Diffraction Gratings TRIZ Cases

Liquid crystal diffraction elements optimize pitch parameters to expand the exit pupil while maintaining high light utilization efficiency and image brightness.

Screen detection method captures browsing images from target viewpoints to extract cylindrical lens parameters.

Five-lens-group projection zoom lens uses specific refractive power distribution to project magnified images.

Segmenting the substrate into a rigid carrier and thin functional layer resolves lithography thickness limits while maintaining sub-micron flatness.

Segmented pillar pitch optimization resolves manufacturing precision trade-offs while boosting light-collection efficiency.

Sub-wavelength diffraction gratings control light phase fronts to function as planar lenses.

Hybrid diffractive refractive lens compensates for thermal drift in polymeric components, maintaining stable encircled energy and intensity.

Cemented diffractive surfaces and Fresnel optics correct chromatic aberrations while maintaining low-profile designs for head-mounted displays.

Actuators distort optical membranes to form periodic structures, resolving precision versus complexity trade-offs in lithography beam control.

A phased metalens adjusts incoming light phase to maintain focus on an image sensor.

Curved reflector redirects light rays within waveguide planes, enabling exit pupil expansion without consuming valuable surface area.

A liquid crystal grating layer with segmented inclination angles directs parallel light through a prism layer to form distinct exit angles.