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:
Nov. 09, 2004
Filed:
Sep. 17, 1997
Ichiro Fujieda, Tokyo, JP;
Takeshi Saito, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
An image sensor device which optically reads out a document is disclosed, which comprises an image sensor ( ) having a plurality of light receiving elements ( ) arranged regularly facing a document to be read out; and a thin film light source ( ) arranged tightly contacted on the document side of the image sensor ( ), the thin film light source ( ) emitting light to the document, wherein-the thin film light source ( ) includes more than one light emission portion having a smaller area than that of a photoelectric conversion element, the light emission portion corresponding to each of the photoelectric conversion elements, and the light emission portion includes an opaque electrode ( ) serving as a light blocking layer on the photoelectric conversion element side and is, arranged at a center of a lower surface of the photoelectric conversion element ( ). A transparent substrate has a thickness of about 50 &mgr;m, the thin film light source ( ) has a thickness of less than 1 &mgr;m, and the image sensor ( ) has a thickness of less than 1 mm. The image sensor device has a thickness of about 1 mm, which is a total of these thicknesses. The image sensor device is small in size.