Organic light emitting diode display device and method of fabricating the same

A method for fabricating an organic light emitting diode (OLED) display device, the method comprising:

• forming a first conductive layer, a gate insulating layer, and an active layer on an array substrate;
• forming a first source electrode and a first drain electrode formed of a second conductive layer on a source region and a drain region of the active layer, respectively and forming a gate line including a gate electrode formed of the first conductive layer under the active layer;
• forming an interlayer insulating layer on the array substrate with the first source electrode, the first drain electrode, the gate electrode, and the gate line formed thereon through a third masking process;
• forming red, green, and blue color filters on the interlayer insulating layer;
• forming a first protective layer on the array substrate with the color filters formed thereon, the first protective layer having a first contact hole and a second contact hole exposing the first source electrode and the first drain electrode, respectively;
• forming a second source electrode and a second drain electrode electrically connected to the first source electrode and the first drain electrode through the first contact hole and the second contact hole, respectively, the second source electrode and the second drain electrode being formed of a third conductive layer on the first protective layer;
• forming a second protective layer on the array substrate with the second source electrode and the second drain electrode formed thereon, the second protective layer including a third contact hole exposing the second drain electrode;
• forming a pixel electrode electrically connected to the second drain electrode through the third contact hole, the pixel electrode being formed of a fourth conductive layer on the second protective layer;
• forming a partition on the array substrate with the pixel electrode formed thereon;
• forming an organic light emitting layer on the array substrate with the partition formed thereon;
• and
• forming a common electrode on the organic light emitting layer.