless communication to project information onto ambient surfaces.

Merging reflection, refraction, and total internal reflection sections reduces projector size and cost while maintaining illumination efficiency.

Dual rotation mechanisms enable 360-degree projection direction adjustment without moving the projector body.

Conical semi-reflective panels correct image distortion for Pepper's Ghost illusions on portable displays.

An integrated optical element with a concave reflection surface directs light flux to shorten projection distance while maintaining image formation efficiency.

Optimizing the virtual secondary light source width matches the fly-eye integrator acceptance angle, resolving low light utilization efficiency.

A composite reflection layer merges metallic and dielectric films to boost reflectivity across wide angles, solving oxidation and spectral shift issues.

Segmented optically transmissive substrates distribute thermal load across projection display optical paths.

A polarizing element uses grid-shaped convexities to absorb light selectively.

A self-luminous micro LED display panel drives a moving color filter to generate full-color images without external illumination.

A light source apparatus uses a rotatable handle to transfer force directly to the connector for easy removal.

A projector mount uses a sliding device interface with keyed fasteners to secure the projection unit.

Varying taper angles on triangular pyramid units reduce brightness differences across viewing positions while maintaining high reflectivity.

A projector heat dissipation system measures intake and outlet vent temperatures to dynamically adjust fan speed for thermal management.

Graded substrate architecture dissipates heat from the conversion layer while preventing interfacial peeling caused by linear expansion mismatches.

A rotary mirror device with undulating convex and concave portions reflects semiconductor light to reduce speckle noise.

Curved prism surfaces redirect light flux to enable shorter focal length projection.

Segmented phosphor wheel with birefringent interference polarizer halves etendue while managing thermal resistance.

Movable anamorphic lens groups adjust field curvature in meridian and sagittal directions to maintain image quality on non-rotationally symmetrical surfaces.

Through holes in the support structure create a preferred heat conduction path and facilitate airflow, reducing temperature of the fluorescent wheel.

A wavelength conversion device stacks a high thermal conductivity first reflection layer beneath a high reflectivity second reflection layer.

Reflecting unconverted excitation light via a high-reflectivity element recycles energy through the phosphor wheel, reducing waste in projection systems.

External fan and air duct direct airflow through optical engine vents, resolving heat dissipation issues in sealed housings.

A lighting device uses a light control element to split pump light into reflected and transmitted parts for wavelength conversion.

Illumination system adjusts current ratios between direct green and phosphor-converted blue LEDs to control green light composition.