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:
Jan. 19, 2010
Filed:
Jan. 11, 2008
Masaki Sasaki, Hiki-gun, JP;
Kenji Kato, Hiki-gun, JP;
Masao Arima, Hiki-gun, JP;
Taiyo Ink Mfg. Co., Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a black paste composition suitable for use in laser direct imaging devices employing a light source emitting a laser having a maximum wavelength of 350 to 420 nm, useful in forming a high-definition black matrix pattern efficiently, and superior in storage stability, a black matrix pattern formed by using the composition, a plasma display having the pattern, and a method of forming the black matrix pattern by using the composition. An alkali development-type black paste composition of the present invention comprises (A) a carboxyl group-containing resin, (B) a glass frit, (C) a black pigment, (D) a compound having at least one radically polymerizable unsaturated group in its molecule, and (E-1) an oxime-based photopolymerization initiator represented by the following general formula (I).