Organic EL element having forward tapered banks containing fluorine resin and manufacturing method thereof

1. A top emission type organic EL display panel comprising:

a substrate;

anode electrodes set on the substrate;

hole transport layers set on the anode electrodes, the hole transport layers containing tungsten oxide, molybdenum oxide, vanadium oxide, or a combination thereof;

organic EL layers set on the hole transport layers;

transparent cathode electrodes set on the organic EL layers; and

a plurality of linear banks having a forward tapered shape, which define the organic EL layers; wherein:

the plurality of linear banks contain a fluorine resin,

a fluorine concentration at a top of the plurality of linear banks is higher than a fluorine concentration at a bottom surface of the plurality of linear banks, and

a height of the top of the plurality of linear banks from the substrate is 0.8 to 1.2 μm.

2. The top emission type organic EL display panel according to claim 1 , wherein the fluorine concentration at the top of the plurality of linear banks is 5 to 10 atom % and the fluorine concentration at the bottom surface of the plurality of linear banks is 0 to 3 atom %.

3. The top emission type organic EL display panel according to claim 1 , further comprising thin film transistors each including a source electrode or a drain electrode, wherein:

the anode electrodes are connected with respective thin film transistors at the source electrode or the drain electrode.