METHOD OF FORMING AN ORGANIC LIGHT EMITTING DIODE STRUCTURE

There is provided organic light emitting diode (OLED) device that include an organic electroluminescent layer formed between a first electrode and a second electrode. The organic electroluminescent layer is formed of a photo-crosslinkable liquid having dichroic molecules therein, and has a grating p...

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Bibliographische Detailangaben
1. Verfasser:	COPNER, Nigel Joseph
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	There is provided organic light emitting diode (OLED) device that include an organic electroluminescent layer formed between a first electrode and a second electrode. The organic electroluminescent layer is formed of a photo-crosslinkable liquid having dichroic molecules therein, and has a grating pattern defined therein by exposure of regions of the organic electroluminescent layer to a light beam. The refractive index of the exposed regions of the organic electroluminescent layer varies across the grating pattern. A method for fabricating the OLED device is also provided that includes providing the organic electroluminescent layer and defining the grating pattern in the photo-crosslinkable liquid by illuminating regions of the organic electroluminescent layer with a light beam. The refractive index of the defined grating pattern is tuned by adjusting the dosage of light to which the photo-crosslinkable liquid is exposed.