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:
Jun. 04, 2013
Filed:
Jul. 29, 2009
Keisuke Matsuo, Kanagawa, JP;
Kohji Hanawa, Kanagawa, JP;
Keisuke Matsuo, Kanagawa, JP;
Kohji Hanawa, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A display device capable of early finding a sign such as misregistration or width variation of an emission layer formed by a layer transfer method, and a manufacturing method of the same are provided. In an inspection regionoutside of an effective region, inspection pixels Pxmade up of organic light-emitting elementsR,G andB are provided, and a distance Wbetween the inspection pixels Pxon both sides of a color targeted for inspection is shorter than a distance Wbetween display pixels Pxon both sides of the color targeted for inspection. Based on a change in a chromaticity or a spectrum shape of EL or PL light emission of the inspection pixel Px, a sign such as misregistration of a red-light emission layerCR, a green-light emission layerCG, is found at an early stage.