Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio

Juntong Li; Yanping Ni; Xiaoli Zhao; Bin Wang; Chuang Xue; Zetong Bi; Cong Zhang; Yongjun Dong; Yanhong Tong; Qingxin Tang; Yichun Liu

doi:10.1038/s41377-024-01524-z

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Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio

Original Articles

- Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio
- Light: Science & Applications Vol. 13, Issue 9, Pages: 1828-1840(2024)
- Affiliations：
  
  Key Laboratory of UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun, China
- Author bio：
  
  Xiaoli Zhao (zhaoxl326@nenu.edu.cn)
  Yongjun Dong (dongyj512@nenu.edu.cn)
  Qingxin Tang (tangqx@nenu.edu.cn)
- Funds：
- DOI：10.1038/s41377-024-01524-z
  CLC：
- Published：30 September 2024，
  
  Published Online：26 July 2024，
  
  Received：25 January 2024，
  
  Revised：06 June 2024，
  
  Accepted：10 July 2024
- Accepted：
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Li, J. T. et al. Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio. Light: Science & Applications, 13, 1828-1840 (2024).
DOI：

Li, J. T. et al. Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio. Light: Science & Applications, 13, 1828-1840 (2024). DOI： 10.1038/s41377-024-01524-z.

摘要

Abstract

Vertically stacked all-organic active-matrix organic light-emitting diodes are promising candidates for high-quality skin-like displays due to their high aperture ratio

extreme mechanical flexibility

and low-temperature processing ability. However

these displays suffer from process interferences when interconnecting functional layers made of all-organic materials. To overcome this challenge

we present an innov

ative integration strategy called "discrete preparation-multilayer lamination" based on microelectronic processes. In this strategy

each functional layer was prepared separately on different substrates to avoid chemical and physical damage caused by process interferences. A single interconnect layer was introduced between each vertically stacked functional layer to ensure mechanical compatibility and interconnection. Compared to the previously reported layer-by-layer preparation method

the proposed method eliminates the need for tedious protection via barrier and pixel-defining layer processing steps. Additionally

based on active-matrix display

this strategy allows multiple pixels to collectively display a pattern of "1" with an aperture ratio of 83%. Moreover

the average mobility of full-photolithographic organic thin-film transistors was 1.04 cm

−1

−

ensuring stable and uniform displays. This strategy forms the basis for the construction of vertically stacked active-matrix displays

which should facilitate the commercial development of skin-like displays in wearable electronics.

关键词

Keywords

references

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