Direct laser printing color images based on the microstructure modulation of phase change material

Wei, Tao; Liu, Bo; Li, Wanfei; Ling, Yun; Hu, Jing; Wei, Jingsong

doi:10.1016/j.optlastec.2020.106895

Cited by 3 publications

(6 citation statements)

References 31 publications

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“…This characteristic makes them suitable for utilization in simple two-color displays in wearable devices, auxiliary notification displays in mobile phones, and full color solid-state reflection displays. [137,142] By combining the F-P cavity resonance and strong interference effects, a modulation of the thickness and phase state can be used for color generation. Additionally, some studies have shown that a complete color gamut can be theoretically achieved by increasing the number of layers in the phase change film, independently controlling the phase state of each layer, and tuning the dielectric layer thickness.…”

Section: Discussionmentioning

confidence: 99%

“…Wei et al [137] have studied the intrinsic physical mechanism of resonance peak shifts, including the influence of the [137] Copyright 2021, Elsevier. f) Static full-color NvD-PCM image created by the subpixellation process (right) and a color print version of the same image (left).…”

Section: Strong Interference Effectmentioning

confidence: 99%

Section: Mechanisms Of Color Changementioning

confidence: 99%

mentioning

confidence: 99%

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Nonvolatile Displays Based on Phase Change Materials

Cui,

Zhang,

Cheng

2023

Advanced Optical Materials

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With an increasing requirement to showcase dynamic and adaptable content for diverse purposes, ranging from interactive marketing to energy efficiency initiatives, it is vital to develop technologies that consume negligible power to display images and exhibit good sunlight legibility, rapid refresh rates, and full‐spectrum color reproduction. Nonvolatile displays based on phase change materials (NvD‐PCMs) can satisfy all the aforementioned criteria and have attracted immense attention in academia and industry. However, despite advancements in the color‐changing performance of such coatings, NvD‐PCM technology remains associated with several challenges, such as the lack of a microstructural‐origin‐based systematic explanation of the color‐generating mechanism and development of pixelated displays. This paper comprehensively reviews recent advances in NvD‐PCMs. It discusses the intrinsic properties and material selection of PCMs for display applications, summarizing the rendering mechanism for adjustable structural colors and challenges associated with nanopixel display technology, finally providing a multidimensional outlook on the future research direction in this domain. By overcoming the constraints of NvD‐PCMs and exploring their potential, this review aims to contribute to their advancement, facilitating the development of innovative display technologies that meet the increasing demands of various industries.

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Section: Discussionmentioning

confidence: 99%

Section: Strong Interference Effectmentioning

confidence: 99%

Section: Mechanisms Of Color Changementioning

confidence: 99%

mentioning

confidence: 99%

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Nonvolatile Displays Based on Phase Change Materials

Cui,

Zhang,

Cheng

2023

Advanced Optical Materials

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“…PCMs show the advantages of ultra-fast dynamic regulation and wide tuning spectral ranges [12][13][14]. They have been previously used in nonvolatile photon applications (e.g., sensors [15,16], photon memory [17], filters [18][19][20], and displays [21,22]).…”

Section: Introductionmentioning

confidence: 99%

Structural Color of Multi-Order Fabry–Perot Resonator Based on Sc0.2Sb2Te3 Enhanced Saturated Reflection Color

et al. 2023

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The structural color based on the Fabry–Perot (F–P) resonator has been extensively applied lithography-free and tunable color displays. Conventional F–P cavity-based structural color technology exhibits a wide half maximum full width (fwhm), thus causing low color saturation. In this study, a Sc0.2Sb2Te3(SST) based structure of multi-order F–P cavity resonance was proposed to obtain high-saturation colors. The surface absorber of the multi-order F–P resonator structure was coated with an SST film, such that the reflection effect at nonresonant wavelengths was reduced. Moreover, ITO layer stacking served as F–P cavity resonance for multi-level modulation, and only a resonant wavelength was allowed to reflect. On that basis, the fwhm of nearly 25 nm and a peak reflectance of 90 was achieved. With the above structure, the color saturation can be dynamically regulated by the phase state of the SST. It is noteworthy that 60% sRGB color gamut space and 50% aRGB color gamut space can be currently achieved. The proposed modulation subsurface is expected to expand the color range of high-level and micro-nano display technology.

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