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AssigneeGuangzhou Chinaray Optoelectronic Materials Ltd.
InventorsJunyou PAN, Xi YANG, Xiaolin YAN
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A printing ink formulation includes a functional material and a solvent being evaporable from the printing ink formulation to form a functional material thin film. The solvent is formed by mixing at least two organic solvents including a first solvent and a second solvent. The solvent system containing at least two solvents can effectively dissolve the functional material without the need of adding an additive, and can also effectively prevent the occurrence of a “coffee-ring effect”, and accordingly, the thin film containing a uniform thickness and a strong electron transmission capability can be obtained.
A printing ink formulation, comprising a functional material and a solvent, the solvent could be evaporable from the printing ink formulation to form a functional film;
(canceled)
Dependencies are inferred from the claim text.