Contrast enhancement apparatus

Details Contrast enhancement apparatus Contrast enhancement apparatus

H - Electricity

01

J

H01J 1/70 (2006.01) G02B 1/10 (2006.01) H01L 51/52 (2006.01) H05B 33/12 (2006.01) H05B 33/22 (2006.01)

Patent

CA 2352390

An apparatus for enhancing contrast in a flat panel display is provided. One embodiment includes a electroluminescent display having a front electrode, an electroluminescent layer, an optical interference member, and reflective rear electrode. The optical interference member is made from a semi-absorbing material, and the actual material, its thickness, "n" value, and "k" value are all so chosen such that ambient light incident upon the display is substantially reduced by destructive interference.

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