Source: http://www.engadget.com/2015/04/07/lg-leaks-8k-imac/
Apple's suppliers take a $50 million blood oath on new model secrecy, but it looks like someone from LG didn't get that memo. In a press release explaining why 4K is now passé (really?), the company's display division inadvertently leaked an iMac with an incredible 8K screen. While discussing its own 98-inch 8K TV, it said "Apple has also announced that they will release the 'iMac 8K' with a super-high resolution display this year." Unfortunately for LG, Apple announced no such thing, meaning the Korean company may have revealed information meant for its eyes only.
An 8K iMac is far from implausible, as Apple already has a 27-inch 5K retina iMac with 5,120 x 2,880 pixels. On top of that, VESA's new DisplayPort 1.4a standard now allows 7,680 x 4,320 8K displays. (That's an eye-popping 33-megapixels if you're keeping score at home.) However, we're taking all the information with a certain amount of salt, since it could just be a simple mistake or misunderstanding. That said, LG is the manufacturer of record for Apple's 5K iMac and has since taken down the post. We've reached out to LG and Apple for comment, but at this point we're not holding our breath.