Projectors TRIZ Cases

Separate actuator placement prevents magnet demagnetization while thermoelectric cooling maintains liquid crystal responsiveness for high-speed pixel shifting.

Localized diffusers reduce energy concentration and heat generation while maintaining blue light brightness in projection devices.

A six-group projection lens moves three internal groups to change magnification while an aperture stop sits between the third and fifth groups.

A laser projector light collection system forms an intermediate image using a specific numerical aperture.

Spatially separated phosphors on a rotating wheel resolve the contradiction between device complexity and color rendering flexibility.

A projection device uses a varifocal lens module to adjust focal length and match the convergence distance induced by binocular parallax.

Positioning the airflow outlet near the side surface geometry center ensures uniform cooling of the phosphor wheel to maintain optical efficiency.

Concave structures in the light source module increase conduction paths through insulating elements, mitigating laser diode overheating.

Wavelength selective wave plates rotate polarization orientations to suppress ghost images in projection displays.

A retro total reflecting telecentric optical engine integrates dual LED light paths through a dichroic combiner and prism set to achieve conjugate imaging.

Integrating the lambda/4 plate with a compensation layer simplifies the optical path, reduces assembly labor, and enhances contrast in projection displays.

Integrated substrate structures combine dichroic reflectors to reduce device form factor for head-mounted displays.

Asymmetric lens curvature directs oblique illumination to minimize crosstalk, increasing image brightness by 20% compared to conventional arrays.

An embossed hologram lens array creates floating 3D images while maintaining high light permeance and contrast.

A projector system uses a tiltable mirror and angle detector to reflect images across multiple directions.

Buttons shift to a sidewall to prevent hand blockage of the projection image.

A thermal conductive holding member supports a semiconductor light source while conducting heat away from the device.

Segmented curved reflective surfaces correct aberrations and reduce volume occupancy in near-eye display systems.

Static phosphor modules with tapered cavities distribute laser light uniformly, eliminating rotating wheels and reducing thermal quenching.

Integrating clutch mechanisms with rotation shafts reduces component count and mechanical stress, solving space constraints in projection displays.

Bending a flexible carrier positions optical components accurately while rejecting defective parts early to reduce assembly complexity.

A polarizing illuminator uses a lens and reflective polarizer to collimate light.

A non-telecentric projection optical system uses segmented lens groups and a concave mirror to manage light beam convergence.

Serial wavelength conversion units extract only converted light to eliminate unexcited rays, ensuring uniform projector illumination.

Dynamic repositioning of the fluorescent material extends its operational life while maintaining high light use efficiency in laser projector systems.

A projector stacks the speaker above the optical unit to emit sound upward while shaping light divergence angles asymmetrically.

Separate laser sources feed dedicated diffusing members with dielectric multilayer films tuned for specific wavelength bands.

A light-emitting device integrates a conductive wire grid layer to polarize generated light and distribute electric current across the semiconductor structure.

Fresnel prism arrays steer light by polarization state, enabling a single projector to cover multiple screen regions without resolution loss.

Segmented base regions direct light to specific areas where a fluorescent member and filter correct chromaticity while reducing heat generation.

Spatially separated polarization separators align color light fluxes without small-interval converters, enabling projector size reduction.

Air-sandwiched liquid crystal microdroplet panel structure maintains optical interface for projection applications.

A multi-laser light source system combines blue, red, and green lasers with a wavelength conversion element to form adjustable light output.

A tapered fin plate generates turbulence in cooling air between the light modulator and polarizer.

A polarizing beamsplitter and half-wave plate rotate unpolarized rays to orthogonal components for efficient delivery.

A projector holding apparatus positions a laser detecting module along an extending direction to match the projection image size.

A MEMS projection device adjusts pixel streams to maintain safe laser emission levels.

A polarization direction conversion layer balances P and S polarized light intensities to resolve color aberration in 3D projection displays.

A projection apparatus uses an image splitter to separate visual signals into distinct sections for simultaneous display across multiple vehicle areas.

Segmented laser diodes expand the dynamic range of structured-light scanners, resolving low decode rates caused by fixed light sources.

A positioning method for display screens in optical modules uses coaxial light paths and image receiving devices to detect positional deviations.

A coaxial laser light source apparatus aligns multiple laser beams using optical path adjusting elements to ensure uniform intensity and color.

Cemented wavelength conversion element guides excitation light through a sapphire substrate to homogeneously irradiate the phosphor layer.

A projection instruction device generates visual cues on parcel surfaces to guide manual sorting operations.

Segmented micro-ridges with dark top coatings eliminate ceiling reflections to boost image contrast without complex manufacturing.

A light field projection system uses movable mirrors to scan a screen of convex reflective elements.

A SrMgAlO phosphor with controlled particle size distribution enhances green light emission intensity and color purity.

Beams extend along the second oscillation axis to couple frames, increasing rigidity against impact loads while maintaining lightweight design.

Multi-channel optics align non-circular apertures with image features to maintain directional depth of field across inclined surfaces.

A micro-lens array with a pitch larger than the pixel pitch directs diffuse light rays to specific reaching positions on a projection target.