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 {HEAD ~ each} of the at least one aperture or notch is configured to receive a corresponding one of {TAIL ~ the at least one protruding structure} to physically couple 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 { HEAD ~ each } of the at least one aperture or notch is configured to receive a corresponding one of { TAIL ~ the at least one protruding structure } to physically couple the light transmitting film to the at least one frame member
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