A projection image processing apparatus detects vertices to determine distortion correction parameters for accurate alignment.
Rear-mounted convex mirror support extends through an optical member hole, clearing the light path for wider beams without increasing system size.
A projection optical system incorporates environment-conscious materials into its components to reduce carbon footprint while maintaining optical performance.
Intermediary positioning members prevent pivot shaft displacement during vibration, maintaining stable optical alignment.
An image projection device uses semiconductor light emitting devices on an inclined substrate to emit condensed light at specific beam angles.
Internal refrigerant passages nested within the panel structure resolve low cooling efficiency by enabling direct heat transfer from liquid crystal layers.
An LED-based projection system eliminates laser speckle and distortion by using a condenser lens to uniformly illuminate a pattern mask.
Varying lens diameters and focal lengths disrupt regular interference patterns, ensuring uniform illumination without complex optical structures.
A beam splitting filter device directs excitation light through distinct penetration and reflection regions to manage optical paths in laser illumination systems.
Projectors receive geometrical data to determine predistortion parameters, eliminating external sensor requirements.
A vertical winding system uses a smoothing edge and tensioning rod to prevent surface creases on large screens during rewinding.
A rotating diffuser segments excitation light to prevent localized overheating and maintain fluorescence conversion efficiency.
Segmenting openings separates gate and capacitance electrodes, reducing scanning line width while blocking light leakage.
Integrated control circuit adjusts drive currents to stabilize light emitting intensity across multiple elemental sources.
Front and side heat conducting structures reduce light valve temperature differences, extending operating life while maintaining high projection quality.
Optimized dichroic films reduce average reflectance below 0.5% for transmitted wavelengths, eliminating stray light loss in high-power laser projectors.
A light splitting module divides a single beam into multiple paths with varied polarization states to enhance optical performance.
Asymmetric curvature broadens light collection angles, preventing deviation and reducing energy loss during widescreen projection.
Conical microperforations in front projection screens reduce acoustic attenuation while minimizing optical loss and visual artifacts.
An inclined light diffusion element expands the optical beam footprint on a wavelength conversion module, reducing energy density to prevent module burning.
Periodic movement of the irradiation spot reduces mechanical wear and noise while maintaining continuous light emission efficiency.
A dynamic color control system modulates projector light source power based on detected peak pixel drive levels to preserve image brightness.
A unitary molded lens cap features finger placement portions for easy attachment and detachment.
Integrated anamorphic optics shift focal positions to convert aspect ratios while maintaining telecentricity across longitudinal and lateral axes.
Polygonal LED emission surfaces match circular input apertures, reducing etendue and light loss while preserving thermal dissipation capabilities.
A birefringent layer of obliquely-deposited films and a dielectric antireflection stack control in-plane phase differences.
A cooling device uses a single fan and airflow guiding tube to direct separate streams toward distinct light sources.
An integrated adjusting frame inclines an optical compensation element via a virtual axis to position the component accurately.
A porous plate with controlled micro-apertures absorbs sound via air-wall friction.
A compound eye illumination system uses a quarter wave plate to convert polarized light for LCD projectors.
A projector switches between content and illumination modes using human detection sensors.
Segmenting wavelengths into dedicated holographic layers reduces stray light from chromatic aberration, enabling accurate image recognition during eye movement.
An additional polarizer filters light before it reaches the liquid crystal screen.
Illumination system manages light energy distribution across optical components to maintain stable operation.
A light beam generating device uses multiple independent light sources driven by adjustable current signals to produce target colors without relying on phosphor conversion.
Segmented phosphor layers on a rotating wheel receive tailored pump light distributions, resolving quenching losses and boosting conversion efficiency.
Titanium oxide replaces silver in the reflection section, eliminating thermal oxidation risks while maintaining high reflectivity.
A projector color filter reflects laser light to a fixed phosphor plate, eliminating rotating wheel synchronization issues and reducing lens count.
Direct surface contact between a heat pipe and optical elements eliminates air gaps to reduce thermal resistance and prevent temperature rises.
Three-layer wound coil electrodes increase capacity to reduce wear and electric discharge, extending lifespan.
Optimized Halbach array magnet structure width ratio enhances magnetic force for efficient optical element movement.
Segmented protrusions and recesses expand the bonding interface to resolve detachment risks while improving heat dissipation efficiency.
An optical device holding section uses an annular flow channel with internal projections to circulate liquid for efficient heat transfer.
An integrated RGB LED lamp paired with a collimator fly-eye lens reduces micro projector weight by merging separate color sources into one optical path.
A diffractive optical element calculates a specific fan-out angle to eliminate noise order between adjacent signal points.
Polarized fold mirrors reflect beams from opposing laser arrays to reduce module volume while maintaining brightness in laser projectors.
A trapezoidal drive signal with dual-inclination legs controls an optical path shifting device to stabilize trajectory.
A light source system uses a dichroic mirror to separate red wavelengths from blue laser excitation, eliminating filter wheels and phosphor saturation issues.
A broadband laser generates multiple spectral lines to create independent speckle configurations for image projection.