Patent ID: 8466468
Filing Date: 2013-06-18
Classification: H01L

Abstract:
1. An organic electroluminescence (EL) display panel, comprising: a first electrode plate group including a plurality of first electrode plates corresponding to a first color arranged in a first predetermined line; a second electrode plate group including a plurality of second electrode plates corresponding to a second color arranged in a second predetermined line adjacent to the first predetermined line arrangement of the first electrode plate group; a first bank along an edge of the first electrode plate group opposite the second electrode plate group; a second bank between the first electrode plate group and the second electrode plate group along respective edges thereof; a third bank along an edge of the second electrode plate group opposite the first electrode plate group; a first organic functional layer between the first bank and the second bank and above the first electrode plate group; a second organic functional layer between the second bank and the third bank and above the second electrode plate group; a counter electrode disposed to cover both the first organic functional layer and the second organic functional layer; a thin-film transistor (TFT) layer provided below the first electrode plate group and the second electrode plate group; an interlayer insulation film layered between (i) the first electrode plate group and the second electrode plate group and (ii) the TFT layer; and a plurality of contact holes that penetrate through the interlayer insulation film and have wiring lines connecting the first electrode plates and the second electrode plates with the TFT layer, wherein each of the first electrode plates and each of the second electrode plates includes at least one concavity, the at least one concavity included in each of the first electrode plates and each of the second electrode plates coincide with the plurality of contact holes, a total volume of the at least one concavity in any of the first electrode plates is larger than a total volume of the at least one concavity in any of the second electrode plates, a volume of a portion of the first organic functional layer corresponding to any of the first electrode plates at least approximates a volume of the second organic functional layer corresponding to any of the second electrode plates, and a portion of the first organic functional layer entered into the at least one concavity in any of the first electrode plates is larger than a portion of the second organic functional layer entered into the at least one concavity in any of the second electrode plates, so that in locations other than the at least one concavity in the first electrode plates and the second electrode plates, the first organic functional layer is thinner than the second organic functional layer.