The device 2 wherein the at least one frame member comprises at least one protruding structure and the light transmitting film defines at least one aperture or notch, and each of the at least one aperture or notch is configured to receive a corresponding one of {HEAD ~ the at least one protruding structure} to physically couple {TAIL ~ the light transmitting film} to the at least one frame member 
The device 2 wherein the at least one frame member comprises at least one protruding structure and the light transmitting film defines at least one aperture or notch , and each of the at least one aperture or notch is configured to receive a corresponding one of { HEAD ~ the at least one protruding structure } to physically couple { TAIL ~ the light transmitting film } to the at least one frame member
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