Patent ID: 7508470

Claim:
A display unit for a portable electronic device, comprising: a substantially transparent display layer having a front side for displaying information and a rear side; a color filter layer; at least one reflector between the color filter layer and the substantially transparent display layer such that no color filter is provided between the at least one reflector and the substantially transparent display layer; and a lighting system for illuminating the substantially transparent display layer from the rear side via the color filter layer, the lighting system configured to be switched on or off, wherein the display unit operates in an emissive mode when the lighting system is switched on, wherein the display unit operates in a reflective and/or transflective mode when the lighting system is switched off, and wherein the at least one reflector is on a front side of the color filter layer facing the display layer such that reflected light does not travel through a color filter when the display unit operates in the reflective mode.