Pour les écrans tactiles industriels, il ne faut pas choisir les verres AG, AF et AR en se basant uniquement sur le nom du revêtement.
Le bon choix dépend du problème réel.
Utilisez un verre AG lorsque les reflets dus à la lumière du soleil, à l'éclairage de l'usine ou aux plafonniers rendent l'écran difficile à lire.
Optez pour un verre AF lorsque les traces de doigts, les taches de graisse et les nettoyages fréquents constituent votre principale préoccupation.
Utilisez des verres AR lorsque vous devez réduire les reflets de surface tout en conservant une netteté et un contraste optimaux de l'image.
Mais aucun de ces traitements ne peut à lui seul remédier à une structure d'affichage défaillante.
Pour les bornes d'extérieur, les bornes de recharge pour véhicules électriques, les interfaces homme-machine (IHM) en usine, les écrans tactiles médicaux et les moniteurs industriels sur mesure, le résultat final dépend également de la luminosité de l'écran LCD, du collage optique, de l'épaisseur de la vitre de protection, du réglage du contrôleur tactile, de l'étanchéité de la face avant, de la méthode de nettoyage et de l'angle d'installation.
Dans de nombreux projets industriels, la combinaison d'un revêtement antireflet (AR), d'une haute luminosité et d'un collage optique s'avère plus pratique que l'ajout d'un revêtement antireflet seul. Le revêtement antireflet (AR) est particulièrement utile lorsque l'écran est souvent touché. Le revêtement antireflet (AR) doit être utilisé lorsque la réduction des reflets et l'amélioration de la clarté justifient le surcoût, ainsi que les exigences en matière de contrôle du revêtement et de durabilité.
Ce guide explique comment choisir les verres AG, AF et AR pour les écrans tactiles industriels, les bornes interactives d'extérieur, les bornes de recharge pour véhicules électriques, les panneaux IHM et les projets d'écrans tactiles sur mesure.
AG signifie « anti-éblouissement ». AF signifie « anti-traces de doigts » et « nettoyage ». AR signifie « anti-reflets » et « clarté ».
Pour les écrans tactiles industriels destinés à une utilisation en extérieur, le revêtement du verre ne suffit pas à lui seul. La luminosité de l'écran LCD, le collage optique, l'épaisseur du verre de protection et l'angle d'installation sont généralement les facteurs qui déterminent la lisibilité finale.
| Traitement | Objectif principal | À choisir lorsque | Faites attention lorsque | Utilisation industrielle courante |
|---|---|---|---|---|
| AG Anti-reflets | Réduit l'éblouissement en diffusant la lumière réfléchie | L'écran est utilisable à la lumière du soleil, sous un éclairage industriel ou en présence d'une forte lumière artificielle | Un niveau élevé de voile peut réduire la netteté de l'image, la lisibilité du texte ou le contraste perçu | Kiosques d'extérieur, bornes de recharge pour véhicules électriques, interfaces homme-machine (IHM) pour usines, écrans industriels |
| AF Anti-traces de doigts | Réduit les traces de doigts et les taches de graisse | L'écran est souvent touché ou doit être nettoyé fréquemment | Le traitement AF n'empêche pas les rayures, et le revêtement peut s'user selon la méthode de nettoyage utilisée | Terminaux de point de vente, panneaux médicaux, bornes publiques, machines en libre-service |
| AR Antireflet | Réduit les reflets de surface et améliore la clarté | L'écran nécessite une réflexion réduite, un meilleur contraste ou une qualité visuelle supérieure | La RA entraîne des coûts supplémentaires et nécessite une durabilité des revêtements, un nettoyage et un contrôle de la production | Écrans haute définition, appareils médicaux, panneaux d'intérieur haut de gamme, écrans d'extérieur sélectionnés |
Un plus grand nombre de traitements ne garantit pas automatiquement un meilleur rendu.
