High contrast display device having a dark layer

Details High contrast display device having a dark layer High contrast display device having a dark layer

H - Electricity

01

L

345/5

H01L 27/14 (2006.01) G09F 9/33 (2006.01) H05B 33/22 (2006.01)

Patent

CA 1144265

D-20,109 HIGH CONTRAST DISPLAY DEVICE HAVING A DARK LAYER ABSTRACT An electroluminescent display device comprises an electroluminescent layer between a transparent electrode layer and a segmented electrode layer. There is a layer of dark material between the electroluminescent Layer and the segmented electrode layer to provide high contrast, the resistivity of the dark material being high enough to prevent haloing in the display when the device is electrically energized.

341823

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