Projectors TRIZ Cases

Contact members on the support frame side surface shorten the heat transmission path from the digital mirror device light receiving surface.

Air layer mediates thermal conduction while suppressing interface reflection in wavelength conversion elements.

A multi-axial adjusting device shifts and tilts a lens holder to resolve alignment contradictions, eliminating blurred images from optical axis deviations.

A video projector adjusts light emission per color panel to manage thermal loads on individual LCD units.

Colored transparent spatial unit provides clear holographic image visibility in bright environments by reducing ghost effects and expanding viewing angles.

Telescopic arms dynamically adjust length to center images on a collapsible screen, resolving alignment issues in compact portable devices.

Metal holders secure light emitting units in an optical apparatus, reducing production complexity and costs for pico-projectors.

Segmenting excitation paths compensates for low red efficiency, boosting overall projector luminance.

An intermediate refractive index matching layer reduces interface reflection and light loss caused by refractive index differences in wavelength converters.

A controller adjusts LED driving current using PWM duty cycle changes to maintain target brightness ranges.

Polarization grating screens separate left and right eye images for stereoscopic viewing.

Digital micro-mirror device and total internal reflection unit eliminate actuators to resolve structural complexity in dual function imaging.

Sealing portion prevents resin flow during insert molding, reducing component count and assembly time.

A projection lens module uses a positioning piece to generate signals for real-time backlash calculation.

Embedding low-refractive particles into the polymer matrix of an optical substrate increases visible light transmission.

Resin coatings on aluminum housings prevent corrosion and hydrogen gas production, enabling weight reduction with reliable cooling performance.

Electrochromic mirrors adjust laser beam intensity to resolve daytime brightness and nighttime visibility trade-offs in vehicle head-up displays.

Interwoven filaments with asymmetric cross-sections redirect image signal light toward viewers while absorbing ambient glare.

An optical axis shifting element redirects light through intermediate positions to transition pixel locations on a projection surface.

Curved cylindrical casing maintains gap between air vents and working plane, resolving heat dissipation limits during projection angle adjustments.

A dual diffusion element optical engine module shapes illumination beams for near-eye displays.

A transmissive screen combines microlens arrays and a single lens to diffuse light inward at edges.

A wavelength conversion wheel uses an inclined boundary between fluorescence layers to minimize overlap areas and enhance conversion efficiency.

A projection illumination system uses a control unit to switch the light source off when color filter boundaries enter the beam path.

Rotating filter wheels adjust partial optical path lengths to tune blue output without reducing total luminous flux or stressing laser diode lifetimes.

Processor divides captured image into focusing zones to calculate lens distances and correct keystone distortion automatically.

An outward-extending grip on the lens barrel improves handling, while a protruding flange absorbs impact to protect lenses.

A projector control section adjusts light output based on detected power supply voltage levels.

Replacing incandescent bulbs with LEDs reduces heat while directional optics concentrate light beams to project large, sharp images without wasted energy.

A lighting device uses segmented phosphor regions excited by individual solid-state light sources to produce high-intensity color light.

Transparent blocking member on projector casing isolates lamp fragments, enabling safe inspection and replacement without user injury risk.

Integrating filtering onto the phosphor wheel eliminates divergent beam color cast and removes mechanical filter wheel complexity.

A dual modulator projector system controls residual light for low gray values.

Interposing a field lens between illumination lenses and the display device reduces projector thickness while maintaining high-quality image projection.

Boundary grooves on the base layer prevent opposite slope formation to reduce elliptically polarized light leakage.

Stationary wavelength conversion modules use integrated liquid cooling cases to remove heat, eliminating vibration and noise from rotating phosphor wheels.

A projector cooling method monitors pump rotation speed to detect flow path abnormalities and ensure continuous refrigerant circulation.

Electromagnetic actuation drives a hollow carrier to adjust an optical element angle, resolving trade-offs between adjustment speed and precision.

A polygonal mirror projects image segments onto a fixed stereoscopic screen, eliminating high-speed rotation complexity.

Pulsed modulation compensates for light source roll-off, maintaining luminous flux while reducing heating and improving electrical-to-optical efficiency.

An asymmetric lens module increases f-numbers along short sides of rectangular light valves, reducing crosstalk loss and improving light utilization efficiency.

A light emitting device uses a diaphragm and filter to adjust illumination wavelength ratios.

Segmented fog manifolds create independent laminar flows that resolve the trade-off between viewing angle and system complexity.

Air cooling replaces bulky liquid systems, maintaining fluorescent efficiency while reducing device size and cost.

A triangular prism redirects light from misaligned sources through the integrator rod, preventing direct emission damage and extending component lifespan.

Video processing device adjusts luminance and chromaticity of projected images on transparent screens to maintain visual clarity.

A light recycling device transforms transmitted parallel polarized light into reflected parallel polarized light for projection display systems.

Dual rotating wheels with offset boundaries prevent spoke effects from intersecting excitation beams, maintaining stable illumination intensity.

A projection apparatus housing integrates a limit wall to constrain horizontal shift of the diffractive optical element.