Les traitements AG + AF sont couramment utilisés pour les écrans tactiles publics et les IHM industrielles. Le traitement AR + AF peut être utilisé lorsque la clarté et la facilité de nettoyage sont toutes deux importantes. Les combinaisons AG + AR ou AG + AF + AR doivent être soigneusement vérifiées à l'aide d'échantillons, car le voile, la réflectance, la durabilité du revêtement et le coût peuvent influencer le résultat final.
| État du projet | Point de départ recommandé | Voir aussi | Erreur courante |
|---|---|---|---|
| Exposition directe au soleil ou utilisation à l'extérieur | Verre AG + écran LCD haute luminosité | Collage optique, angle d'installation, épaisseur de la vitre de protection | S'attendre à ce que la technologie AG ou AR suffise à elle seule à rendre l'écran lisible en plein soleil |
| Kiosque semi-extérieur ou borne de recharge pour véhicules électriques | Verre AG gravé | Revêtement AF, collage optique, structure avant étanche | Opter pour un verre trempé à revêtement sans vérifier sa résistance à l'abrasion à long terme ni son comportement à l'exposition en extérieur |
| Écran tactile public | AF ou AG + AF | Méthode de nettoyage, fréquence de contact, durabilité du revêtement | Treating AF as scratch protection |
| Premium indoor or medical display | AR or AR + AF | Reflectance, cleaning method, coating protection | Using AR without confirming durability and production stability |
| IK-rated thick cover glass touch display | Cover glass thickness + touch tuning first | AG, AF, AR, optical bonding, glove touch, wet touch | Focusing on coating while ignoring touch controller tuning |
For outdoor industrial touch displays, the question is not simply “AG or AR?”
La meilleure question est la suivante :
Will the screen still be readable, touchable and durable after it is installed in the final machine?
AG glass reduces glare by creating a matte or diffused surface effect.
It is often used on outdoor touch displays, industrial HMIs, kiosks, EV charging stations and equipment exposed to sunlight or strong indoor lighting.
The key parameter is haze.
Higher haze can reduce glare, but too much haze can make the image look less sharp. For industrial touch displays, AG glass should be selected together with LCD brightness, viewing distance and installation angle.
AG is useful when glare is the problem. It is not a complete outdoor readability solution by itself.
If the display faces direct sunlight, brightness and optical bonding may matter more than the AG surface alone.
For AG glass, buyers should also check how the AG surface is made.
Some AG surfaces are made by coating. Some are made by chemical etching.
Coated AG is usually cheaper, but the surface layer may have a shorter service life depending on cleaning, abrasion and outdoor exposure.
Etched AG is made directly on the glass surface. It is usually more stable and more suitable for outdoor or long-term industrial use, but the cost is higher.
For outdoor touch displays, EV chargers and public kiosks, etched AG is usually the safer choice when long-term durability matters.
AF glass reduces fingerprint and oil adhesion on the glass surface.
It does not make fingerprints disappear. It makes them less obvious and easier to wipe off.
AF is useful for public kiosks, POS terminals, medical equipment, self-service machines and industrial control panels with frequent touch operation.
Its value is simple: less visible dirt, easier cleaning, better daily maintenance.
If the screen is rarely touched, AF may be unnecessary.
For a public touch screen, AF is not a luxury coating. It is a maintenance decision.
AR glass reduces surface reflection and improves image clarity and contrast.
Compared with AG glass, AR usually keeps a clearer visual effect. It is useful when the screen needs higher transparency, better contrast or a more premium appearance.
But AR is often misunderstood.
AR glass does not replace high brightness.
It does not replace optical bonding.
It does not turn a weak outdoor display into a sunlight-readable display.
For outdoor industrial displays, the main readability problem is often not only surface reflection. It may also come from low LCD brightness, internal reflection from an air gap, thick cover glass, poor front structure or an installation angle that reflects sunlight directly into the user’s eyes.
AR coating can reduce surface reflection and improve clarity, but it cannot replace:
AR is worth considering when the project needs lower reflection, better clarity and a premium visual result, and when the buyer can accept higher cost, stricter cleaning requirements and coating durability control.
