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20 April 2006 Light extraction and customized optical distribution from plastic micro-optics integrated OLEDs
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Abstract
An OLED device suitable for automobile ceiling lights has been designed, fabricated and evaluated. The OLED structure is fabricated on a thin (120 µm), flexible polymer foil with integrated micro-optics to achieve customized beam shaping in the far field. A pixelated OLED structure matched to a patch-pad microlens matrix was used to convert the OLED Lambertian emission into a Gaussian-shaped illumination beam. Both refractive and diffractive microlenses were investigated. The integrated micro-optics OLED architecture reduces light losses due to waveguiding effects and effectively increases the light extraction by up to 70%.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
P. Melpignano, G. Rotaris, V. Biondo, S. Sinesi, S. Westenhöfer, M. T. Gale, M. Murgia, S. Caria, and R. Zamboni "Light extraction and customized optical distribution from plastic micro-optics integrated OLEDs", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 61920V (20 April 2006); https://doi.org/10.1117/12.665515
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