用于车载以及各类显示器的防反射、抗窥视、防眩光等，同时可切断来自光源或外部的不必要光线，适用于视野范围和光路控制的硅橡胶薄膜，广泛应用于传感器和指纹识别等领域。
[Industrial field]
汽车、PC、家电、信息设备、传感器
由于在百叶窗层中使用了硅橡胶，具有优异的耐环境性能。此外，由于生产工艺的原因，设计自由度高，可根据需要设定个别的视野范围。
[Applications]
- 车载指示器、CID、照明（防反射）
-
ATM、液晶显示器（防窥视/防光漏）
-
传感器类、指纹识别（光路控制）
- 由于百叶窗层中使用了硅橡胶，具有优异的耐热、耐寒性、耐湿性等环境特性，以及良好的柔韧性。
- 硅橡胶良好的着色性使得遮光层的遮蔽效果良好，在遮光位置的漏光较少。
- 支持20°到120°范围内的视野范围设定，并且可以根据需求提供个别的视野范围设置。
- “N-VCF”（狭视野范围类型1）
- “W-VCF”（广视野范围类型2）
- 通过对遮光层角度的调整，还能提供偏移视角的百叶窗角度设计。
- 支持AG、硬涂层等各类涂层薄膜。
- 支持透明粘性胶带的粘合。
- 通过与车载指示器或CID结合，防止夜间玻璃表面的反射。
- 贴合到液晶显示器上，可以防止窥视和减少周围的眩光。
- 过切断光源或外部光线的不必要光线，能有效用于指纹识别和传感器部件。
透明硅橡胶与高隐蔽性的黑色硅橡胶交替排列，形成微型百叶窗薄膜的正反面，并粘贴透明树脂薄膜。
使用两层微型百叶窗薄膜，能够实现四方向(垂直+水平)遮蔽，使可视范围集中于中央（交叉百叶窗设计）。
狭视野范围VCF
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Outline
- Field of view range (view angle, field of view ): The range or angle where the display can be seen through the VCF .
- Louver angle: The angle between the black shading layer and the horizontal datum line.
Basic property
| Characteristic | Item | Measured value | Unit | Test method |
|---|---|---|---|---|
| Thermal characteristics | Bend temperature | 126.8 | ºC | JIS-K-7207 |
| Coefficient of linear expansion |
8.0 |
10~{-5}mm/mm/ºC | ASTM-D-696 | |
| Heating contractibility | TD 0.15 | % | JIS-K-6735 | |
| MD 0.10 | % | JIS-K-6735 | ||
| Combustivity | SE | FMVSS-302 | ||
| Mechanical characteristics | Extensive strength | 300 | kg/cm~{2} | JIS-K-7113 |
| Stretch | 110 | % | JIS-K-7113 | |
| Delamination strength | 1.3 | kg/25mm | JIS-K-6854 | |
| Optical characteristics |
Ray transmittance |
78 | % | JIS-K-7105 |
- The surface transparent resin film can also be used for surface treatment with additional functions.
- In addition to the above list, the field of view range is also available with narrow field of view (20-30°) and wide field of view (120°).
- Also, it is possible to customize to specific field of view range.
Click here for "N-VCF (narrow field of view range type)"
Click here for "W-VCF (wide field of view range type)"
- By stacking two louver films orthogonally, it is possible to block in four directions and limit the field of view range to the central part (cross louver specification).
Environmental resistance characteristic
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Change of Chromaticity (⊿⊿x(⊿⊿y))=『Chromaticity of After test (⊿x'(⊿y'))』‐『Before test (⊿x(⊿y))』
Surface film :Polycarbonate film 0.2mm thickness
Light resistance test characteristic
- Test equipment : Xenon arc Weather-O-Meter(Atlas Ci4000)
- Irradiation method : Continuous irradiation
- Irradiance : 0.55W/m2(340nm)
- Black panel temperature : 89℃/Humidity :50%
- Exposure value : 800KJ(404hours)
Field of view range Characteristic
VCF Standard spec LIST
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Note
Every item or numerical value indicated herein is measured by Shine-Etsu and out of guarantee.
The quality of the connector, which bas been already assmblied, is out of guarantee.
Please make sure to see about the purpose/conditions of use and practice your own test.
Industrial ownership like patent doesn't guarantee the usage of the connector.
Example of use
Technical information
Shin-Etsu view control film is used to the mobile phone as "veil view" or as anti-reflection toward windshield and so on. By the use of silicone rubber, it is superior in environmental resistance, optical characteristic or flexibility and highly effective.
