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SCREENLESS DISPLAYS – THE EMERGING COMPUTER TECHNOLOGY



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INTRODUCTION

Screenless display is the present evolving technology in the
field of the computer-enhanced technologies. It is going to be
the one of the greatest technological development in the
coming future years [1]. Several patents are still working on
this new emerging technology which can change the whole
spectacular view of the screenless displays. Screen less display
technology has the main aim of displaying (or) transmitting the
information without any help of the screen (or) the projector.
Screen less displays have become a new rage of development
for the next GEN-X. Screenless videos describe systems for
transmitting visual information from a video source without the
use of the screen [2]. Screen less computing systems can be
divided mainly into 3 groups:


THE WORKING PRINCIPLE

There are several new emerging ways for the technological
development of the working principle of the screen less
displays[4]. Several software’s are merging for the GEN-X
wonder view. Any computer system that can run the mudoc
software can present text that has been set in interactive
movable type. Most of the mudocs that are consumed in the
next few years will be consumed with conventional personal
computers, e-book readers, and other kinds of display and
projection devices that are now in use. Very soon it appears to
be a new kind of input/output system will facilitate
communication and interaction between the computer and the
computer user. This new human/computer interface is the
telereader terminal. Visual Image is a bitmap manipulation and
composition product. Bitmaps can be manipulated
independently, in the Image Mode or multiple bitmaps can be
composited Together in the Object Mode to create a "collage".
Visual Image can create and Manipulate images of any size: the
only limitation is the amount of memory resources your system
has.


VIRTUAL RETINAL DISPLAY STRUCTURE AND IMPLEMENTATION

A virtual retinal display (VRD), also known as a retinal scan
display (RSD), is a new display technology that draws
a raster display (like a television) directly onto the retina of the
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 in front of the
user's eye on a small "screen", normally in the form of
large sunglasses. The user focuses their eyes on the
background, where the screen appeared to be floating. The
disadvantage of these systems was the limited area covered by
the "screen", the high weight of the small televisions used to
project the display, and the fact that the image would appear
focused only if the user was focusing at a particular "depth".


APPLICATIONS OF THE SCREENLESS DISPLAY

The main use of the screen less displays are used for the
development of the mobile phones which are mainly used by
the old and blind people as shown in figure 7. This type of the
invention of the screen less displays was first done on the
mobile phone named OWASYS 2CC. This model is very useful
for the old, blind, and even for the people with less vision
power.


DISADVANTAGES:

The principle disadvantage is that Virtual retinal display
(VRD) is not yet available in the significant number.
Prototypes and special experimental models are now being
Built, but their cost per unit is high.
The VRD technology is still under progress and
Development.


CONCLUSION
The paper has elaborately discussed screenless displays which
is one of the most emerging computer technologies and has
become a new exciting rage for the up coming generations as a
field of the futuristic technology. Due to the ability of having
several advantages which are involved in the making,
designing, coding of the screenless , this needs plenty of
knowledge and process for the development is still under the
improvement. May be in the future the world may be
dominated with the screen less display technologies and this
enriches the world of technological empowerment in the field
of the computer technology. Screenless displays promises the
cost effective aspect and also brighter future in the computer
technology.