Projectors TRIZ Cases

An exposed rotational member adjusts foot projection externally, while a restricting component prevents image shift during operation.

A projection module integrates micro semiconductor light emitting devices with a lens unit to create compact images.

Embedding quantum dots in a Fresnel lens expands the color gamut by at least 30% while improving heat dissipation compared to conventional filter-based systems.

Time-division beam shifting minimizes light diffraction in miniaturized micromirror units, enhancing image resolution without increasing chip size.

A light source module uses a dichroic mirror with a passing area to transmit color light through a wavelength conversion unit.

Ovoid-shaped recesses in a serrated film edge engage retention plates, distributing tensile forces to prevent stress tears and distortion.

Segmented stationary modules replace dynamic phosphor wheels, eliminating balance adjustments while expanding heat dissipation areas for brighter projection.

A projection display apparatus features interchangeable imaging lens mounting portions to select optics matching the projection lens focal length.

Carbon deposition on the cathode tip prevents deformation and flicker, extending lamp lifespan to 910 hours.

An orthogonal rib on the connecting part restricts X-directional deformation, increasing oscillation angle per unit voltage.

Projector with adjustable arm projects images onto magnetic vehicle screen, eliminating permanent paint or sticker installation time.

A projection optical system combines a dioptric lens group with a catoptric mirror assembly to redirect light paths.

Dynamic selection of tapered beam portions maintains uniform spot sizes, resolving non-uniformity caused by variable projection distances.

A projection display unit uses a transmittance adjuster to manage light rays in the detection optical path.

A light guiding system with an optical path correcting assembly aligns imaging positions of excited and reflected light beams.

A projector circulator guides intake air to a fan suction port, creating an efficient cooling path for internal components.

Superfine nickel-chromium alloy fibers woven with tight spacing eliminate Moire patterns and glare while maintaining flatness for clear projection.

Grooved fin elements improve air circulation and reduce rotational resistance while preventing heat accumulation in rotary cooling devices.

A projection optical system uses a specific 1-2 lens group to enable wide zooming ranges in compact portable devices.

Segmented fan exhausts and extracted air ducts reduce flow resistance to increase cooling airflow while maintaining a thin projection device profile.

Multiple attachment holes on the duct cover enable flexible orientation for floor or ceiling projection, resolving fixed mounting constraints.

A laminated structure uses an n-type third semiconductor layer as an electrode to reduce light absorption and maintain low electrical resistance.

A projector diffractive element dynamically controls light diffraction to redistribute optical energy across the display field.

A thin film lenticular display device uses flexible web processes to manufacture dimensional images without rigid substrates.

A wavelength conversion module uses a particle-filled thermal conductive adhesive layer to move heat from the phosphor sheet to the substrate.

An optical path selecting element alternates laser light transmission to wavelength conversion devices for combined emission.

A transparent projection screen uses a Fresnel structure layer to reflect projection light while transmitting ambient light through matched refractive indices.

Integrally molded housing combines reflector cone, diffuser, and lens mounts to eliminate separate component manufacturing steps.

A beam-splitting element uses non-overlapping pattern films to control light transmission and reflection for projection devices.

Segmented metal electrodes on transparent layers resolve the trade-off between low resistance and light blocking, preventing screen shadows.

Airflow devices create shedding vortices over optical fibers to induce controlled vibration, eliminating image defects without mechanical stress.

A projection system detects physical objects and characterizes their surface properties to modify source images for accurate display.

Time-multiplexing a single projector across distinct pathways resolves the contradiction between multi-location display coverage and system complexity.

A phosphor wheel reflective luminous layer uses a resin matrix with high thermal conductivity phosphors to enhance light conversion efficiency.

A projecting apparatus positions a light source axis parallel to a reflective light valve surface within perpendicular imaginary planes.

Current detection triggers light modulation and supply cutoff to prevent high-power density emission and reduce suspended state duration.

Rotating micro-lenses route light through separated optical paths, reducing power consumption and cost while maintaining imaging quality.

Dual intake ducts route outside air to cool the power supply without increasing noise or dust contamination.

Dynamic power control of multiple laser beams resolves the contradiction between broad color gamut and monochromatic stimulation discomfort.

A projection apparatus generates image data including focus fixed position information to facilitate peripheral focusing on nonplanar surfaces.

Localizing roughness on a phosphor end surface scatters confined fluorescence to resolve extraction inefficiencies and boost intensity.

Pre-stored parameters in a dedicated light source processor enable independent activation, reducing startup delay and power consumption.

A head-up display drive lens shifts along the optical path to adjust virtual image sight distance.

Rotating internal mirrors within the projection lens assembly switches orientation without enlarging device volume, maintaining compactness.

Integrating a reflective photodiode merges detection and turning optics, reducing component count and package size.

Synchronized pulsed operation of a green laser and optical switch resolves bandwidth restrictions while reducing energy consumption.

A projector discharge lamp applies a heating current to the second electrode during shutdown to prevent mercury condensation.