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:
Sep. 21, 2010
Filed:
May. 30, 2006
Dong Woo Kang, Gyeongsangbuk-do, KR;
Soung Yeoul Eom, Gyeongsangbuk-do, KR;
Bong Chul Kim, Daegu-si, KR;
Ki Soub Yang, Gyeongsangbuk-do, KR;
Dong Woo Kang, Gyeongsangbuk-do, KR;
Soung Yeoul Eom, Gyeongsangbuk-do, KR;
Bong Chul Kim, Daegu-si, KR;
Ki Soub Yang, Gyeongsangbuk-do, KR;
LG Display Co., Ltd., Tokyo, JP;
Abstract
The liquid crystal display (LCD) inspection apparatus for inspecting an LCD panel includes a worktable which supports the LCD panel to be seated on a front side of the worktable, probe units which are electrically connected to the LCD panel, a backlight unit which supplies light to the LCD panel, an imaging unit which photographs an image of the LCD panel supported by the worktable, a first polarizing plate which is arranged between the imaging unit and the LCD panel to polarize the light, a second polarizing plate which is arranged between the LCD panel and the backlight unit to polarize the light, an illumination unit which emits illumination light to surfaces of the LCD panel, and an image processor which receives the image photographed by the imaging unit, and extracts defect information from the received image.