An internally illuminated container that uses indirectly placed light sources to evenly illuminate a translucent diffuser screen on one side of the container. The screen is sized to cover at least the entire aperture of a telescope so that accurate flat-field frames can be made.
a set of bright, broad-spectrum light bulbs inside a box with a reflective background and a diffusing screen. Light boxes are used to treat winter depression, also known as SAD (seasonal affective disorder). Research suggests that bright lights help regulate the body's internal clock, which controls hormone secretion and sleep patterns. The amount of time a person needs to use a light box should be determined by a practitioner.
Usually a box with a light bulb inside and a clear glass at the top on which you rest your artwork to complete projects such as dry embossing allowing you to see through the paper you are working with.
A set of bright, full-spectrum light bulbs inside a box with a reflective background and diffusing screen; produces light that's 10 to 20 times stronger than ordinary indoor light. Used to treat winter depression, or SAD (seasonal affective disorder). Treatment typically involves spending 15 minutes to 3 hours in front of a light box every day in the fall, winter, and early spring. Research suggests that bright lights help regulate the body's internal clock, which controls hormone secretion and sleep patterns.
Beauty is all about your inner glow. Yeah, right … but in the trade show world, this is true. With the right light box, which is an enclosure that contains lighting beneath a translucent material (usually a graphic), you can really be beautiful.
a commercially available, electrically-powered instrument that provides artificial light; a treatment option for patients with Seasonal Affective Disorder, Advanced Phase Sleep Disorder, or Delayed Phase Sleep Disorder.