Projectors TRIZ Cases

See how a heated insulating hollow body raises temperature above dew point to prevent moisture

See how a detachable holding member attaches to cabinet openings, enabling easy access to opera

See how a pivot structure with spindle brakes enables stable ceiling-track suspension of screen

See how a collision member and air bubble prevention member maintain gas-liquid separation in c

See how a reservoir tank uses collision members and air bubble prevention to maintain gas-liqui

See how a projector uses movement and audio sensors to dynamically adjust light and sound level

See how a holographic projector, microphone, and database-driven software simulate visual and a

See how tilting the screen 5-15 degrees toward reclining audiences maintains optimal sight line

See how dual temperature/humidity sensors—one external, one on the heat-absorbing surface—enabl

See how a projector refrigerant generator uses a circulation path with dual heat exchangers to

See how refrigerant phase-change cooling replaces noisy fans in projectors, using a dustproof t

See how a projector refrigerant generator uses phase-change evaporative cooling to reduce size

See how segmented connection members enable independent detachment of light source, optical, an

See how column-aperture engagement with varied diameters enables precise short-throw projector

See how an inclined flow passage in a phase-change cooler prevents refrigerant accumulation, en

See how a projection display apparatus uses intermediary images to superpose cooking guidance o

See how a bed device detects patient position and automatically limits hazardous movements usin

Pressure sensing adjusts helium-gas pressure or circulation speed to stabilize projector cooling and reveal leaks before heat transfer declines.

See how foldable columnar supports, nested projector cabinets, and cord shrouds integrate audio

Multiple opposed heat-transfer plates increase liquid-to-liquid cooling area in projector heat exchangers while helping suppress dew condensation.

Curved non-uniform active area edges reduce shallow trench isolation stress, easing etching and lowering leakage and contact resistance.

A dual-turntable projector changes projection direction during use, avoiding manual repositioning, collisions, and projection interruption.

A modular projector mount combines sliding, pivoting, and rotating adjustments to align pitch, slant, and position more precisely.

An inclined secondary foot with an elastic semispherical contact keeps a projector stable while the adjustable front foot raises projection angle.

A sliding cabinet cover opens along the display surface, making light source and optical component replacement easier in tight spaces.

A microchannel jacket and Peltier element pull heat from projector coolant, protecting optical elements without larger radiators or pumps.

A dual-cabinet sandwich support holds a heavy projection optical system against impact, preserving alignment, image quality, and assembly efficiency.

A single friction element and geared adjustment enable fast pitch, roll, and yaw alignment while keeping the projector mount compact and secure.

Adjusts a vehicle projection field to preserve enough camera view for surround detection, reducing confusion between projected and real objects.

Offset micro lenses and a collimator redirect sidewall emission, improving micro LED projector light intensity and array uniformity.

An eight-element two-group projection lens improves vehicle HUD definition and imaging reliability without adding lens complexity.

Two perpendicular tilting glasses refract DMD light to create stable UHD projection from a lower-resolution chip without enlarging the projector.

Infrared pump lasers and nonlinear crystals generate coaxial visible Gaussian beams, cutting projection power use, size, and packaging complexity.

By tilting the display unit and concave mirror around a vertical axis, this HUD corrects windshield distortion while reducing optical stack height.

A corrugated transparent screen uses polarization control to block rear-side image leakage while preserving background visibility.

Polarization separation, retroreflection, and retardation improve contrast and resolution in a portable vehicle-mounted floating video display.

A rotatable screen module shifts the eye box and supports large virtual images while keeping the HUD housing compact and simple.

A compact optical layout uses a concave mirror and adjustable mirrors to enlarge HUD images while limiting distortion and alignment issues.

A processor-serializer architecture cuts MCU count in high-resolution LED headlamps while reducing data collisions and address-setting errors.

Adjustable flat-mirror spacing and beam angle extend the optical path, enabling multiple HUD virtual distances in less vehicle space.

Ambient light sensing adjusts vehicle display brightness, color, content, and position to maintain visibility while limiting glare.

Separate heat dissipation units and a heat-sink housing cool HUD light sources and the image generator to prevent overheating in compact optics.

A polarization-selective optical film in a vehicle partition boosts projected image brightness while limiting ambient light interference and shake.

A lateral coil layout removes under-mirror insulation layers, simplifying magnet placement and reducing micromirror warping.

Beam expansion before RGB combination improves spot coincidence and cuts beam loss in compact laser projection optics.

Rotating-arm actuators shift the optical member edge without long light-path stroke, enabling more compact projection display packaging.

A programmable freeform optics element compensates for windshield curvature and rake angle, enabling one HUD design to fit multiple vehicle models.

