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. 28, 2006
Filed:
Oct. 18, 2002
Hiroyuki Kawamura, Kantano, JP;
Shigeo Suzuki, Hirakata, JP;
Masaki Aoki, Minoo, JP;
Kanako Miyashita, Moriguchi, JP;
Mitsuhiro Ohtani, Sakai, JP;
Hiroyuki Kado, Osaka, JP;
Keisuke Sumida, Hirakata, JP;
Nobuyuki Kirihara, Hirakata, JP;
Hiroyuki Kawamura, Kantano, JP;
Shigeo Suzuki, Hirakata, JP;
Masaki Aoki, Minoo, JP;
Kanako Miyashita, Moriguchi, JP;
Mitsuhiro Ohtani, Sakai, JP;
Hiroyuki Kado, Osaka, JP;
Keisuke Sumida, Hirakata, JP;
Nobuyuki Kirihara, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The present invention intends to provide a manufacturing method for a PDP that can continuously apply phosphor ink for a long time and can accurately and evenly produce phosphor layers even when the cell construction is very fine. To do so, phosphor ink is continuously expelled from a nozzle while the nozzle moves relative to channels between partition walls formed on a plate so as to scan and apply phosphor ink to the channels. While doing so the path taken by the nozzle within each channel between a pair of partition walls is adjusted based on position information for the channel. When phosphor particles is successively applied to a plurality of channels, phosphor ink is continuously expelled from the nozzle even when the nozzle is positioned away from the channels. The phosphor ink is composed of: phosphor particles that have an average particle diameter of 0.5 to 5 μm; a mixed solvent in which materials selected from a group consisting of terpineol, butyl carbitol acetate, butyl carbitol, pentandiol, and limonene are mixed; and a binder that is an ethylene group polymer or ethyl cellulose containing at least 49% of ethoxy group (—OCH) cellulose molecules. After dispersion a charge-removing material is added to the phosphor ink.