Breakthrough in Optical Waveguide Calibration for AR Displays
On April 19, 2024, Jade Bird Display (JBD) launched the AR Optical Waveguide Image Quality Calibration Device, known as ARTC. This device represents the first viable solution to address non-uniformity issues in diffractive optical waveguide displays. ARTCs mark a significant breakthrough in display quality, paving the way for superior visual experiences and broader consumer-grade applications for AR optical waveguides.
The Need for Optical Waveguide Calibration in AR Glasses
The MicroLED + diffractive optical waveguide solution has become the industry standard for consumer-grade AR glasses due to its compact size, high brightness, low power consumption, lightweight nature, and high transparency. However, manufacturing limitations in diffractive optical waveguides often result in brightness unevenness and color distortion, with considerable variability between waveguide panels. These issues prevent these products from meeting consumer expectations for high-quality AR displays, limiting the adoption of waveguide technology.

How ARTCs Improves Optical Waveguide Display Quality
JBD’s ARTCs offers a comprehensive solution to these optical waveguide quality issues. The system comprises three components: the ARTCs Optical Waveguide Calibration Device, a proprietary calibration algorithm, and on-engine computing. Together, these elements eliminate display unevenness and variability in practical applications, greatly enhancing the visual experience of optical waveguides.
Enhancing Image Quality with ARTCs
Testing has shown that ARTCs can significantly optimize the global brightness uniformity of diffractive optical waveguides from less than 40% to more than 80%, and reduce the color difference (ΔE) from over 0.1 to 0.02. This dramatically improves issues like color distortion and graininess, enhancing overall image uniformity. Additionally, ARTCs supports real-time image correction at the hardware IC layer using Demura technology, enabling comprehensive uniformity compensation and image quality optimization for both MicroLED microdisplays and optical waveguides with a single calibration.

Key Features of the ARTCs Calibration Device
A critical component of ARTCs is JBD’s specialized automated optical waveguide image quality calibration equipment. This device performs pixel-level color and brightness measurements, extracts the waveguide’s optical properties, and calculates the necessary calibration parameters. Coupled with proprietary algorithms related to human visual perception, image computation, and display processing, the system rapidly optimizes and calibrates the image quality of AR glasses, providing a one-stop solution for AR terminal brands. The ARTCs-WG model is already integrated into production lines and is set for mass production and delivery.
Pioneering Innovation in Optical Waveguide Technology
This innovation represents a major leap in overcoming the limitations of diffractive optical waveguide manufacturing. It substantially reduces display non-uniformity and greatly enhances the visual experience of consumer-grade AR products. By filling a critical gap in the market, ARTCs sets a new standard in optical waveguide display quality.
As a crucial step in JBD’s efforts in the near-eye display sector, ARTCs also opens new opportunities for collaboration across the AR industry chain. Looking ahead, JBD remains committed to advancing near-eye display solutions, pushing AR glasses towards achieving superior image quality, lightweight design, and all-weather functionality.
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