Alternating phosphor and transparent segments balance rotation in optical wavelength converters, stabilizing laser speckle and output chroma.
A vibrating mirror adjustment apparatus acquires image features to determine the optimal on or off state of the mirror.
A compact optical device uses a polarization separator and wavelength conversion wheel to align and output blue, green, and red laser lights efficiently.
A transparent windscreen head-up display system determines a recommended continuous gaze location for registered graphics.
Segmented phosphor wheels reduce Stokes shift heating and motor space constraints, enabling scalable lumen output.
Optimized micromirror inclination and entrance pupil distance resolve the trade-off between image contrast and transmittance in compact projection systems.
Bonding a half mirror between planoconvex and planoconcave lenses folds the optical path, reducing device thickness while minimizing aberrations.
Segmented reflection regions in a single funnel shaped reflector create rectangular light patterns without complex multi-mirror assemblies.
A heat dissipating plate extends through a housing bottom wall to remove thermal energy from an optical engine module.
A polarization beam splitter and conversion element combine linearly polarized light fluxes from opposing sources into a single optical path.
Preheating the image assembly minimizes thermal expansion, preventing focal length shifts and maintaining image clarity without complex cooling systems.
A light source apparatus uses a width adjuster to equalize luminous flux dimensions across multiple color channels.
A wavelength selective phase plate between the polarization beam splitter and liquid crystal panel suppresses red light leakage, improving image contrast.
A rotational wheel device superposes excitation and luminescent light axes within a projector light source apparatus.