Editable dynamic phosphorescent flexible film and application method thereof

A technology of flexible film and phosphorescence effect, which is applied in chemical instruments and methods, luminescent materials, synthetic resin layered products, etc., and can solve problems such as inability to edit grayscale images

Pending Publication Date: 2022-08-05
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide an editable dynamic phosphorescent flexible film and a manufacturing method thereof, aiming to solve the problem that the editable phosphorescent flexible film material in the prior art cannot directly edit grayscale images by adjusting the activation light intensity. question

Method used

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  • Editable dynamic phosphorescent flexible film and application method thereof
  • Editable dynamic phosphorescent flexible film and application method thereof
  • Editable dynamic phosphorescent flexible film and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Weigh 1 g of PVP with a molecular weight of 58,000, dissolve it in 40 mL of double-distilled water with stirring, heat it to 50 degrees Celsius, and add ethanol in which 1 mg of Molecular A is dissolved at one time, and continue to heat and stir at 65 degrees. Among them, the molecular formula of molecule A is as follows:

[0043]

[0044] All the above solutions were transferred to a 20cm×20cm square flat-bottomed polystyrene petri dish, heated on a 30°C hot plate overnight to remove most of the solvent to obtain a functional layer film (thickness 50μm). It was transferred to a 120°C vacuum oven to be heated and dried for 2 hours, and then taken out and plastic-sealed with a 50 μm PET (polyethylene terephthalate, polyethylene terephthalate) film to obtain an editable dynamic phosphorescence flexible film 1 .

Embodiment 2

[0046] Weigh 1 g of PVP with a molecular weight of 360,000, dissolve it in 40 mL of double-distilled water with stirring, add ethanol in which 20 mg of molecular B is dissolved at one time after heating to 50 degrees Celsius, and continue to heat and stir at 65 degrees to evenly evaporate the ethanol. Among them, the molecular formula of molecule B is as follows:

[0047]

[0048] All the above solutions were transferred to a 20cm×20cm square flat-bottomed polystyrene petri dish, heated on a 30°C hot plate overnight to remove most of the solvent to obtain a functional layer film (thickness 50μm). It was transferred to a vacuum oven at 120 °C for heating and drying for 2 h, and then plastic-sealed with a 50 μm PET film to obtain an editable dynamic phosphorescent flexible film 2 .

Embodiment 3

[0050] Weigh 1 g of 1.3 million molecular weight PVP, dissolve it in 40 mL of double-distilled water with stirring, add ethanol in which 20 mg of molecular C is dissolved at one time after heating to 50 degrees Celsius, and continue to heat and stir at 65 degrees to evaporate the ethanol. Among them, the molecular formula of molecule C is as follows:

[0051]

[0052] All the above solutions were transferred to a 20cm×20cm square flat-bottomed polystyrene petri dish, heated on a 30°C hot plate overnight to remove most of the solvent to obtain a functional layer film (thickness 50μm). It was transferred to a 120°C vacuum oven for heating and drying for 2 hours, and then plastic-sealed with a 50 μm PET film to obtain an editable dynamic phosphorescent flexible film 3 .

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Abstract

The invention discloses an editable dynamic phosphorescent flexible film and an application method thereof. The flexible film comprises a first protective layer, a functional layer and a second protective layer which are sequentially stacked, the functional layer is a thin film layer made of a polyvinyl pyrrolidone material doped with a phosphorescent material; the first protective layer and the second protective layer are thin film protective layers made of hydrophobic polymer materials, and the first protective layer and the second protective layer are respectively bonded with the upper surface and the lower surface of the functional layer through thermocompression bonding. According to the editable dynamic phosphorescent flexible thin film, the functional layer is prepared from the polyvinyl pyrrolidone material doped with the phosphorescent material, and the thin film protection layers prepared from the hydrophobic polymer material are respectively adhered to the upper surface and the lower surface of the functional layer through thermocompression bonding; the method can directly adjust the activation editing of the activation light intensity on the flexible film in the normal atmosphere, forms the gray-scale image to realize reliable gray-scale display, and greatly expands the application scene of the flexible film.

Description

technical field [0001] The invention relates to the technical field of editable film materials, in particular to an editable dynamic phosphorescence flexible film and an application method thereof. Background technique [0002] Recently, room-temperature phosphorescent materials and devices based on organic materials have attracted extensive attention in the fields of display, encryption, and anti-counterfeiting due to their special characteristics such as long luminescence lifetime, high signal-to-noise ratio, and flexible materials. In particular, dynamic room temperature phosphorescent materials with editable features are becoming the focus in related fields. Compared with traditional static phosphorescent materials, the phosphorescence intensity and lifetime of dynamic room temperature phosphorescent materials are affected by activation conditions. Therefore, combined with the process of hollow mask and pre-exposure, phosphorescent images can be easily realized in thin-f...

Claims

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Application Information

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IPC IPC(8): B32B27/28B32B27/36B32B27/32B32B27/08B32B7/023C09K11/02C09K11/06C09K11/65
CPCB32B27/28B32B27/36B32B27/32B32B27/08B32B7/023C09K11/06C09K11/65C09K11/025B32B2250/24B32B2307/422C09K2211/1044C09K2211/1074
Inventor 刘彦峰严伟屈军乐
Owner SHENZHEN UNIV
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