47‐3: High Efficiency and High PPI AMOLED with Cavity Tuned by Inkjet Printed Hole Injection Layer

A low‐cost AMOLED with 10µm sub‐pixel width is fabricated without using a FMM. Solution hole injection layers were printed on a TFT array panel to replace multiple thicknesses of ITO commonly used for cavity tuning, resulting in a new process with low cost and high pixel density. The panel using ink...

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Veröffentlicht in:SID International Symposium Digest of technical papers 2018-05, Vol.49 (1), p.624-626
Hauptverfasser: Lee, Meng-Ting, Lu, Kun-Ta, Chen, Yi-Hong, Lin, Kuan-Heng, Chen, Wen-Pin, Chen, Tsu-Wei, Chen, Kuo-Kuang, Lu, Hsueh-Hsing, Lin, Yu-Hsin, Walker, Daniel, Creally, Matthew, Béalle, Gaëlle, Wang, Hsing-Ju, Tseng, Hsin-Rong, Goulding, Mark, Boehm, Edgar, Buchholz, Herwig
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Sprache:eng
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Zusammenfassung:A low‐cost AMOLED with 10µm sub‐pixel width is fabricated without using a FMM. Solution hole injection layers were printed on a TFT array panel to replace multiple thicknesses of ITO commonly used for cavity tuning, resulting in a new process with low cost and high pixel density. The panel using inkjet‐printed hole injection layer achieved the same performance as a panel using ITO only. The panel achieved a high NTSC ratio of 95.6% coverage and a reflectivity of ambient light lower than 6%, thanks to a precise alignment of AMOLED sub‐pixels and a RGB color filter rather than a circular polarizer.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.12404