Retina redefined: LG makes world’s thinnest, highest pixel density smartphone LCD ever
With Retina-class displays releasing across smartphones and tablets, it’s not uncommon for someone to posses a mobile device with an extremely high resolution screen. Displays continue to improve, though, as LG has proven with the production of a 5.5-inch 2560×1440 LCD with 538 pixels-per-inch.
The LCD is the first mobile display to reach that resolution, and is also the thinnest, measuring in at a mere 1.21mm. LG is referring to the display as Quad HD, not to be confused with Full HD, which is otherwise known as standard 1080p. Quad HD doesn’t mean it is four times more full of Full HD, but rather means that the display has four times the amount of pixels as a 1280x720p display. With the high resolution, LG claims that screen can display full, non-mobile web pages without any distortion, as well as Blu-ray videos.
Last month, LG released a similar display, a 5.2-inch, 2.2mm 1080p LCD that was, at the time, the world’s thinnest. Now, LG has outclassed itself only one month later. The LG G2 was announced earlier this month, sporting a 5.2-inch 1080p LCD, but while the specs match, it isn’t totally clear if the phone uses the display shown off in July. Owners of the LG G2 might also be a little sore that the phone will release close to the unveiling of this 1.21mm, 2560x144o display, but we should all be familiar with the pace of the smartphone industry at this point. LG has not yet mentioned if this new LCD would be used in an upcoming new model, but seeing as how the LG G2 will release shortly after the the reveal of a display with suspiciously similar specs, we wouldn’t be surprised to see the 1.21mm LCD included in some upcoming phone.
LG continues to prove that the mobile display industry catches up to the non-mobile display industry as quick as can be in terms of specs so, rather than moving forward, the next major advance might be moving sideways. High resolution displays are so common at this point that we expect devices to have them, but other tech, such as flexible displays, haven’t been widely implemented in consumer devices. Another lateral advance could be in the realm of e-ink displays. They use such a negligible amount of energy that figuring out how to make a high-res e-ink display with an acceptable refresh rate could allow for developers to utilize the extra power to perform more advanced tasks on a device. In fact, the energy used by an e-ink display is so low, that a group of researchers managed to wirelessly power one through NFC transactions alone.
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