Patent ID: 7924371

Claim:
A multimode display for night vision imaging system (NVIS) compatible operation, comprising: a) a display assembly including a display subassembly, said display subassembly comprising a display component; b) a backlight printed wiring board (PWB) assembly positioned behind said display subassembly, comprising, i) a printed wiring board (PWB); ii) a top side mounted LED array mounted on a first side of said printed wiring board (PWB) comprising a top side plurality of LEDs including a top side set of white LEDs; iii) a reverse-mounted LED array mounted on a second side of said printed wiring board (PWB) comprising a reverse-mounted plurality of LEDs including a reverse-mounted set of white LEDs; and, iv) dedicated primary IR filtering means operatively associated with said reverse-mounted LED array for conditioning light emitted from said reverse-mounted LED array for NVIS compatible operation; and c) a secondary IR filter positioned between said backlight printed wiring board (PWB) and said display subassembly, wherein in a day mode of operation said forward-side mounted LED array illuminates said display subassembly; and, in an NVIS mode of operation filtered light from said reverse-mounted LED array illuminates said display subassembly.