Patent · US Active

Method of forming thin film and method of manufacturing organic light-emitting display device

US9577193B2 · kind B2 · utility

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10Claims
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Assignee

Inventor

Key dates

Filing dateOct 7, 2015
Grant dateFeb 21, 2017
Priority date
Expiry dateOct 7, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K59/1201
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method of forming a thin film, the method including: disposing a resist portion on a substrate, the resist portion including: a first region including a first upper surface; and a second region including a second upper surface, the first upper surface disposed higher than the second upper surface and forming a step; disposing a first protection layer covering the resist portion; exposing the first upper surface; removing the first region; disposing a first thin film on the substrate; disposing a second protection layer covering the first thin film; exposing the second upper surface; removing the second region; disposing a second thin film on the substrate; and removing the first protection layer and the second protection layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.