The prototype of the world’s first AR contact lens Mojo Lens is here!
Smart things April 7 news, American start-up company Mojo Vision recently released a prototype of its own AR contact lens Mojo Lens on its official website.
According to the official website information, this AR contact lens has three highlights:The world’s smallest and most pixel-dense Micro LED display, low-latency communication technology for AR devices(Low Latency Communication), andUltra-precise eye tracking system.
▲ Prototype of AR contact lens Mojo Lens
In addition to hardware development, Mojo Vision’s software division also delivers the underlying operating system code and user experience (UX) components so that other partners can better develop corresponding products.
According to information on the official website, Mojo is already working with some sports brands to develop next-generation AR contact lenses. “Our goal is to allow users to be more focused during training, and to see their own or others’ training data in real time through AR devices without holding various devices, so as to maximize their ability.”
▲ The future scene depicted by Mojo Vision
1. What does the new generation of AR contact lenses look like?
American technology media CNET reporter Scott Stein (Scott Stein) personally experienced the prototype of this AR contact lens.
Now the prototype of Mojo Lens is not the final product, the power system inside the device has not been fully activated,It also needs to be powered by an external means, so it is a safety hazard to wear directly.
Scott Stein can only feel the display by holding a special small stand to power the AR contact lens and holding the AR contact lens close to his eyeball.
▲ Prototype of AR contact lens Mojo Lens
According to Scott Stein’s experience, users can not only see various information interfaces intuitively, but also find their destination based on navigation information.
And all this information will be presented on a hexagonal micro-display, which is also one of the highlights of this AR contact lens prototype.
With a diameter of less than 0.5 mm, this Micro LED display has 14,000 pixels per inch and a pixel pitch of 1.8 microns, making it the smallest and densest screen in the world.
▲ Prototype of AR contact lens Mojo Lens
The screen is also equipped with MojoVision’s custom optical chip, which can display text, pictures and high-definition video on the wearer’s retina.
“I can open an app if I keep my eyes on the icon for a few seconds.” Scott Stein shared his experience and said: “If you look outside the page, You can close the app or open another app.”
But he also mentioned that figuring out how to control the user interface with eye-tracking technology is not easy. “Sometimes, my operations don’t have the desired effect.”
2. Added eye tracking function to monitor eye data in real time
Mojo Lens prototype with custom accelerometer, gyroscope and magnetometerwhich enables continuous eye tracking, allowing users to see clear AR images as their eyes move.
▲ The future scene depicted by Mojo Vision
Unlike the optical eye tracking technology used in most VR/AR devices, AR contact lenses sense eye movement through sensors attached directly to the surface of the eye. Therefore, combined with the proprietary motion sensing algorithm, the eye tracking system of Mojo Lens is an order of magnitude more accurate than the optical eye tracking system of AR/VR devices.
At the same time, the AR contact lens Mojo Lens will control the display effect of information through Invisible Computing technology, allowing the information on the device to be presented only when needed. “With Mojo Lens’ ultra-precise eye-tracking technology, you can now access and interact with AR content just by looking at it.” Mojo Vision believes this will provide a good foundation for the user experience.
3. Mojo creates a proprietary communication protocol to achieve ultra-low latency data transmission
In fact, the AR contact lens we are talking about is not an independent hardware device, but just a display screen, which also needs to be connected to a computing unit. “It’s possible that the computing unit is a neck-worn device. But I haven’t seen anything about it,” says Scott Stein.
As for why not the mobile phone as the computing unit of the AR contact lens?
“Given the data transfer capabilities of AR contact lenses, the device needs to be close to the head,” explained Steve Sinclair, senior vice president of product at Mojo Vision. He believes that this computing unit may be built into helmets or even glasses in the future, but now the neck Wearables are the most suitable option.
▲ Mojo Vision product roadmap
With the device, in what way will the AR contact lens be connected to the computing unit?
Steve Sinclair believes that the Bluetooth Low Energy (Bluetooth Low Energy) connection method consumes more power. “We need to find new solutions ourselves.”
Mojo Vision custom designed an ASIC for Mojo Lens that Radio communication module containing Arm Cortex-M0 core and 5GHz.
The Arm Cortex-M0 core is able to transmit data from the AR contact lens transmission sensor to the neck-worn computing unit and transmit some AR content to the Micro LED display. At the same time, thanks to Mojo’s proprietary communication protocol, the radio communication module is able to communicate with the ultra-low latency required by AR applications.
The neck-mounted computing unit is involved in running the application, analyzing the eye-tracking data, and updating the image position within 10 milliseconds.
Despite finding a new solution, Sinclair said the company still faces some new challenges. For example, how to ensure that the wireless connection can receive or not cause interference, Mojo Vision hopes to achieve long-distance connection in the future.
4. The Gospel of the Myopia Party?Not only correct vision, but also take pictures
Mojo Vision hopes that the lens can use AR contact lenses as an auxiliary vision device to help some visually impaired people.
“We can imagine a user with high myopia wearing an AR contact lens with a high-resolution camera. When they look at something, the AR contact lens can take a very high-definition picture, and the user can then see the AR contact lens The presented user interface compensates for the lack of vision by zooming in and out of the photo,” says Steve Sinclair.
At present, Mojo Vision is going through a more important process, that is, to get Mojo Lens to be approved by the US Food and Drug Administration as a contact lens, and to support the development of prescription lenses. In the future, Mojo Lens hopes to protect chip hardware devices with artificial iris.
Conclusion: AR Contact Lenses Are Coming
From the AR contact lens prototype released by Mojo Vision, people have achieved new breakthroughs in display, data transmission and eye tracking technology.
But this is still far from a real AR contact lens that can be worn for a long time. For example, how to solve the problem of battery life and how to convince people to accept such a product that is full of multiple electronic components and put it in the eye.
From this point of view, although Mojo Vision, the world’s first AR contact lens product research and development company, has been on the AR contact lens track for nearly six years, the current AR contact lens is still in a very early stage. Whether AR contact lenses can become real mobile devices and whether Mojo Vision can realize its “future dream” remains to be seen.
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