Invention Grant
- Patent Title: Apparatus and method for inspecting liquid crystal display
- Patent Title (中): 液晶显示器检测装置及方法
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Application No.: US11442144Application Date: 2006-05-30
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Publication No.: US07800568B2Publication Date: 2010-09-21
- Inventor: Dong Woo Kang , Soung Yeoul Eom , Bong Chul Kim , Ki Soub Yang
- Applicant: Dong Woo Kang , Soung Yeoul Eom , Bong Chul Kim , Ki Soub Yang
- Applicant Address: JP Tokyo
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2005-0080042 20050830
- Main IPC: G09G3/36
- IPC: G09G3/36

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.
Public/Granted literature
- US20070046318A1 Apparatus and method for inspecting liquid crystal display Public/Granted day:2007-03-01
Information query
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