Screenless Display
Screenless Display
Screenless Display
M.Sravanthy
P.Krupali
Student, B.Tech III year,C.S.E Student, B.Tech III year,C.S.E Department of Computer Science and Engineering Hyderabad Institute of Technology and Management [HITAM] Hyderabad, A.P, India.
ABSTRACT
This paper discusses advent of the Screenless display which is an emerging new technology , has become a good prospect in the near future for a wide range of applications. As the name implies it deals with the display of several things without the use of screens using projector. It involves the following 3 different working principles. The Visual image, Virtual retinal display, Synaptic interface. This paper mainly illustrates and demonstrates how the screen less displays works and its applications in various fields of science. This technology would bring about the revolution in the field of displays and monitors that are costly, huge and are proven difficult to manage the power requirements and constraints . It is also the futuristic technological innovation. Visual Image screen less display includes any screen less image
that the eye can perceive as shown in figure 1 and 2. The most common example of Visual Image screen less display is a hologram. Fig 1. Example of visual Image HOLOGRAM Holograms were used mostly in telecommunications as an alternative to screens. Holograms could be transmitted directly, or they could be stored in various storage devices (such as holodiscs) the storage device can be hooked up with a holoprojector in order for the stored image to be accessed [1].
Fig.2. Example of visual Image Debatably, virtual reality goggles (which consist of two small screens but are nonetheless sufficiently different from traditional computer screens to be considered screen less) and heads-up display in jet fighters (which display images on the clear cockpit window) also are included in Visual Image category. In all of these cases, light is reflected off some
II. BACKGROUND
A.VISUAL IMAGE
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intermediate object (hologram, LCD panel, or cockpit window) before it reaches the retina. In the case of LCD panels the light is refracted from the back of the panel, but is nonetheless a reflected source[3]. The new software and hardware will enable the user to, in effect; make design adjustments in the system to fit his or her particular needs, capabilities, and preferences. They will enable the system to do such things as adjusting to users behaviors in dealing with interactive movable type. B.RETINAL DISPLAY Virtual retinal display systems are a class of screen less displays in which images are projected directly onto the retina as shown in figure 3. They are distinguished from visual image systems because light is not reflected from some intermediate object onto the retina; it is instead projected directly onto the retina. Retinal Direct systems, once marketed, hold out the promise of extreme privacy when computing work is done in public places because most inquiring relies on viewing the same light as the person who is legitimately viewing the screen, and retinal direct systems send light only into the pupils of their intended viewer[6]. Transmitted directly to the brain. While such systems have yet to be implemented in humans, success has been achieved in sampling usable video signals from the biological eyes of a living horseshoe crab through their optic nerves, and in sending video signals from electronic cameras into the creatures' brains using the same method as illustrated in figure 4.
Fig. 3. Retinal Display C. SYNAPTIC INTERFACE Synaptic Interface screen less video does not use light at all. Visual information completely bypasses the eye and is Fig.4. Synaptic Interface
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To optimize the users perceptual and cognitive capabilities To provide the most healthful visual environment for the user. Responding to a variety of user commands (using voice, hand, foot, or other signal methods) Providing blink cues or blinks responses Modifying output to compensate for changes in users physiology or reaction time, etc. The new software and hardware will enable the user and the system to better exploit each others capabilities and to function as a fully integrated team. then detect the eye using facial scanning techniques and keep the image in place using motion compensation. In this role the VRD offers unique advantages, being able to replicate a fullsized monitor on a small device. The most recent innovations in mobile computing have been based around touch screen technology[6]. The future of mobile devices is both touch less and screen less. By 2020 the mobile phone as we know it today will disappear and something very different will take its place. Instead of touching a screen, we will interact with technology directly through our senses, through technology embedded in what he is calling Internet Glasses. Voice was always organized in sessions with a beginning and an end. Today we have threads, i.e when a thread is started it never ends and we have many continuing in parallel. Think of your email, RSS feeds, Twitter, etc. So this is how our brain works. The hone of tomorrow will be telecoupling and related machines and future is bypassing screens and keyboards altogether as in figure 6. The two key technologies will be laser based displays, which display images directly onto our retinas and brain wave sensing implants as shown in figure 5. This will allow technology to integrate with our reality vision much more seamlessly. We are on the verge of a hardware revolution that will make this all possible, as well as the cloud-based information streaming that will enable the user interface to become a reality as shown in figure 9 and 10.
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K. Ranganath, M.Sravanthy, P.Krupali/ International Journal of Engineering Research and Applications (IJERA) ISSN: 2248-9622 www.ijera.com Vol. 1, Issue 3, pp.942- 947 V. 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. technologies as the LVP gives the projector an excellent depth in the focus.
