Projectors TRIZ Cases

A chromatic aberration lens condenses white light to detect wafer height via reflected wavelength analysis.

A resin layer between the rod lens and phosphor sheet prevents fluorescence loss while reducing heat transfer to the light guide.

Segmenting excitation light with dual lens arrays reduces phosphor temperature rise and maintains wavelength conversion efficiency in projectors.

A laser projection illumination system uses free-space optical paths to align beam clusters and reduce etendue without fiber coupling losses.

An integrated color wheel merges transmission and reflection zones to reduce motor-driven units, minimizing optical loss in projectors.

A projection apparatus uses multiple two-fluid nozzles to atomize liquid and gas into a controlled mist.

Segmented holding members in a tubular crossbar distribute tension evenly to prevent wrinkles and maintain flatness despite environmental changes.

A projector detects ultraviolet light intensity from a discharge lamp to determine the deterioration state of its light emitting tube.

Negative C-plates match retardation to liquid crystal cells, reducing luminance loss and color shift at large angles of incidence.

A projection direction change device uses a mirror supported on two axes to reflect light from a projector lens unit.

Sets asymmetric illumination axis to prevent beam overlap and maintain uniform brightness distribution.

A single rotating color wheel integrates wavelength conversion and light splitting to generate uniform illumination beams.

A light-source device uses spatial separation between excitation light and wavelength converter flux to prevent damage.

Fins nested inside bent heat pipe openings resolve the contradiction between restricted interior space utilization and heat dissipation efficiency.

A liquid crystal display insulating film positions standing wave nodes to reduce photoreaction at the orientation film interface.

Segmentation resolves the contradiction between preventing stray light and simplifying optical element arrangement in projection displays.

A multi-layer oxide stack prevents silver oxidation and aggregation under high-power laser conditions, maintaining reflectivity and structural stability.

External air guiding channels remove heat from the optical engine cavity, preventing internal temperature rise that degrades projection quality.

Separated heat dissipation structures cool individual color light-emitting units, preventing cross-heat interference in miniaturized projectors.

An image correction system adjusts projection parameters across multiple surfaces to produce a unified visual output.

A projector base frame incorporates a gap between optical units to accommodate thermal expansion and maintain structural rigidity.

An error correction model compensates for micro-mirror coupling distortion during source mask optimization iterations.

Replacing solid glass with a fluid core reduces weight while maintaining optical properties for large-area displays.

An asymmetric modulating surface transforms elliptical light into a circular spot, resolving optical utilization loss in projection systems.

Segmented heat paths cool a reflective spatial light modulator independently, preventing dust contamination while maintaining thermal control.

Optical projection replaces mechanical marking to display lumber grades and defects, preventing surface damage while maintaining accurate tracking.

A projection optical system segments lens groups to move independently along the optical axis for precise focusing control.

Adjusting housing mount angles distributes light across multiple phosphor wheel spots, preventing excessive intensity that reduces emission efficiency.

A laser light source system directs beams to separate conversion and scattering devices.

A light source device uses an optical-path changing member to redirect illumination light from multiple emitting elements onto a single condensing lens.

Dual-side emission eliminates reflective layer absorption, boosting combined light brightness by 20%.

A projection lens uses a reflective optical element to redirect the image beam toward a refractive element, reducing component count.

A micro-lens array homogenizes multiple light beams to reduce beam width, enabling smaller projection lens apertures and decreasing manufacturing cost.

A wedge mechanism adjusts a light modulator plate against biasing forces to achieve precise sub-pixel alignment.

A thin film optocoupled active matrix backplane uses pixelated light sources to control solid state optical switches.

Extracting color filtering to a separate light source preserves LCOS resolution while delivering sufficient illumination power.

Variable reflection and absorption diaphragms coordinate to resolve the contrast brightness trade-off in laser projection systems.

A projector adjusts its optical axis using a motor-driven spindle and worm gear transmission to rotate the projection lens assembly.

Orthogonal liquid crystal alignment directions suppress disclination in reflective projection panels.

A wire grid polarizer employs a nested metal subgrid to boost bond strength, resolving the trade-off where finer pitches reduce contact area.

Merging multiple optical functions into one element reduces design complexity while maintaining image quality and suppressing intermediate image size growth.

An adaptive light source module uses a prismatic surface to fill gaps between emitter arrays and control illumination distribution.

A wavelength converting device uses a light spot adjusting layer to diffuse incident light and excitation light via refractive index differences.

Segmenting the lens into four groups with aspheric elements resolves miniaturization and resolution trade-offs while maintaining thermal stability.

A refractive/reflective optical element merges a reflection surface member and a refractive medium portion to redirect image-forming light beams.

Alpha blending separates stereo and non-stereo content processing, preserving blue-line visibility during window overlap.

A head-up display adjusts virtual image depth to separate focal planes for distinct visual recognition.

Optimizing digital micromirror device tilt angles reduces diffraction degradation and improves transmission efficiency in laser projection systems.

An elastic member seals the wavelength conversion element to prevent dust ingress, eliminating adhesive degradation and maintaining high sealability.