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