Projectors TRIZ Cases

An angle adjuster sets the reflective projection lens orientation to reduce field curvature without increasing design complexity.

Segmented fan arrays manage internal heat while reducing noise in high-luminosity projectors.

Segmenting the heat sink reduces projector volume while maintaining cooling function through a detachable cover member.

A cubic multi-prism beam splitter directs orthogonal polarized beams to spatial light modulators for compact multiple image projection.

A cable holder positions projector wiring above the installation surface to maintain vertical clearance.

Phosphor stripes convert laser beams into vivid colors, eliminating bulky lens systems and improving contrast ratios in compact displays.

A projection lens unit employs holding pieces made of materials with different linear expansion coefficients to constrain optical components within the barrel.

Integrating balance correction holes into the metal substrate eliminates adhesive degradation from heat, preventing vibration and extending service life.

Angled projection screens reflect light in specific angular ranges to direct illumination toward the audience.

Composite negative C and O plates compensate phase shifts from pre-tilted liquid crystals, suppressing luminance irregularity during black display.

A projector separates projection and power supply enclosures to enable lightweight ceiling installation.

A projection display optical system uses a reflective mirror to separate illumination and projection light paths.

An elastic second cover presses the panel against a first cover, reducing stepped portions to improve cooling airflow and prevent dust accumulation.

Optimized focal distances in a two-unit projection optical system prevent distortion while maintaining compactness.

An inorganic binder replaces organic silica gel to withstand 400°C to 600°C temperatures, preventing substrate deformation and maintaining reflectivity.

A half mirror with a polarization rotation layer aligns RGB sub-pixels, eliminating separate jigs and reducing manufacturing costs.

A lighting method switches between constant current and power control modes to stabilize lamp discharge during operation.

Tilted turbulent structures on stacked fins disrupt airflow to enhance convection efficiency without increasing fan speed or device volume.

Curved micromirror arrays project modulated light onto screens with minimal pixel overlap to achieve high perceived resolution.

Segmented color wheels mix dual light sources to compensate for manufacturing deviations and prevent timing overlap.

Light processing bodies in the phosphor wheel substrate absorb back-surface incident blue light, preventing contamination of red and green fluorescence output.

Replacing rotationally symmetric components with asymmetric free-form surfaces resolves the trade-off between wide field of view and image quality.

An intermediary driven member transmits adjustment forces away from the projection lens shell, preventing structural deformation and maintaining image quality.

Segmented inclined surfaces redirect excitation beams to lower energy density, preventing optical element burning and allowing smaller condenser lenses.

A projection display device uses a single condensing lens with high refractive index to convert light into condensed and collimated beams.

Airflow path forming member directs air across a heatsink to absorb heat from a heater, maintaining low temperature for projector light sources.

Counter-propagating all-fiber MOPA generates ultra-short pulses to broaden linewidth and reduce speckle noise while maintaining high brightness.

A multidirectional-plane lens refracts laser beams to specific positions on a conversion module, preventing phosphor burning.

Superluminescent light emitting diodes replace arc lamps to eliminate polarization losses and thermal degradation, achieving high power efficiency.

A wavelength converter uses a high refractive index transmissive member to redirect fluorescence for better light extraction.

A lighting device uses a central reflector and lateral reflector to redistribute light from the center toward the edges of the field.

Screw-driven dual-axis frames rotate independently to adjust optical angles without increasing mechanism complexity.

Cholesteric liquid crystal dots on a substrate expand the viewing angle range of projected images while maintaining clear visibility of front scenery.

Mating multiple first light-emitting structures creates a spliced invisible light screen that resolves insufficient uniformity across the projection area.

A projector polygonal mirror integrates a rotating blade to generate airflow for cooling heat-generating components.

A projector polarizer transmits unused light polarization to a solar cell for electricity generation.

A laser illuminator aligns red, green, and blue light fluxes using a band retardation film downstream of a light combiner.

Extracting the optical sensor from the main path eliminates screen shading while maintaining flicker detection accuracy for common-electrode voltage control.

A projection display apparatus uses a shifting device to rotate multiple frames along specific axes.

A recycling element reflects zero-order light back into an optical waveguide, reducing energy loss and enhancing transmission efficiency.

Connected device controller grants display authority to prioritize image data transmission, preventing network band congestion and CPU load.

A dual-light source illumination optical system combines beams using a rod integrator and ½ phase plate.

A projector uses an optical element to share pixels across light modulators, creating spatially varying pixel density in the output image.

A photo detector monitors light passing through a phosphor wheel to identify deteriorated sites within the illuminating device.

Mirror box illumination assembly delivers uniform radiance through multiple reflections and a transmissive diffuser.

A light source device merges red, green, and blue laser diodes into a single unit with aligned center axes to minimize projector size.

A light source module uses a rotating reflector to sweep light across a stationary fluorescent ring.

Fixed dichroic mirrors replace bulky optical wheels, reducing projector size and power consumption while managing incident angles.

Rotating a diffusion substrate temporally changes the speckle pattern to reduce noise in laser projection images.