The object of the present invention is to provide a method of forming a polyimide isolating wall with {HEAD ~ a reverse trapezoid cross section} that possesses electric, thermal and mechanical stability and thereby improves the quality and lifetime of {TAIL ~ an OEL display panel} 
The object of the present invention is to provide a method of forming a polyimide isolating wall with { HEAD ~ a reverse trapezoid cross section } that possesses electric , thermal and mechanical stability and thereby improves the quality and lifetime of { TAIL ~ an OEL display panel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL