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:
Aug. 12, 2008
Filed:
Aug. 01, 2005
Mitsukazu Kurose, Nagano-ken, JP;
Yujiro Nomura, Nagano-ken, JP;
Kiyoshi Tsujino, Nagano-ken, JP;
Ken Ikuma, Nagano-ken, JP;
Mitsukazu Kurose, Nagano-ken, JP;
Yujiro Nomura, Nagano-ken, JP;
Kiyoshi Tsujino, Nagano-ken, JP;
Ken Ikuma, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Provided is an exposure head, including: an array substrate having a plurality of organic EL elements arranged in an array on one face; and a plurality of circuit chips having a circuit for driving the organic EL element, and in which the forming face of the circuit is serially arranged along the extending direction of the array substrate so as to face one face of the array substrate; wherein the plurality of circuit chips are mutually serially connected by providing a pair of wiring groups for each mutual boundary location of the circuit chips on one face of the array substrate and outside the arrangement area of the organic EL element, bump-bonding one of the adjacent circuit chips to one end of the pair of wiring groups, and bump-bonding the other adjacent circuit chip to the other end of the pair of wiring groups.