High contrast thin film electroluminescent display

Details High contrast thin film electroluminescent display High contrast thin film electroluminescent display

H - Electricity

05

B

H05B 33/00 (2006.01) H05B 33/02 (2006.01) H05B 33/10 (2006.01) H05B 33/12 (2006.01) H05B 33/22 (2006.01)

Patent

CA 2151465

A display system (25) includes an enhanced specularity multi-layer thin film electroluminescent (TFEL) panel (26) and circular polarizer filter (27) which combine to provide a high contrast TFEL display. The enhanced specularity is obtained by increasing the rate thc phosphor layer of the panel is deposited which results in a smoother, more specular surface. The increased specularity of the panel (26) provides a darker display background, and therefore higher contrast.

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