Projectors TRIZ Cases

Multiple focusing spots distribute thermal stress across the phosphor, improving reliability and reducing device volume without mechanical rotation.

Back focal length-adjusting spacer in adapter connects incompatible projection lenses to projectors.

Merges optical elements with the light source inside a cryogenic chamber to eliminate thermal expansion misalignment and reduce system volume.

A laser source assembly uses a polarization direction adjustment component to modify beam coherence and improve image uniformity.

A projection optical system uses a compound element with concave reflecting and convex transmissive surfaces to fold the light path.

A dual phosphor illumination apparatus uses a beam combining element to merge light paths from opposing laser and LED sources.

Merging cooling functions into one unit reduces device size while maintaining thermal reliability for liquid crystal panels.

A spectroscopic optical element combines blue, green, and red light components using distinct spectral areas to enhance color reproducibility.

Image processing apparatus calculates heat quantity values for projected data to generate processed images with reduced thermal output.

Positioning a heated wireless device downstream of the exhaust fan allows partial airflow cooling while maintaining separate exhaust ports to prevent blockage.

A faceted waveguide plate directs light to discrete refractive elements for precise collimation.

Mechanical light blocking units replace electro-optical crystals to reduce power consumption while maintaining high modulation frequency.

A projection device uses a dynamic light path transformation unit to switch optical states and direct light rays across multiple distinct projection regions.

A retractable reflective screen extends to display images from portable projectors.

Actuator rotates light combination element to direct excitation beam across optical areas of wavelength conversion module.

An adjustment mechanism modifies the distance between optical members to suppress TV distortion and aberration in projection systems.

An illumination unit stabilizes laser brightness against temperature fluctuations by controlling light quantity distribution before detection.

A transmission optical element forms distinct information elements on side surfaces while maintaining substrate transmissivity for external views.

Microstructured optics transform oblong laser spots into rectangles matching uniforming element ends, eliminating shape mismatch losses.

An inclined closed ring guiding rail decouples the driving force from the optical assembly, preventing casing deformation during manual adjustment.

A conical reflecting unit directs laser light into a rod integrator, resolving the contradiction between compact projector size and effective heat dissipation.

Dynamic lens region formation steers projection light to resolve the trade-off between wide coverage and high energy density.

A transparent substrate supports a wire grid polarizer and an optically anisotropic layer to merge optical functions into one component.

Segmenting red light sources into controllable arrays resolves luminous efficiency losses while maintaining high image brightness.

A calibration method scans convex reflective elements to detect measured intensity profiles and adjust the control system for optimal light field modulation.

A projection system positions a light source obliquely relative to a lens plane to extend the focal region and deliver clear visual indications.

A light guide member with position restriction members aligns the phosphor within a groove to maximize excitation light exposure.

A projector lens barrel uses separate fixation sections to independently secure the holding member and light modulating optical system.

A resilient member in a projector holder pivots to bias or release a light source device, eliminating screw removal during replacement.

A biaxial phase difference compensation element with an oblique vapor deposition layer aligns its slow axis to the liquid crystal fast axis.

A scanning projector screen with a curved surface maintains constant distance from the rotation axis to ensure homogeneous beam diameters.

A projector control unit manages discharge lamp driving current waveforms to maintain electrode temperature stability.

A projection apparatus uses an optical actuation element to adjust sub-image beam transmission paths.

A retardation element converts linearly polarized blue light to circular polarization, eliminating color unevenness in projected images.

Concentric red and yellow phosphor regions on a substrate overcome thermal decay to maintain high lumen output and color balance.

A rotatable light reflection assembly redirects projector output via mirror rotation without moving the device body.

Asymmetric actuators on a diffuser surface generate non-integer frequency waves that eliminate standing nodes and reduce visible speckle.

Rod integrator combines color light beams while cylindrical lens reduces divergence angles to shrink light source apparatus volume.

Sensing element detects position offsets between imaging origins, enabling the lens control element to adjust movement parameters for consistent focus.

Depth sensors detect ripples while distortion mapping adjusts projected content, enabling reliable user interaction on moving liquid surfaces.

Multi-lens arrays divide light into partial beams that superimpose on the target area, reducing speckle noise while maintaining high luminance.

Segmented micro-LED sources illuminate specific LCoS panel regions to resolve the trade-off between uniform coverage and power consumption.

Segmented optical pipes replace long light guides to shrink system volume while maintaining beam homogeneity.

Segmented light diffusion units maintain image visibility when people obstruct the screen path.

Asymmetric modulator drive splits polarized light beams to project symmetrical stereoscopic images without half wave plates, preserving brightness.

Merging visible and invisible light paths through a single modulator resolves displacement detection inaccuracies in projection systems.

A dual-substrate lenticular lens element uses an isotropic intermediate material layer to minimize surface reflections and improve image contrast.