Sunday, November 30, 2008

Organizational Advantages of VRD

Power Guzzler :
Virtual retinal displays properly convert electrical energy into light energy more efficiently than its counter-parts, such as back-lit FPD's and CRT's ( bulky casing monitors, not the "flat panel" monitors we are used to seeing these days ...) The reason for this being that these two types of monitors draw incredible amounts of power which results in lower brightness levels. VRD technology differs on that basis that they generate light onto the human retina, making it possible to generate images with little or minimal power requirements.

A cheaper alternative:

Virtual retinal displays prove to be a cheaper alternative than other display sources. The reason for this being that the current flat panel displays are costly to design and produce. The materials needed in order to make a functional monitor are way more expensive than those needed in order to produce a virtual retinal display. The easy design of the VRD consists of smaller subsystems. When looking at the production aspect of a VRD, no specialized manufacturing equipment is required. VRD's can be mass produced at lower costs.

A Brighter Picture:
The average monitor cannot put out enough light energy and, as a result, are used only in controlled lighting environments. For example, we would not be able to face a monitor directly against beams of sunlight given that this would cause or create glare. VRD's once again come out victorious in this situation. In a see-through mode, the VRD can be controlled in order to allow the end user to see according to the level of brightness they are subject to.

Corporations will thrive using this newly founded technology. As mentions in their paper some in deph advantages can vary from:
1. Small exit pupil which gives large depth of focus.
2. Beam size which minimizes optical aberrations at cornea .
3. Laser light penetrates mild to moderate media opacities with minimal scattering .
4. High luminance and high color contrast .
5. Collimation and coherence of the light.
6. Decreased flicker sensitivity.
7. No perceptual laser speckle.

A higher resolution:
Virtual retinal displays produce very high resolution images. The resolution associated with VRD's are limited only by defraction of optical aberrations in the light source and not by pixels. CRT's work with pixels , in the sense that small pixels or individual pixels make up a bigger picture using a large array of pixels. VRD's do not.

Contrast ratio:
A VRD's brightness can be augmented to high levels or lowered to lower, more minmal levels. The results that come from this is called a contrast ratio, because it is inherently high and far larger than standard flat panel displays or CRT monitors.

Color range:
Virtual retinal display technology gives out highly saturated and purely colored images. VRD's can produce a wide range of possible colors, far superior to any other electronic display.

VRD's are able to improve performance faster and with lower R&D than competing technologies.

Range of Application-
Since Virtual retinal displays deliver a general-purpose solution without any tradeoffs or opportunity costs, it can potentially gain greater economies of scale in order to bring costs down and increase its marginal utility rate with its end users than other technologies.
VRD's are better than anything ever created and will give you the best and clearest picture. There is no margin of error when this image is implanted on ones eye because it is visible despite a lack of concentration. Your brain will immediately be drawn to this picture and does not need attention. As mentioned previously, many organizations will benifit and can use it to their advantage. Police can use this for more realistic training and simulation and can this can head towards a more reputable performance. Hockey players can use this to simulate certain situations on the ice and the coach can use this on his players to recreate particuliar situations that occured during the game. Last but not least, news anchors can use this instead of telepromters for an easier read and less prone to error. Even the president of the U.S can read a VRD while making his speeches ie.George Bush! :)

Sunday, November 23, 2008

Organizational Disadvantages of VRD

It is impossible to come up with disadvantages for this new technology because it is so beneficial to organizations. Although there may not be disadvantages there are minor perks that must be taken into account when using VRD. Since it deals with the eye directly, the user must be very careful when using this technology. Also they are probably very intricate to build thus taking a long time/ VRD machine. One last con is that if broken it would probably cost a fortune to replace the parts considering the complexity of the system.


The Replacement of Other Technologies due to VRD

One of the main technolgies that could potentially be replaced by the Virtual Retinal Display is the teleprompter. It works as a display mechanism for news anchors or anyone who works in front of cameras. It is a virtual script that is put in front of the viewer and projected from the camera. It essentially works similiar to cue cards just an electronic version of them! It serves as a one way mirror so only the person facing the camera can see the text. If news anchors used the Virtual Retinal Display, similiar to the telepromter the words would be floating in front of you. The difference is that it would be a clearer image and would be an easier message to convey without any error. Here is a video of why the telepromter may be replaced (blooper)
Another technology that should feel threatened, is any that can be displayed by an LCD screen, VHS or any other of that sort, hence the TV and the laptop. Soon enough it can very well replace these tools by virtually seeing the image through VRD instead of looking directly at the screen. It can be a more cheap means and you only have to purchase one.

One last technology it can possibly replace is a virtual reality system. Who would want to buy this costly device which is displayed on a computer screen while you can buy a system that displays the image on ones retina and is more realistic and sensible.

Defining Virtual Retinal Display

Imagine having a 3d vision implanted on your retina that allows you to feel like you’re in the situation that a simulator emits. VRD (Virtual Retinal Display) technology can make this happen. Basically, it augments reality to the point where the things around you are an enhanced image which is painted on your retina. This can be advantageous to the workforce. A great example of this is the way news stations would benefit, and this will be referred to in a later blog. Not only can this new VRD technology change the way people see reality but help many important jobs to be more effective through virtual training and 3D simulators. Some that are likely to benefit can be thus of pilots, anchormen, police etc...
Not only can police officers use it for training but apparently to cure pain. (Video)
 To get to the point, The VRD device swiftly scans low power, red, green, and blue lasers directly on the retina of the eye so instead of seeing the natural conventional image, it is interfered by the lasers for a new projected image.VRDs give the user an illusion of viewing a typical screen-sized display floating in the air several feet away.