An organic material evaporation source

摘要

The present invention relates to an organic material evaporation source comprising a container for containing a liquid organic film material therein; an outlet port; a heating medium circulatory path for passing a heating medium therethrough, said heating medium circulatory path being disposed around said container; and a heating medium source for controlling the temperature of said heating medium to heat or cool said liquid organic film material contained in said container. <IMAGE>