Glass Coatings for Enhanced Performance & Functionality

Transform standard glass into a high-performance component. Our advanced coatings control light, manage heat, and add durable functionality for your specific application.

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Why do we coat glass?

（1）Glass in its standard form is a passive material. By applying specialized coatings, we transform it into a high-performance component active in managing light, heat, and energy. These thin-film layers are engineered to give glass new, precise properties.

（3）Furthermore, coatings are crucial for thermal management and modern functionality. “Hot mirror” coatings reflect infrared heat to protect sensitive components, and transparent conductive coatings enable touchscreens and smart windows. We also apply durable protective coatings that are anti-fogging, hydrophobic, or oleophobic to ensure clarity and easy cleaning in challenging environments.

（2）We coat glass to control light with extreme precision. Anti-reflective (AR) coatings maximize light transmission by eliminating glare, while metallic and multi-layer dielectric mirrors enhance reflectivity. Beamsplitters and filters, such as dichroic or bandpass types, can separate, combine, or selectively transmit specific wavelengths like RGB colors or infrared light.

（4）In essence, we coat glass to move beyond its inherent limitations, tailoring it to solve specific challenges in your application—from scientific instruments and consumer electronics to architectural glass and automotive systems.

BO-GLASS Custom Coating Solutions

At BO-GLASS, we engineer precision optical coatings tailored to your unique challenges. Partnering closely with you, we fuse cutting-edge photonics expertise, advanced thin-film technologies, and scalable manufacturing to deliver solutions that outperform industry standards. Whether enhancing optical clarity, UV/IR resistance, or durability, our coatings are precision-tuned for your application—from medical devices to automotive systems.

Thickness

Precision control:10nm-10um(±2%)

Thickness

Multi-layer stacking (up to 50 layers)

Adhesion

Plasma-enhanced adhesion:Class 5B

Adhesion

High-bond coatings for flexiblesubstrates

Optical Performance

Broadband AR: 99.5% avg.transmittance(400-1200nm)

Optical Performance

HR coatings:>99.9% reflectance

Chemical Resistance

1,000+ hours salt spray resistance

Chemical Resistance

pH 1-14 stability

Thermal Stability

Stable performance:-196°C(LN2)to +400°C

Thermal Stability

Zero thermal stress cracking

Hydrophobicity

Ultra-hydrophobic:150°+contact angle

Anti-Reflective (AR) Coatings

Anti-Reflective (AR) coatings are thin, dielectric layers applied to optical surfaces to maximize light transmission by minimizing reflected light. This significantly reduces distracting glare and energy loss while eliminating ghost images. Essential for multi-lens systems, AR coatings ensure brighter, clearer, and more efficient performance across a wide spectrum, from UV to IR.

Applications of Anti-Reflective (AR) Coatings
Imaging & Display Systems
(Utilizing Broadband Coatings and Visible (VIS) AR Coatings for cameras, microscopes, and high-end displays)
Laser & Optical Systems
(Employing Laserline & V-Coat Coatings to minimize reflection at specific laser wavelengths)
Durable Optics for Harsh Environments
(Using Damage Resistant Non-Glare Coatings for military, aerospace, and outdoor equipment)
Sensing & Scanning Technology
(Featuring Sensor & Scanner Coatings and Wide-Angle, LiDAR & Scanning Coatings for barcode readers and autonomous vehicles)
Infrared (IR) & Night Vision Systems
(Applying Infrared (IR) Coatings and Near Infrared (NIR) Coatings for thermal imaging and surveillance)

Mirrors & Metallic Coatings

These coatings create highly reflective and durable optical surfaces. Using thin metallic layers like aluminum, silver, or gold, often protected by dielectric coatings, they achieve maximum reflectance across specific wavelengths—from UV to far-IR. Essential for lasers, astronomy, and imaging systems, they ensure superior performance and longevity.

Types of Mirrors & Metallic Coatings
I. Dichroic Mirrors
Cold Mirrors: Reflects visible light, transmits IR for thermal management.
Hot Mirrors: Transmits visible light, reflects IR to protect sensors.
Dichroic Beamsplitters: Splits light by wavelength for imaging and laser systems.
Broadband Dielectric Mirrors: Ultra-high reflectance for lasers and spectroscopy.
II. Metallic Mirror Coatings
Protected Aluminum: Standard coating for visible/NIR applications.
Enhanced Aluminum: Higher reflectance for precision instruments.
Protected/Enhanced Silver: Maximum reflectance from visible to mid-IR.
Protected Gold: Optimal performance for IR applications.
III. Attenuation Coatings
Neutral Density Filters: Precisely controls light intensity.
Dark Mirrors: Absorbs stray light in optical systems.

