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Angle unbiased color display material based on photonic crystal microspheres

A photonic crystal microsphere, color display technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of large-scale preparation of photonic crystal display technology, immature dynamic refresh rate full color, difficult to eliminate, etc., and achieve bright colors. , the effect of high reflectivity

Inactive Publication Date: 2013-07-31
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, photonic crystal display technology is still immature in terms of large-scale preparation, dynamic refresh rate and full color.
In particular, the iridescence of photonic crystals is an inherent property that is difficult to eliminate, making it never used in wide viewing angle displays

Method used

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  • Angle unbiased color display material based on photonic crystal microspheres
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  • Angle unbiased color display material based on photonic crystal microspheres

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1 Electrochromic angle unbiased color display material based on photonic crystal microsphere 1

[0026] image 3 It schematically shows a side view of an electrochromic angular unbiased color display material based on photonic crystal microspheres 1 according to Embodiment 1 of the present invention. The display material has: a polymer 2 layer with a fixed photonic crystal microsphere 1 array, and the photonic crystal microsphere 1 and the polymer 2 together constitute the core part of the display panel; the upper part is covered with a flexible transparent electrode 4, and the lower part is an electrode block array 5 , the electrode block array 5 is encapsulated by two polymer layers; the upper electrode and the lower electrode are completely hermetically encapsulated by a flexible transparent protective film.

[0027] In the electrochromic angle unbiased color display material based on photonic crystal microspheres 1 in Example 1 of the present invention, at ...

Embodiment 2

[0033] Example 2 A piezochromic angular unbiased color display method (material) based on photonic crystal microspheres 1

[0034] In the piezochromic angular unbiased color display material based on photonic crystal microspheres 1 in Example 2 of the present invention, in addition to the elastic polymer 2, piezoelectric ceramic arrays composed of barium titanate series, lead zirconate titanate binary system, etc. 6, the remaining parts are the same as the corresponding parts in Example 1.

[0035] Production process:

[0036] First, the three-dimensional photonic crystal microsphere 1 is prepared. Select an aqueous solution of monodisperse nanoparticles (170-250 nanometers in diameter) in any combination of one or more of silicon dioxide, polystyrene, polymethyl methacrylate, and titanium dioxide, and obtain monodisperse emulsion droplets through microfluidics , photonic crystal microsphere 1 was obtained by self-assembly at 60°C for 24 hours.

[0037] Next, the photonic c...

Embodiment 3

[0041] Example 3 Swelling color-changing angle unbiased color display method (material) based on photonic crystal microsphere 1

[0042] In Example 3 of the present invention, the swellable color-changing angle unbiased color display material based on photonic crystal microsphere 1, the swellable material can be made of polyethylene glycol diacrylate (PEGDA), isopropylacrylamide (NIPAM), acrylamide , Polydimethylsiloxane, etc. are formed by ultraviolet light polymerization or thermal polymerization. Except that no electrode material and upper protective film are needed, the remaining parts are the same as the corresponding parts in Example 1.

[0043] Production process:

[0044] First, the three-dimensional photonic crystal microsphere 1 is prepared. Select an aqueous solution of monodisperse nanoparticles (170-250 nanometers in diameter) in any combination of one or more of silicon dioxide, polystyrene, polymethyl methacrylate, and titanium dioxide, and obtain monodisperse e...

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Abstract

The invention discloses an angle unbiased color display material based on photonic crystal microspheres, which comprises three-dimensional photonic crystal microspheres, a polymer and a flexible transparent material, wherein the three-dimensional photonic crystal microspheres are fixed in the polymer; the polymer is packaged in the flexible transparent material; and the diameter of each photonic crystal microsphere is 22-1001 micrometers. With the adoption of the mode, angle unbiased display is achieved, and the characteristics of high reflectivity, bright color and the like of a photonic crystal are kept simultaneously, so that a photonic crystal display technology has an important application value.

Description

technical field [0001] The invention relates to the technical field of flexible reflective displays, in particular to an angle unbiased color display material based on photonic crystal microspheres. Background technique [0002] Information, matter, and energy are the three foundations for the survival and development of human society. 60% of information is obtained through vision, so the importance of information display technology is self-evident; and information display materials are the material basis for supporting information display technology. Every bit of development and progress will bring about immediate changes in information display technology, and even have a profound impact on the entire information society. The dissemination and exchange of modern information has entered a new stage, and new requirements have been put forward for information materials, and the most typical features of thinness, portability, and low power consumption have quickly emerged. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/153
Inventor 顾忠泽顾洪成赵远锦谢卓颖刘慈慧
Owner SOUTHEAST UNIV
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