A ground member placed between connector couplers in the coupling direction expands shield-to-ground coupling and suppresses radiation noise.

A shared refractive element collimates light from multiple multi-emitter laser chips, cutting optical complexity and cost while preserving fiber coupling.

Polarization conversion and reflective path reuse shrink AR-HUD optics while supporting larger FOV and virtual image distance.

LED arrays, filters, lenses, and collimators replace lasers in vehicle graphics projection to reduce occupant discomfort and resource use.

A polarized optical path with a retroreflector and retardation plate improves floating video contrast and portability for vehicle-mounted use.

Magnetic field sensing closes the loop on projector pixel shift, correcting displacement errors from tolerances and environmental variation.

Synchronized temperature modeling across multiple lasers captures self-heating and crosstalk to improve drive-current accuracy and display quality.

A curved real image and optical imaging create an enlarged curved virtual image on windshields or mirrors to improve immersion and viewing comfort.

A rotating annular frame and spring-urged radial socket improve heavy lens mounting, cut contact failure, and reduce socket size.

Orthogonal terminal layout and an integrated protecting portion create space for more contacts while shielding camera shoe connections from external force.

Controlled voids in a rare earth aluminate ceramic phosphor boost light scattering, wavelength conversion, and heat dissipation.

Convex beam spot adjustment in the combining lens group aligns multi-color laser spots for compact projection with lower beam loss.

An integrated projector and light bar shares wiring and housing to cut parts, weight, and cost while enabling customizable ground projection.

A dual-frame mount uses differential thermal expansion to protect resin projection lenses from heat-induced deformation and cracking.

Projected images on a vehicle window let authorized users outside the car view information and control functions without interior interaction.

Liquid crystal gratings replace mechanical rotation and beam splitter prisms in HUD projection, simplifying beam combining and improving reliability.

Collimating and diffractive optics reshape Gaussian laser output into flat-top beams, improving projection uniformity with less loss and bulk.

A conductive plate links the HUD display element to an external heat sink, lowering liquid crystal and backlight temperature without enlarging dashboard space.

Rotating actuator arms perpendicular to light travel shift the optical member while reducing projection display depth and preserving control precision.

A one-piece vehicle display uses reflection between main and secondary areas to add a virtual display level without extra display hardware.

A field-evolving cavity uses LCD or OLED panels and optical tuning to create compact light-field displays with true depth and fewer artifacts.

Shifted through-hole openings match different electrode areas, enabling cleaner etching with less residue and less damage to underlying layers.

Projects the HUD image outside the polarizer film's normal angle range to cut ghosting in vertical windshields without wedge glass.

A rotatable armrest projector uses a mirror and lifting mechanism to aim images across vehicle cabin surfaces with easier handling.

Adjustable-opacity projection screens use liquid crystals and transparent phosphors to expand in-vehicle viewing angles and screen area.

A polarized transparent sheet and light-direction panel improve light use, sharpen projected images, and keep vehicle displays visible without blocking the driver.

A selectively reflective element folds the HUD beam path so mirrors can sit side by side, cutting vehicle installation space.

A holographic optical element film concentrates image light into the viewing angle range, keeping decorative low-transmittance displays bright and clear.

Angle-dependent polarized transmission blocks external light from heating the image radiation unit while preserving projected image quality.

A single button module combines press and lateral actuation to save projector space, reduce housing openings, and simplify operation.

Outward-tilted terminals and an integrated protecting portion preserve connector space while reducing damage risk in electronic accessory shoes.

A single light sensor tracks multiple laser outputs and corrects drive current to keep projector brightness consistent with fewer optical parts.

Synchronized energy windows align self-heating and crosstalk data across multiple lasers for accurate temperature modeling and current control.

Layered insulating and light-shielding films raise interfacial reflection to protect transistors without thicker lines that can crack the substrate.

Telescopic base extensions, auto screen winding, and nested stabilizers simplify deployment and packaging while improving stability.

An extended blue-light path and larger modulation area cut illuminance on the liquid crystal while preserving projector brightness and compactness.

A movable filter narrows phosphor-generated green light in a projector source, enabling color-accurate or luminance-focused mode switching.

Light-transmitting protrusions on a Fresnel projection screen diffuse incident light to suppress ceiling reflection images and widen viewing angles.

Custom image projection adds low-light visibility and slip-specific identification to power pedestals without separate lighting hardware.

Sub-wavelength metasurface optics replace bulky curved mirrors to save space, resist thermal distortion, and keep projected images stable.

Separate optical paths for supplementary and excited light avoid dichroic mirror overlap losses and improve projection light use.

Relative device positions guide automatic image composition, letting a projector combine screens from multiple external devices without manual commands.

