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Some tablets and smartphones ship with an AMOLED display. Newer ones are shipping with a “Super AMOLED” display. What so super about it, and what does all this alphabet soup even mean?

The short version is that a Super AMOLED touchscreen display integrates touch sensors with the glass surface panel, eliminating at least one layer of glass and with it, a layer of air. That’s what makes Super AMOLED super. Only Samsung makes it.

Super AMOLED schematic from Samsung

I said “at least one layer of glass” because AMOLED itself eliminates at least one layer in a display. The current Galaxy Tab, for example, uses a TFT-LCD (Thin-Film Transistor Liquid Crystal Display) screen. Until very recently, TFT-LCD has been the state of the art in thin color displays and is still the only cost-effective option in the vast majority of displays larger than a smartphone screen.

TFT-LCD has approximately four layers: a backlight, a TFT color filter, a touch-sensor panel, and an outer glass screen. AMOLED (Active-Matrix Organic Light-Emitting Diode) eliminates the separate backlight. AMOLED, however, is known for having problems with glare and readability in direct sunlight, even relative to average LCD screens. By minimizing the number of reflective surfaces and power necessary to achieve vivid color, Super AMOLED was designed in part to address this.

Samsung introduced Super AMOLED to commercial devices this year with the Samsung Wave, which ran their own Bada OS. The Android-powered Samsung Galaxy series of smartphones made the displays popular, and it’s since appeared on Samsung’s Windows Phone 7 handsets as well.

There are other advanced color technologies in the market, all of them super, and all of them extra-expensive: Super LCD recently joined Super IPS and Advanced Super View. But only Super AMOLED has really captured the popular imagination.

A 7-inch Android tablet with an AMOLED display would probably be a serious advance over its current LCD screen. But if it’s “just” AMOLED, something about it would just seem … less than super.

See Also:

• OLED Shortage Forces HTC to Switch Displays
• Samsung Omnia 7 Windows Phone Launches Early
• Samsung’s Windows Phone 7 Packs Intuitive, Visual Punch
• Samsung Android Phone Captivates AT&T
• Sporty New iPods Tout Tiny Touchscreens, Retina Display
• Better Than Retina: The Next Big Display Technology
• Samsung Galaxy Player, Better Than iPod Touch?
• Samsung Teases 10-Inch Galaxy Tab with Ultra-Light Resin Screen

Promising “visually rich user experiences not previously seen in consumer electronics devices,” ARM has introduced its latest embedded GPU architecture, Mali-T604, at its Technology Conference 2010 in California today. Though we’re unlikely to see it in devices any time soon, the introduction means that the new design is available to ARM licensees — and notably, the company points out that partner Samsung will be the first to get hooked up. Considering Sammy competes in the high-end embedded system-on-chip space already with its ARM-based Hummingbird line of cores, adding in the Mali-T604 is probably the next logical step for them. ARM says that it’s designed “specifically” with the needs of general purpose GPU computing in mind and includes extensive support both for OpenCL and DirectX, so look for some insane number-crunching capabilities on your next-generation phone, tablet, and set-top box. Follow the break for ARM’s press release.

Continue reading ARM intros next-gen Mali-T604 embedded GPU, Samsung first to get it

ARM intros next-gen Mali-T604 embedded GPU, Samsung first to get it originally appeared on Engadget on Wed, 10 Nov 2010 16:11:00 EDT. Please see our terms for use of feeds.

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Does that look like a 10.1-inch Galaxy Tab to you? Sure does to us though Tech-on! is calling it an “electronic book reader” prototype from Samsung. Thing is, when was the last time you made a 3G video call using a dedicated ebook reader? The 10.1-inch panel is a 1.8-mm thick LCD prototype on display right now at the FPD International trade show in Japan. It features a 1,024 x 600 pixel panel resolution, 250nits brightness, 1,000:1 contrast, and covers 50 percent of the NTSC color gamut. Oh, and it’s said to be unbreakable thanks to the new 0.44mm / 28g resin panel (excluding the backlight unit) that replaces the typical 1.26mm / 130g glass LCD panel. And while this particular slim panel won’t be ready for commercialization for another two or three years, there’s nothing stopping Samsung from bunging a production-ready LCD into the 10-inch Galaxy Tab promised for 2011. Check the new LCD in profile after the break.

Continue reading 10.1-inch Galaxy Tab teased with prototype panel?