Beamsplitting Coatings

Beamsplitting coatings are thin-film optical coatings designed to divide an incident light beam into specific transmitted and reflected portions. They function by reflecting a controlled percentage of light while transmitting the remainder, enabling applications like combining or sampling optical paths. These coatings can be implemented using metallic, dielectric, or hybrid designs, where the rejected light is either absorbed, reflected, or a combination of both, depending on the specific requirements.

1. Intensity Beamsplitters
Neutral Density (ND): Reduces light intensity without color shift.
Non-Polarizing (NPBS): Splits light at fixed ratios, polarization-independent.
2. Wavelength Beamsplitters
Dichroic: Separates light by wavelength for imaging and laser systems.
Hot/Cold Mirrors: Isolate visible light from IR/UV in projectors and thermal management.
3. Polarization Beamsplitters (PBS)
Polarizing Beamsplitters: Splits light by polarization state for laser and display applications

Transparent Conductive Coatings

Transparent Conductive Coatings are thin films that provide the unique combination of high optical transmission and electrical conductivity. Key materials include ITO, IMITO, and FTO. These coatings are essential for applications where both clear vision and electrical function are required, such as touchscreens, flat-panel displays, smart windows, and EMI shielding, enabling the integration of electronic features into transparent surfaces.

Transparent Conductive Coatings
ITO (Indium Tin Oxide) Coatings
Features: Excellent transparency, good conductivity, mature technology
Applications: Touch panels, flat panel displays, EMI shielding
IMITO (Indium Molybdenum Tin Oxide) Coatings
Features: Enhanced flexibility, improved conductivity
Applications: Flexible displays, wearable devices
FTO (Fluorine-doped Tin Oxide) Coatings
Features: High temperature stability, rough surface structure
Applications: Solar cells, heated windows, architectural glass
Metal Mesh Transparent Electrodes
Features: Ultra-high conductivity, customizable patterns
Applications: Large-format touch screens, OLED lighting
Silver Nanowire Coatings

Functional Surface Coatings

Functional Surface Coatings are specialized thin films engineered to alter the surface properties of a substrate without affecting its bulk characteristics. These coatings provide enhanced performance such as water/oil repellency (hydrophobic/oleophobic), anti-fogging, anti-static, or improved abrasion resistance. They are critical for increasing durability, ensuring cleanliness, and maintaining optimal functionality in applications ranging from consumer electronics and automotive glass to medical devices and optical lenses.

Functional Surface Coatings
Hydrophobic/Oleophobic Coatings
Application: Repels water, oils and fingerprints from displays, lenses and touchscreens
Anti-Fogging Coatings
Application: Prevents condensation on eyewear, camera windows and medical equipment
Anti-Static Coatings
Application: Prevents dust accumulation and protects sensitive electronic components
Anti-Scratch & Abrasion-Resistant Coatings
Application: Enhances durability of displays, optical lenses and automotive surfaces
Easy-to-Clean Coatings
Application: Facilitates cleaning of architectural glass and sanitary surfaces

Smart Responsive Coatings

Smart Responsive Coatings are advanced thin films that dynamically alter their optical properties, such as transmission or color, in response to external stimuli like electrical voltage (electrochromic) or light (photochromic). This intelligent functionality enables active control over light and heat, making them essential for energy-saving smart windows, adaptive optical systems, and glare reduction applications without the need for manual intervention.

Electrochromic Coatings
Application: Smart windows, rearview mirrors and displays with adjustable transparency
Photochromic Coatings
Application: Self-adjusting eyeglasses and optical lenses that darken in sunlight
Thermochromic Coatings
Application: Temperature indicators and smart packaging with color-changing properties
Gasochromic Coatings
Application: Hydrogen sensors and smart glass systems responsive to gas exposure

Our factory and our partner factories

BO-GLASS coordinates our core facility with a dedicated network of local specialists to deliver custom glass components. You benefit from our collective expertise while we manage all communication, quality control, and logistics for a seamless experience.

Inquiry and Confirmation

Receive and confirm the customer’s inquiry, ensuring accurate specifications and information.

Quotation and Sample Preparation

Prepare and send the quotation. Once confirmed by the customer, create the sample.

Sample Delivery and Feedback

Deliver the sample to the customer, gather feedback, and confirm the sample meets requirements.

Bulk Order Confirmation and Production

Once the sample is approved, confirm the bulk order, verify details, and start mass production.

Quality Inspection and Packaging

Conduct quality checks after production to ensure standards are met and packaged as required.

Shipping and Delivery

Our applications of glass processing technology

We are committed to providing our customers with one-stop solutions, from prototype development to mass production, by addressing the entire value chain of materials science, engineering design, and precision manufacturing. Our goal is to transform the ultimate performance of glass materials into a core competitive advantage for your products.

