NON-HALOGENATED ETCHANT AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE USING THE NON-HALOGENATED ETCHANT

摘要

Exemplary embodiments of the present invention disclose a non-halogenated etchant for etching an indium oxide layer and a method of manufacturing a display substrate using the non-halogenated etchant, the non-halogenated etchant including nitric acid, sulfuric acid, a corrosion inhibitor including ammonium, a cyclic amine-based compound, and water.