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Semitransparent passive matrix organic light-emitting displays

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Abstract

There has been an increased interest in developing top emission organic light-emitting diodes (OLEDs) that are able to emit light from both sides of the OLED display. One important application of the top emission device structure is to achieve monolithic integration of a top-emitting OLED on a polycrystalline or amorphous silicon thin film transistors used in active matrix displays. A high performance dual-sided top-emitting polymer OLED developed in this work exhibited a total luminous efficiency of ∼5.0 cd/A at 4.0 V, which is comparable to that observed for a control device having bottom emission structure. A laser ablation technology was developed to define the pixels. The cathode separation was achieved without using the conventional reverse trapezoid type separators that are normally used for pixellated OLED displays. A prototype of semitransparent polymer light-emitting passive matrix display has a matrix of 100 × 32 with a display area of 32.25 mm by 11.15 mm.

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Authors and Affiliations

  1. Institute of Materials Research and Engineering, No.3 Research Link, Singapore, 117602, Singapore

    Li-Wei Tan, Chan-Choy Chum, Kian-Soo Ong, Xiaotao Hao, Eric C.-W. Ou & Furong Zhu

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  1. Li-Wei Tan
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  2. Chan-Choy Chum
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  3. Kian-Soo Ong
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  4. Xiaotao Hao
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  5. Eric C.-W. Ou
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  6. Furong Zhu
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Correspondence to Furong Zhu.

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Tan, LW., Chum, CC., Ong, KS. et al. Semitransparent passive matrix organic light-emitting displays. J Mater Sci: Mater Electron 18, 913–918 (2007). https://doi.org/10.1007/s10854-006-9061-z

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  • DOI: https://doi.org/10.1007/s10854-006-9061-z

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