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:
Feb. 28, 2006
Filed:
Mar. 25, 2004
Hiroyuki Abe, Matsumoto, JP;
Hiroyuki Abe, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
To provide an organic EL display capable of displaying an accurate color and reducing or preventing a decrease in light transmittance, an organic EL display includes a display portion having a plurality of organic EL elements arrayed therein, a circuit element portion having second thin film transistors serving as switching elements for the respective organic EL elements, and a first underlying protective film made of a silicon nitride film formed between the circuit element portion and the transparent substrate. The first underlying protecting film has a plurality of apertures formed corresponding to the positions of the respective organic EL elements.
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