Method of producing an electroluminescence display device
AssigneeSanyo Electric Co., Ltd.
InventorTsutomu Yamada
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Abstract
An emissive element layer (65) composed of an organic compound is formed on an anode (61) of an organic EL element or the like, using an evaporation mask (150) in which the width d of an opening (151) and the thickness h of the mask (150) satisfy the relationship h>n×d, Where n>1, and more preferably 1<n≦2.5. Accordingly, an EL display device can be obtained in which outspread of an emissive layer material onto an adjacent pixel electrode can be prevented to thereby reduce color mixture.
Claims5
A method of producing an electroluminescence display device having one or more display pixels, each of said display pixels comprising an emissive layer for emitting light formed between a first electrode and a second electrode, in which provided above said first electrode is a mask to form said emissive layer, said mask having a thickness h and an opening width d of said mask in a region corresponding to said display pixel which satisfy the relationship h >n×d, wherein n>1, and a gap between said mask and a surface onto which said emissive layer is formed is 20 μm or less.
Dependencies are inferred from the claim text.