We’re still a few months away from Apple announcing its 2019 iPhones, but rumors have already started for next year’s models, with the ever-reliable Apple analyst Ming-Chi Kuo claiming in his latest report that two of the 2020 iPhones will feature a rear time-of-flight (ToF) 3D depth sensor for better augmented reality features and portrait shots, viaMacRumors.
It’s not the first we’ve heard of Apple considering a ToF camera for its 2020 phones, either. Bloomberg reported a similar rumor back in January, and reports of a 3D camera system for the iPhone have existed since 2017. Other companies have beaten Apple to the punch here, with several phones on the market already featuring ToF cameras. But given the prevalence of Apple’s hardware and the impact it tends to have on the industry, it’s worth taking a look at what this camera technology is and how it works.
What is a ToF sensor, and how does it work?
Time-of-flight is a catch-all term for a type of technology that measures the time it takes for something (be it a laser, light, liquid, or gas particle) to travel a certain distance.
In the case of camera sensors, specifically, an infrared laser array is used to send out a laser pulse, which bounces off the objects in front of it and reflects back to the sensor. By calculating how long it takes that laser to travel to the object and back, you can calculate how far it is from the sensor (since the speed of light in a given medium is a constant). And by knowing how far all of the different objects in a room are, you can calculate a detailed 3D map of the room and all of the objects in it.
The technology is typically used in cameras for things like drones and self-driving cars (to prevent them from crashing into stuff), but recently, we’ve started seeing it pop up in phones as well.
How is it different from Face ID?
Face ID (and other similar systems) use an IR projector to pulse a grid of thousands of dots, which the phone then takes a 2D picture of and uses that to calculate the depth map.
Here’s how the iPhone X’s Face ID works
Time-of-flight sensors work differently: by using the time-of-flight data to calculate how long it takes the lasers to reach the object, it’s getting real-time, 3D depth data instead of a 2D map that is calculated to three dimensions.
That leads to several advantages: due to the laser-based system, it works for longer ranges than Apple’s grid-based system for Face ID, which only works for about 10 to 20 inches away from the phone. (If the subject is too far away, the dots for the grid are too spaced out to provide a useful resolution.) It also, in theory, allows for more accurate data than IR-grid systems. A good example is the LG G8, which uses a ToF sensor for its motion-sensing gestures. The ToF system allows for things like tracking and distinguishing each individual finger in 3D in real time to enable those gestures.
Why does Apple want it?
The rumors from both Kuo and Bloomberg are saying that Apple is looking to add the ToF sensor to the rear camera on 2020 iPhones, not to replace the existing IR system used for Face ID (which the new iPhones will reportedly still have).
Apple’s focus is said to be on enabling new augmented reality experiences: a ToF sensor could enable room tracking on a mobile scale, allowing a future iPhone to scan the room, create an accurate 3D rendering, and use that for far more immersive and accurate augmented reality implementations than current models allow for.
As an added bonus, a ToF sensor would also enable better depth maps for portrait mode pictures (which Huawei already does with the P30 Pro) by capturing full 3D maps to better separate the subject from the background, as well as better portrait mode-style videos.
Who else is using it?
Several phone companies already feature ToF scanners in their devices. As noted earlier, LG uses one in the front-facing camera of the G8 to enable motion gestures and better portrait photos. (It also uses the same IR laser system for its vein-mapping for the phone’s unique “palm recognition” feature.)
Huawei’s P30 Pro also features one as part of its rear-camera array, which is used for depth maps for portrait effects. That said, Huawei also claimed at the time of launch to have some AR ambitions for the sensor, too, noting that the P30 Pro can measure the height, depth, volume, and area of real-world objects with greater than 98.5 percent accuracy.
Sony — which provides imaging sensors for a wide variety of smartphones, including the iPhone — announced earlier this year that it was planning to ramp up production of 3D laser-based ToF chips this summer, which would be perfect timing for inclusion in a 2020 iPhone.
First Apple product with miniLED backlighting will be iPad Pro in Q4 – Kuo
Following Monday’s miniLED report, analyst Ming-Chi Kuo has a follow-up report out today stating that the first Apple product to use the technology will be a new iPad Pro in Q4 of this year.
Today’s report doesn’t get any more specific than that, but Kuo has previously predicted that the first model to get the improved backlighting system would be the 12.9-inch iPad Pro. Kuo at the time thought this would be launched in Q1 2021, but better-than-expected progress has accelerated that timescale …
It had been expected that Apple would gradually transition iPads and MacBooks to OLED screens. Apple first debuted OLED in the Apple Watch before adopting it for flagship iPhones. All four of this year’s iPhone 12 models are expected to have OLED screens.
However, Kuo said a year ago that Apple now appeared to be favoring continuing to use IPS-LCD screens for its larger products, but with miniLED backlighting to improve the quality. By using very many more smaller LEDs for backlighting, it provides greater control over small sections of the screen. This offers many of the same benefits as OLED: higher contrast ratio, increased brightness, deeper blacks, and better power efficiency.
But an LCD screen with miniLED backlighting is actually better than OLED in a couple of respects: it’s less prone to burn-in and has a longer life.
MiniLED technology is expensive, but Monday’s report said that Apple was bringing on board a second supplier, and using competition between them to drive down costs. Kuo thus expected miniLED screens to make it into 30-40% of iPads and 20-30% of MacBooks at some point next year.
MiniLED iPad Pro in Q4
Today’s report says that the first miniLED display will likely be in an iPad Pro. In the context of the earlier report, the smart money would be on a new 12.9-inch iPad Pro in Q4, with the 11-inch one lagging somewhat behind. Apple may also see a staggered launch as a way of boosting sales of the more expensive larger model.
Kuo also expands on his earlier prediction of Apple negotiating lower prices. He now expects Apple’s miniLED chip costs to fall by 50% in 2021 and a further 35% in 2022. He says that miniLED has already progressed from the ‘technology development’ stage to ‘economy of scale.’
The analyst says the results of price competition have already been seen in the miniLED television market, with costs falling dramatically as a result. Kuo expects a combination of lower production costs, economies of scale and Chinese government subsidies to continue to drive down the cost to Apple.
The first HarmonyOS-powered phone from Huawei to arrive in 2021
Huawei’s HarmonyOS was unveiled last year during the Huawei Developer Conference and there’s a report claiming that this year’s conference on September 10 will bring the HarmonyOS 2.0. Interestingly, the rumor cites Richard Yu himself, the company’s CEO. And the first phone with the in-house operating system will launch as early as next year.
A smartphone running the said OS already exists and will likely hit the market next year along with a number of new devices including PCs, tablets, smart wearables and other IoT products. In fact, the first smartwatch running HarmonyOS is expected to make a debut until the end of this year.
iPhone XR will reportedly be replaced by iPhone 12s in Q2 2021
Previously, conflicting information had emerged about iPhone XR’s future. We now seemingly know when it will be discontinued and which phone will replace it.
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