Projectors TRIZ Cases

Positioning an anisotropically blurring optical element between the projector array and projection lens reduces interpixel gaps while preserving edge contrast.

A light source unit uses a heat sink to cool a luminescent substance while an integrating optical element homogenizes excitation radiation.

A non-spherical lens with a cut-out shape reduces projector size and weight.

Independent light source control adjusts emission period ratios to resolve trade-offs between operational stability and allocation angle flexibility.

Distributed scattering and photoluminescence particles in a phosphor wheel adjust color gamut while preventing purple bias in optical projectors.

Protrusions on the guide barrel restrict lens frame movement to specific positions, reducing radial size and manufacturing complexity.

Scanning a lens via flexures projects light beams sequentially to resolve brightness and efficiency trade-offs in adaptive illumination.

A projector device filters accelerometer output signals using a limit angle parameter to determine when trapezoidal distortion correction is required.

A light guiding unit switches illumination to a fluorescent material, enabling RGB color generation from a single blue laser source.

Curved viewing glasses with spectrally complementary filters reduce off-axis wavelength shifts and crosstalk while expanding the projected color gamut.

Stacked circular and linear polarization filters in a head-up display projection unit absorb reflected sunlight to eliminate secondary images.

A light combining system uses prisms with air-gaps and mirrors to align on-state light paths from digital micro-mirror devices.

A laser illumination system uses a color wheel and light combiners to mix different colored laser beams on a shared optical axis.

A red laser supplements a red LED to increase total red light output, correcting the green tint caused by insufficient red light when boosting green brightness.

A light module uses a polarization modulator to dynamically split excitation radiation between optical paths with and without phosphors.

A frame body with a reinforced shaft portion oscillates to position an optical element within a projection device.

Sensors detect surface bends and distance, enabling the processor to move the projection lens and correct image distortion across divided areas.

Through holes in the color wheel dissipate heat via conduction and resonance, reducing motor noise and extending projector lifespan.

A wavelength conversion member embeds phosphor particles in an inorganic matrix using resin filler and silane coupling agents to secure particle retention.

A light-transmitting cover with an aspherical lens portion refracts display light to maintain uniform pixel pitch across tiled panels.

An asymmetric wire grid structure resolves the trade-off between heat resistance and optical properties by localizing protection.

Aligning detection and projection optical axes eliminates blind spots near the lens, enabling precise safety monitoring for non-flat surfaces.

Multiple output couplers with individually selectable light valves overcome total internal reflection limits to achieve a wide horizontal field of view.

A cylindrical display screen provides a 180 to 360 degree view angle with smooth arc side walls.

Screen arrays with micro-lenses and polarization layers scatter direct light while absorbing cross-reflected signals from adjacent projectors.

A projection apparatus projects a support image to guide geometric processing operations within non-display regions.

An inorganic surface structure expresses water repellency on grid-like projections, resolving durability issues caused by fluorine-based silane compounds.

A dual phosphor wheel projection system uses independent color wheels to generate red and green light from blue lasers.

Integrating the flange into the lens barrel eliminates separate support members, reducing radial size and impact breakage risk.

Friction-driven overlapping blades eliminate complex engaging sections, reducing retraction space and simplifying manufacturing accuracy.

A resin lens optical system uses a concave reflection surface to fold the light path and achieve high magnification.

Dynamic retardation plate rotation compensates for phosphor shifts, ensuring consistent color balance across brightness settings.

Rotating cam member drives shaft portion for continuous mirror angle adjustment without disassembly.

A wavelength conversion element uses interlocking substrate and layer positioning portions to ensure precise assembly alignment.

A lens array substrate manufacturing method fills recess sections with a lens layer and flattens the surface to remove excess material outside the recesses.

Visual guide images mark drivable region limits, resolving the contradiction between flexible projection positioning and structural driving restrictions.

Segmenting color channels across two digital micromirror devices doubles average display time per color, resolving low light source utilization efficiency.

Segmented torsion springs in wider joints reduce stress concentration, enabling large rotation angles and high scan rates without increasing device size.

A laser projection device uses a 1/4 wave plate and dichroic component to manage blue polarized light polarization states.

A projector design separates light by polarization to reduce loss and maintain homogeneous illumination.

A projector shifts relay or projection lens elements orthogonally to the optical axis to mitigate speckle interference.

Replacing expensive TIR prisms with a single optical plate reduces light loss while maintaining image illumination in near-eye displays.

A digital restoration device compares acquired soundtrack images against ideal templates to reconstruct audio signals from damaged media.

A segmented optical element adjusts focus positions of beams with different wavelengths to a single point.

A laser projector control system detects operating parameters to prevent hardware damage.

Segmented trapezoidal driving arms decouple spurious out-of-plane movements from main rotation, improving mechanical robustness and shock resistance.

Rotating reflecting element adjusts projection beam angle to align image with waveguide sheet, preventing dark or distorted images in virtual reality displays.

Cross-polarized light passing through a transparent projection screen reduces blow-by leakage, hiding the projector from rear observers.

Alternating optical regions guide laser beam to specific positions, enabling periodic heat dissipation without color point shift.