An angled optical window fits within reflective and refractive optics to limit dust penetration while maintaining compact, distortion-free wide-angle imaging.

Three wavelength-specific light paths use guides, collimators, and a synthesis element to reduce projector bulk and improve color-light utilization.

Combining refractive focusing with metasurface beam splitting improves spot uniformity and reduces stray ghost spots in depth mapping.

A shared first lens and reflective component separate lighting and imaging paths, reducing projector volume without polarization optics.

An optical detector measures longer-wavelength photoluminescence from an LCD panel to identify deterioration caused by intense irradiation.

PCI plates and fins replace conventional heat-tube exchange in a projector, addressing wind resistance and turbulent flow for high-power LED sources.

Uneven focal-power distribution causes field curvature and distortion; movable lens groups preserve brightness and imaging quality across zoom.

A single continuous curved window expands laser fan angles up to 270 degrees while preventing dirt ingress and reducing assembly costs.

This case uses time-shared laser paths and fluorescence conversion to cut source complexity while preserving bright, saturated color.

A heat sink, heat source, fan, and temperature control maintain reflective LCD conditions while reducing projection interference fringes.

Alternating laser and compensation light boosts red brightness and color accuracy.

A projection screen uses arrayed optical regions with distinct scattering and transmission properties to enable dual-mode display functionality.

Combining phosphor and color filter wheels into one rotating structure eliminates complex DLP synchronization, reducing manufacturing costs.

Swelling portion on projector enclosure houses optical receiver, eliminating cover steps that cause dust ingress and degrade exterior appearance.

Asymmetric light valve positioning maintains brightness and resolution during portrait image projection.

A laser image output device calculates a projectable region and sets a projection window to generate corrected pixel values for accurate display.

A piezoelectric MEMS actuator rotates a suspended mirror using bipolar control signals to achieve precise optical beam steering.

Independent wheel rotation eliminates synchronization errors in three-dimensional image display while maintaining reliable polarization separation.

A heat conduction structure on the support guides thermal energy from the phosphor disk to the external environment.

Equal-length optical paths for three display panels reduce component count and system complexity while maintaining uniform illumination.

A projection lens uses a concave mirror to fold the optical path and enable three-time imaging through a compact six-element arrangement.

A wavelength conversion device uses a transparent member to fill recessed sections on the phosphor surface for uniform reflecting layer deposition.

A transparent screen with a low birefringence substrate minimizes striped unevenness caused by polarized light interaction.

Reference surfaces on the lens flange allow accurate detection of surface tilts that conventional methods miss, ensuring high optical accuracy.

Collecting scattered supplemental light via optimized devices reduces energy loss and improves red phosphor conversion efficiency.

Segmenting marker images allows sequential projection and precise capture, resolving distortion across wide overlapping ranges.

A wavelength conversion element and light combining module merge laser and infrared beams into a single transmission path.

A heat dissipation member with a second opening directs illumination onto the operational region of a DMD chip.

A wavelength conversion device uses distinct reflective layer materials aligned to specific sections for targeted light beam reflection.

Local air layer reduces fluorescence reflection loss and thermal quenching in wavelength conversion elements for projector illumination devices.

Setting the small lens array pitch relative to collimator focal distance prevents diffraction and intensity unevenness while reducing assembly complexity.

Diagonally arranged translucent and fluorescent regions in a laser projector color wheel preserve green light energy to boost brightness.

A control device extends supplementary light activation across multiple color wheel segments to increase luminous flux.

A projection system blends grid pictures using complementary colors in overlap regions to create a distinct recognition color for visual alignment.

Sequentially operating multiple controlled emitters generates compensated target colors without exceeding the spatial light modulator etendue limit.

A projection light module integrates a polarization manipulation apparatus to redirect blue radiation components within a compact optical path.

A light blocking member absorbs unnecessary video light and reflects unabsorbed rays to manage thermal energy.

A light source system uses overlapping time intervals to combine colored beams from multiple emitters into a single optical path.

A modular projection device uses a snap-in structure to secure mobile terminals and connect data interfaces.

Screen pixels selectively absorb ambient light to improve contrast while reflecting projected luminance for high quality images.

Dedicated parallelizing parts homogenize and align RGB light before the combiner, removing separate color separation optics to shrink device volume.

A head-up display system detects driver line of sight to generate real-time correction data for projected image light.

A stereoscopic display splits incident light into polarized components and uses liquid crystal panels to delay phases, converting lights to identical polarization states.

Adjusting spacing between optical elements modifies beam waist and cone angle, resolving the trade-off between imaging resolution and illumination uniformity.

Optical sensors detect excitation and converted light beams to generate synchronization signals for projection illumination modules.