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. 28, 2005
Filed:
Aug. 07, 2001
Applicant:
Hidenori Kawata, Chino, JP;
Inventor:
Hidenori Kawata, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F001/136 ; G02F001/1333 ; G02F001/1335 ;
U.S. Cl.
CPC ...
Abstract
The invention provides a light shielding film having excellent capability of shielding light. The light shielding film includes a barrier layer formed of a material selected from the group including a refractory nitride compound, silicon compound, tungsten compound, tungsten, and silicon, and also includes a metal layer formed of a material selected from the group including a metal in the form of a simple substance or a metal compound, whose high capability of shielding light is degraded when being oxidized.