China’s JBD launches AR waveguide display test and correction
Chinese microLED display manufacturer Jade Bird Display Ltd. (Shanghai, China) has launched a piece of equipment for Augmented Reality waveguide Testing and Correction (ARTC).
JBD is not explicit about how the equipment works. The company states that it performs waveguide image quality measurement and then performs “projector-side computing.”
JBD states that the waveguide characterization is extracted and correction coefficients are calculated. As a system-level solution, the ARTC can correct non-uniformities in waveguide-displays originating from the waveguide, the microdisplay, and the projector in one shot.
From ARTC to better waveguided-AR smartglasses. Source: Jade Bird Display Ltd.
JBD describes the ARTC as a “major breakthrough” in improving diffractive waveguided AR glasses. Prior to the introduction of ARTC these waveguides introduced brightness and color non-uniformity/distortion.
The use if ARTC can increase global brightness uniformity from under 40 percent to over 80 percent, and decrease the color difference ΔE from more than 0.1 to 0.02. This eliminates such visual artefacts such as color distortion and graininess of the image, claims JBD.
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