Organic electroluminescent display and method of...

Details Organic electroluminescent display and method of... Organic electroluminescent display and method of...

2006-06-06

2006-06-06

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S506000

Reexamination Certificate

active

07057338

ABSTRACT:
An organic EL display in which organic EL devices are prevented from being degraded because of interfaces occurring between the luminescent layers and the electron transporting layers. In each of the organic EL devices, a red luminescent layer, a green luminescent layer, and a blue luminescent layer are formed on a hole transporting layer. An electron transporting layer is formed on the blue luminescent layer alone. The red luminescent layer and the green luminescent layer have the same thickness as the sum of the thicknesses of the electron transporting layer and the blue luminescent layer.

REFERENCES:
patent: 08-231951 (1996-09-01), None
patent: 09-134786 (1997-05-01), None
patent: 2001-244080 (2001-09-01), None
patent: 2002-25770 (2002-01-01), None
patent: 2002-25770 (2002-01-01), None
Office Action issued for corresponding Japanese Patent Application No. 2002-059536 Decision of Refusal and English translation (NAA1021046) and Decision to Dismiss the Amendment and English translation (NAA1021046).

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