Gizmag: Could the end be nigh for plasma and LCD screens? Seiko Epson has recently announced a further development in ink-jet technology, which does away with some of the problems still dogging the much-vaunted organic light-emitting diode (OLED) display technology. In particular, Seiko Epson has signaled it is moving toward a 37-inch HD OLED screen by creating a uniform deposit of organic material while removing the uneven layering of the ink-jet method.
To date, OLED technology has been used for smaller-scale screens, due to an inability to reliably form uniform organic layers on larger panels or substrates, as they are known. Until recently the most widely used process for depositing organic materials was vacuum thermal evaporation (VTE). This method, however, is fraught with technical complications and is one of the main reasons that mass production has been hindered.