The Apple Watch already has one of the best displays on any smartwatch, but the company is reportedly working on something that could make it meaningfully better.
According to industry sources cited by The Elec, LG Display is currently developing and validating a new display backplane technology. It is called high-mobility oxide, or HMO, and the company is making it on its sixth-generation OLED production lines.
Nadeem Sarwar / Digital Trends
How does HMO matter for Apple Watch battery life?
Every OLED display needs a backplane, which is the layer of transistors that controls each pixel.
The current gold standard for Apple Watch panels is LTPO, which improves battery life by allowing the screen to dynamically drop its refresh rate to 1Hz when not being used actively.
HMO, on the other hand, takes a different approach. It maximizes the inherent low-power advantages of oxide transistor technology without the complex manufacturing steps involved in making LTPO.
The new technology doesn’t require laser crystallization or ion implantation, which, in theory, should result in a display that draws even less power while costing less to produce. In simple words, the Apple Watch models using the technology could last substantially longer than the ones that rely on LTPO technology.
Apple is evaluating HMO as a potential successor to its LTPO technology for Apple Watch displays. If everything pans out well, we might see the same technology on future iPhone displays.
Nadeem Sarwar / Digital Trends
When could HMO reach an actual Apple Watch?
The challenge comes down to how quickly the transistors inside the display can switch on and off.
Today’s mass-produced oxide panels aren’t fast enough for the kind of high-resolution, high-refresh-rate displays Apple demands, and LG Display needs to close that gap significantly before HMO is ready for production at scale. Getting there consistently across a full-sized panel, without sacrificing reliability, is the challenging part.
The report suggests that LG Display could supply the technology for smartwatch applications as early as next year, putting an optimistic timeline for an Apple Watch with an HMO display at 2027 or later. However, I won’t be surprised if it is delayed to 2028.
Keep in mind that everything here comes from industry sources cited by The Elec, and nothing has been confirmed by either Apple or LG Display.
If you are a book purist, you might scoff when I recommend an e-reader instead of buying physical books, and I won’t blame you. The allure of the smell of pages, the weight of the book in my hands, the whole ritual, is hard to resist.
However, if you allow me some leeway to convince you, there’s a strong argument to be made against physical books and in favor of using e-readers. So let me make the case for e-readers, because once you understand what you’ve been missing, it’s hard to go back.
Your entire library fits in your bag
This is the most obvious advantage, but it doesn’t get enough credit. I always read more than one book at a time, and carrying two or three physical books around is not realistic. Thick books alone are a chore to carry.
Rachit Agarwal / Digital Trends
With an e-reader, you carry hundreds of books in a slim package. Switching between titles takes a second. If you travel frequently, this alone is reason enough to make the switch.
A thousand-page hardcover is great for your bookshelf but terrible for your commute.
Fat books are a workout, not a reading experience
If, like me, you are into fantasy books, you know they can be a behemoth to handle. You have to constantly shift how you’re holding it, find a way to keep it open, and somehow also stay comfortable. Thin books are fine, but the moment a book crosses a certain thickness, it starts working against you.
Rachit Agarwal / Digital Trends
An e-reader weighs the same regardless of whether you’re reading a short novel or a massive fantasy series. That’s it. Whether I am reading The Count of Monte Cristo or the next book in Brandon Sanderson’s The Stormlight Archive series, my Supernote Nomad remains the same.
Rachit Agarwal / Digital Trends
Reading at night without waking anyone up
I do a lot of my reading at night, and this is where physical books completely fall apart for me. Lamps and book lights never feel comfortable. The light is never quite right, and if you share a room with someone, the whole setup becomes a problem.
Steven Winkelman / Digital Trends
Most e-readers, including Kindles, have a built-in backlight that you can dim to whatever level feels right. You can even switch to warm light mode, making it easier on your eyes.
I’ve read at 3 AM with the brightness all the way down, and it felt completely natural. No lamp and no squinting required.
Look up any word without losing your place
English is not my first language, and even for native speakers, encountering an unfamiliar word in the middle of a chapter is common. With a physical book, your options are to grab your phone and look it up, which almost always leads to distraction, or skip it and lose a bit of meaning.
On a Kindle or most other e-readers, you tap the word and the definition appears instantly. You can translate it, add it to a vocabulary list, and get back to reading in seconds. I look up far more words now than I ever did with physical books, and my reading comprehension is genuinely better for it.
Taking notes you’ll actually use later
I used to annotate physical books with a pen, and those notes would just sit there on the page, never to be seen again. Transferring them somewhere useful took more effort than I was ever willing to put in.
Rachit Agarwal / Digital Trends
With my Supernote Nomad, I can use its Digest feature to clip what I am reading and quickly add any additional handwritten notes. I can then export those notes to Obsidian and process them.
Nadeem Sarwar / Digital Trends
If you use any e-reader, highlighting a passage and adding a note will take a couple of seconds. Most e-readers also aggregate all your highlights and notes in one place, allowing you to quickly riffle through your notes without flipping pages.
With physical books, my notes died on the page. With an e-reader, they became something I actually use.
Since these are digital notes, you can process them into your note-taking app to further digest the material.
Books are cheaper and easier to buy
Buying physical books is always more expensive than getting the digital version. Also, since most publishers are phasing out mass-market paperbacks, we are left with trade paperback and hardcover options, which may look better but also cost significantly more.
Nadeem Sarwar / Digital Trends
E-books don’t have that problem. I have purchased several books at less than half the price I would have paid for a physical version. Also, most of the time, e-books are on sale, making them even more affordable.
And when you find a book you want to read at midnight, you don’t have to wait for a delivery or drive to a store. You buy it and start reading immediately. The convenience is hard to overstate once you get used to it.
Should you switch?
If you love the experience of physical books, the covers, the smell, the shelf aesthetic, that’s a completely valid reason to stick with them. There’s nothing wrong with it. I myself am curating my own bookshelf, and there will always be a place for those special books.
But for convenience and ease of discovery and reading, I recommend you at least invest in one e-reader. It’s also one of the best times to buy them, as you can get good options around $100.
Since these are e-readers, you don’t even need to upgrade them as often as your phone. If you don’t accidentally break them, they can easily last 5-6 years, making them worth the investment.
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