P-152: Highly Efficient Light-Extraction Technologies for OLED Lighting Coupled to Corrugated Substrates and Designed Lens Arrays

A novel corrugated substrate has been developed for OLED lighting applications. The substrate enhances the light extraction efficiency without changing the spectra or luminous intensity distributions due to its self‐assembled quasi‐periodic structure. By combining the corrugated substrate with a spe...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2014-06, Vol.45 (1), p.1554-1557
Main Authors: Shibanuma, Toshihiko, Seki, Takashi, Toriyama, Shigetaka, Nishimura, Suzushi
Format: Article
Language:English
Subjects:
Arrays
combined use of internal and external light extraction techniques
corrugated substrate
Corrugating
Diodes
Illumination
Lenses
light extraction technology
Lighting
Luminous intensity
OLED lighting
Power efficiency
quasi-periodic structure
specially designed lens array
Spectra
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Summary:A novel corrugated substrate has been developed for OLED lighting applications. The substrate enhances the light extraction efficiency without changing the spectra or luminous intensity distributions due to its self‐assembled quasi‐periodic structure. By combining the corrugated substrate with a specially designed lens array, a 102% improvement in power efficiency was achieved in a large area light‐emitting device.
ISSN:0097-966X
2168-0159
DOI:10.1002/j.2168-0159.2014.tb00413.x