Oled structures with barrier layer and strain relief

Details Oled structures with barrier layer and strain relief Oled structures with barrier layer and strain relief

H - Electricity

01

L

H01L 51/52 (2006.01) H01L 51/54 (2006.01) H01L 51/56 (2006.01)

Patent

CA 2540337

An OLED structure includes a substantially flexible substrate, and at least one barrier layer disposed between the substrate and the OLED structure. The barrier layer substantially prevents contaminants from permeating a layer of organic material or the OLED structure. The barrier layer includes a glass layer that has certain components added or removed to improve its flexibility. The OLED structure may also include a substantially flexible substrate and at least one barrier layer disposed between the substrate and the OLED structure. The barrier layer includes a strain relief material. The strain relief material advantageously has at least one axis of orientation. Photonic or electronic components, or both could be substituted for the OLED.

L'invention concerne une structure d'OLED comprenant un substrat sensiblement flexible et au moins une couche barrière, placée entre le substrat et la structure d'OLED. La couche barrière permet d'empêcher sensiblement la pénétration de contaminants dans une couche de matière organique ou dans la structure d'OLED. La couche barrière comprend une couche de verre dont certains composants ont été ajoutés ou éliminés en vue d'améliorer sa flexibilité. La structure d'OLED peut aussi comprendre un substrat sensiblement flexible et au moins une couche barrière, placée entre le substrat et la structure d'OLED. La couche barrière comprend une matière de relaxation de contraintes. Cette matière comporte avantageusement au moins un axe d'orientation. On peut utiliser des composants photoniques et/ou électroniques à la place des OLED.

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