Trans-reflective organic electroluminescent panel and method...

Details Trans-reflective organic electroluminescent panel and method... Trans-reflective organic electroluminescent panel and method...

2006-01-06

2009-06-09

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

Reexamination Certificate

active

07545096

ABSTRACT:
A trans-reflective organic electroluminescent panel comprises a substrate, several controlling components and displaying regions formed on the substrate. The displaying regions are electrically connected to the controlling components, and each display region has a trans-reflective organic electroluminescent device (OELD). The trans-reflective OELD at least comprises a transparent electrode formed on the substrate, a light emitting layer formed above the transparent electrode, a reflective electrode formed above the light emitting layer and a semi-reflecting layer. Light generated from the light emitting layer emits toward the transparent electrode to form a light path, and the semi-reflecting layer is disposed in the middle of the light path. Also, a proper proportion of the area of the semi-reflecting layer to the area of the transparent electrode is determined for improving the luminescence and color performances of the trans-reflective organic electroluminescent panel.

REFERENCES:
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patent: 6822257 (2004-11-01), Lee et al.
patent: 7375463 (2008-05-01), Uemura et al.
patent: 2004/0160172 (2004-08-01), Tyan et al.
patent: 2005/0067954 (2005-03-01), Nishikawa et al.
patent: 1604703 (2005-04-01), None

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