Simultaneous emission of orthogonal handedness in circular polarization from a single luminophore

Kyungmin Baek; Dong-Myung Lee; Yu-Jin Lee; Hyunchul Choi; Jeongdae Seo; Inbyeong Kang; Chang-Jae Yu; Jae-Hoon Kim

doi:10.1038/s41377-019-0232-0

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Simultaneous emission of orthogonal handedness in circular polarization from a single luminophore

Article

- Simultaneous emission of orthogonal handedness in circular polarization from a single luminophore
- Light: Science & Applications Vol. 8, Issue 6, Pages: 1160-1167(2019)
- Affiliations：
  
  1.Department of Electronic Engineering, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 04763, Republic of Korea
  2.LG Display Co., Ltd., LG Science Park, 30 Magokjungang 10-ro, Gangseo-gu, Seoul 07796, Republic of Korea
- Author bio：
  
  Chang-Jae Yu (cjyu@hanyang.ac.kr)
  Jae-Hoon Kim (jhoon@hanyang.ac.kr)
- Funds：
- DOI：10.1038/s41377-019-0232-0
  CLC：
- Published：2019，
  
  Published Online：12 December 2019，
  
  Received：12 August 2019，
  
  Revised：23 November 2019，
  
  Accepted：29 November 2019
- Accepted：
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Baek, K. et al. Simultaneous emission of orthogonal handedness in circular polarization from a single luminophore. Light: Science & Applications, 8, 1160-1167 (2019).
DOI：

Baek, K. et al. Simultaneous emission of orthogonal handedness in circular polarization from a single luminophore. Light: Science & Applications, 8, 1160-1167 (2019). DOI： 10.1038/s41377-019-0232-0.

摘要

Abstract

The direct emission of circularly polarized (CP) light improves the efficiency of an organic light-emitting diode and characterizes the secondary structure of proteins. In most cases

CP light is generated from a luminescent layer containing chiral characteristics

thereby generating only one kind of CP light in an entire device. Here

we propose direct CP light emissions using a twisted achiral conjugate polymer without any chiral dopant as an emitting layer (EML). The twisted structure is induced in the mesogenic conjugate polymer due to its elasticity by applying different alignment directions to its upper and lower interfaces. Furthermore

we demonstrate the simultaneous emission of orthogonal CP light in a single luminescent device by patterning different alignment directions on the surfaces of the EML. The light source with multipolarization including the orthogonal CP states is applicable to many applications in biosensors and optical devices.

关键词

Keywords

references

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