Organic photosensitive optoelectronic device

H - Electricity – 01 – L

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H01L 31/06 (2006.01) B32B 9/04 (2006.01) H01L 51/30 (2006.01)

Patent

CA 2306833

An organic photosensitive optoelectronic device (OPOD) is optimized to enhance characteristics such as external quantum efficiency. The OPOD (300) may have one or more transparent electrodes (302, 304). The substrate (301) may be the bottom electrode, or there may be a bottom electrode distinct from the substrate. One or more organic photoconductive layers (303) are disposed between the electrodes. The OPOD may also have a multilayer photoconductive structure or a stacked configuration of multiple photosensitive optoelectronic subcells. The OPOD may also have a reflective layer or a reflective substrate.

La présente invention concerne un dispositif organique optoélectronique photosensible (OPOD) optimisé de manière à améliorer certaines caractéristiques telles que le rendement quantique externe. L'OPOD (300) peut comporter une ou plusieurs électrodes transparentes (302, 304). Le substrat (301) peut être constitué par l'électrode inférieure, ou bien cette électrode inférieure peut être distincte du substrat. Une ou plusieurs couches organiques photoconductrices (303) sont disposées entre les électrodes. L'OPOD peut également présenter une structure photoconductrice multicouche ou un empilement de multiples sous-cellules optoélectroniques photosensibles. En outre, l'OPOD peut comporter une couche réfléchissante ou un substrat réfléchissant.

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