an array substrate for a transflective liquid crystal display device , including a substrate ; at least one gate line and at least one gate electrode formed on the transparent substrate ; a gate - insulating layer formed over the at least one gate line and the at least one gate electrode ; a silicon layer formed on the gate - insulating layer , the silicon layer being positioned above the at least one gate electrode ; a source electrode and a drain electrode formed on the silicon layer and spaced apart from each other with the silicon layer overlapped therebetween , wherein the at least one gate electrode , the source electrode , the drain electrode , and the silicon layer define a thin film transistor ; at least one data line ; a first passivation layer covering the at least one data line ; a transparent electrode formed on the first passivation layer ; and a reflective electrode formed on the transparent electrode .