Anti Glare Picture Glass

Anti glare picture glass reduces light reflection through surface treatment, thereby improving visual effect and avoiding excessive stimulation of light to the human eye. It focuses extensively on display screens, buildings, vehicles, museum exhibitions and other fields. Its principles and techniques involve complex surface processes. It also combines physical and chemical processing methods. This will ensure the best anti-glare effect.

The core principle of anti glare picture glass lies in the special process treatment of the glass surface. As long as the reflectivity of the early warning light is reduced, the light reflection can be reduced, thus reducing the generation of glare. The glare phenomenon is also mainly caused by the reflection of light from the surface. Like ordinary glass, it is common to have glare problems. In our life, it is often easy to see our own reflection on the glass. Some high-reflectivity glass can also cause strong reflected light, resulting in a glare effect, which affects the visual experience. Glass treated with anti-glare can effectively reduce light reflection. This allows more light to hit the glass or even the glare, thus achieving the effect of removing glare.

The production process of anti glare picture glass is mainly divided into two categories: physical treatment and chemical treatment. The physical processing is usually achieved by forming a diffuse reflection structure according to a precise process. The chemical treatment uses nanocoatings to prevent glare.

Chemical modification method

Chemical formation polishing is one of the common manufacturing processes for anti glare picture glass. The main principle is to carry out chemical corrosion on the glass surface. By controlling the corrosion depth and uniformity, the rough texture is marked on the glass surface to achieve the effect of light evacuation. The process is also divided into three steps:

· Chemical cleaning: Clean the anti glare picture glass first. Remove dirt, dust, etc. from the surface of the glass. In the production of anti glare picture glass, this is an inevitable first job. Do the first step well to ensure the effect of subsequent processing work.

· Acid corrosion: The whole glass is immersed in the acid solution. This process requires workers to be equipped with their own equipment to prevent corrosion of the human body. The common etchant is hydrofluoric acid. The corrosive agent will slowly erode the surface of the glass into a bumpy state. This is the key to the role of anti glare picture glass.

· Wash finish and neutralization: After corrosion, the corrosive agent is removed by washing. Keep the glass surface clean. So the process is complete.

The process is relatively simple and inexpensive. For the anti glare picture glass factory can carry out mass production, but also can bring a good anti-glare effect. However, this method has higher requirements on the process control area. Otherwise, corrosives can easily cause uneven texture on the glass surface. This will affect the appearance of the final anti-glare effect.

Nano-coating method

Nano-coating method is to apply one or more layers of nano-level anti-reflection coating material on the glass surface to achieve anti-heat and light effect. The thickness of this coating is only controlled in the nanometer scale, which is surprisingly thin. But such a thin layer still serves to reduce the reflected light.

· Selection of coating materials: Commonly used coating materials include silica. This material has a low refractive index, so it can help anti glare picture glass reduce the reflection of light.

· Coating process: using sol-thermal method or vacuum coating process. The coating needs to be evenly coated on the glass surface first, and the coating is cured by high temperature baking. This increases the coating force.

· Coating structure optimization: One layer of anti glare picture glass coating can play a certain anti-glare role, but this does not mean that the more layers of coating the better the effect. The thickness and number of layers of the coating need to be calculated precisely according to the optical principle. Only a reasonable number of layers can achieve the best anti-reflection effect.

The nano coating has excellent anti-glare performance and high light transmittance. However, this kind of high cost, relatively more suitable for high-end products.

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