The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2021
Filed:
Oct. 26, 2017
Sakai Display Products Corporation, Sakai, JP;
Sakai Display Products Corporation, Osaka, JP;
Abstract
According to a flexible OLED device production method of the present disclosure, after an intermediate region () and flexible substrate regions () of a plastic film () of a multilayer stack () are divided from one another, the interface between the flexible substrate regions () and a glass base () is irradiated with laser light. The multilayer stack () is separated into a first portion () and a second portion () while the multilayer stack () is in contact with a stage (). The first portion () includes a plurality of OLED devices () which are in contact with the stage (). The OLED devices () include a plurality of functional layer regions () and the flexible substrate regions (). The second portion () includes the glass base () and the intermediate region (). The stage () has ejection holes in a region which is to face the intermediate region (), from which a fluid is ejected in the separation step.