Projectors TRIZ Cases

A sapphire wave plate resists UV and heat in outdoor HUD optics while preserving polarized image visibility, even with sunglasses.

Variable-pitch RGB micro-LED panels replace lossy RLCOS polarization optics, boosting brightness, switching speed, and power efficiency.

A lanthanum phosphate surface film on La-Ce-Si-N nitride phosphor improves light extraction and brightness without excessive phosphorus loading.

A boron- or silicon-shell phosphor balances surface area and low sodium content to raise emission intensity while preserving crystal stability.

A thin light-diffusion layer separates the LCD panel from the heat-transfer member to limit optical interference without sacrificing heat dissipation.

A light-diffusion layer separates the LCD panel and heat-transfer member to improve heat dissipation while reducing optical interference.

A solder-bonded optoceramic phosphor on a metal heat sink improves heat transfer and prevents cracking under high-power laser heating.

Laser sintering a sol-gel phosphor layer replaces glue and pressing steps, improving thermal resistance, light transmission, and conversion efficiency.

A light-diffusion layer between the LCD panel and Fresnel lens reduces interference while preserving heat dissipation in a head-up display.

A reflective optical member and sensor detect returning external light early, letting the HUD prevent display overheating and optical damage.

Quantum dot films on a projector color wheel replace yellow phosphor to widen color gamut and improve high-power image quality.

A light-diffusion layer separates the LCD panel from the heat-transfer member to limit optical interference while preserving heat dissipation.

Lenticular lenses create a 3D lit image that gives separate automotive lamps a more uniform, continuous, and distinctive appearance.

A camera-guided projector moves itself, tests image quality, and adjusts beam position and angle for hands-free projection.

A guided bracket and limit-groove mechanism lets the lens cover rotate without housing interference while closing the gap at the projection hole.

Independent pan, tilt, and roll knobs with nested movable plates improve projector alignment accuracy without a bulky, hard-to-use mount.

AI-guided camera feedback moves the projector and adjusts beam angle and height until the projected image meets target conditions.

Controlled mechanical stress flattens a convex DMD, improving phase interference uniformity and cutting scan mura in digital lithography.

Magnetic elements and secure clamping let camera accessories attach and detach quickly on hot shoes while reducing misalignment.

A lift-and-rotation mount decouples projector height and angle adjustment, keeping image size, shape, and orientation aligned to a reference point.

A rotary base with an integrated stand mount lets heavy projectors attach to tripods more easily while reducing shake and preserving balance.

A spring-biased lock lever secures a projector handle on a ceiling hook while the tubular rod conceals cables for safer installation and removal.

An elevated cart operator lets users move and adjust projectors in place for projection mapping without removal or awkward bending.

A top-mounted control panel on a wheeled projector cart lets operators align projection mapping while standing and avoid accidental inputs.

Camera-based road mapping guides projected marking layouts, cutting survey time, operator skill needs, and traffic disruption.

Optical projection replaces manual surveys and satellite-linked equipment for quick, accurate road surface marking with less setup burden.

Left-right moving parts and elevating racks let a portable projector self-adjust height and orientation for clear, level images on varied surfaces.

A two-way mirror display uses touch and presence sensing to show virtual product try-ons only when needed, reducing idle power use.

Equal-frequency beam deflection drives a light spot in a varying circular path to improve pixel spacing, scan coverage, and projection precision.

Replacing adhesive bonding with a partial welding structure helps wavelength conversion assemblies resist heat, avoid contamination, and shorten production time.

Interlocking hinge teeth and elastic pressure enable precise angle fixing with lower wear and lower replacement cost in a supported electronic apparatus.

A top-mounted rotating part drives the foot pad screw mechanism to change projector height and speed image angle adjustment.

Worm and one-way transmission members hold an electronic device angle without continuous motor power, reducing wear and resisting external force.

A recessed housing region hides projector suspension brackets while preserving mounting ease, internal space efficiency, and a cleaner installed appearance.

Light-emitting drones and user-device image reconstruction cut airspace demand, fuel use, and multi-drone coordination in sky displays.

A switchable diffuser lets one projector deliver spot and flood modes, cutting module footprint, assembly complexity, and cost.

Nearly equal 2D deflection frequencies and time-varying radius create circular beam scanning with uniform pixel distribution and wider coverage.

A split base structure adds rigid and compliant mounting points to keep suspended projectors strong without shifting optical alignment.

Dual-axis rotation lets the projector aim horizontally and vertically automatically, removing manual direction changes for multi-azimuth projection.

A pivoting arm and slide assembly let sports enclosure projectors adjust height and throw distance precisely across different crossbeam layouts.

A lockable stand combines retractable charging and surface projection so shoppers can handle devices securely while viewing up-to-date product details.

A clamp-mounted under-desk support stabilizes a monitor while freeing desktop space and simplifying assembly with a lever lock.

A magnification optical system enlarges the slow-axis beam to improve light-guide coupling and allow closer laser diode spacing.

Multiple temperature sensors trigger fan boost, laser power reduction, and shutdown thresholds to prevent projector overheating without abrupt playback loss.

Movable blockers let a projection screen housing lock securely to wall or ceiling mounts while still allowing quick attachment and removal.

A projected touch display lets retail devices stay locked and charged while showing up-to-date product information on the stand surface.

Reciprocating cleaning with a load-releasing move removes toner from transmissive members while reducing wire tension and breakage risk.

Multiple seat surfaces and recesses spread heat in a projector rotor, preventing substrate cracks while maintaining fixing strength and balance.

A manually rotatable imaging module changes projection direction without tools, motors, or control circuits, cutting projector size and cost.

Alternating turbulence portions on a rotating turntable enhance heat dissipation within limited space constraints.

An external processing device receives keystone parameters and generates corrected images for projection.

Extending wires absorb vibration stress from magnetic coils, preventing metal fatigue fractures while maintaining pixel quality.

Detecting circuit layers within an optical film stack identify DOE cracks or water drops, preventing eye damage from concentrated laser energy.

A single integrated optical element combines light collection, collimation, and homogenization functions to replace bulky multi-lens assemblies.

A compositing screen uses a transparent front layer to overlay images from separate light sources onto a single display surface.

A laser illumination device uses collimators and an expander lens to unify light paths.

Rotating the resin lens prevents local heat accumulation that degrades optical performance in projection systems.

External heat pipes and fins bridge the sealed enclosure boundary, enabling high-efficiency thermal radiation while blocking dust ingress.