Sharp expands 4K TV range, to offer 5K TV this year

Sharp is quadrupling the number of Ultra HD television sets it sells, raising its bet that consumers will want the TVs despite the lack of a large amount of content.Ultra HD, also called 4K, offers a picture with four times the resolution of today’s best high-definition video. Sony has been delivering 4K content to owners of its TVs and Netflix is experimenting with 4K streaming, but few other sources exist.Still, that hasn’t stopped TV makers from pushing the technology as they try to pe