HIDDEN ORGANIC OPTOELECTRONIC DEVICES WITH A LIGHT SCATTERING LAYER

An optoelectronic device comprising at least one optoelectronic active region comprising at least a rear electrode and a front electrode between which an organic optoelectronic material is sandwiched, said rear electrode being reflective, and a cover layer arranged in front of said front electrode....

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Bibliographic Details
Main Authors LIFKA, HERBERT, TANASE, CHRISTINA, POPOVICI, MIHAELA, I, GREINER, HORST
Format Patent
LanguageEnglish
French
German
Published 23.11.2011
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:An optoelectronic device comprising at least one optoelectronic active region comprising at least a rear electrode and a front electrode between which an organic optoelectronic material is sandwiched, said rear electrode being reflective, and a cover layer arranged in front of said front electrode. The cover layer comprises a material with light-scattering particles of a first material dispersed in a transparent matrix of at an least partly hydrolyzed silica sol. Due to the highly scattering propertied of the cover layer, the device is essentially concealed behind the cover layer when not in its operative state.
Bibliography:Application Number: EP20090713749