发明申请
- 专利标题: Method and apparatus for testing liquid crystal display
- 专利标题(中): 液晶显示器测试方法及装置
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申请号: US11443113申请日: 2006-05-31
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公开(公告)号: US20070046320A1公开(公告)日: 2007-03-01
- 发明人: Dong Kang , Soung Eom , Bong Kim , Ki Yang
- 申请人: Dong Kang , Soung Eom , Bong Kim , Ki Yang
- 申请人地址: KR Seoul
- 专利权人: LG.PHILIPS LCD CO., LTD.
- 当前专利权人: LG.PHILIPS LCD CO., LTD.
- 当前专利权人地址: KR Seoul
- 优先权: KR10-2005-0080040 20050830
- 主分类号: G01R31/00
- IPC分类号: G01R31/00
摘要:
An LCD test method and apparatus for reducing the number of channels of a probe unit is provided. An apparatus for testing a liquid crystal display including: a stage on which a liquid crystal panel is placed; a plurality of vertically divided blocks, wherein each of the vertically divided blocks include a plurality of adjacent data lines; a data probe unit that provides test pattern signals respectively to groups of at least two of the plurality of vertically divided blocks of the liquid crystal panel; a plurality of horizontally divided blocks, wherein each of the horizontally divided blocks include a plurality of adjacent gate lines; a gate probe unit that provides scanning signals respectively to the plurality of horizontally divided blocks of the liquid crystal panel; and a controller that provides test pattern signals to the data probe unit and provides scanning signals to the gate probe unit.
公开/授权文献
- US07486102B2 Method and apparatus for testing liquid crystal display 公开/授权日:2009-02-03