Custom 1.1mm Smoked Grey Chemically Strengthened Display Cover Glass Panels
1. Product Overview & Key Engineering Highlights
Chenshi Tech specializes in the custom manufacturing of high-precision display cover glass panels designed specifically for flat-panel electronic screens, touch monitor assemblies, and smart user interfaces. Engineered with a calibrated smoked grey neutral density formulation, our chemically strengthened display cover glass enhances perceived contrast ratios for OLED, Micro-LED, and TFT-LCD screens while delivering a flawless “dead-front” solid-black appearance when displays are powered off.
Complementing our chemically strengthened etched AG glass panels and custom tempered cover glass, this specialty display cover glass is optimized for direct optical bonding (OCA/LOCA), thin-profile electronic integration, and uniform spectral attenuation without color shifting.
2. Technical Specifications Table
| Parameter | Technical Details & Standard Options |
| Product Name | Custom Display Cover Glass / Tempered Glass Cover Panel |
| Standard Thicknesses | 1.1 mm / 2.0 mm (Custom 0.55mm, 0.7mm, 1.8mm, 3.0mm, 4.0mm available) |
| Raw Material Base | Ultra-Clear Float Glass (Low Iron) / High Aluminum Glass / Soda-Lime Glass |
| Dimensional Tolerance | ± 0.05 mm (High-Precision CNC Milling & Laser Cutting) |
| Optical Transmittance | >= 91.5% (Bare Ultra-Clear Glass) / >= 95% – 98% (with AR Coating) |
| Strengthening Process | Chemical Ion-Exchange Tempering (CS >= 450 MPa, DOL >= 8 um) / Thermal Tempering |
| Surface Hardness | 7H – 9H (Pencil Hardness / Mohs 6–7) |
| Silk Screen Printing | High-Temp Ceramic Ink / Organic Ink; Black Mask, Dead-Front, Logo, IR Window |
| Adhesive Backing | Die-Cut 3M 467MP, 3M 300LSE, 3M 9495MP, OCA Optical Adhesive, Custom Foam Gasket |
| Edge & Corner Finishing | 2.5D C-edge, R-edge, Flat Polished Edge, Beveled Edge, Stepped/Rabbeted Edge |
| Functional Coatings | Optional: AF (Anti-Fingerprint), AR (Anti-Reflective), AG (Anti-Glare) |
| Impact Standards | Compliant with Ball Drop Test (64g / 130g steel ball at 40–100cm), IK06 to IK08 |
| Operating Temperature | -20°C to +80°C (Extended industrial temperature range available) |
3. Optical and Mechanical Advantages for Touch Displays
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True Dead-Front Hidden Screen Integration: When electronic displays are turned off, internal components, bezel seams, and sensor apertures can create visual clutter. Our smoked grey display cover glass conceals inactive screen boundaries completely, illuminating with high contrast and sharp legibility the instant backlights are powered on.
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Distortion-Free Spectral Attenuation: Standard tinted plastic sheets often induce uneven color absorption, resulting in greenish or brownish tint shifts. Our inorganic glass substrate maintains neutral optical density across all visible wavelengths (380 nm to 780 nm), ensuring precise chromatic fidelity and accurate color rendering for graphic displays.
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Enhanced Structural Rigidity via Chemical Strengthening: Physical thermal tempering on 1.1 mm glass causes optical distortion and roller wave warpage. By utilizing chemical molten salt ion exchange, our display cover glass achieves exceptional impact resistance, deflection toughness, and zero optical birefringence, making it ideal for thin capacitive touch sensors.
4. Custom CNC Machining and Surface Coating Capabilities
Chenshi Tech provides complete in-house secondary processing to deliver ready-to-laminate display cover glass directly to module assembly lines:
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Precision CNC Geometry: Custom rectangular panels, contoured shapes, curved corners, 2.5D pencil polished edges, and stepped bonding ledges.
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Laser and Ultrasonic Apertures: Ultra-clean speaker slots, front-facing camera pinholes, ambient light sensor ports, and capacitive home key cutouts.
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Ceramic Frit Screen Printing: High-opacity border framing (OD greater than 4.5), dead-front indicator icons, semi-transparent IR windows, and corporate branding inks cured into the glass surface.
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Optical Surface Thin Films:
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Anti-Reflective (AR) Sputtering: Vacuum deposition decreasing front reflection to under 0.5% and maximizing display luminance.
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Anti-Fingerprint (AF) Oleophobic Layer: Hydrophobic coating providing a water droplet contact angle over 115 degrees, repelling sweat, skin grease, and touch smudges.
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5. Target Application Sectors
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Smart Home and Luxury Appliances: Coffee machine touchscreens, smart oven interactive displays, thermostat controllers, and smart refrigerator panels.
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Medical Diagnostic Monitors: Handheld vital signs monitors, ultrasound console touch displays, and laboratory analyzers requiring chemical disinfectant resistance.
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Automotive Cockpit Panels: Center stack consoles, digital instrument clusters, climate control interfaces, and passenger infotainment screens.
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Marine and Industrial Terminals: Marine chartplotters, CNC machine interface monitors, outdoor self-service payment terminals, and handheld test instruments.
6. Frequently Asked Questions (FAQ)
Q: How does this display cover glass differ from standard tempered cover glass?
A: While standard tempered glass focuses on basic physical protection and general sight windows, this display cover glass is specifically engineered for electronic display modules. It features tighter thickness tolerances (plus or minus 0.03 mm), optical-grade surface cosmetics (zero bubble defects), neutral density light absorption for dead-front effects, and compatibility with optical bonding adhesives.
Q: Is 1.1mm display cover glass suitable for direct optical bonding (OCA or LOCA)?
A: Yes. Our 1.1mm chemically strengthened glass offers excellent surface flatness without thermal roller wave distortions, ensuring uniform adhesive wet-out and bubble-free lamination with OLED, TFT, and capacitive touch sensor panels.
Q: What visible light transmittance should I choose for an OLED dead-front panel?
A: For high-brightness OLED displays where complete bezel concealment is desired, a transmittance of 20% to 30% yields the best all-black cosmetic look. For lower-brightness LCD screens, transmittances between 40% and 60% ensure optimal energy efficiency and vivid picture display.
Q: Can the printed black border withstand harsh environmental exposure?
A: Yes. We use high-temperature ceramic frit inks baked directly into the glass matrix, providing resistance to UV degradation, humidity, thermal cycling, and continuous rubbing with alcohol or industrial cleaning agents.
