DNP's Technologies for Next-Gen AR Glasses/VR Headset

• Expected performance
• DNP’s five technology areas
• Optics
• Display
• Sensing
• Communications
• Thermal management

Our core technologies for AR glasses development help manufacturers realize cutting-edge AR glasses that are lightweight, high-performing, and visually immersive. Similarly, our efforts in VR headset development incorporate advanced VR headset technology to enhance user experience and performance.

For AR glasses and VR headset to deliver truly immersive and realistic experiences, they require higher PPI, increased brightness, wider FoV, and advanced cooling systems. High-speed SoCs integrated with AI enhance user experience with low latency and efficiency.

DNP's technologies ensure superior performance and address the following needs:
- Optics
- Display
- Sensing
- Communications
- Thermal management

DNP's optics technologies are pivotal in advancing AR glasses and VR headset. They contribute, for example, to reduce laser light reflection and optimize incident angles to mitigate distortion. These innovations also deliver a wider FoV, higher brightness, lightweight, thin, and reduced chromatic aberration. DNP ensures sharper, more accurate visual experiences, providing a superior optical performance.

In OLED displays, contrast reduction arises from the reflection of external light, like sunlight, onto the electrodes. A circular polarizer, combining a liner polarizer and retardation film, mitigates this external light reflection.

Features:
- Thin film
- Flexibility

DNP has been developing a surface relief grating waveguide, using nanoimprint technology. Leveraging our expertise in photomask manufacturing, DNP can provide master molds with multi-steps or any angle patterns. With collaboration partners, we are pursuing the mass production of high precision waveguides for AR glasses by taking advantage of the “hard to hard” imprinting process.

Features:
- One-stop shop solution (master mold making ~wafer delivery)

LC-DOE is a thin film-like optical element that can ​diffract light. Per the​ direction of polarized incident light, it is expected to work as polarized diffraction lens.

Features:
​- Thin / flexible​
- Flexibility in aspheric phase design​
- Broadband wavelength types
- Made in roll-to-roll process

Expected to be used in XR devices and cameras, DNP's polymer lenses offer low birefringence and high glass transition temperature, mitigating light leakage and image focus distortion.

Features:
- Low birefringence
- Low retardation
- Low photoelastic coefficient

DNP has been developing formable functional films for a variety of different 3D-shaped applications, utilizing DNP's optical film experties.

Features:
- 3D molding
- Wet coating
- Roll-to-roll process

In display technology, DNP's viewing angle control film, designed for LCD backlight systems, prevents reflection on screens and narrows or expands the field of view along with the purpose such as privacy protection or better off-axis visibility. Our display technologies ensure superior visual clarity and performance, delivering an enhanced immersive experience for users.

Viewing angle control film prevents the reflection on screen integrated with LCD backlight systems. Or it can be designed to narrow the field of view for securing privacy.

Features:
- Reflection prevention
- Visibility improvement
- Scratch resistance

DNP's sensing technologies enhance accuracy and improve precision, ensuring highly reliable performance. With low latency, these innovations provide real-time responsiveness, which greatly improves operability. Additionally, the efficiency of these technologies, achieved through energy-saving designs, not only reduces power consumption but also supports sustainable practices.

The NIR-AR film, which can be shaped and processed with ease, contributes to improved transmittance by reducing the reflection of laser light. The angle of incidence from the laser can be optimized to minimize distortion caused by refraction.

Features:
- Increasing transmittance in 905nm
- Peak wavelength (ex. 905nm, 1550nm, etc.) can be tuned

A new type of DOE in which the functions of a collimator and DOE are integrated using DNP's optical design, master mold fabrication, and nanoimprinting capabilities.

Features:
- Simplified module configuration
- No need for alignment between collimator lens and DOE
- High diffractive optical performance and functions

A light guide with multiple radiation points is placed on the frame or lens. The number of the LEDs can be reduced when compared to a general eye tracking system. The assembly process is also expected to be simplified.

Features:
- Reduction of LEDs
- Simpler assembly process
- Device miniaturization

DNP is revolutionizing communication technology with solutions which enable high-speed data transmission, support large capacities, and facilitate simultaneous connections to multiple locations. Designed for space and power efficiency, DNP's communication technology enhance connectivity in AR and VR environments.

It is a fine mesh film with high transparency and conductivity. Invisible fine metal wiring on transparent film enables antenna functionalities without compromising the design.​

Features:
- Total transparency >88%
- Sheet resistance 1-2Ω/sq

DNP's thermal management technologies are crucial for maintaining the performance and longevity. It brings efficient cooling, reduces GPU load, and saves space while ensuring high SoC performance. DNP's solutions provide robust, space-saving, and efficient thermal management, essential for the sophisticated demands of modern AR and VR devices.

This is a component from the etching technology, for thermal management purpose. DNP original has vapor flow and liquid flow path designed in parallel, which enables heat spread out efficiently.

Features:
- Ultra thin 0.2mm
- High heat resistance (150℃)
- Heat transport/directional
- Bendable

In May 2024, we exhibited at SID Display Week 2024, one of the world's largest exhibitions in the display industry held in San Jose, CA. This year, we mainly showcased products and technologies that are related to AR glasses and VR headset.