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:
Jul. 19, 2011
Filed:
Dec. 29, 2006
Bong Chul Kim, Daegu, KR;
Jun Beom Cho, Gyeonggi-do, KR;
Seung Hyung Lee, Gyeonggi-do, KR;
Kyo Yong Koo, Gyeongsangbuk-do, KR;
Hyeon Jin Seo, Gyeongsangbuk-do, KR;
Dhang Kwon, Daejeon, KR;
Robert Taff, Pleasanton, CA (US);
Bong Chul Kim, Daegu, KR;
Jun Beom Cho, Gyeonggi-do, KR;
Seung Hyung Lee, Gyeonggi-do, KR;
Kyo Yong Koo, Gyeongsangbuk-do, KR;
Hyeon Jin Seo, Gyeongsangbuk-do, KR;
Dhang Kwon, Daejeon, KR;
Robert Taff, Pleasanton, CA (US);
LG Display Co., Ltd., Seoul, KR;
ULVAC, Inc., Kanagawa-ken, JP;
Abstract
An apparatus for coating a polyimide layer includes a printing table in which a substrate is provided, an inkjet head having an injection surface with nozzles for injecting a polyimide liquid onto the substrate, a polyimide liquid supply tank filled with the polyimide liquid, an ultrasonic cleaner in which a cleaning liquid for cleaning the inkjet head is stored for cleaning the inkjet head with vibrations in the cleaning liquid generated by applying an ultrasonic signal, and a wiper for wiping an injection surface of the inkjet head.