A planar metalens expands spatial frequency components beyond the wavelength using high refractive index materials.
A diffractive optical element uses an anisotropic diffraction layer with controlled birefringence dispersion to achieve high efficiency.
A variable magnification optical system uses distinct lens group trajectories to correct aberrations.
A single base substrate supports both a 3D grating structure and a touch detection unit between the display panel.
Subwavelength structures in a waveguiding layer redirect light to suppress chromatic dispersion and enhance spectral selectivity.
A variable magnification optical system adjusts air distances between six lens groups to correct curvature of field and spherical aberration.
Concentric cylindrical waveguides eliminate image aberrations and enable large eye-boxes for augmented reality displays.
Segmenting relief structures across three layers resolves the trade-off between high security and designability by enabling angle-dependent transparency.
Metasurfaces fold optical paths to reflect light at varied angles, reducing device height while extending total track length.
A thin optical security element uses a refractive relief pattern to redirect incident light and form a projected caustic image.
Multi-layer grating structure uses alternating refractive index materials to enhance diffraction efficiency.
A reflective encoder device uses a retroreflector to guide diffracted light along its incident path.
Distinct lens unit loci change distortion while maintaining image quality, resolving the trade-off between adjustment range and optical fidelity.
A complex transparency device uses micro-optical devices with non-centered optical axes to reconstruct multiscopic images from a micro-image array.
Optimized groove depth and pitch ratios in a kinoform diffractive light pipe suppress higher-order diffraction, reducing parasitic image visibility.
A lensless CMOS visual edge localizer employs a Panchromatic Fresnel Zone Plate to detect incident angles via diffraction.
A multiplexed volume Bragg grating converts higher order spatial modes to fundamental beams via angular selectivity.
A light-emitting device cover features a deformable projected portion that engages with a counterpart member to secure the assembly.
Adhesive-free bonding secures a reflective plate to a substrate with embedded cooling channels for efficient heat transfer.
Segmented grating couplers resolve six-axis adjustment complexity while improving coupling efficiency.
Peripheral regions with decreasing optical density attenuate glare beams, preventing diffraction that degrades signal-to-noise ratios in LiDAR sensors.
A zoom lens system segments the second lens group into three sub-groups to enable compact optical design and high-speed autofocus.
Dynamic lens group movement suppresses aberration variation during zooming and focusing while reducing lens barrel weight.
An optical correction element compensates for image distortion caused by curved windshields, enabling a large field-of-view without bulky projectors.
A security element uses a height-modulated multilayer structure to generate polarization-dependent color filter effects.
A diffractive lens design uses optimized optical path differences to create thin meniscus structures with concentric annulus areas.
A security film uses a micro lens array to amplify micron graphics into visible dynamic images.
Plastic five-element lens design with diffractive optical surface reduces total track length to 4.0 mm while correcting chromatic aberrations.
Tunable lens and reduced aberration optical system enable accurate pixel defect inspection on curved surfaces.
A movable diffraction grating uses a stress regulation portion to bend its resin layer concavely.
A hybrid optical imaging system integrates diffractive surface relief structures within gradient refractive index elements to provide combined refractive and diffractive power.
High-aspect-ratio convexities in the diffractive layer prevent demolding fracture and sticking while maintaining manufacturing precision.
An asymmetric surface relief structure scatters light anisotropically to produce a consistent colored appearance across a wide viewing angle.
A zoom lens design uses segmented groups with specific refractive powers to achieve compact size while maintaining optical quality.
Five-group zoom lens fixes outer elements while moving inner groups to reduce size and maintain optical quality.
Alternating grating sets couple light into and out of a waveguide to expand the output field of view without increasing the system form factor.
A diffraction grating device uses destructive interference between reflected light rays to increase optical energy conversion.
A four-unit zoom lens configuration with specific refractive power ratios reduces size while maintaining optical performance.
Segmented multilayer film structure with shifted unit films reduces wavelength shifts and minimizes incident angle dependency for stable spectral performance.
Radially varying Fresnel structure pitch minimizes diffraction artifacts while maintaining compact weight and size for virtual reality headsets.
An automated color-light generation system replaces manual inspection with an array optical switch, reducing eye fatigue during color perception tests.
Non-flat light-guiding structures resolve accommodation-convergence mismatch by generating virtual images at multiple distances.
A five-group zoom lens adjusts inter-group distances to achieve a variable magnification ratio exceeding 12x while maintaining compact dimensions.
Ion beam etching creates optical gratings with varying trench depths across multiple dimensions.
Segmenting the first lens unit into distinct positive and negative elements corrects aberrations while reducing size and weight.
A scanning mirror integrates a Fresnel zone plate profile to diffract and collimate light beams without separate optics.
Segmenting the stationary first lens unit into negative and positive subunits resolves the trade-off between wide angle of view and compact diameter.
An optical structure on a multi-layer grating field lens blocks visible light to reduce diffraction fringes and improve holographic display clarity.