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Naked-eye 3D mobile phone backboard film and preparation method thereof as well as mobile phone

A backplane film, 3D technology, applied in sub-office equipment, telephone structure, optics, etc., can solve the problems of difficult process control, heavy pollution, and inability to realize microscopic texture patterns, etc., to increase surface free energy and surface tension Effect

Pending Publication Date: 2020-01-10
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are two main ways to innovate the appearance and vision of the glass mobile phone backplane film currently popular in the market: one is to process texture patterns on the glass by etching, which pollutes the environment a lot, and the texture patterns realized It is relatively rough, and can only process texture patterns with a line width of ≥0.01mm, but cannot process fine microscopic texture patterns with a line width of <0.01mm; the other is through magnetron sputtering coating and UV transfer printing The mobile phone back panel film with gradient color and refraction effect produced by the process is difficult to control and the cost is relatively high
[0004] To sum up, most of the glass mobile phone backplane films currently on the market are designed and developed for texture and color, with poor environmental protection, rough precision, and simplistic or homogeneous visual effects.

Method used

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  • Naked-eye 3D mobile phone backboard film and preparation method thereof as well as mobile phone
  • Naked-eye 3D mobile phone backboard film and preparation method thereof as well as mobile phone
  • Naked-eye 3D mobile phone backboard film and preparation method thereof as well as mobile phone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] The overall preparation process flow chart of the naked-eye 3D mobile phone backplane film is as follows figure 2 Shown, its specific preparation method is as follows:

[0106] Select a transparent film with high surface smoothness, strong adhesion to the UV resin composition, 90% to 92% transmittance in the visible light band, polyethylene terephthalate material, and a thickness of 80 μm, and double-coat it. Surface chemical treatment, the treatment method can be selected from the surface chemical treatment methods commonly used in this field, such as anodic oxidation, surface super hardening, salt bath compounding, chemical oxidation, chemical vapor deposition.

[0107] micro-nanoimprint

[0108] Using the transparent film that has been chemically treated on both sides as the substrate, the UV resin composition is embossed on the front of the transparent film by micro-nano imprinting to form a microlens array layer. The optical mold of the microlens array is a ni...

Embodiment 2

[0125] The implementation of this embodiment is roughly the same as in Example 1, the difference being that the UV transfer printing method is specifically:

[0126] The PS plate is transferred into a sub-mold, sub-mold + UV photoresist + microlens film material (transparent film embossed with a microlens array layer), and a microstructure pattern is prepared on the back of the transparent film. Through the rotor mold, the PS plate indirectly The microstructure pattern is transferred to the microlens film material; wherein, the base material of the sub-mold is polycarbonate.

experiment example 1

[0127] Experimental example 1 Visual effect and wear resistance of naked-eye 3D mobile phone backplane film

[0128] Visual effects

[0129] Such as Figure 5 As shown, by adjusting parameters such as the size and spacing of the basic elements of the 3D micro-text, a multi-channel and multi-color 3D display effect can be presented.

[0130] Such as Image 6 As shown, by adjusting parameters such as the size and spacing of the basic elements of 3D micro-graphics, 3D display effects such as floating, sinking, zooming in, zooming out, gradients, rules, irregular shapes, and different depths of field can be presented.

[0131] Such as Figure 7 As shown, by performing deformation processing such as sphericalization, shrinkage, diffusion, and polarization on different areas of the same design file, and slightly changing the arrangement spacing and position of the basic elements of the 3D micro-text, a more personalized design can be achieved. 3D display effect.

[0132] We...

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Abstract

The invention relates to a naked-eye 3D mobile phone backboard film and a preparation method thereof as well as a mobile phone. The naked-eye 3D mobile phone backboard film comprises a transparent film layer, wherein a micro lens array layer is arranged on the front surface of the transparent film layer; a microstructure pattern layer and a local printing layer are sequentially arranged on the back surface of the transparent film layer; a supporting layer is arranged on the back surface of the local printing layer; and the micro lens array layer comprises a plurality of micro lenses arranged in an array. The naked-eye 3D mobile phone backboard film is remarkable in stereoscopic impression, rich in appearance display effect, capable of presenting a naked-eye 3D display effect in a 360-degree full-angle range, strong in visual impact and sensual experience, and excellent in wear resistance.

Description

technical field [0001] The invention relates to the field of mobile phone backplane film and printing, in particular, to a naked-eye 3D mobile phone backplane film, a preparation method thereof, and a mobile phone. Background technique [0002] In recent years, the smartphone industry has developed rapidly, but the phenomenon of homogenization has become increasingly serious. Design innovation has become a breakthrough point for mobile phone manufacturers to attract consumers and enhance brand influence in the fierce competition. With the advent of the 5G era, the mobile phone backplane market is facing a reshuffle. Glass mobile phone backplanes that can carry NFC, WiFi and wireless charging technologies without barriers will be the future development trend of the mobile phone industry. [0003] There are two main methods for visually innovating the appearance of the glass mobile phone backplane film that are currently popular in the market: one is to process texture pattern...

Claims

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Application Information

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IPC IPC(8): G02B3/00G02B30/27H04M1/02
CPCG02B3/0031G02B3/0056H04M1/026
Inventor 陈广学陈琳轶廖立瑜田君飞陈奇峰何明辉
Owner SOUTH CHINA UNIV OF TECH
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