HC hard coating is different from AG, AF and AR.
HC is mainly used to improve surface scratch resistance.
AG reduces glare.
AF reduces fingerprints.
AR reduces reflection.
HC improves scratch resistance.
If the project needs scratch resistance, check HC hard coating, glass hardness, abrasion resistance and the final cleaning method. Do not treat AF as scratch protection.
Do not approve a glass treatment only by name.
The same “AG glass” or “AR glass” may perform differently from different suppliers. Haze, reflectance, coating durability, bonding method and touch tuning can all change the final result.
| Objet | Parameter to Confirm | What It Affects | Buyer Should Ask |
|---|---|---|---|
| Verre AG | Haze, gloss, etched or coated process | Glare control, image sharpness, text clarity, durability | What haze level is used? Is it etched AG or coated AG? Can we compare samples under real lighting? |
| Verre AF | Water contact angle, abrasion resistance, cleaning resistance | Fingerprint visibility, cleaning effort, coating life | What cleaning method can the AF coating support? How is the coating durability tested? |
| Verre AR | Reflectance, coating durability, handling requirement | Reflection control, clarity, contrast, production stability | What is the reflectance value? What cleaning method is allowed? |
| HC hard coating | Surface hardness, abrasion resistance | Résistance aux rayures | Is HC required for frequent touch, public use or daily cleaning? |
| Liaison optique | Bonding method, air gap, adhesive type | Outdoor contrast, internal reflection, readability | Should we compare bonded and non-bonded samples under strong light? |
| Touch structure | Cover glass thickness, controller IC, firmware tuning | Touch sensitivity, glove touch, wet touch, edge operation | Has the touch been tuned with the final cover glass thickness and front structure? |
For industrial projects, a specification sheet is only the starting point.
The sample should be checked under the real use condition: lighting, viewing angle, cleaning method, cover glass thickness, bonding structure and touch operation.
A glass treatment that looks good in an office may still fail in the final machine.
Before approving AG, AF or AR glass for mass production, test the sample under real or similar conditions.
Vérifier :
A sample that looks good in the office may still fail in the final machine.
A quick check can help you understand the glass surface, but final approval should still depend on specifications and sample testing.
AG glass usually has a matte or slightly frosted surface.
When you look at reflected objects on the glass, the reflection looks softer or more blurred than normal clear glass.
That blurred reflection is the point of AG. It helps reduce glare.
The trade-off is also clear: if the haze is too strong, the display image may lose sharpness.
AF glass may feel smoother and is usually easier to clean.
A simple water drop or oil mark test can show the difference. On AF glass, liquid or oil marks usually do not spread as easily, and fingerprints are easier to wipe away.
For production projects, do not rely only on touch feeling. Check coating durability, abrasion resistance and cleaning resistance.
AR glass usually has lower visible reflection than normal cover glass.
From certain angles, the reflection may look weaker or show a slight color tint depending on the coating. The image behind the glass usually looks clearer.
For industrial use, AR should be checked for more than visual effect. Surface durability and cleaning method matter.
If the main problem is glare from sunlight or strong indoor lighting, AG glass is usually the first option to check.
For direct sunlight, AG alone is not enough. The display should also be checked with LCD brightness, optical bonding, cover glass thickness and installation angle.
For outdoor and semi-outdoor projects, the surface treatment should be considered together with the full display structure, especially when the product is installed in public areas or exposed to changing light conditions.
Related product reference: outdoor touch display solutions.
If the screen is touched frequently, AF glass is more useful than many buyers expect.
For kiosks, POS terminals and self-service machines, fingerprints are not only a visual problem. They increase cleaning work and affect the user experience.
AF is valuable when users touch the screen all day. It is less valuable when the display is mainly viewed and rarely touched.
For outdoor or semi-outdoor displays, the decision should not start with “AG or AR”.
It should start with brightness, bonding method, front structure, waterproof design and sunlight direction.
