Full-color laser displays based on organic printed microlaser arrays

Jinyang Zhao, Yongli Yan (), Zhenhua Gao, Yuxiang Du, Haiyun Dong, Jiannian Yao and Yong Sheng Zhao ()
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Jinyang Zhao: Chinese Academy of Sciences
Yongli Yan: Chinese Academy of Sciences
Zhenhua Gao: Chinese Academy of Sciences
Yuxiang Du: Chinese Academy of Sciences
Haiyun Dong: Chinese Academy of Sciences
Jiannian Yao: Chinese Academy of Sciences
Yong Sheng Zhao: Chinese Academy of Sciences

Nature Communications, 2019, vol. 10, issue 1, 1-7

Abstract: Abstract Laser displays, which exploit characteristic advantages of lasers, represent a promising next-generation display technology based on the ultimate visual experience they provide. However, the inability to obtain pixelated laser arrays as self-emissive full-color panels hinders the application of laser displays in the flat-panel sector. Due to their excellent optoelectronic properties and processability, organic materials have great potential for the production of periodically patterned multi-color microlaser arrays. Here, we demonstrate for the first time full-color laser displays on precisely patterned organic red-green-blue (RGB) microlaser matrices through inkjet printing. Individual RGB laser pixels are realized by doping respective luminescent dyes into the ink materials, resulting in a wide achievable color gamut 45% larger than the standard RGB space. Using as-prepared microlaser arrays as full-color panels, we achieve dynamic laser displays for video playing through consecutive beam scanning. These results represent a major step towards full-color laser displays with outstanding color expression.

Date: 2019
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DOI: 10.1038/s41467-019-08834-6

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