It's now clear that Sharp doesn't have an exclusive lock on IGZO displays, even for the big-screen TVs that are still the company's domain. AU Optronics has developed a 65-inch IGZO panel that wields the very light-friendly technology to reach 4K resolutions without the usual penalties -- as the screen doesn't need much backlighting to illuminate all those pixels, it can stay slim and keep the shocking energy bills to a minimum. The smaller
