Optical Materials for AR Waveguides and Extended Reality Displays

Experience the forefront of optical innovation for Extended Reality (XR) devices with Pixelligent’s breakthrough PixNIL® high-refractive-index (RI) formulations.

Reimagining How We Communicate and Entertain

With the Extended Reality (XR) market poised for remarkable growth, leading device manufacturers are racing to create immersive visual experiences that captivate users. Pixelligent’s PixNIL® formulations position your products at the forefront of XR innovation—delivering stunning clarity, expanded field-of-view, and unmatched brightness to shape the future of consumer engagement.

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Understanding Extended Reality

Extended reality (XR) is an umbrella term that includes immersive technologies such as augmented reality (AR) and mixed reality (MR). While each experience uses digital content differently, all rely on advanced optical systems and materials to deliver high-performance visual experiences.

Augmented Reality
Augmented Reality

Augmented Reality overlays digital images or information onto the real world, allowing users to see both physical surroundings and virtual content at the same time. AR systems often rely on waveguides, displays, and optical materials that can precisely control light in lightweight, transparent devices.

Mixed Reality
Mixed Reality

Mixed Reality blends digital content with the physical world in a more interactive way, allowing virtual objects to appear anchored in and responsive to real environments. MR devices require highly sophisticated optics and sensor systems to support accurate image placement, depth perception, and real-time interaction.

Enabling a Fully Immersive XR Experience

Pixelligent’s high-refractive-index (RI) PixNIL® formulations, with RIs ranging from 1.7 to 2.0, enable manufacturers to achieve the widest field-of-view (FoV) waveguides and the most robust mechanical properties available in the XR market. In XR devices, an expanded FoV allows users to experience a larger augmented environment that blends seamlessly with the real world, creating a more captivating and immersive experience.

Waveguide Optics for Augmented Reality

Waveguide optics are central to modern augmented reality displays, guiding light through transparent substrates to deliver images directly to the user’s eye. Pixelligent’s high-refractive-index nanocrystal materials improve efficiency, brightness, and device miniaturization.

Enabling Waveguides with High RI Materials
High RI delivers the widest FoV for optical waveguides
The clearest formulations deliver the best image clarity
The only UV-stable high-RI material on the market
PixNIL® formulations are qualified by industry-leading NIL equipment manufacturers
Widest FoV, most UV-Stable, highest image quality, and best overall optical properties
High-RI formulations deliver greater quality for full color waveguides
Enables Wider FoV
Improves Image Clarity
Greater UV stability
Seamless Integration
Fully Immersive
Enriched Color Quality
Enables Wider FoV
High RI delivers the widest FoV for optical waveguides
Improves Image Clarity
The clearest formulations deliver the best image clarity
Greater UV stability
The only UV-stable high-RI material on the market
Seamless Integration
PixNIL® formulations are qualified by industry-leading NIL equipment manufacturers
Fully Immersive
Widest FoV, most UV-Stable, highest image quality, and best overall optical properties
Enriched Color Quality
High-RI formulations deliver greater quality for full color waveguides

Benefits Beyond What You Can See

Enhance your XR device applications with Pixelligent formulations that deliver exceptional clarity, an expanded field-of-view (FoV), and superior optical performance. Our products empower more immersive experiences and set the standard for next-generation XR innovation.

High-RI Materials that Enhance XR Device Capabilities

Explore our PixCor®, PixNIL®, and PixClear® high-refractive-index (RI) product line, designed specifically for Extended Reality (XR).

PixCor® Products
PixNIL® Formulations
PixClear® Titania Products
PixClear® Zirconia Products
Up to 1.8RI
PixNIL® SCS3-2S
  • Film Thickness Range: 0.1-1.5 μm
  • Refractive index: 1.8
  • Haze: <0.1%
  • Transparency: >90%
  • Nanocrystal: 20nm particle size
  • Solvent Type: PGMEA
  • Dispensing Method: Spin Coat / Slot Die
  • Curing Method: UV
PixNIL® SCS3-2S
PixNIL® ST18
PixNIL® SZ7
Up to 1.8RI
PixNIL® SCS3-2S
  • Film Thickness Range: 0.1-1.5 μm
  • Refractive index: 1.8
  • Haze: <0.1%
  • Transparency: >90%
  • Nanocrystal: 20nm particle size
  • Solvent Type: PGMEA
  • Dispensing Method: Spin Coat / Slot Die
  • Curing Method: UV
Up to 1.92RI
PixNIL® ST18
  • Nanocrystal: PixClear Titania 20nm
  • Solvent Type: PGMEA
  • Dispensing Method: Spin Coat
  • Refractive index: 1.92
  • Transparency: >99%
  • Film Thickness Range: 0.1-1.5 µm
  • Curing Method: UV
  • Haze: <0.05%
Up to 1.7RI
PixNIL® SZ7
  • Nanocrystal: PixClear Zirconia 10nm
  • Solvent Type: PGMEA
  • Dispensing Method: Spin Coat / Slot Die
  • Refractive index: 1.72
  • Transparency: >95%
  • Film Thickness Range: 0.1-1.5 µm
  • Curing Method: UV
  • Haze: <0.02%
10nm Titania (PTPG)
20nm Titania (LTPF)
10 nm, capped
10nm Titania (PTPG)
  • Nanocrystal Size: 10 nm, capped
  • Capping: Non-functional
  • Nanocrystal Base: Titania
  • Compatibility: Compatible with polar solvents
  • Custom formulations available upon request
20 nm, capped
20nm Titania (LTPF)
  • Nanocrystal Size: 20 nm, capped
  • Capping: Functional
  • Nanocrystal Base: Titania
  • Compatibility: Compatible with polar solvents
  • Larger nanocrystal provides the highest refractive index available on the market
  • Custom formulations available upon request
10nm Zirconia in PGMEA
10nm Zirconia in ETA
10 nm, capped
10nm Zirconia in PGMEA
  • Solvent Type: PGMEA
  • Nanocrystal Size: 10 nm, capped
  • Capping: Functional or non-functional
  • Nanocrystal Base: Zirconia
10 nm, capped
10nm Zirconia in ETA
  • Solvent Type: ETA
  • Nanocrystal Size: 10 nm, capped
  • Capping: Functional or non-functional
  • Nanocrystal Base: Zirconia

XR Application Resources

Frequently Asked Questions

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What is an optical waveguide?

An optical waveguide is a structure that directs light along a defined path using differences in refractive index between materials. By confining light within a thin layer or channel, waveguides allow optical signals to travel efficiently with minimal loss.

How are waveguides used in augmented reality (AR) displays?

Waveguides are a key optical component in many augmented reality devices. They guide light from a small projector through a thin transparent substrate and direct it toward the user’s eye. This enables AR systems to deliver digital images while keeping the display lightweight, compact, and see-through.

Why are high-refractive-index materials important for waveguides?

High-refractive-index materials help improve how efficiently light is guided and controlled within a waveguide. They can enhance brightness, reduce optical loss, and enable more compact optical designs. These properties are especially important for next-generation applications such as AR displays, advanced sensors, and photonic devices.

See How We Can Enable Your Next-Gen Extended Reality Applications

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