A projection system uses a light-adjusting diaphragm element to purify image light by filtering specific wavelength bands.
A projection display system adjusts image light to avoid obstacles using distance measurement and obstacle detection units.
Alternating spectral bands in tunable light emitters maintain continuous optical output, resolving brightness loss from traditional filter-based separation.
A polarization rotator alters beam orientation between frames to deliver distinct perspectives to each eye.
A movable auxiliary projector adjusts light beam angles to increase perspective information, resolving fixed array limitations.
A scattering element uses variable haze values to distribute illumination light beams across different optical zones.
A projector detects surface conditions and corrects source images using pre-calculated coefficients to maintain projection fidelity.
Lenticular layer with convex microstructures directs projector light to enhance gain while black nanoparticles absorb ambient light to improve contrast.
Alternating sensor operation periods prevents light interference, ensuring accurate illuminance measurements while maintaining reliable obstacle detection.
A projection apparatus uses a multi-light valve illumination system to distribute optical energy across separate red, green, and blue channels.
A phosphor wheel with filter segments selects specific wavelengths from laser illumination to enhance color accuracy in imaging systems.
Merging display and projection functions reduces electronic device thickness while maintaining scanning efficiency.
A dual blue laser illumination system directs light through a phosphor wheel and homogenizing element to generate precise color output.
Perpendicular opposing air streams collide on liquid crystal panel surfaces to boost heat transfer efficiency without increasing fan noise or device size.
A color wheel heat dissipation device directs cold airflow through sequentially arranged housing cavities to maximize heat exchange rates.
Segmented microlens arrays reduce structural complexity and stray light while improving light utilization efficiency in compact projectors.
A single axial-flow fan cools projector components through sequential airflow paths.
Lighting device detects blue crosstalk from yellow phosphor and adjusts source luminance to correct color balance shifts caused by temperature deterioration.
A bi-directional excitation color wheel integrates concentric fluorescent and translucent regions to generate primary colors within a single optical component.
Matching material layers bridge refractive index gaps in a wavelength conversion layer, improving light reception efficiency and phosphor wheel reliability.
Diffractive optical elements segment laser beams to eliminate speckle while maintaining brightness in ultra-compact personal projectors.
A cooling device uses intersecting airflows to generate a collision jet that thins the boundary layer over heat discharge surfaces.
A multi-projector tiled system uses asymmetric overlapping areas to adjust luminance discrepancies across the display surface.
Integrated water spray units create dynamic visual performances for commercial attraction.
A movable camera measures distance to a projected region and adjusts its position for accurate input sensing.
Temperature-based feedback control dynamically adjusts drive current to suppress phosphor deterioration while maintaining optimal illumination intensity.
Displacing the polarization converting element reduces heat-induced adhesive degradation and improves reliability.
A light source adjusting device uses angle selecting layers to direct LED beams through wavelength conversion.
A light source device uses a polarization direction conversion element to transform linear polarized light into elliptical polarized light.
A filter device comprising red, green, blue, yellow, magenta, and cyan units controls wavelength transmittance to position light points near the RGB triangle edges.
A projector light exit adjustment mechanism controls component light flux angles from multiple self-luminous devices.
A projector illumination system uses a rotating reflection transmission member to switch excitation light paths across phosphor segments.
A segmented reflective layer distributes laser energy across a phosphor wheel, preventing thermal deterioration of the wavelength conversion layer.
A rotating subassembly adjusts the second lens component relative to the first, altering the outgoing light beam angle.
A rotating phosphor wheel uses a coupling part to thermally connect the substrate to cooling fins.
Segmented optical filters with varied inclination angles reflect green light to resolve contrast and color uniformity trade-offs.
Segmenting power conversion and driving circuits eliminates idle components while enabling real-time speed adjustment for multiple color wheels.
Segmented scattering elements and a homogenizing element reduce optical interference in laser systems while maintaining high light efficiency.
Segmenting light via a MEMS reflector shapes highlights to reduce wasted source energy and lower thermal management costs.
A hollow motor houses a coupling member thermally linked to the wavelength converter for efficient heat transfer.
Overlapping low-intensity beams on a luminescent resin film achieve required display brightness without excessive single-source irradiation.
A correction processing unit estimates reflected light intensity from luminance statistics and pre-adjusts the modulation unit output to maintain color balance.
Randomly arranged optical components on a diffractive substrate generate patterned light tiles, improving decode rate while reducing projector volume and cost.
A 3D display apparatus uses a fluid with suspended nanoparticles to scatter light and form stable images.
An arc-shaped shutter trajectory clears mechanical interference with rear-mounted components while concealing the image opening edge.
A two-lens projector group parallelizes light beams through segmented optical power to eliminate elliptical dark peripheries in projection images.
Redirecting reflected excitation light via a second optical element boosts fluorescence generation, resolving heat and size trade-offs in projector systems.
Intersecting light paths in space resolve narrow viewing angles and crosstalk in autostereoscopic displays.