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. 08, 2008
Filed:
Nov. 16, 2004
Jae-gyu Jeong, Daegu, KR;
Sang-hyun Kim, Gyeongsangbuk-Do, KR;
Soo-min Kwak, Gyeongsangbuk-Do, KR;
Yong-keun Kwak, Gangwon-Do, KR;
Jae-Gyu Jeong, Daegu, KR;
Sang-Hyun Kim, Gyeongsangbuk-Do, KR;
Soo-Min Kwak, Gyeongsangbuk-Do, KR;
Yong-Keun Kwak, Gangwon-Do, KR;
LG.Philips LCD Co., Ltd., Seoul, KR;
Abstract
A liquid crystal dispensing apparatus includes a container containing liquid crystal material; a discharge pump drawing in and discharging the liquid crystal material; a nozzle dispensing, onto a substrate, liquid crystal material discharged by the discharge pump; and a detector arranged near the nozzle to detect the presence of residual liquid crystal material accumulated on the surface of the nozzle. When the presence of residual liquid crystal material is detected, a dummy dispensing operation and/or a cleaning operation may be performed to remove the residual liquid crystal material.