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. 03, 2001
Filed:
Dec. 16, 1998
Mitsuma Ooishi, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
Disclosed is an organic thin film EL device which has: a transparent insulative substrate and a sealing cap which are bonded together by an ultraviolet-activated adhesive; wherein the ultraviolet-activated adhesive is composed of a combination of adhesives with different hardening conditions to the irradiation of ultraviolet rays. Also disclosed is a method for making an organic thin film EL device composed of a transparent insulative substrate and a sealing cap which are bonded together by an ultraviolet-activated adhesive, the method having the steps of: disposing a plurality of the ultraviolet-activated adhesives with different hardening conditions to the irradiation of ultraviolet rays between the transparent insulative substrate and the sealing cap; and irradiating ultraviolet rays with different irradiation conditions to the plurality of the ultraviolet-activated adhesives in a plurality of separate steps so that the adhesives with different hardening conditions are hardened separately in each of the plurality of separate steps.