Navy's F-35 Helmet Problem Fixed With TV Technology.
Position | NEWS BRIEFS |
* A burst of green light in F-35 helmets that was plaguing Navy pilots landing their aircraft at night has been solved using a component found in many consumer televisions.
The so-called "green glow issue" occurred when Navy pilots at sea were landing on aircraft carriers in blackout conditions, said Joe F. Ray marketing manager for airborne government systems at Rockwell Collins.
"When there was a sudden light source, the display couldn't react appropriately and you would get this green glow flash," he said. "Not the safest thing for a pilot landing on a moving runway."
The helmets use LCD (liquid crystal display) technology, which uses backlight to create images. The displays are not 100 percent opaque, so it can't block out all the light. That resulted in a green glow bleeding from the edges, said Josh Rivera, a systems engineer at Rockwell Collins.
Rockwell Collins and its partner in the F-35 helmet program Elbit Systems of America, had already focused on organic LED (light emitting diode), a relatively new technology found in televisions. It did not exist when the helmets were first being designed at the outset of the F-35 program.
The main feature of organic LED is that a series of pixels light up when it receives an electric current. Light only comes on when it is needed. "You are only getting the...
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