Screenless Display Research Paper

Abstract—One the most frustrating aspects of modern communications technology is that,as devices have miniaturized,they have become more difficult to interact with.The lack of space on screen-based displays provides a clear opportunity for screenless displays.This paper discusses advent of the screenless display which is an emerging new technology.As the name suggests it deals with the display of several things without the use of screens using projector.It is achieved by projecting images directly onto a person’s retina,not only avoiding the need for weighty hardware,but also promising to safeguard privacy by allowing people to interact with computers without others sharing the same view.It involves following three principles..This technology paved way for development mobile phones for partially blind people.It is an futuristic technological innovation.

Screenless display may sound like an oxymoron,but it is a kind of technology that could be utilized in the very near future.Scientists and technology firm are finalizing a range of devices and forms of technology that allow you to view images without th use of a screen.These devices come in the form of projection devices and hologram machines,and whilst they offer something different,they are all the part of next generation of technology.Screenless display is the present evolving technology in the field of computer-enhanced technologies.It is going to be the one of the greatest technological development in the coming future years.Several patents are still working on this new emerging technology which can change the whole spectacular view of the screenless displays.Screenless display technology has the main aim of displaying (or) transmitting the information without any help

In the longer term, technology may allow synaptic interfaces that bypasses the eye altogether ,transmitting“visual”information directly into brain.

Figure IX Vision process

We can see things because of reflected light.Light bounces of an object and enters our eye.This light then focuses on the retina to form an image.

VII. VIRTUAL RETINAL DISPLAY A virtual retinal display (VRD) is also known as retinal scan display (RSD), is a new technology that draws a faster display directly onto the retina of eye.The user sees what appears to be a conventional display floating in space in front of them.Similar systems have been made by projecting a defocused image directly infront of eye on a small screen,normally in form of large sunglasses.The user focuses their eyes on the background,where the screen appears to be floating.

Figure X Block diagram of VRD The virtual retinal display is a unique approach to developing a high-resolution head-mounted display currently under development.Rather than looking a screen through magnifier or optical relay system,the viewer of VRD has a scanned beam of light enter the pupil of the eye focussed to a spot on the retina.

Figure XI Optical schematic diagram of