10.1-inch Galaxy Tab teased with prototype panel? originally appeared on Engadget on Wed, 10 Nov 2010 03:48:00 EDT. Please see our terms for use of feeds.

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The Samsung Focus‘s microSD slot has always been an odd little blip on the spec sheet, since it’s only kinda-sorta supported by Windows Phone 7, and now it looks like it’s causing more trouble than it’s worth: Paul Thurrot says AT&T’s telling employees not to install anything in the slot because of reliability issues, and that Microsoft is working on the problem. Now, we’ve had mixed experiences using the microSD slot ourselves, and we’ve been told by numerous sources that AT&T and Samsung added the feature without too much encouragement from Microsoft, which told us at MIX that expansion wouldn’t be supported by WP7 at all. We’ve also been told by reliable sources that the problem is primarily to do with microSD speed and reliability — apparently only the fastest cards will work well, and current microSD class ratings aren’t accurate or meaningful enough to be useful. We’d bet Microsoft and Samsung get together and put out a line of Focus-specific cards before this is all over — but wouldn’t it have been easier to just build in 32GB of storage from the start?

Update: Tipster Jon points out that Microsoft’s own WP7 support docs specifically call out SD class ratings as not being accurate determinants of whether or not a card will work — and further say that only OEMs or carriers should swap out cards. Here are the relevant passages:

The SD card slot in your phone is intended to be used only by the Original Equipment Manufacturer (OEM) that built your phone and your Mobile Operator (MO). These partners can add an SD card to this slot to expand the amount of storage on your phone.

[…]

Determining whether an SD card is Windows Phone 7 compliant is not a simple matter of judging its speed class. Several other factors, such as the number of random read/write operations per second, play a role in determining how well an SD card performs with Windows Phone 7 devices.

Sounds complicated — and it also sounds like Microsoft needs to call Samsung or SanDisk and kick out a line of WP7-certified cards, like, now.

Samsung Focus having microSD issues, AT&T not installing cards in-store (updated) originally appeared on Engadget on Tue, 09 Nov 2010 11:52:00 EDT. Please see our terms for use of feeds.

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If surprise was the focus of the event, we’d say the Samsung Android-powered, Verizon-exclusive (and, alas, Bing-driven) Continuum reveal was a comedy of errors — but who cares now that we’ve got our hands on the Galaxy S phone, secondary ticker and all (at 480 x 96 resolution). The Android buttons themselves, as it turns out, are on the display as well — basically, it’s one huge display. The grip sensor that activates the display seems to work well, although it’s pretty easy to squeeze the camera button by accident since it’s also on the lower right of the phone. Unfortunately, there’s no way for third-party apps to update the ticker — it’s limited to Samsung’s stuff right now. We’re trying to get some battery life info — we’re curious if turning on a smaller screen more often will result in a longer shelf life, or if it’ll just be about even.

Update: Video after the break!

Update 2: Okay, we got some more info on that screen. The entire front of the phone is one huge four-inch screen, with the Android buttons more or less painted over the lower third — the screen lights up underneath them in white to illuminate them. Samsung says it’s just easier for marketing purposes to say it’s two screens, but that they’re selectively turning on the bottom portion of the display for the ticker. As far as battery life, it’s a 1500mah battery that’ll last about a day, we’re told — the lower screen turns on whenever a notification comes in, but since it’s a smaller screen the battery life is on par with the Fascinate.

We also learned the “grip sensor” isn’t really grip-based at all — it’s capacitive, so just lightly touching both sides of the phone lights up the ticker. It’s pretty nice, although super easy to set it off by just holding the phone. Samsung says there will eventually be an API for third-party apps to use the ticker, but right now they’re just focused on their core experiences. As for Bing, well, no one’s saying why some Verizon phones get Binged out and some don’t, but every indication is that Verizon calls those shots, not Samsung. We’re also told that an Android 2.2 update will eventually arrive, but there’s no timeline yet — and there’s a real chance this’ll launch with 2.1 after 2.3 hits. Developing…

Update 3: Added a quick macro pic of the buttons after the break — you can see how it’s just one big screen. We also took some side-by-sides with a Captivate — the Continuum is thicker and narrower. Samsung says the narrower size is designed to appeal to women, who generally have smaller hands.

Continue reading Samsung Continuum first hands-on (update: video!)

Samsung Continuum first hands-on (update: video!) originally appeared on Engadget on Mon, 08 Nov 2010 18:48:00 EDT. Please see our terms for use of feeds.

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