Shulou(Shulou.com)11/24 Report--

On September 6, Shenzhen, China, perceptual experience leader AAC AAC Technology participated in China Optical Expo (CIOE). At the fourth China AR Technology Application Summit Forum in 2023, Tao Hongyan, Vice President of AAC Technology Marketing Department and General Manager of XR Business, delivered a keynote speech on "process Route Prospect of diffractive Optical waveguides". AAC and Dispelix provided the industry with a complete etching grating scheme from design to production. And support customized design and development of optical waveguides according to customer requirements, and AAC's R & D engineering team also provides full-link processing and testing solutions for customized products. "AAC always insists on innovation-driven development and uses technology to help users perceive a good experience," Tao Hongyan said in a keynote speech. AAC has innovative XR solutions and service capabilities represented by full-link optical waveguide solutions, which flexibly meet the diversified needs of customers and help promote the development of the entire XR industry. "

Tao Hongyan, Vice President of AAC Technology Marketing and General Manager of XR Business, delivered a keynote speech.

AAC's single-layer color optical waveguide lenses have been publicly displayed this year, bringing users a more transparent, lighter and clearer wearing experience. It uses the leading process technology of nano-imprint + etching technology, combined with high refractive index materials, in the form of non-pure surface relief grating, to achieve higher light efficiency, stronger resolution, better color uniformity and other optical properties, the overall light efficiency exceeds 310nits / lm, and the light transmittance is as high as 90%. At the same time, the thickness and weight of the waveguide lens are reduced by more than 50%, and it is compatible with a variety of FOV from 30 °to 50 °. The product is jointly developed by AAC Technology and Dispelix, a manufacturer of optical waveguides. Through the balance between single-layer optical waveguide lens setting and large-angle high-definition, it meets the needs of users in multiple application scenarios and makes the wearing experience of thin and high-definition go hand in hand.

Single-layer color optical waveguide lens jointly developed by AAC and Dispelix

In addition to full-link optical waveguide solutions, AAC has always been an industry leader in the exploration and application of ultra-short focus optical folded optical path (Pancake) solutions, and has achieved a series of major breakthroughs in thinning, imaging quality, IPD automatic adjustment, diopter adjustment and so on. AAC 2P VR Pancake optical mechanical module standard has five major product advantages: large FOV, large Eye box, compatible IPD adjustment, diopter adjustment and high cost performance. The total length of the optical lens TTL is compressed to within the 19mm, which further makes the volume of the VR head lighter and thinner. With 2.56 inch Fast-LCD (2160 × 2160 pixels), FOV is 100 degrees, Eye-Box reaches 12mm, which keeps the visual experience stable and the best display range; it supports 0-700 °diopter adjustment, which is more friendly to myopic users and can be used without glasses.

In addition to 2P standard products, AAC Technology can also provide customers with 1-3P Pancake diversification, various sizes of Fast-LCD and Micro-OLED optical solutions, flexible to meet customer customized development services. The AAC 3P Pancake VR optical module has five advantages: lightweight, large field of view, ghost suppression, diopter adjustment and clear edge image quality, which can bring higher quality images and more comfortable experience. At present, 3P VR Pancake optical machine module has achieved mass production and has been successfully applied on a large scale in mainstream VR products.

AAC XR product exhibition area

In this exhibition, a variety of WLG array lenses, cylindrical lenses and prisms of AAC Technology Chen Rui Optics were unveiled, as well as star products such as high-specification lenses, transmission, high-pixel camera modules and other star products, which attracted wide attention in the industry. AAC's exclusive WLG technology not only provides lenses for mobile phone lenses, but also covers all glass lens areas. In the future, AAC WLG products will be extended to more applications, including AR / VR, lidar, vehicle, UAV, motion camera, so that immersive visual experience can have a real and clear experience.

Chen Rui Optical booth of AAC Technology

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