Fig. 7. Appliaction applied to mobile Tecnology Screen less displays technology is also implemented for the development of the screen less laptops. A laptop without an LCD can be a very useful portable solution when connected to CRT or fixed LCD monitors. Laptops without screens would also be a green solution, giving value to donated CRT monitors that would otherwise be heading for landfills. Portability means that volunteers, who dont always have the time to travel to peoples homes, can more easily maintain this computer. Screenless displays are also widely applicable in the field of the holograms projection. Hologram projection is a result of a technological innovation that truly helps in touch less holographic interfaces. In fact, hologram projection projects 3D images of so high quality that it feels as if one can touch them. However, holographic projection is still to achieve mass acceptance as until now, conventional holograms, which offer 3D images.
Fig.10. Virtual screens Screen less displays major working principle can also be implemented in the emerging of the new screen less TVs. Imagine that watching the TV picture that seems to be magically appearing in the thin air. The picture just floats on in front of the viewer; this would be a latest emerging technology in the future as depicted in figure 9.
Fig.8. Example view of holographic Projection Latest laser technology are also implementing the special technique of the screen less display through the presence of the several 3D scope animation or the screen provides the advantage of being combined with the Laser Valve Video Projector that helps in projecting video images by the use of the laser light instead of the Xenon Arc lamps as depicted in figure 8. Laser technologies have given an edge over the other
K. Ranganath, M.Sravanthy, P.Krupali/ International Journal of Engineering Research and Applications (IJERA) ISSN: 2248-9622 www.ijera.com Vol. 1, Issue 3, pp.942- 947
provide a wider range of colors and more fully saturated colors than any other display technology. Greater brightness and better contrast- Retinal projectors can provide higher levels of contrast and brightness than any other display system. Ability to present 3D images- With their capability of presenting high definition image-pairs, retinal projectors can deliver the most highly realistic stereoscopic movies and still pictorial images to their users. Ability to present far-point images- The human visual system is a far-point system. With todays desktop and laptop computers users must employ their near-point vision. The excessive use of our near-point vision in using computers, reading, sewing, playing video games, etc., is making myopia a very common impediment. The use of the far-point images that can be provided by retinal projector systems could reduce the incidence of myopia and, hence, the growing need for and use of eyeglasses see figure 10. Lower costs- The present cost of retinal projector systems is high. Nevertheless, there are no hard-to-overcome manufacturing problems in mass-producing and low-cost components, so inexpensive systems will soon become available. Environmental and disposal costs of these tiny delivery devices will also be minimal because toxic elements such as lead, phosphorus, arsenic, cadmium, and mercury are not used in their manufacture [4].
CUBIT is being developed for the future use of the multi Touch use of the program. Development of the enhancement of the micro vision also Gives the improved and the futuristic view of the screen less displays. This technology of the micro vision is the very well useful in the Artificial Retinal Display properties. Japanese scientists have invented the pair of intelligent Glasses that remembers where people last saw their keys, Handbags, iPod, and mobile phones. Smart Google is developing the compact video camera which films everything the wearer looks at the information what the viewer wants will be directly being seen in through the glasses where there is no screen or projector present. Several laboratories are working under progress on the electron beam lithography which includes the advanced enhancement of the futuristic screen less display. Adobe systems are also working out for the development and deployment cross platform of the several applications which are to be viewed without the actual screen.
VII. 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.
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.
VIII. REFERENCES
[1]Screen-less Head Mounted Projector with Retrotranmissive Optics Ryugo KIJIMA, Jyunya WATANABE [2]Kiyokawa, K., "A Wide Field-of-view Head Mounted Projective Display using Hyperbolic Half-silvered Mirrors", Procs of ISMAR. 946 | P a g e
K. Ranganath, M.Sravanthy, P.Krupali/ International Journal of Engineering Research and Applications (IJERA) ISSN: 2248-9622 www.ijera.com Vol. 1, Issue 3, pp.942- 947
[3]Okano, F., Arai, J., "Resolution characteristics of afocal array optics". [4] SPE Annual Technical Conference and Exhibition, 30 September-3 October 2001, New Orleans, Louisiana [5]www.technologyreview.com/blog/mimssbits/25623/ videos.mitrasites.com/screenless-display.html [6]Telecoms.cytalk.com/.../why-the-future-of-mobile-isscreenless-touch.
Author(s):
Mr.K.Ranganath, Graduated in Computer Science and Engineering from Osmania University Hyderabad, India, in 2006 and M.Tech in Software Engineering from Jawaharlal Nehru Technological University, Hyderabad, A.P., India. He is presently working as Assistant Professor in Department of Computer Science and Engineering, Hyderabad institute of Technology and Management [HITAM], Hyderabad, A.P, India.
M.Sravanthy, Student of B.Tech. III year, Computer Science and Engineering, Hyderabad Institute of Management of Technology [HITAM], Hyderabad, A.P,India.
Ms.P.Krupali , Student of B.Tech. III year, Computer Science and Engineering, Hyderabad Institute of Management of Technology [HITAM], Hyderabad, A.P, India.
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