In many outdoor industrial projects, AG + high brightness + optical bonding is more practical than simply adding AR glass.
Related technology reference: optical bonding solution.
For IK-rated touch screens, the cover glass thickness and touch tuning are more important than the coating name.
A thicker glass can improve impact resistance, but it may affect touch sensitivity if the controller and firmware are not adjusted properly.
For IK08, IK10 or other impact-resistant touch displays, confirm the glass thickness, bonding method, touch controller, firmware tuning, glove touch, wet touch and front sealing before mass production.
Related guide: IK10 touch screen guide.
For medical, laboratory or high-cleaning environments, AF or AR + AF may be considered.
But cleaning chemicals, abrasion resistance and coating durability should be confirmed before sample approval.
A coating that looks good on a sample can still fail under harsh daily cleaning.
AR can reduce surface reflection, but it cannot replace high brightness, optical bonding, cover glass design or the correct installation angle.
Higher haze can reduce glare, but it may also make small text, icons or QR codes look less sharp.
AF helps reduce fingerprints and oil marks. It is not the same as hard coating. If scratch resistance is required, check HC hard coating or glass hardness separately.
For outdoor displays, thick cover glass, IK-rated touch screens, glove touch or wet touch applications, coating is only one part of the solution.
Optical bonding and touch controller tuning may decide the final result.
In real projects, “we need AG glass” or “we need AR glass” is not enough for a reliable quotation.
The coating choice should be made together with the display structure, installation environment and maintenance condition.
From a procurement perspective, AG is usually the most practical starting point for industrial and outdoor touch displays. AF should be added when the screen is touched frequently or cleaned often. AR should be selected only when the project needs lower reflection, better clarity and can accept higher coating cost and durability control.
For public outdoor equipment such as EV chargers and kiosks, etched AG is often safer than coated AG when long-term abrasion, cleaning and outdoor exposure are concerns. For indoor medical panels or premium control panels, AR + AF may be more suitable if clarity and cleaning are both important.
Before recommending AG, AF or AR, Eagle Touch usually needs to confirm:
Based on the real installation environment, Eagle Touch can recommend whether your display should use AG, AF, AR, etched AG, optical bonding, high-brightness LCD or touch controller tuning before sample production.
The goal is not to add the most expensive coating. The goal is to make the display readable, touchable, durable and cost-effective in the final machine.
Related solutions: industrial touch screen monitors, liaison optique, outdoor touch displays, et IK10 touch screen guide.
AG glass reduces glare. AF glass reduces fingerprints and oil marks. AR glass reduces surface reflection and improves image clarity.
In simple terms, AG is for strong light, AF is for cleaning and touch marks, and AR is for reflection control and clearer image quality.
Non.
AG and AR solve different problems.
AG reduces glare by diffusing reflected light. AR reduces surface reflection and improves clarity.
For outdoor industrial displays, AG is often practical, but AR may be useful when higher clarity is required. The better choice depends on the environment.
Non.
AF glass does not make fingerprints disappear completely. It reduces fingerprint and oil adhesion, so the surface looks cleaner and is easier to wipe.
For public touch screens and high-frequency touch applications, AF can reduce daily maintenance work.
Yes.
AG + AF is common for industrial touch displays, kiosks, POS terminals and public self-service machines.
AG helps reduce glare. AF helps reduce fingerprints and cleaning marks.
Pas toujours.
Outdoor readability depends on brightness, optical bonding, cover glass structure, reflection, installation angle and sunlight direction.
AR can help reduce reflection, but it should not replace high brightness or optical bonding under strong sunlight.
The surface treatment itself usually does not decide touch performance.
Cover glass thickness, bonding method, air gap, controller IC, firmware tuning and grounding matter more, especially for thick glass, IK-rated, waterproof, glove touch or wet touch applications.
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Faites-nous part de votre taille, de votre luminosité, de votre type de contact, de votre interface, de votre méthode de montage, de votre environnement et de votre quantité cible - les projets en phase initiale sont les bienvenus.