Developed new glasses-free 3D display with long viewing range

While 3D screens continue to enter our lives, a new series of nanostructured lenses is used within the scope of a new study to produce a glasses-free 3D image that has a longer viewing distance and can produce more realistic images. screen prototype was developed.

Pioneering for future work

Soochow University researchers have developed a new 3D display prototype in which an intense field of light is projected, which can be viewed from different angles without the need for glasses, creating a three-dimensional effect.

The researchers first designed a new diffractive flat lens by modeling the nanostructures on a flat surface to focus light. They were then able to interlace several of the lenses to create a pixelated image modulator, the optical component that creates various perspectives for a scene on the lightfield screen.

Prototype displays are stated to exhibit high efficiency and high color accuracy at viewing distances from 24 cm to 90 cm.

Research team leader Wen Qiao: “Most 3D screens have a limited viewing range. This causes the 3D virtual image to deteriorate as the observer moves away from the device. The nanostructured flat lens we designed is only 100 microns thick and has a very wide depth of focus. This allows a high-quality virtual 3D scene to be viewed from afar.” said.

The researchers state that the prototype they developed is an important step towards developing realistic-looking 3D displays that can be used for televisions, portable electronics and desktop devices.