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:
May. 05, 2009
Filed:
Oct. 24, 2003
Hun-jun Choo, Kyoungsangbuk-Do, KR;
Deok-hyun Kim, Chungcheongnam-Do, KR;
Hwa-seob Shim, Gyoungsangbuk-Do, KR;
Jong-go Lim, Gyoungsangbuk-Do, KR;
Hun-Jun Choo, Kyoungsangbuk-Do, KR;
Deok-Hyun Kim, Chungcheongnam-Do, KR;
Hwa-Seob Shim, Gyoungsangbuk-Do, KR;
Jong-Go Lim, Gyoungsangbuk-Do, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
An apparatus for measuring ground amounts of a liquid crystal display panel includes a grinding unit for grinding upper and lower marginal portions of a unit liquid crystal display panel, a first imaging system for producing images of a ground surface of the upper marginal portion of the unit liquid crystal display panel, and a second imaging system for producing images of a ground surface of the lower marginal portion of the unit liquid crystal display panel.