Projectors TRIZ Cases

Spherical medium reconstitutes anamorphic-distorted images to resolve limited viewing angles in conventional Pepper's ghost illusions.

A light source apparatus combines luminous fluxes from directional emitter rows to produce uniform combined light.

A projector light source device synchronizes output periods of colored lights to match frame rates.

A projection system uses a telecentric portion at the reduction side of the second lens group to expand the image.

A projection display device uses a sub-circuit board to branch ballast control voltage signals to multiple lamp cover detection switches.

Segmented cooling units manage thermal load while clean air prevents dust adhesion on optical components.

Pre-stored adjustment values allow precise brightness control without shifting white balance across different grayscale levels.

Synchronized laser projectors coordinate via a central workstation to mark large vehicle surfaces with high precision.

An elastic washer deforms adaptively to seal gaps between casings, preventing dust entry and avoiding breakage during lens adjustment.

An inorganic bonding matrix fills voids in the conversion layer to resolve thermal degradation and hole formation during sintering.

An oil detecting section assesses air quality to determine if a wall-mounted projector requires physical attachment verification.

Cameras capture live feeds to enable remote adjustment of spherical projector focus, zoom, and orientation without on-site technician presence.

A servo beam provides feedback control to maintain optical alignment in scanning display systems.

Segmented housing with filter vents dissipates light source heat while blocking dust, protecting optical elements from thermal damage.

A bearing element with a shaft portion and elastic elements allows precise beam angle control, preventing laser speckle mispositioning from assembly tolerances.

Segmented birefringent elements compensate skew rays across wider angles, resolving contrast loss and manufacturing complexity in projector systems.

Vertical fan placement eliminates horizontal space occupation while removing guide members to reduce flow resistance and system noise.

A light beam generating device uses a dual-controller architecture to regulate luminance with high-speed feedback.

Positioning a half wave plate between lenses reduces apparatus size and suppresses color unevenness from multiple light sources.

Bonded retention members eliminate wrinkle formation by applying high tension without weakening the screen structure.

Segmented covers create specific airflow paths that reduce temperature and noise while maintaining dustproof sealing.

Segmented support layers and parallel stress adjusting layers cancel thermal deformations, preserving mirror flatness and optical contrast.

A relay element forms an intermediate image near the projection lens entry surface to shorten the back focal length.

Segmented duct portions reduce static pressure loss and ensure sufficient airflow to downstream light modulation devices.

A light-emitting device uses a submicron periodic structure to form quasi-guided modes for directional emission.

A scanning projector uses a MEMS scanner to project images with reduced speckle noise.

A rollable display screen uses a roller mechanism to stow and deploy a flexible composite phosphor-filter layer.

Oblique transparent rear projection screen generates glasses-free 3D illusions, eliminating costly and hazardous viewing equipment requirements.

Reducing the binder refractive index below that of phosphor particles minimizes in-plane guided light, thereby increasing output power density.

A camera shoe extension uses a curved support arm to position accessories away from the body.

A projection optical system uses a concave aspherical mirror and resin lens to adjust magnification while maintaining high resolution.

A wavelength conversion member with spatially varying activator concentration directs excitation light through a phosphor layer to generate fluorescence.

An inclined sixth side face extracts stray light from a dichroic prism, preventing total internal reflection that degrades video contrast.

Conjugate rod and lens array enlarge secondary light sources, reducing speckle noise without complex deformable mirrors.

A display system adjusts color gamut by combining excitation light with narrow-spectrum primary light.

Positioning a laser unit away from a collimating lens focal point generates a rectangular light spot, reducing assembly complexity.

A spatial light modulator controls light injection into a wedge-shaped guide to resolve visible bands and enable multi-location focus.

A transparent screen uses a cholesteric liquid crystal layer to diffract light with a controlled peak half width.

Radial segmentation of phosphor layers distributes thermal load while maintaining luminous flux utilization efficiency in projector modules.

A projection system moves a color wheel to match lens shifts, maintaining optical alignment.

A light source module combines a composite LED with a rotating filter wheel to generate primary colors.

Opposing grooves in the back cover reduce panel stress during rolling while maintaining structural strength.

Infrared camera detects audience faces to modulate laser beam intensity, preventing retinal damage while maintaining display brightness.

Segmenting a light spot across multiple spatial light modulator pixels enables higher dynamic range image display while reducing scanning precision demands.

A projector duct channels exhaust gas from a first discharge fan to a second discharge fan.

A wavelength conversion device uses protruding turbulent elements to enhance heat dissipation from the phosphor layer.

A folding mirror positioned nearest the reflective image displaying element directs light to enhance illuminance homogeneity across the projection surface.

A light source unit uses a processor to control dimming modes across time-dividing gradation periods for two distinct light sources.

A movable image forming substrate switches between inclined and aligned positions to project aerial images or display flat screens.