"shield light" is correct and usable in written English.
You can use it when referring to something that helps to dim or block light in some way, such as curtains, window shades, or blackout blinds. For example, "After a long night of studying, she hung the shield light over her window to ensure a good night's rest."
Or that even with a white-noise machine to block snoring and a mask to shield light, I still don't sleep.
The ordinance, approved unanimously by the five trustees on April 16, will require that businesses seeking village permits for anything from replacing a sign to enlarging a building submit to a village lighting review and agree to install outdoor fixtures that shield light and direct illumination downward.
Currently, we are using the BAC library constructed in the present study to clone Yr26 to shield light to the molecular mechanisms of stripe rust resistance.
The pigment rings might improve vision in the immature eye by shielding light rays that would otherwise enter the eye via peripheral regions of the cornea, beside the growing crystalline lens.
Therefore, overproduction of pigments in response to light is likely not shielding light but rather serving as scavengers to protect against oxidative damages caused by light, or is involved in processes known to require light in other fungi, such as sexual reproduction, phototropism, and conidiation (Purschwitz et al. 2006).
This month the Town of Riverhead adopted a "dark skies" resolution requiring shielded lighting on new residential and business developments.
SkyGlow Simulator models predict skyglow decreases on the order of 10 20% depending on whether fully shielded or partly shielded lights are in use.
Multifunctional, ultraviolet (UV -opaque, visible-transparent and light-emitting materials with tUV -opaqueinescence colors are highly desirable for many applications in areas of ultraviolet shielding, light-emitting diodes and optical lenses etc.
In 2001 the Pennsylvania General Assembly passed the "Outdoor Lighting Control Act", which both established the park as a "Dark Sky Preserve" and required minimal and shielded lighting at all new state facilities to reduce light pollution.
Toward these ends, I urge that we redouble our efforts to preserve the dark night sky through the advocacy of properly shielded lighting, and through the establishment of dark-sky sanctuaries.
Shield the light and those errant photons as they leave the atmosphere at the speed of light.
