Projectors TRIZ Cases

A wavelength distribution conversion element modifies white light LED output to match daylight spectral components.

Overlapping dummy pixels suppress defects by trapping ions without expanding lateral area.

A rotary diffusion device with distinct uneven structures rotates to temporally average speckle patterns.

Temperature detection delays dimming initialization until internal heat softens grease, preventing mechanical failure in cold environments.

A relay optical system uses three reflection surfaces to establish conjugate relationships between optical path surfaces and light modulation elements.

Optical filter module adjusts spectral output of ultra high pressure mercury lamp to meet DCI color standards while reducing volume and cost.

Perpendicular illumination and projection axes in a compact housing reduce device volume while maintaining alignment precision.

Optical member splits and integrates monochromatic light paths to adjust laser diode chip counts for projector applications.

Segmented glass elements in a projection lens reduce system length while maintaining thermal stability across temperature fluctuations.

A hard magnetic thin film on a movable mirror portion enables two-dimensional optical scanning.

A projector focus system divides captured images into regions to calculate individual sharpness values and display them on the projection picture.

Alternating heat pipes move thermal load to fins, managing brightness-induced heat in projection displays.

Optical interferometers replace computational processing by generating overlapping beam spots, reducing speckle contrast without increasing device complexity.

A relay-type imaging lens uses a reflector to bend the optical axis within a movable second lens group.

Reflective polarizers and fractional wave plates recycle unused light to reduce LED density and display thickness.

Standardized mounting structures enable the illumination system to accommodate different light sources, resolving universality constraints.

A projector adjusts projection light luminance based on detected power source voltage levels to maintain stable operation.

An angled filter element directs reflected light away from the wavelength conversion region to maintain optical efficiency.

Selective antireflection coatings and optical path separation suppress ghost light interference to maintain imaging quality.

A color filter substrate uses a photo-resist conductive film on the rear surface to prevent static electricity.

Auxiliary light sources augment specific colors through a color wheel, resolving brightness and fidelity trade-offs.

Independent liquid loops cool distinct heat sources to reduce fan noise and improve thermal management in projection devices.

A projection optics enclosure with a dedicated opening section and heat sink holder dissipates thermal energy from reflective optical elements.

Photonic crystals and micro-optical lenses integrate on micro-LEDs to boost extraction and collimation while simplifying fabrication.

An optical filter cuts specific wavelength bands between infrared signals, enabling the sensor to distinguish multiple pens without rotating mechanisms.

A triangular prism illumination assembly integrates multiple light beams through a unified optical guide structure.

Segmented fan frame with slits minimizes pixel shift under 0.5 while maintaining heat dissipation efficiency.

Segmenting the coherent light source creates uncorrelated speckle patterns that average out, reducing contrast ratio and improving image quality.

Segmented phosphor wheels employ blank substrate zones between emitters to dissipate thermal energy and prevent phosphor deterioration.

Corner-mounted voice coil actuator swings the holding frame to reduce device thickness while maintaining drive force for resolution enhancement.

Low frequency oscillators create smooth sinusoidal light pulsations that eliminate epileptic flash risks while maintaining therapeutic brainwave entrainment.

Segmenting optics into non-telecentric and telecentric barrels enables lens shift without vignetting.

A projector system uses a distance sensor to calculate image size and adjusts light source current for target brightness.

Folded optical path with angled laser source minimizes chin dimensions, resolving the trade-off between brightness and compact form factor.

A surface-curved dichroic mirror separates excitation light and fluorescence while maintaining uniform transmission characteristics.

A segmented filter device separates spectral bands to deliver stable illumination to the light valve.

Segmented projection units cooperate to enhance image brightness and resolution, reducing device complexity compared to single-projector systems.

Combining overlapping spectra from dual solid-state modules increases luminous flux while maintaining color stability without active regulation.

Displacing images sequentially averages independent speckle patterns, reducing noise while maintaining high brightness and resolution.

A projection optical system adjusts image position via shift and zoom driving mechanisms during aspect ratio conversion.

A lens magnifies the light beam from a starry sky lamp to soften the projection.

A projection system modulates light using a yellow phosphor to enhance color diversity and saturation in displayed images.

Segmenting green sub-pixels reduces total pixel count, resolving the trade-off between color capability and panel size.

A controller adjusts cooler power based on LED forward voltage and current to optimize thermal management.

A projection device uses a switching gear to connect a single drive unit to lens groups for zoom and image plane correction.

A placement mechanism selectively positions interchangeable optical elements on an optical axis to adjust projection geometry.

Non-linear warping reduces perceived depth near display edges, preventing object clipping and viewer eyestrain while maintaining central accuracy.

Sequential scanning of one-dimensional light modulator arrays eliminates field lens constraints, expanding reconstruction volume and observer freedom.