Projectors TRIZ Cases

A retro-reflective screen customizes light angular distribution to enhance image brightness across large display areas.

Embedding color filtering pigments within phosphor mixtures to absorb unwanted wavelengths and transmit designated colors.

A projection apparatus adjusts light brightness and operation time based on ambient temperature readings to manage heat accumulation.

Ceiling-integrated rails guide motorized trolleys to position displays, eliminating support arms that disrupt laminar air flow in operating rooms.

A laser illumination system uses polarization conversion and beam splitting to alter light paths.

Hybrid projection optical system reduces lens diameter through segmented positive and negative power groups, resolving manufacturing precision constraints.

A projector supporting piece pivots between positions to adjust the projection angle.

Optical array layer reflection surfaces guide excitation light and fluorescence through discrete cells.

A projection focusing method determines motor direction using ranging data to traverse a limited position range for optimal clarity.

Phosphor layer indentations in the disc-shaped substrate improve conversion efficiency while managing heat buildup without external cooling components.

Segmented ribs on a synthetic resin supporting portion increase rigidity without adding weight, improving image display resolution.

A projection device control unit updates an expanded look-up table using distance detection signals and manual focus data.

A single motor drives light forming means in opposite directions via a gear mechanism, eliminating step loss errors and ensuring precise color mixing.

A projection apparatus uses reflector-mounted sensors to detect real-time brightness values of sub-images for immediate digital adjustment.

Segmented lens groups with negative refracting power correct spherical, axial, and magnification chromatic aberrations for high resolution.

Through holes in the substrate allow fan blades to protrude, driving air flow through the phosphor layer to resolve heat dissipation challenges.

A four-lens projection assembly uses specific refractive powers to maintain high imaging quality.

Optical transmission tubes with fibers transfer laser light between diffusion plates, reducing speckle noise while maintaining image sharpness.

A circular light tunnel cross-section prevents vignetting and uneven illuminance when a digital micromirror device rotates within an image projection apparatus.

A multi-axis actuator drives optical elements to reciprocally swing on distinct axes.

A structured-light projector uses a diffractive optical element to generate randomly disposed light tiles from emitted light.

A projection apparatus fixing structure uses a radial rib to interfere with an optical device inside a through hole.

Segmented cover plates dissipate heat from both sides of optical elements to resolve overheating in digital light processing projectors.

A radiator positioned between a backlit screen frame and an optical duct dissipates thermal heat to prevent overheating beyond critical temperatures.

A hybrid illumination device merges narrow band laser diodes with wide band phosphor-converted LEDs to combine spectral outputs.

Multiple light-shielding layers on separate substrates absorb return light to prevent image quality deterioration without film cracking.

Spatial separation of blue excitation light from fluorescent emission prevents color mixing, enhancing projector color gamut and reproducibility.

A biaxially-tilted digital micromirror device redirects incident light through a dual-prism assembly to form an image.

A projector control system dynamically adjusts light source power using color wheel rotation feedback to prevent overheating and maintain image quality.

A projection system captures the image outline to calculate horizontal and vertical inclinations for real-time pre-warping.

A two-chip display system recaptures unused light energy by separating transmitted and reflected color components for recombination.

A conical mirror redirects divergent light toward the guiding device, resolving diffused light losses and boosting luminance in miniaturized projectors.

A light source device merges blue and red laser beams with fluorescent light through a shared optical path to enhance color reproducibility.

Nesting the fan inside fin structures reduces turbulence and noise by 2 dB while maintaining effective heat transfer in compact projection devices.

A projection apparatus adjusts panel drive signals based on attached lens optical characteristics to correct registration shifts.

A speckle reducing device uses a polarization splitter element to separate incident light into distinct components for directed reflection.

Linear side surfaces on a microlens array substrate guide light to the aperture, resolving low efficiency in miniaturized projectors.

A monolithic optical mount uses homogeneous flexures to enable precise two-axis adjustment without joint interfaces.

Segmented diodes pump corresponding rods at selected wavelengths, balancing color purity while minimizing heat generation in display systems.

A particle manipulation system uses a zoom lens set and photoconductor chip to create an infinity-corrected microscope optical system.

Optimized void distribution in sintered Ce:YAG phosphors balances light scattering efficiency against thermal stress to prevent heat accumulation.

An edge-mounted light-absorbing structure absorbs stray light to balance temperature gradients, preventing thermal stress cracking in projection device optics.

Surface lattice resonances from diffractive coupling increase absorption and emission rates, reducing heat dissipation in thin phosphor layers.

A polarizing beam splitter and quarter-wave converter optimize light polarization states in head-mounted displays.

Rotating perforation angles disrupts pixel grid coincidence to eliminate Moiré interference without compromising acoustic permeability.

A projector imaging optical system adjusts magnification power across its surface to form a clear image.

A resonant mounting arrangement amplifies electromagnetic actuator motion to drive a projection screen at high frequencies.

A wavelength conversion device uses a heat-conducting connection structure to move thermal energy away from the phosphor layer.

Segmented concave reflectors resolve the intensity-size trade-off by directing multiple LEDs into a uniform, high-brightness beam without bulky optics.