ORGANIC LIGHT EMITTING DIODE HAVING A RESONANT OPTICAL CAVITY AND AN EXTRACTOR SERVING AS A SPATIAL LIGHT FILTER

According to the invention, the extractor is a reflection concentrator. The entry section of the extractor has a larger area than its exit section. The reflecting side walls of the extractor have a suitable shape so that it makes an angle called the cut-off angle lim, which corresponds to a limiting...

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Bibliographische Detailangaben
1. Verfasser:	FERY, CHRISTOPHE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING BASIC ELECTRIC ELEMENTS CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LABELS OR NAME-PLATES PHYSICS SEALS SEMICONDUCTOR DEVICES SIGNS
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Beschreibung
Zusammenfassung:	According to the invention, the extractor is a reflection concentrator. The entry section of the extractor has a larger area than its exit section. The reflecting side walls of the extractor have a suitable shape so that it makes an angle called the cut-off angle lim, which corresponds to a limiting wavelength λC-lim for transmission from this extractor for a given optical cavity. Applied to diode-based image displays, the invention broadens the viewing angles and improves the colour purity of the images displayed.