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. 25, 2008
Filed:
Feb. 27, 2006
Young-chul Lee, Yongin-si, KR;
Dong-gil Kim, Seoul, KR;
Sung-jung Kim, Seoul, KR;
Jeon-gu Kim, Suwon-si, KR;
Hong-lae Cho, Yongin-si, KR;
Young-Chul Lee, Yongin-si, KR;
Dong-Gil Kim, Seoul, KR;
Sung-Jung Kim, Seoul, KR;
Jeon-Gu Kim, Suwon-si, KR;
Hong-Lae Cho, Yongin-si, KR;
DMS Co., Ltd., , KR;
Abstract
There is provided a fluorescent material coating apparatus for a fluorescent lamp. The fluorescent material coating apparatus includes a cassette on which a plurality of glass tubes are detachably mounted, a delivery member having a delivery chamber communicating with first ends of the glass tubes, a negative pressure generating unit for allowing fluorescent solution to be drawn into the glass tubes by generating a negative pressure in the glass tubes communicating with the delivery chamber by lowering the pressure of the delivery chamber, a dry air supplying unit for supplying dry air to the delivery chamber to dry the fluorescent solution applied on inner surfaces of the glass tubes, a solution tank containing the fluorescent solution and disposed below the glass tubes mounted on the cassette, and a moving unit for allowing lower end portions of the glass tubes mounted in the delivery chamber to be dipped into the fluorescent solution contained in the solution tank.