Precision Medical Prototypes & Labware Manufacturing

We provide high-quality custom medical prototypes and labware with on-demand production at competitive prices to accelerate your launch.

Glass lamp shade for outdoor lighting

Custom heat-resistant glass for outdoor lighting. From precise prototypes to full-scale production, we can assist you every step of the way.

Electronices&Home appliance instruments products Prototyping

Quality manufacturing for electronics & appliances, from prototypes to production. On-demand to accelerate launch & reduce risks.

Aerospace Glass

Accelerate your aerospace projects with custom glass components, from precision prototypes to volume production.

What are the coating processes?

Coating technology covers a variety of precision film-forming methods, among which vacuum coating is to use thermal evaporation or magnetron sputtering to deposit materials in an atomic state in a straight line under a vacuum environment to achieve optical-grade film layers, which are widely used in mobile phone anti-fingerprint coatings, hard tool coatings, etc.; chemical vapor deposition (CVD) uses high-temperature gaseous reactions to generate dense films on the surface of the substrate, which can be used to prepare silicon carbide protective layers or diamond thermal conductive films; the sol-gel method forms a nanoporous structure through precursor hydrolysis, and the low-temperature (500°C) process is suitable for anti-reflective coatings for flexible sensors; cathode magnetron sputtering uses magnetic fields to confine plasma to sputter high-melting-point targets at a rate of 0.1-5nm/s, which is used to prepare photovoltaic TCO films and flexible display transparent electrodes, and has both low-temperature deposition and three-dimensional conformal coverage capabilities. Each process is equipped with online film thickness monitoring (accuracy ±0.1nm) and surface analysis systems to meet the cross-scale coating needs from microelectronics to energy equipment.

Vacuum coating method

In a vacuum environment, the evaporation material moves linearly in any direction in the state of atoms or molecules under the action of the evaporation source.

Chemical Vapor Deposition

A process where gaseous reactants form thin solid films on a substrate through chemical reactions at high temperatures.

Sol-gel method

The sol-gel method produces oxide films or particles by hydrolyzing precursors, forming a gel, and thermally processing for desired properties.

Cathode magnetron sputtering

Cathode magnetron sputtering uses magnetic and electric fields in a vacuum to eject target material, forming thin, high-quality films on substrates.

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Related knowledge

We have an extensive range of online resources developed to help worker improve their capabilities.

Related knowledge pages

(FAQ) –

Optical Coatings

What is the primary purpose of an Anti-Reflective (AR) Coating?

AR coatings are designed to minimize light reflection from optical surfaces. This significantly increases light transmission, reduces distracting glare, and eliminates ghost images, resulting in brighter, clearer, and more efficient optical systems.

What's the difference between a Metallic Mirror and a Dielectric Mirror?

Metallic mirrors (e.g., aluminum, silver) use a thin metal layer to provide broad-spectrum reflectance. Dielectric mirrors use alternating layers of non-absorbing materials to achieve extremely high reflectance (>99.9%) within a specific, designed wavelength range, making them ideal for lasers.

What is a Dichroic Filter or Beamsplitter?

A dichroic coating works by interference to selectively reflect certain wavelengths of light while transmitting others. They are essential for precisely separating light by color, such as in fluorescence microscopes or for combining laser beams.

My application needs to control heat. What coating should I consider?

A Hot Mirror is the ideal choice. It is designed to transmit visible light while reflecting infrared (IR) radiation. This protects sensitive components (like camera sensors or projector optics) from heat damage and unwanted thermal effects.

What are Transparent Conductive Coatings used for?

These coatings, such as ITO, provide the unique combination of electrical conductivity and optical transparency. They are the fundamental enabling technology for touchscreens, flat panel displays, smart windows, and transparent heaters.

What are Functional Surface Coatings?

This category includes coatings that modify the surface properties of a substrate. Examples include Hydrophobic (water-repellent), Oleophobic (oil-repellent), and Anti-fog coatings, which enhance durability, ease of cleaning, and performance in challenging environments.

Our other manufacturing capabilities

We can provide you with a variety of glass processing techniques.

Glass Coatings for Enhanced Performance

Precision coatings upgrade glass for light, heat & durability control.

Ultrasonic Cleaning Service

Ultrasonic cavitation technology is used to thoroughly clean glass and precisely remove contaminants.

Physical Glass Tempering Services

Physical tempering enhances glass strength and creates safer, break-resistant panels for any application.

Silk Screened Glass service

BO-GLASS delivers custom silk-screened glass with precision printing and specialized inks, tailored for architecture and design projects.

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