Projectors TRIZ Cases

A projection zoom lens uses segmented stationary and movable groups to maintain telecentricity while correcting optical aberrations.

A light source unit uses a segmented luminous wheel to converge primary and secondary light sources into a single optical path.

A projector position detector identifies user indications on a screen to manage projection configurations through direct interaction.

Polarizing plates on windows and screens manage light entry, blocking ambient interference to maintain high contrast in bright rooms.

A light source device uses circuitry to drive emitters at specific angles for uniform illumination.

A projection system adjusts image colors in real-time using light sensor feedback to compensate for surface coloration.

Virtual segmentation circuits gate reflections from outside predefined regions, eliminating separate cameras and reducing device complexity.

A polarization conversion integrator with beam splitters and half-wave plates manages light distribution in projection displays.

A blackening layer on non-optical lens surfaces absorbs stray light, preventing contrast reduction in compact projection devices.

Refractive free-form surfaces in an optical channel array produce Köhler illumination to resolve blurring and luminous flux loss during miniaturization.

Segmented aspheric lens groups correct distortion below 1.5% while maintaining short projection distance and high imaging quality.

Light-incident-side polarizing element directs polarized light to reduce lens degradation and maintain color accuracy in single-panel projectors.

A projector control device uses digital and analog delay elements to synchronize light beams with projection unit deflection.

A reflective filter redirects blue illumination light back onto a phosphor to generate additional yellow light components.

Multiple optical machines project onto segmented circular screen areas, eliminating the need for short focal length lenses in compact spaces.

Integrating red and blue laser elements in a planar arrangement reduces optical layout complexity and production costs while maintaining color reproduction.

A wavelength conversion element uses segmented flow guiding structures with directional holes to remove heat energy from the substrate and fixed ring.

Dual optical paths generate separate marks on a detector to isolate positional drift from wafer displacement data.

An interference suppression layer stabilizes wavelength variations in a head-up display projector, maintaining brightness and color balance.

Arranging four laser sources in an imaginary plane perpendicular to the optical axis reduces apparatus volume while maintaining image brightness.

A polarization converter uses beam splitting and retarders to generate circularly polarized light.

A dual refrigerant flow generator cooling system adjusts airflow intensity based on real-time thermal feedback to maintain stable operating temperatures.

A projection optical system uses a movable focus lens group to correct curvature of field and coma aberrations in the second refractive optical system.

Radial grooves in the wavelength conversion layer suppress lateral fluorescence spread, resolving efficiency drops from non-uniform extraction.

Concentric ring-shaped grating units absorb directional ambient light to boost contrast and brightness uniformity without increasing optical engine costs.

A MEMS scanned beam projector system dynamically adjusts scanning angles to correct image distortion.

A polarizing device sandwiches a synthetic resin film between glass members, using a resilient plate to expel trapped air and ensure optical accuracy.

Asymmetric tilt angles between the display device and projection surface minimize edge spot size, resolving resolution loss from conventional geometry.

Adjustable alignment structure positions light sources and dichroic mirrors to resolve green LED excitation inefficiency and boost projected image brightness.

A hybrid light source apparatus combines LED and laser beams to enhance brightness in projection systems.

A solid-state light source device uses a parabolic reflector and disc-like member to condense excitation light into a point-like white beam.

Electronic device captures projection plane image to generate color adjustment template, correcting color mismatch on non-white surfaces.

A projector generating section produces resolution information for tiling and stack modes to notify an image supply device.

Changeable detection light radiator distances and concave mirrors homogenize flux density, resolving low contrast areas that hinder pointing element detection.

A matrix of solid-state light sources with specific pitch ratios and divergence angles optimizes radial beam distribution through a collimating lens array.

An input wedge expands the light beam fan-out angle to resolve the projector size versus field-of-view contradiction in eyeglass displays.

Concentrating suspension and actuation members on corner disposing areas reduces optical actuator volume.

Removing the motor from the fluorescent wheel reduces device volume while maintaining wavelength conversion effectiveness through optical rotation.

An integrated wavelength conversion module combines a dichroic filter and color wheel to reduce component count, weight, and noise in laser projectors.

A projector adjusts its projection direction and image type using sensor data to identify user position.

Independent liquid crystal panel holders with jointing sections fix panels to a color synthesization prism pedestal.

A wavelength separation device uses a waveplate and polarization plate to separate image light into distinct polarized beams.

Segmented transparent panels enable real-time VR projection for external observers, resolving the lack of shared interactive simulator platforms.

A light source device emits spatially separated polarized beams using polarization split elements and retardation elements.

A projector transmits adjustment instructions to other projectors based on its own projection area.

Segmented flow paths separate heated air from cooled supply, lowering enclosure temperature while preventing dust entry.

A light source apparatus uses a rotational diffusion plate and collimator lenses to manage laser beam distribution.

A color separating optical system uses a tilted second dichroic film to redirect diffracted light rays away from the image sensor.

Segmented color wheels transmit compensation light directly, eliminating phosphor scattering losses and improving color accuracy in projection systems.

A polarization converting element aligns modulated light radially to ensure uniform intensity distribution across the projection plane.