The personal/private light screen provides more than 250 LUX of soft, cool, full spectrum white light. The light is created through an electroluminescent process. Other kinds of light sources typically generate light through thermo luminescent processes. With Morning StarLight no heat or glare is created that can cause discomfort. Also Morning StarLight does not generate infrared or ultraviolet light that can injure the cornea of your eye. Morning StarLight generates only cool, soft white light in the visible spectrum.
All of the light from the light screen is directed to your eyes; no light shines onto other persons nearby. Use of Morning StarLight screen is inconspicuous and is both personal and private.
Morning StarLight can be used to compensate for jet lag. You can wear your light screen while in flight without disturbing other passengers. You also can read, write, operate your laptop computer while getting light therapy.
Morning StarLight is an electroluminescent panel. The maximum light that can be generated with this technology is about 350 LUX. The standard version is 250 LUX, but brighter light screens can be ordered by special inquiry. The brightness half-life of a standard light screen is more than 2,000 hours, which is more than ten years of normal usage. Brighter lamps will have correspondingly shorter half-life.
A typical light box radiates 2,500 or 5,000, or 10,000 LUX. The boxes are usually positioned two to four feet away from users. Users generally do not look directly at their box, probably because the light is harsh and too bright for comfort. Users typically tilt their box downwards and read while being irradiated. The only light from the box that enters their eyes is reflected from the material they are reading. Reflectance from white paper is diffuse which means less than 25 % of the light is reflected from the reading material and is directed to their eyes.
Assuming reflectance, the total distance light travels from a light box positioned 24 inches away and tilted downwards the distance is 34 inches. Morning StarLight is 0.6 inches from the eye. This means the light from a light box has to be between 4,000 and 12,000 times brighter than Morning StarLight to deliver the same amount of light to the eye.
If the user of a light box is active, i.e. moving about, while being irradiated, the amount of light directed into their eyes is probably even less.
Most studies on SAD start with the premise that an important factor is the amount of light that gets to the retina. We believe Morning StarLight with 250 LUX positioned 0.6 inches from the eye delivers as much or more light than any other system. Also, the fact that the user sees only the emitted light from the light screen and no light from other sources reinforces the sensation of being irradiated. This sensation is called the ganzfeld effect.
Morning StarLight is positioned less than an inch from your eyes; consequently, we can scale back light intensity. The light screen requires very little energy (a small nine-volt battery) to provide sufficient light. This is because the light source is close to your eyes. A cumbersome bank of lights would have to generate more than several thousands times as much light to furnish an equivalent amount of light from Morning StarLight.
Morning StarLight is designed
to
provide many years of satisfying service, at a cost of pennies per
session.
The light screen is powered with an inexpensive nine-volt battery for
portable
use or with conventional AC power when used at home or work.
Morning StarLight engineering staff has extensive experience in developing a broad range of leading-edge optical systems. They have been awarded patents in optical character recognition systems, fiber-optic networks, wireless optical data communications networks, and optical computing. With Morning StarLight they have united the latest advances in visual optics, psychology research, and eye physiology into an inexpensive, effective light therapy system.
Features
Morning Starlight features
An inverter converts constant DC voltage from the battery to an alternating AC voltage.
The lamp is much like a TV screen. It is made of a layer of phosphor that is contained between two flexible plastic sheets. One of the sheets is clear, which allows light to pass through it.
The AC voltage is applied to the layer of phosphor. As the voltage increases, the energy level of the phosphor increases. As the applied voltage decreases, the phosphor releases energy by emitting light.
The chemical composition of the phosphor used in the lamp determines the color of light emitted. The material used in Morning StarLight has been chosen to create white light that closely approximates first light at dawn.
The brightness of the light is determined by the material that is used, the amount of voltage applied to the material, and the frequency at which the voltage varies. The amount of electrical energy required for the Morning StarLight lamp is extremely small, a fraction of a watt.
The process with Morning StarLight is electroluminescent. Light created by this process is cool, uniform in intensity, full spectrum, and completely safe. The nature of electroluminescent light allows you to be as close to the source as you wish.
Conventional
lamps create light with a thermoluminescent process. Heat is
created
in addition to light. Also; this kind of light may include some
light
in the ultraviolet and infrared portions of the spectrum. These
extreme
components can be harmful and must be filtered out to make the light
safe
for your eyes. Lamps of this kind usually have one or more points of
brightness,
which may make them too intense to be viewed directly for more than a
few
seconds. Even with very small thermo luminescent lamps, heat
and
intensity
limit how close you can be to it.
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