The information display device is not only capable to deliver the content on the plane of the display screen， but more importantly， to display the content in a real three-dimensional space， making the natural interaction between i

The development history of display technology was briefly reviewed， and the development trend of display technology was discussed under the guidance of visual perception requirements and carbon peaking and carbon neutrality goals.

With reference to the major technological trends of high luminance， wide colour gamut， high contrast and high immersion in new display technologies， the progress of research on visual perception and health were introduced and anal

OLED technology has developed rapidly and has been widely used in small and medium size displays. At the same time， industry is waiting for large-size OLED display for high-end TV. Printed OLED has obvious advantages in the field

The concept of adaptive lens was briefly described， and the basic zoom principle of adaptive lens was introduced. The basic structure and principle of optical imaging system based on adaptive lens were analyzed. Several typical op