发明授权
- 专利标题: Apparatus and method for inspecting liquid crystal display
- 专利标题(中): 液晶显示器检测装置及方法
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申请号: US11442144申请日: 2006-05-30
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公开(公告)号: US07800568B2公开(公告)日: 2010-09-21
- 发明人: Dong Woo Kang , Soung Yeoul Eom , Bong Chul Kim , Ki Soub Yang
- 申请人: Dong Woo Kang , Soung Yeoul Eom , Bong Chul Kim , Ki Soub Yang
- 申请人地址: JP Tokyo
- 专利权人: LG Display Co., Ltd.
- 当前专利权人: LG Display Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Morgan, Lewis & Bockius LLP
- 优先权: KR10-2005-0080042 20050830
- 主分类号: G09G3/36
- IPC分类号: G09G3/36
摘要:
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.
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