Virtual reality head-mounted display device, referred to as VR head-mounted display VR glasses.VR headset VR glasses is a cross-age product. Not only does it allow every enthusiast to experience it with surprise and joy, but also deeply fascinated by the unknown of its birth and prospects.vrIts principle is to use simulation technology and computer graphics human-machine interface technology, mult...

People nowadays advocate energy saving and environmental protection, and the most prominent feature of LED light-emitting diodes is energy saving, which makes LEDs have a very wide range of applications and is well received by people. To choose a good LED light-emitting diode, we must choose one that meets the national safety standards. In addition to safety standards, how do we choose LED light-e...

Ultraviolet LED (UV LED) is mainly used in biomedicine, anti-counterfeiting identification, purification (water, air, etc.) fields, computer data storage and military. And with the development of technology, new applications will continue to appear to replace the original technology and products. UV LED has broad market application prospects. For example, UV LED phototherapy instrument is a very p...

      In terms of communication, the speed of ultraviolet light communication is far lower than that of visible light communication, but as invisible light, ultraviolet light has the unique advantages of low resolution, low eavesdropping rate, and high confidentiality. ①Low resolution: Ultraviolet light is invisible light, and it is difficult for the naked eye to find the existence...