Organic light emitting didode display device having...

Details Organic light emitting didode display device having... Organic light emitting didode display device having...

2005-01-18

2005-01-18

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000

Reexamination Certificate

active

06844674

ABSTRACT:
The present invention provides an organic light emitting diode display device, having a transparent substrate; a plurality of anodes on the transparent substrate; an organic functional layer on the transparent substrate, wherein the transparent substrate covers the anodes; a light-absorbing layer on the organic functional layer, wherein the light-absorbing layer is an organic material layer and the organic material layer is doped with at least a metal; and a plurality of cathodes on the light-absorbing layer. The light-absorbing layer of the present invention can effectively reduce the amount of the reflected light, thereby raising the contrast ratio and enhancing the recognition ability of the display device.

REFERENCES:
patent: 6262441 (2001-07-01), Bohler et al.
patent: 6589673 (2003-07-01), Kido et al.

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