Could Kodak spell the end for LCD camera view screens?
(Kodak LS633 with OLED screen docked to printer) One of two new consumer digicams launched by Kodak at PMA this week marks a milestone in the evolution of digital cameras. The new 3.1 megapixel LS633 has a fairly routine list of features until you come to the bit that describes the large (2.2 inches) view screen. For the first time, a digital camera incorporates active OLED (organic light emitting diode) screen technology. Emissive screen technology OLED technology has been brewing for several years and Kodak holds most of its key patents. Basically, unlike LCD, which acts as a filter to selectively block light passing through a layer of polarised liquid crystal material, OLED is a transmissive technology it generates its own light. Solves many limitations of LCD screens The problem with LCDs is that they need a separate light source. Usually, this is a back light which must be accommodated in the thickness of a LCD unit. Back lit LCD view screens can be easily drowned out by bright am
